Switch remote deploy to vendored source builds

Move remote deployment to a vendored source bundle built on the target host via Docker so redeploys no longer require local cross-compilation or host Go installation.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
This commit is contained in:
GitHub Actions
2026-05-08 12:19:18 +08:00
parent bb27566e38
commit c1a0fe2949
1320 changed files with 497125 additions and 11 deletions

38
vendor/github.com/samber/lo/.gitignore generated vendored Normal file
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# Created by https://www.toptal.com/developers/gitignore/api/go
# Edit at https://www.toptal.com/developers/gitignore?templates=go
### Go ###
# If you prefer the allow list template instead of the deny list, see community template:
# https://github.com/github/gitignore/blob/main/community/Golang/Go.AllowList.gitignore
#
# Binaries for programs and plugins
*.exe
*.exe~
*.dll
*.so
*.dylib
# Test binary, built with `go test -c`
*.test
# Output of the go coverage tool, specifically when used with LiteIDE
*.out
# Dependency directories (remove the comment below to include it)
# vendor/
# Go workspace file
go.work
### Go Patch ###
/vendor/
/Godeps/
# End of https://www.toptal.com/developers/gitignore/api/go
cover.out
cover.html
.vscode
.idea/

8
vendor/github.com/samber/lo/Dockerfile generated vendored Normal file
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FROM golang:1.23.1
WORKDIR /go/src/github.com/samber/lo
COPY Makefile go.* ./
RUN make tools

21
vendor/github.com/samber/lo/LICENSE generated vendored Normal file
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MIT License
Copyright (c) 2022-2025 Samuel Berthe
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

42
vendor/github.com/samber/lo/Makefile generated vendored Normal file
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build:
go build -v ./...
test:
go test -race -v ./...
watch-test:
reflex -t 50ms -s -- sh -c 'gotest -race -v ./...'
bench:
go test -benchmem -count 3 -bench ./...
watch-bench:
reflex -t 50ms -s -- sh -c 'go test -benchmem -count 3 -bench ./...'
coverage:
go test -v -coverprofile=cover.out -covermode=atomic ./...
go tool cover -html=cover.out -o cover.html
# tools
tools:
go install github.com/cespare/reflex@latest
go install github.com/rakyll/gotest@latest
go install github.com/psampaz/go-mod-outdated@latest
go install github.com/jondot/goweight@latest
go install github.com/golangci/golangci-lint/cmd/golangci-lint@latest
go get -t -u golang.org/x/tools/cmd/cover
go install github.com/sonatype-nexus-community/nancy@latest
go mod tidy
lint:
golangci-lint run --timeout 60s --max-same-issues 50 ./...
lint-fix:
golangci-lint run --timeout 60s --max-same-issues 50 --fix ./...
audit: tools
go list -json -m all | nancy sleuth
outdated: tools
go list -u -m -json all | go-mod-outdated -update -direct
weight: tools
goweight

4036
vendor/github.com/samber/lo/README.md generated vendored Normal file

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314
vendor/github.com/samber/lo/channel.go generated vendored Normal file
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package lo
import (
"context"
"sync"
"time"
"github.com/samber/lo/internal/rand"
)
type DispatchingStrategy[T any] func(msg T, index uint64, channels []<-chan T) int
// ChannelDispatcher distributes messages from input channels into N child channels.
// Close events are propagated to children.
// Underlying channels can have a fixed buffer capacity or be unbuffered when cap is 0.
func ChannelDispatcher[T any](stream <-chan T, count int, channelBufferCap int, strategy DispatchingStrategy[T]) []<-chan T {
children := createChannels[T](count, channelBufferCap)
roChildren := channelsToReadOnly(children)
go func() {
// propagate channel closing to children
defer closeChannels(children)
var i uint64 = 0
for {
msg, ok := <-stream
if !ok {
return
}
destination := strategy(msg, i, roChildren) % count
children[destination] <- msg
i++
}
}()
return roChildren
}
func createChannels[T any](count int, channelBufferCap int) []chan T {
children := make([]chan T, 0, count)
for i := 0; i < count; i++ {
children = append(children, make(chan T, channelBufferCap))
}
return children
}
func channelsToReadOnly[T any](children []chan T) []<-chan T {
roChildren := make([]<-chan T, 0, len(children))
for i := range children {
roChildren = append(roChildren, children[i])
}
return roChildren
}
func closeChannels[T any](children []chan T) {
for i := 0; i < len(children); i++ {
close(children[i])
}
}
func channelIsNotFull[T any](ch <-chan T) bool {
return cap(ch) == 0 || len(ch) < cap(ch)
}
// DispatchingStrategyRoundRobin distributes messages in a rotating sequential manner.
// If the channel capacity is exceeded, the next channel will be selected and so on.
func DispatchingStrategyRoundRobin[T any](msg T, index uint64, channels []<-chan T) int {
for {
i := int(index % uint64(len(channels)))
if channelIsNotFull(channels[i]) {
return i
}
index++
time.Sleep(10 * time.Microsecond) // prevent CPU from burning 🔥
}
}
// DispatchingStrategyRandom distributes messages in a random manner.
// If the channel capacity is exceeded, another random channel will be selected and so on.
func DispatchingStrategyRandom[T any](msg T, index uint64, channels []<-chan T) int {
for {
i := rand.IntN(len(channels))
if channelIsNotFull(channels[i]) {
return i
}
time.Sleep(10 * time.Microsecond) // prevent CPU from burning 🔥
}
}
// DispatchingStrategyWeightedRandom distributes messages in a weighted manner.
// If the channel capacity is exceeded, another random channel will be selected and so on.
func DispatchingStrategyWeightedRandom[T any](weights []int) DispatchingStrategy[T] {
seq := []int{}
for i := 0; i < len(weights); i++ {
for j := 0; j < weights[i]; j++ {
seq = append(seq, i)
}
}
return func(msg T, index uint64, channels []<-chan T) int {
for {
i := seq[rand.IntN(len(seq))]
if channelIsNotFull(channels[i]) {
return i
}
time.Sleep(10 * time.Microsecond) // prevent CPU from burning 🔥
}
}
}
// DispatchingStrategyFirst distributes messages in the first non-full channel.
// If the capacity of the first channel is exceeded, the second channel will be selected and so on.
func DispatchingStrategyFirst[T any](msg T, index uint64, channels []<-chan T) int {
for {
for i := range channels {
if channelIsNotFull(channels[i]) {
return i
}
}
time.Sleep(10 * time.Microsecond) // prevent CPU from burning 🔥
}
}
// DispatchingStrategyLeast distributes messages in the emptiest channel.
func DispatchingStrategyLeast[T any](msg T, index uint64, channels []<-chan T) int {
seq := Range(len(channels))
return MinBy(seq, func(item int, min int) bool {
return len(channels[item]) < len(channels[min])
})
}
// DispatchingStrategyMost distributes messages in the fullest channel.
// If the channel capacity is exceeded, the next channel will be selected and so on.
func DispatchingStrategyMost[T any](msg T, index uint64, channels []<-chan T) int {
seq := Range(len(channels))
return MaxBy(seq, func(item int, max int) bool {
return len(channels[item]) > len(channels[max]) && channelIsNotFull(channels[item])
})
}
// SliceToChannel returns a read-only channels of collection elements.
func SliceToChannel[T any](bufferSize int, collection []T) <-chan T {
ch := make(chan T, bufferSize)
go func() {
for i := range collection {
ch <- collection[i]
}
close(ch)
}()
return ch
}
// ChannelToSlice returns a slice built from channels items. Blocks until channel closes.
func ChannelToSlice[T any](ch <-chan T) []T {
collection := []T{}
for item := range ch {
collection = append(collection, item)
}
return collection
}
// Generator implements the generator design pattern.
func Generator[T any](bufferSize int, generator func(yield func(T))) <-chan T {
ch := make(chan T, bufferSize)
go func() {
// WARNING: infinite loop
generator(func(t T) {
ch <- t
})
close(ch)
}()
return ch
}
// Buffer creates a slice of n elements from a channel. Returns the slice and the slice length.
// @TODO: we should probably provide an helper that reuse the same buffer.
func Buffer[T any](ch <-chan T, size int) (collection []T, length int, readTime time.Duration, ok bool) {
buffer := make([]T, 0, size)
index := 0
now := time.Now()
for ; index < size; index++ {
item, ok := <-ch
if !ok {
return buffer, index, time.Since(now), false
}
buffer = append(buffer, item)
}
return buffer, index, time.Since(now), true
}
// Batch creates a slice of n elements from a channel. Returns the slice and the slice length.
//
// Deprecated: Use [Buffer] instead.
func Batch[T any](ch <-chan T, size int) (collection []T, length int, readTime time.Duration, ok bool) {
return Buffer(ch, size)
}
// BufferWithContext creates a slice of n elements from a channel, with context. Returns the slice and the slice length.
// @TODO: we should probably provide an helper that reuse the same buffer.
func BufferWithContext[T any](ctx context.Context, ch <-chan T, size int) (collection []T, length int, readTime time.Duration, ok bool) {
buffer := make([]T, 0, size)
now := time.Now()
for index := 0; index < size; index++ {
select {
case item, ok := <-ch:
if !ok {
return buffer, index, time.Since(now), false
}
buffer = append(buffer, item)
case <-ctx.Done():
return buffer, index, time.Since(now), true
}
}
return buffer, size, time.Since(now), true
}
// BufferWithTimeout creates a slice of n elements from a channel, with timeout. Returns the slice and the slice length.
func BufferWithTimeout[T any](ch <-chan T, size int, timeout time.Duration) (collection []T, length int, readTime time.Duration, ok bool) {
ctx, cancel := context.WithTimeout(context.Background(), timeout)
defer cancel()
return BufferWithContext(ctx, ch, size)
}
// BatchWithTimeout creates a slice of n elements from a channel, with timeout. Returns the slice and the slice length.
//
// Deprecated: Use [BufferWithTimeout] instead.
func BatchWithTimeout[T any](ch <-chan T, size int, timeout time.Duration) (collection []T, length int, readTime time.Duration, ok bool) {
return BufferWithTimeout(ch, size, timeout)
}
// FanIn collects messages from multiple input channels into a single buffered channel.
// Output messages has no priority. When all upstream channels reach EOF, downstream channel closes.
func FanIn[T any](channelBufferCap int, upstreams ...<-chan T) <-chan T {
out := make(chan T, channelBufferCap)
var wg sync.WaitGroup
// Start an output goroutine for each input channel in upstreams.
wg.Add(len(upstreams))
for i := range upstreams {
go func(index int) {
for n := range upstreams[index] {
out <- n
}
wg.Done()
}(i)
}
// Start a goroutine to close out once all the output goroutines are done.
go func() {
wg.Wait()
close(out)
}()
return out
}
// ChannelMerge collects messages from multiple input channels into a single buffered channel.
// Output messages has no priority. When all upstream channels reach EOF, downstream channel closes.
//
// Deprecated: Use [FanIn] instead.
func ChannelMerge[T any](channelBufferCap int, upstreams ...<-chan T) <-chan T {
return FanIn(channelBufferCap, upstreams...)
}
// FanOut broadcasts all the upstream messages to multiple downstream channels.
// When upstream channel reach EOF, downstream channels close. If any downstream
// channels is full, broadcasting is paused.
func FanOut[T any](count int, channelsBufferCap int, upstream <-chan T) []<-chan T {
downstreams := createChannels[T](count, channelsBufferCap)
go func() {
for msg := range upstream {
for i := range downstreams {
downstreams[i] <- msg
}
}
// Close out once all the output goroutines are done.
for i := range downstreams {
close(downstreams[i])
}
}()
return channelsToReadOnly(downstreams)
}

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vendor/github.com/samber/lo/concurrency.go generated vendored Normal file
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package lo
import (
"context"
"sync"
"time"
)
type synchronize struct {
locker sync.Locker
}
func (s *synchronize) Do(cb func()) {
s.locker.Lock()
Try0(cb)
s.locker.Unlock()
}
// Synchronize wraps the underlying callback in a mutex. It receives an optional mutex.
func Synchronize(opt ...sync.Locker) *synchronize {
if len(opt) > 1 {
panic("unexpected arguments")
} else if len(opt) == 0 {
opt = append(opt, &sync.Mutex{})
}
return &synchronize{
locker: opt[0],
}
}
// Async executes a function in a goroutine and returns the result in a channel.
func Async[A any](f func() A) <-chan A {
ch := make(chan A, 1)
go func() {
ch <- f()
}()
return ch
}
// Async0 executes a function in a goroutine and returns a channel set once the function finishes.
func Async0(f func()) <-chan struct{} {
ch := make(chan struct{}, 1)
go func() {
f()
ch <- struct{}{}
}()
return ch
}
// Async1 is an alias to Async.
func Async1[A any](f func() A) <-chan A {
return Async(f)
}
// Async2 has the same behavior as Async, but returns the 2 results as a tuple inside the channel.
func Async2[A, B any](f func() (A, B)) <-chan Tuple2[A, B] {
ch := make(chan Tuple2[A, B], 1)
go func() {
ch <- T2(f())
}()
return ch
}
// Async3 has the same behavior as Async, but returns the 3 results as a tuple inside the channel.
func Async3[A, B, C any](f func() (A, B, C)) <-chan Tuple3[A, B, C] {
ch := make(chan Tuple3[A, B, C], 1)
go func() {
ch <- T3(f())
}()
return ch
}
// Async4 has the same behavior as Async, but returns the 4 results as a tuple inside the channel.
func Async4[A, B, C, D any](f func() (A, B, C, D)) <-chan Tuple4[A, B, C, D] {
ch := make(chan Tuple4[A, B, C, D], 1)
go func() {
ch <- T4(f())
}()
return ch
}
// Async5 has the same behavior as Async, but returns the 5 results as a tuple inside the channel.
func Async5[A, B, C, D, E any](f func() (A, B, C, D, E)) <-chan Tuple5[A, B, C, D, E] {
ch := make(chan Tuple5[A, B, C, D, E], 1)
go func() {
ch <- T5(f())
}()
return ch
}
// Async6 has the same behavior as Async, but returns the 6 results as a tuple inside the channel.
func Async6[A, B, C, D, E, F any](f func() (A, B, C, D, E, F)) <-chan Tuple6[A, B, C, D, E, F] {
ch := make(chan Tuple6[A, B, C, D, E, F], 1)
go func() {
ch <- T6(f())
}()
return ch
}
// WaitFor runs periodically until a condition is validated.
func WaitFor(condition func(i int) bool, timeout time.Duration, heartbeatDelay time.Duration) (totalIterations int, elapsed time.Duration, conditionFound bool) {
conditionWithContext := func(_ context.Context, currentIteration int) bool {
return condition(currentIteration)
}
return WaitForWithContext(context.Background(), conditionWithContext, timeout, heartbeatDelay)
}
// WaitForWithContext runs periodically until a condition is validated or context is canceled.
func WaitForWithContext(ctx context.Context, condition func(ctx context.Context, currentIteration int) bool, timeout time.Duration, heartbeatDelay time.Duration) (totalIterations int, elapsed time.Duration, conditionFound bool) {
start := time.Now()
if ctx.Err() != nil {
return totalIterations, time.Since(start), false
}
ctx, cleanCtx := context.WithTimeout(ctx, timeout)
ticker := time.NewTicker(heartbeatDelay)
defer func() {
cleanCtx()
ticker.Stop()
}()
for {
select {
case <-ctx.Done():
return totalIterations, time.Since(start), false
case <-ticker.C:
totalIterations++
if condition(ctx, totalIterations-1) {
return totalIterations, time.Since(start), true
}
}
}
}

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vendor/github.com/samber/lo/condition.go generated vendored Normal file
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package lo
// Ternary is a 1 line if/else statement.
// Play: https://go.dev/play/p/t-D7WBL44h2
func Ternary[T any](condition bool, ifOutput T, elseOutput T) T {
if condition {
return ifOutput
}
return elseOutput
}
// TernaryF is a 1 line if/else statement whose options are functions
// Play: https://go.dev/play/p/AO4VW20JoqM
func TernaryF[T any](condition bool, ifFunc func() T, elseFunc func() T) T {
if condition {
return ifFunc()
}
return elseFunc()
}
type ifElse[T any] struct {
result T
done bool
}
// If.
// Play: https://go.dev/play/p/WSw3ApMxhyW
func If[T any](condition bool, result T) *ifElse[T] {
if condition {
return &ifElse[T]{result, true}
}
var t T
return &ifElse[T]{t, false}
}
// IfF.
// Play: https://go.dev/play/p/WSw3ApMxhyW
func IfF[T any](condition bool, resultF func() T) *ifElse[T] {
if condition {
return &ifElse[T]{resultF(), true}
}
var t T
return &ifElse[T]{t, false}
}
// ElseIf.
// Play: https://go.dev/play/p/WSw3ApMxhyW
func (i *ifElse[T]) ElseIf(condition bool, result T) *ifElse[T] {
if !i.done && condition {
i.result = result
i.done = true
}
return i
}
// ElseIfF.
// Play: https://go.dev/play/p/WSw3ApMxhyW
func (i *ifElse[T]) ElseIfF(condition bool, resultF func() T) *ifElse[T] {
if !i.done && condition {
i.result = resultF()
i.done = true
}
return i
}
// Else.
// Play: https://go.dev/play/p/WSw3ApMxhyW
func (i *ifElse[T]) Else(result T) T {
if i.done {
return i.result
}
return result
}
// ElseF.
// Play: https://go.dev/play/p/WSw3ApMxhyW
func (i *ifElse[T]) ElseF(resultF func() T) T {
if i.done {
return i.result
}
return resultF()
}
type switchCase[T comparable, R any] struct {
predicate T
result R
done bool
}
// Switch is a pure functional switch/case/default statement.
// Play: https://go.dev/play/p/TGbKUMAeRUd
func Switch[T comparable, R any](predicate T) *switchCase[T, R] {
var result R
return &switchCase[T, R]{
predicate,
result,
false,
}
}
// Case.
// Play: https://go.dev/play/p/TGbKUMAeRUd
func (s *switchCase[T, R]) Case(val T, result R) *switchCase[T, R] {
if !s.done && s.predicate == val {
s.result = result
s.done = true
}
return s
}
// CaseF.
// Play: https://go.dev/play/p/TGbKUMAeRUd
func (s *switchCase[T, R]) CaseF(val T, cb func() R) *switchCase[T, R] {
if !s.done && s.predicate == val {
s.result = cb()
s.done = true
}
return s
}
// Default.
// Play: https://go.dev/play/p/TGbKUMAeRUd
func (s *switchCase[T, R]) Default(result R) R {
if !s.done {
s.result = result
}
return s.result
}
// DefaultF.
// Play: https://go.dev/play/p/TGbKUMAeRUd
func (s *switchCase[T, R]) DefaultF(cb func() R) R {
if !s.done {
s.result = cb()
}
return s.result
}

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vendor/github.com/samber/lo/constraints.go generated vendored Normal file
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package lo
// Clonable defines a constraint of types having Clone() T method.
type Clonable[T any] interface {
Clone() T
}

354
vendor/github.com/samber/lo/errors.go generated vendored Normal file
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package lo
import (
"errors"
"fmt"
"reflect"
)
// Validate is a helper that creates an error when a condition is not met.
// Play: https://go.dev/play/p/vPyh51XpCBt
func Validate(ok bool, format string, args ...any) error {
if !ok {
return fmt.Errorf(format, args...)
}
return nil
}
func messageFromMsgAndArgs(msgAndArgs ...any) string {
if len(msgAndArgs) == 1 {
if msgAsStr, ok := msgAndArgs[0].(string); ok {
return msgAsStr
}
return fmt.Sprintf("%+v", msgAndArgs[0])
}
if len(msgAndArgs) > 1 {
return fmt.Sprintf(msgAndArgs[0].(string), msgAndArgs[1:]...)
}
return ""
}
// must panics if err is error or false.
func must(err any, messageArgs ...any) {
if err == nil {
return
}
switch e := err.(type) {
case bool:
if !e {
message := messageFromMsgAndArgs(messageArgs...)
if message == "" {
message = "not ok"
}
panic(message)
}
case error:
message := messageFromMsgAndArgs(messageArgs...)
if message != "" {
panic(message + ": " + e.Error())
} else {
panic(e.Error())
}
default:
panic("must: invalid err type '" + reflect.TypeOf(err).Name() + "', should either be a bool or an error")
}
}
// Must is a helper that wraps a call to a function returning a value and an error
// and panics if err is error or false.
// Play: https://go.dev/play/p/TMoWrRp3DyC
func Must[T any](val T, err any, messageArgs ...any) T {
must(err, messageArgs...)
return val
}
// Must0 has the same behavior as Must, but callback returns no variable.
// Play: https://go.dev/play/p/TMoWrRp3DyC
func Must0(err any, messageArgs ...any) {
must(err, messageArgs...)
}
// Must1 is an alias to Must
// Play: https://go.dev/play/p/TMoWrRp3DyC
func Must1[T any](val T, err any, messageArgs ...any) T {
return Must(val, err, messageArgs...)
}
// Must2 has the same behavior as Must, but callback returns 2 variables.
// Play: https://go.dev/play/p/TMoWrRp3DyC
func Must2[T1, T2 any](val1 T1, val2 T2, err any, messageArgs ...any) (T1, T2) {
must(err, messageArgs...)
return val1, val2
}
// Must3 has the same behavior as Must, but callback returns 3 variables.
// Play: https://go.dev/play/p/TMoWrRp3DyC
func Must3[T1, T2, T3 any](val1 T1, val2 T2, val3 T3, err any, messageArgs ...any) (T1, T2, T3) {
must(err, messageArgs...)
return val1, val2, val3
}
// Must4 has the same behavior as Must, but callback returns 4 variables.
// Play: https://go.dev/play/p/TMoWrRp3DyC
func Must4[T1, T2, T3, T4 any](val1 T1, val2 T2, val3 T3, val4 T4, err any, messageArgs ...any) (T1, T2, T3, T4) {
must(err, messageArgs...)
return val1, val2, val3, val4
}
// Must5 has the same behavior as Must, but callback returns 5 variables.
// Play: https://go.dev/play/p/TMoWrRp3DyC
func Must5[T1, T2, T3, T4, T5 any](val1 T1, val2 T2, val3 T3, val4 T4, val5 T5, err any, messageArgs ...any) (T1, T2, T3, T4, T5) {
must(err, messageArgs...)
return val1, val2, val3, val4, val5
}
// Must6 has the same behavior as Must, but callback returns 6 variables.
// Play: https://go.dev/play/p/TMoWrRp3DyC
func Must6[T1, T2, T3, T4, T5, T6 any](val1 T1, val2 T2, val3 T3, val4 T4, val5 T5, val6 T6, err any, messageArgs ...any) (T1, T2, T3, T4, T5, T6) {
must(err, messageArgs...)
return val1, val2, val3, val4, val5, val6
}
// Try calls the function and return false in case of error.
func Try(callback func() error) (ok bool) {
ok = true
defer func() {
if r := recover(); r != nil {
ok = false
}
}()
err := callback()
if err != nil {
ok = false
}
return
}
// Try0 has the same behavior as Try, but callback returns no variable.
// Play: https://go.dev/play/p/mTyyWUvn9u4
func Try0(callback func()) bool {
return Try(func() error {
callback()
return nil
})
}
// Try1 is an alias to Try.
// Play: https://go.dev/play/p/mTyyWUvn9u4
func Try1(callback func() error) bool {
return Try(callback)
}
// Try2 has the same behavior as Try, but callback returns 2 variables.
// Play: https://go.dev/play/p/mTyyWUvn9u4
func Try2[T any](callback func() (T, error)) bool {
return Try(func() error {
_, err := callback()
return err
})
}
// Try3 has the same behavior as Try, but callback returns 3 variables.
// Play: https://go.dev/play/p/mTyyWUvn9u4
func Try3[T, R any](callback func() (T, R, error)) bool {
return Try(func() error {
_, _, err := callback()
return err
})
}
// Try4 has the same behavior as Try, but callback returns 4 variables.
// Play: https://go.dev/play/p/mTyyWUvn9u4
func Try4[T, R, S any](callback func() (T, R, S, error)) bool {
return Try(func() error {
_, _, _, err := callback()
return err
})
}
// Try5 has the same behavior as Try, but callback returns 5 variables.
// Play: https://go.dev/play/p/mTyyWUvn9u4
func Try5[T, R, S, Q any](callback func() (T, R, S, Q, error)) bool {
return Try(func() error {
_, _, _, _, err := callback()
return err
})
}
// Try6 has the same behavior as Try, but callback returns 6 variables.
// Play: https://go.dev/play/p/mTyyWUvn9u4
func Try6[T, R, S, Q, U any](callback func() (T, R, S, Q, U, error)) bool {
return Try(func() error {
_, _, _, _, _, err := callback()
return err
})
}
// TryOr has the same behavior as Must, but returns a default value in case of error.
// Play: https://go.dev/play/p/B4F7Wg2Zh9X
func TryOr[A any](callback func() (A, error), fallbackA A) (A, bool) {
return TryOr1(callback, fallbackA)
}
// TryOr1 has the same behavior as Must, but returns a default value in case of error.
// Play: https://go.dev/play/p/B4F7Wg2Zh9X
func TryOr1[A any](callback func() (A, error), fallbackA A) (A, bool) {
ok := false
Try0(func() {
a, err := callback()
if err == nil {
fallbackA = a
ok = true
}
})
return fallbackA, ok
}
// TryOr2 has the same behavior as Must, but returns a default value in case of error.
// Play: https://go.dev/play/p/B4F7Wg2Zh9X
func TryOr2[A, B any](callback func() (A, B, error), fallbackA A, fallbackB B) (A, B, bool) {
ok := false
Try0(func() {
a, b, err := callback()
if err == nil {
fallbackA = a
fallbackB = b
ok = true
}
})
return fallbackA, fallbackB, ok
}
// TryOr3 has the same behavior as Must, but returns a default value in case of error.
// Play: https://go.dev/play/p/B4F7Wg2Zh9X
func TryOr3[A, B, C any](callback func() (A, B, C, error), fallbackA A, fallbackB B, fallbackC C) (A, B, C, bool) {
ok := false
Try0(func() {
a, b, c, err := callback()
if err == nil {
fallbackA = a
fallbackB = b
fallbackC = c
ok = true
}
})
return fallbackA, fallbackB, fallbackC, ok
}
// TryOr4 has the same behavior as Must, but returns a default value in case of error.
// Play: https://go.dev/play/p/B4F7Wg2Zh9X
func TryOr4[A, B, C, D any](callback func() (A, B, C, D, error), fallbackA A, fallbackB B, fallbackC C, fallbackD D) (A, B, C, D, bool) {
ok := false
Try0(func() {
a, b, c, d, err := callback()
if err == nil {
fallbackA = a
fallbackB = b
fallbackC = c
fallbackD = d
ok = true
}
})
return fallbackA, fallbackB, fallbackC, fallbackD, ok
}
// TryOr5 has the same behavior as Must, but returns a default value in case of error.
// Play: https://go.dev/play/p/B4F7Wg2Zh9X
func TryOr5[A, B, C, D, E any](callback func() (A, B, C, D, E, error), fallbackA A, fallbackB B, fallbackC C, fallbackD D, fallbackE E) (A, B, C, D, E, bool) {
ok := false
Try0(func() {
a, b, c, d, e, err := callback()
if err == nil {
fallbackA = a
fallbackB = b
fallbackC = c
fallbackD = d
fallbackE = e
ok = true
}
})
return fallbackA, fallbackB, fallbackC, fallbackD, fallbackE, ok
}
// TryOr6 has the same behavior as Must, but returns a default value in case of error.
// Play: https://go.dev/play/p/B4F7Wg2Zh9X
func TryOr6[A, B, C, D, E, F any](callback func() (A, B, C, D, E, F, error), fallbackA A, fallbackB B, fallbackC C, fallbackD D, fallbackE E, fallbackF F) (A, B, C, D, E, F, bool) {
ok := false
Try0(func() {
a, b, c, d, e, f, err := callback()
if err == nil {
fallbackA = a
fallbackB = b
fallbackC = c
fallbackD = d
fallbackE = e
fallbackF = f
ok = true
}
})
return fallbackA, fallbackB, fallbackC, fallbackD, fallbackE, fallbackF, ok
}
// TryWithErrorValue has the same behavior as Try, but also returns value passed to panic.
// Play: https://go.dev/play/p/Kc7afQIT2Fs
func TryWithErrorValue(callback func() error) (errorValue any, ok bool) {
ok = true
defer func() {
if r := recover(); r != nil {
ok = false
errorValue = r
}
}()
err := callback()
if err != nil {
ok = false
errorValue = err
}
return
}
// TryCatch has the same behavior as Try, but calls the catch function in case of error.
// Play: https://go.dev/play/p/PnOON-EqBiU
func TryCatch(callback func() error, catch func()) {
if !Try(callback) {
catch()
}
}
// TryCatchWithErrorValue has the same behavior as TryWithErrorValue, but calls the catch function in case of error.
// Play: https://go.dev/play/p/8Pc9gwX_GZO
func TryCatchWithErrorValue(callback func() error, catch func(any)) {
if err, ok := TryWithErrorValue(callback); !ok {
catch(err)
}
}
// ErrorsAs is a shortcut for errors.As(err, &&T).
// Play: https://go.dev/play/p/8wk5rH8UfrE
func ErrorsAs[T error](err error) (T, bool) {
var t T
ok := errors.As(err, &t)
return t, ok
}

628
vendor/github.com/samber/lo/find.go generated vendored Normal file
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package lo
import (
"fmt"
"time"
"github.com/samber/lo/internal/constraints"
"github.com/samber/lo/internal/rand"
)
// IndexOf returns the index at which the first occurrence of a value is found in an array or return -1
// if the value cannot be found.
func IndexOf[T comparable](collection []T, element T) int {
for i := range collection {
if collection[i] == element {
return i
}
}
return -1
}
// LastIndexOf returns the index at which the last occurrence of a value is found in an array or return -1
// if the value cannot be found.
func LastIndexOf[T comparable](collection []T, element T) int {
length := len(collection)
for i := length - 1; i >= 0; i-- {
if collection[i] == element {
return i
}
}
return -1
}
// Find search an element in a slice based on a predicate. It returns element and true if element was found.
func Find[T any](collection []T, predicate func(item T) bool) (T, bool) {
for i := range collection {
if predicate(collection[i]) {
return collection[i], true
}
}
var result T
return result, false
}
// FindIndexOf searches an element in a slice based on a predicate and returns the index and true.
// It returns -1 and false if the element is not found.
func FindIndexOf[T any](collection []T, predicate func(item T) bool) (T, int, bool) {
for i := range collection {
if predicate(collection[i]) {
return collection[i], i, true
}
}
var result T
return result, -1, false
}
// FindLastIndexOf searches last element in a slice based on a predicate and returns the index and true.
// It returns -1 and false if the element is not found.
func FindLastIndexOf[T any](collection []T, predicate func(item T) bool) (T, int, bool) {
length := len(collection)
for i := length - 1; i >= 0; i-- {
if predicate(collection[i]) {
return collection[i], i, true
}
}
var result T
return result, -1, false
}
// FindOrElse search an element in a slice based on a predicate. It returns the element if found or a given fallback value otherwise.
func FindOrElse[T any](collection []T, fallback T, predicate func(item T) bool) T {
for i := range collection {
if predicate(collection[i]) {
return collection[i]
}
}
return fallback
}
// FindKey returns the key of the first value matching.
func FindKey[K comparable, V comparable](object map[K]V, value V) (K, bool) {
for k := range object {
if object[k] == value {
return k, true
}
}
return Empty[K](), false
}
// FindKeyBy returns the key of the first element predicate returns truthy for.
func FindKeyBy[K comparable, V any](object map[K]V, predicate func(key K, value V) bool) (K, bool) {
for k := range object {
if predicate(k, object[k]) {
return k, true
}
}
return Empty[K](), false
}
// FindUniques returns a slice with all the unique elements of the collection.
// The order of result values is determined by the order they occur in the collection.
func FindUniques[T comparable, Slice ~[]T](collection Slice) Slice {
isDupl := make(map[T]bool, len(collection))
for i := range collection {
duplicated, ok := isDupl[collection[i]]
if !ok {
isDupl[collection[i]] = false
} else if !duplicated {
isDupl[collection[i]] = true
}
}
result := make(Slice, 0, len(collection)-len(isDupl))
for i := range collection {
if duplicated := isDupl[collection[i]]; !duplicated {
result = append(result, collection[i])
}
}
return result
}
// FindUniquesBy returns a slice with all the unique elements of the collection.
// The order of result values is determined by the order they occur in the array. It accepts `iteratee` which is
// invoked for each element in array to generate the criterion by which uniqueness is computed.
func FindUniquesBy[T any, U comparable, Slice ~[]T](collection Slice, iteratee func(item T) U) Slice {
isDupl := make(map[U]bool, len(collection))
for i := range collection {
key := iteratee(collection[i])
duplicated, ok := isDupl[key]
if !ok {
isDupl[key] = false
} else if !duplicated {
isDupl[key] = true
}
}
result := make(Slice, 0, len(collection)-len(isDupl))
for i := range collection {
key := iteratee(collection[i])
if duplicated := isDupl[key]; !duplicated {
result = append(result, collection[i])
}
}
return result
}
// FindDuplicates returns a slice with the first occurrence of each duplicated elements of the collection.
// The order of result values is determined by the order they occur in the collection.
func FindDuplicates[T comparable, Slice ~[]T](collection Slice) Slice {
isDupl := make(map[T]bool, len(collection))
for i := range collection {
duplicated, ok := isDupl[collection[i]]
if !ok {
isDupl[collection[i]] = false
} else if !duplicated {
isDupl[collection[i]] = true
}
}
result := make(Slice, 0, len(collection)-len(isDupl))
for i := range collection {
if duplicated := isDupl[collection[i]]; duplicated {
result = append(result, collection[i])
isDupl[collection[i]] = false
}
}
return result
}
// FindDuplicatesBy returns a slice with the first occurrence of each duplicated elements of the collection.
// The order of result values is determined by the order they occur in the array. It accepts `iteratee` which is
// invoked for each element in array to generate the criterion by which uniqueness is computed.
func FindDuplicatesBy[T any, U comparable, Slice ~[]T](collection Slice, iteratee func(item T) U) Slice {
isDupl := make(map[U]bool, len(collection))
for i := range collection {
key := iteratee(collection[i])
duplicated, ok := isDupl[key]
if !ok {
isDupl[key] = false
} else if !duplicated {
isDupl[key] = true
}
}
result := make(Slice, 0, len(collection)-len(isDupl))
for i := range collection {
key := iteratee(collection[i])
if duplicated := isDupl[key]; duplicated {
result = append(result, collection[i])
isDupl[key] = false
}
}
return result
}
// Min search the minimum value of a collection.
// Returns zero value when the collection is empty.
func Min[T constraints.Ordered](collection []T) T {
var min T
if len(collection) == 0 {
return min
}
min = collection[0]
for i := 1; i < len(collection); i++ {
item := collection[i]
if item < min {
min = item
}
}
return min
}
// MinIndex search the minimum value of a collection and the index of the minimum value.
// Returns (zero value, -1) when the collection is empty.
func MinIndex[T constraints.Ordered](collection []T) (T, int) {
var (
min T
index int
)
if len(collection) == 0 {
return min, -1
}
min = collection[0]
for i := 1; i < len(collection); i++ {
item := collection[i]
if item < min {
min = item
index = i
}
}
return min, index
}
// MinBy search the minimum value of a collection using the given comparison function.
// If several values of the collection are equal to the smallest value, returns the first such value.
// Returns zero value when the collection is empty.
func MinBy[T any](collection []T, comparison func(a T, b T) bool) T {
var min T
if len(collection) == 0 {
return min
}
min = collection[0]
for i := 1; i < len(collection); i++ {
item := collection[i]
if comparison(item, min) {
min = item
}
}
return min
}
// MinIndexBy search the minimum value of a collection using the given comparison function and the index of the minimum value.
// If several values of the collection are equal to the smallest value, returns the first such value.
// Returns (zero value, -1) when the collection is empty.
func MinIndexBy[T any](collection []T, comparison func(a T, b T) bool) (T, int) {
var (
min T
index int
)
if len(collection) == 0 {
return min, -1
}
min = collection[0]
for i := 1; i < len(collection); i++ {
item := collection[i]
if comparison(item, min) {
min = item
index = i
}
}
return min, index
}
// Earliest search the minimum time.Time of a collection.
// Returns zero value when the collection is empty.
func Earliest(times ...time.Time) time.Time {
var min time.Time
if len(times) == 0 {
return min
}
min = times[0]
for i := 1; i < len(times); i++ {
item := times[i]
if item.Before(min) {
min = item
}
}
return min
}
// EarliestBy search the minimum time.Time of a collection using the given iteratee function.
// Returns zero value when the collection is empty.
func EarliestBy[T any](collection []T, iteratee func(item T) time.Time) T {
var earliest T
if len(collection) == 0 {
return earliest
}
earliest = collection[0]
earliestTime := iteratee(collection[0])
for i := 1; i < len(collection); i++ {
itemTime := iteratee(collection[i])
if itemTime.Before(earliestTime) {
earliest = collection[i]
earliestTime = itemTime
}
}
return earliest
}
// Max searches the maximum value of a collection.
// Returns zero value when the collection is empty.
func Max[T constraints.Ordered](collection []T) T {
var max T
if len(collection) == 0 {
return max
}
max = collection[0]
for i := 1; i < len(collection); i++ {
item := collection[i]
if item > max {
max = item
}
}
return max
}
// MaxIndex searches the maximum value of a collection and the index of the maximum value.
// Returns (zero value, -1) when the collection is empty.
func MaxIndex[T constraints.Ordered](collection []T) (T, int) {
var (
max T
index int
)
if len(collection) == 0 {
return max, -1
}
max = collection[0]
for i := 1; i < len(collection); i++ {
item := collection[i]
if item > max {
max = item
index = i
}
}
return max, index
}
// MaxBy search the maximum value of a collection using the given comparison function.
// If several values of the collection are equal to the greatest value, returns the first such value.
// Returns zero value when the collection is empty.
func MaxBy[T any](collection []T, comparison func(a T, b T) bool) T {
var max T
if len(collection) == 0 {
return max
}
max = collection[0]
for i := 1; i < len(collection); i++ {
item := collection[i]
if comparison(item, max) {
max = item
}
}
return max
}
// MaxIndexBy search the maximum value of a collection using the given comparison function and the index of the maximum value.
// If several values of the collection are equal to the greatest value, returns the first such value.
// Returns (zero value, -1) when the collection is empty.
func MaxIndexBy[T any](collection []T, comparison func(a T, b T) bool) (T, int) {
var (
max T
index int
)
if len(collection) == 0 {
return max, -1
}
max = collection[0]
for i := 1; i < len(collection); i++ {
item := collection[i]
if comparison(item, max) {
max = item
index = i
}
}
return max, index
}
// Latest search the maximum time.Time of a collection.
// Returns zero value when the collection is empty.
func Latest(times ...time.Time) time.Time {
var max time.Time
if len(times) == 0 {
return max
}
max = times[0]
for i := 1; i < len(times); i++ {
item := times[i]
if item.After(max) {
max = item
}
}
return max
}
// LatestBy search the maximum time.Time of a collection using the given iteratee function.
// Returns zero value when the collection is empty.
func LatestBy[T any](collection []T, iteratee func(item T) time.Time) T {
var latest T
if len(collection) == 0 {
return latest
}
latest = collection[0]
latestTime := iteratee(collection[0])
for i := 1; i < len(collection); i++ {
itemTime := iteratee(collection[i])
if itemTime.After(latestTime) {
latest = collection[i]
latestTime = itemTime
}
}
return latest
}
// First returns the first element of a collection and check for availability of the first element.
func First[T any](collection []T) (T, bool) {
length := len(collection)
if length == 0 {
var t T
return t, false
}
return collection[0], true
}
// FirstOrEmpty returns the first element of a collection or zero value if empty.
func FirstOrEmpty[T any](collection []T) T {
i, _ := First(collection)
return i
}
// FirstOr returns the first element of a collection or the fallback value if empty.
func FirstOr[T any](collection []T, fallback T) T {
i, ok := First(collection)
if !ok {
return fallback
}
return i
}
// Last returns the last element of a collection or error if empty.
func Last[T any](collection []T) (T, bool) {
length := len(collection)
if length == 0 {
var t T
return t, false
}
return collection[length-1], true
}
// LastOrEmpty returns the last element of a collection or zero value if empty.
func LastOrEmpty[T any](collection []T) T {
i, _ := Last(collection)
return i
}
// LastOr returns the last element of a collection or the fallback value if empty.
func LastOr[T any](collection []T, fallback T) T {
i, ok := Last(collection)
if !ok {
return fallback
}
return i
}
// Nth returns the element at index `nth` of collection. If `nth` is negative, the nth element
// from the end is returned. An error is returned when nth is out of slice bounds.
func Nth[T any, N constraints.Integer](collection []T, nth N) (T, error) {
n := int(nth)
l := len(collection)
if n >= l || -n > l {
var t T
return t, fmt.Errorf("nth: %d out of slice bounds", n)
}
if n >= 0 {
return collection[n], nil
}
return collection[l+n], nil
}
// randomIntGenerator is a function that should return a random integer in the range [0, n)
// where n is the parameter passed to the randomIntGenerator.
type randomIntGenerator func(n int) int
// Sample returns a random item from collection.
func Sample[T any](collection []T) T {
result := SampleBy(collection, rand.IntN)
return result
}
// SampleBy returns a random item from collection, using randomIntGenerator as the random index generator.
func SampleBy[T any](collection []T, randomIntGenerator randomIntGenerator) T {
size := len(collection)
if size == 0 {
return Empty[T]()
}
return collection[randomIntGenerator(size)]
}
// Samples returns N random unique items from collection.
func Samples[T any, Slice ~[]T](collection Slice, count int) Slice {
results := SamplesBy(collection, count, rand.IntN)
return results
}
// SamplesBy returns N random unique items from collection, using randomIntGenerator as the random index generator.
func SamplesBy[T any, Slice ~[]T](collection Slice, count int, randomIntGenerator randomIntGenerator) Slice {
size := len(collection)
copy := append(Slice{}, collection...)
results := Slice{}
for i := 0; i < size && i < count; i++ {
copyLength := size - i
index := randomIntGenerator(size - i)
results = append(results, copy[index])
// Removes element.
// It is faster to swap with last element and remove it.
copy[index] = copy[copyLength-1]
copy = copy[:copyLength-1]
}
return results
}

41
vendor/github.com/samber/lo/func.go generated vendored Normal file
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package lo
// Partial returns new function that, when called, has its first argument set to the provided value.
func Partial[T1, T2, R any](f func(a T1, b T2) R, arg1 T1) func(T2) R {
return func(t2 T2) R {
return f(arg1, t2)
}
}
// Partial1 returns new function that, when called, has its first argument set to the provided value.
func Partial1[T1, T2, R any](f func(T1, T2) R, arg1 T1) func(T2) R {
return Partial(f, arg1)
}
// Partial2 returns new function that, when called, has its first argument set to the provided value.
func Partial2[T1, T2, T3, R any](f func(T1, T2, T3) R, arg1 T1) func(T2, T3) R {
return func(t2 T2, t3 T3) R {
return f(arg1, t2, t3)
}
}
// Partial3 returns new function that, when called, has its first argument set to the provided value.
func Partial3[T1, T2, T3, T4, R any](f func(T1, T2, T3, T4) R, arg1 T1) func(T2, T3, T4) R {
return func(t2 T2, t3 T3, t4 T4) R {
return f(arg1, t2, t3, t4)
}
}
// Partial4 returns new function that, when called, has its first argument set to the provided value.
func Partial4[T1, T2, T3, T4, T5, R any](f func(T1, T2, T3, T4, T5) R, arg1 T1) func(T2, T3, T4, T5) R {
return func(t2 T2, t3 T3, t4 T4, t5 T5) R {
return f(arg1, t2, t3, t4, t5)
}
}
// Partial5 returns new function that, when called, has its first argument set to the provided value
func Partial5[T1, T2, T3, T4, T5, T6, R any](f func(T1, T2, T3, T4, T5, T6) R, arg1 T1) func(T2, T3, T4, T5, T6) R {
return func(t2 T2, t3 T3, t4 T4, t5 T5, t6 T6) R {
return f(arg1, t2, t3, t4, t5, t6)
}
}

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// Copyright 2021 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Package constraints defines a set of useful constraints to be used
// with type parameters.
package constraints
// Signed is a constraint that permits any signed integer type.
// If future releases of Go add new predeclared signed integer types,
// this constraint will be modified to include them.
type Signed interface {
~int | ~int8 | ~int16 | ~int32 | ~int64
}
// Unsigned is a constraint that permits any unsigned integer type.
// If future releases of Go add new predeclared unsigned integer types,
// this constraint will be modified to include them.
type Unsigned interface {
~uint | ~uint8 | ~uint16 | ~uint32 | ~uint64 | ~uintptr
}
// Integer is a constraint that permits any integer type.
// If future releases of Go add new predeclared integer types,
// this constraint will be modified to include them.
type Integer interface {
Signed | Unsigned
}
// Float is a constraint that permits any floating-point type.
// If future releases of Go add new predeclared floating-point types,
// this constraint will be modified to include them.
type Float interface {
~float32 | ~float64
}
// Complex is a constraint that permits any complex numeric type.
// If future releases of Go add new predeclared complex numeric types,
// this constraint will be modified to include them.
type Complex interface {
~complex64 | ~complex128
}

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@@ -0,0 +1,11 @@
//go:build !go1.21
package constraints
// Ordered is a constraint that permits any ordered type: any type
// that supports the operators < <= >= >.
// If future releases of Go add new ordered types,
// this constraint will be modified to include them.
type Ordered interface {
Integer | Float | ~string
}

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@@ -0,0 +1,9 @@
//go:build go1.21
package constraints
import (
"cmp"
)
type Ordered = cmp.Ordered

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@@ -0,0 +1,26 @@
//go:build !go1.22
package rand
import "math/rand"
func Shuffle(n int, swap func(i, j int)) {
rand.Shuffle(n, swap)
}
func IntN(n int) int {
// bearer:disable go_gosec_crypto_weak_random
return rand.Intn(n)
}
func Int64() int64 {
// bearer:disable go_gosec_crypto_weak_random
n := rand.Int63()
// bearer:disable go_gosec_crypto_weak_random
if rand.Intn(2) == 0 {
return -n
}
return n
}

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@@ -0,0 +1,17 @@
//go:build go1.22
package rand
import "math/rand/v2"
func Shuffle(n int, swap func(i, j int)) {
rand.Shuffle(n, swap)
}
func IntN(n int) int {
return rand.IntN(n)
}
func Int64() int64 {
return rand.Int64()
}

227
vendor/github.com/samber/lo/intersect.go generated vendored Normal file
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package lo
// Contains returns true if an element is present in a collection.
func Contains[T comparable](collection []T, element T) bool {
for i := range collection {
if collection[i] == element {
return true
}
}
return false
}
// ContainsBy returns true if predicate function return true.
func ContainsBy[T any](collection []T, predicate func(item T) bool) bool {
for i := range collection {
if predicate(collection[i]) {
return true
}
}
return false
}
// Every returns true if all elements of a subset are contained into a collection or if the subset is empty.
func Every[T comparable](collection []T, subset []T) bool {
for i := range subset {
if !Contains(collection, subset[i]) {
return false
}
}
return true
}
// EveryBy returns true if the predicate returns true for all elements in the collection or if the collection is empty.
func EveryBy[T any](collection []T, predicate func(item T) bool) bool {
for i := range collection {
if !predicate(collection[i]) {
return false
}
}
return true
}
// Some returns true if at least 1 element of a subset is contained into a collection.
// If the subset is empty Some returns false.
func Some[T comparable](collection []T, subset []T) bool {
for i := range subset {
if Contains(collection, subset[i]) {
return true
}
}
return false
}
// SomeBy returns true if the predicate returns true for any of the elements in the collection.
// If the collection is empty SomeBy returns false.
func SomeBy[T any](collection []T, predicate func(item T) bool) bool {
for i := range collection {
if predicate(collection[i]) {
return true
}
}
return false
}
// None returns true if no element of a subset are contained into a collection or if the subset is empty.
func None[T comparable](collection []T, subset []T) bool {
for i := range subset {
if Contains(collection, subset[i]) {
return false
}
}
return true
}
// NoneBy returns true if the predicate returns true for none of the elements in the collection or if the collection is empty.
func NoneBy[T any](collection []T, predicate func(item T) bool) bool {
for i := range collection {
if predicate(collection[i]) {
return false
}
}
return true
}
// Intersect returns the intersection between two collections.
func Intersect[T comparable, Slice ~[]T](list1 Slice, list2 Slice) Slice {
result := Slice{}
seen := map[T]struct{}{}
for i := range list1 {
seen[list1[i]] = struct{}{}
}
for i := range list2 {
if _, ok := seen[list2[i]]; ok {
result = append(result, list2[i])
}
}
return result
}
// Difference returns the difference between two collections.
// The first value is the collection of element absent of list2.
// The second value is the collection of element absent of list1.
func Difference[T comparable, Slice ~[]T](list1 Slice, list2 Slice) (Slice, Slice) {
left := Slice{}
right := Slice{}
seenLeft := map[T]struct{}{}
seenRight := map[T]struct{}{}
for i := range list1 {
seenLeft[list1[i]] = struct{}{}
}
for i := range list2 {
seenRight[list2[i]] = struct{}{}
}
for i := range list1 {
if _, ok := seenRight[list1[i]]; !ok {
left = append(left, list1[i])
}
}
for i := range list2 {
if _, ok := seenLeft[list2[i]]; !ok {
right = append(right, list2[i])
}
}
return left, right
}
// Union returns all distinct elements from given collections.
// result returns will not change the order of elements relatively.
func Union[T comparable, Slice ~[]T](lists ...Slice) Slice {
var capLen int
for _, list := range lists {
capLen += len(list)
}
result := make(Slice, 0, capLen)
seen := make(map[T]struct{}, capLen)
for i := range lists {
for j := range lists[i] {
if _, ok := seen[lists[i][j]]; !ok {
seen[lists[i][j]] = struct{}{}
result = append(result, lists[i][j])
}
}
}
return result
}
// Without returns slice excluding all given values.
func Without[T comparable, Slice ~[]T](collection Slice, exclude ...T) Slice {
excludeMap := make(map[T]struct{}, len(exclude))
for i := range exclude {
excludeMap[exclude[i]] = struct{}{}
}
result := make(Slice, 0, len(collection))
for i := range collection {
if _, ok := excludeMap[collection[i]]; !ok {
result = append(result, collection[i])
}
}
return result
}
// WithoutBy filters a slice by excluding elements whose extracted keys match any in the exclude list.
// It returns a new slice containing only the elements whose keys are not in the exclude list.
func WithoutBy[T any, K comparable](collection []T, iteratee func(item T) K, exclude ...K) []T {
excludeMap := make(map[K]struct{}, len(exclude))
for _, e := range exclude {
excludeMap[e] = struct{}{}
}
result := make([]T, 0, len(collection))
for _, item := range collection {
if _, ok := excludeMap[iteratee(item)]; !ok {
result = append(result, item)
}
}
return result
}
// WithoutEmpty returns slice excluding zero values.
//
// Deprecated: Use lo.Compact instead.
func WithoutEmpty[T comparable, Slice ~[]T](collection Slice) Slice {
return Compact(collection)
}
// WithoutNth returns slice excluding nth value.
func WithoutNth[T comparable, Slice ~[]T](collection Slice, nths ...int) Slice {
length := len(collection)
toRemove := make(map[int]struct{}, len(nths))
for i := range nths {
if nths[i] >= 0 && nths[i] <= length-1 {
toRemove[nths[i]] = struct{}{}
}
}
result := make(Slice, 0, len(collection))
for i := range collection {
if _, ok := toRemove[i]; !ok {
result = append(result, collection[i])
}
}
return result
}

327
vendor/github.com/samber/lo/map.go generated vendored Normal file
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package lo
// Keys creates an array of the map keys.
// Play: https://go.dev/play/p/Uu11fHASqrU
func Keys[K comparable, V any](in ...map[K]V) []K {
size := 0
for i := range in {
size += len(in[i])
}
result := make([]K, 0, size)
for i := range in {
for k := range in[i] {
result = append(result, k)
}
}
return result
}
// UniqKeys creates an array of unique keys in the map.
// Play: https://go.dev/play/p/TPKAb6ILdHk
func UniqKeys[K comparable, V any](in ...map[K]V) []K {
size := 0
for i := range in {
size += len(in[i])
}
seen := make(map[K]struct{}, size)
result := make([]K, 0)
for i := range in {
for k := range in[i] {
if _, exists := seen[k]; exists {
continue
}
seen[k] = struct{}{}
result = append(result, k)
}
}
return result
}
// HasKey returns whether the given key exists.
// Play: https://go.dev/play/p/aVwubIvECqS
func HasKey[K comparable, V any](in map[K]V, key K) bool {
_, ok := in[key]
return ok
}
// Values creates an array of the map values.
// Play: https://go.dev/play/p/nnRTQkzQfF6
func Values[K comparable, V any](in ...map[K]V) []V {
size := 0
for i := range in {
size += len(in[i])
}
result := make([]V, 0, size)
for i := range in {
for k := range in[i] {
result = append(result, in[i][k])
}
}
return result
}
// UniqValues creates an array of unique values in the map.
// Play: https://go.dev/play/p/nf6bXMh7rM3
func UniqValues[K comparable, V comparable](in ...map[K]V) []V {
size := 0
for i := range in {
size += len(in[i])
}
seen := make(map[V]struct{}, size)
result := make([]V, 0)
for i := range in {
for k := range in[i] {
val := in[i][k]
if _, exists := seen[val]; exists {
continue
}
seen[val] = struct{}{}
result = append(result, val)
}
}
return result
}
// ValueOr returns the value of the given key or the fallback value if the key is not present.
// Play: https://go.dev/play/p/bAq9mHErB4V
func ValueOr[K comparable, V any](in map[K]V, key K, fallback V) V {
if v, ok := in[key]; ok {
return v
}
return fallback
}
// PickBy returns same map type filtered by given predicate.
// Play: https://go.dev/play/p/kdg8GR_QMmf
func PickBy[K comparable, V any, Map ~map[K]V](in Map, predicate func(key K, value V) bool) Map {
r := Map{}
for k := range in {
if predicate(k, in[k]) {
r[k] = in[k]
}
}
return r
}
// PickByKeys returns same map type filtered by given keys.
// Play: https://go.dev/play/p/R1imbuci9qU
func PickByKeys[K comparable, V any, Map ~map[K]V](in Map, keys []K) Map {
r := Map{}
for i := range keys {
if v, ok := in[keys[i]]; ok {
r[keys[i]] = v
}
}
return r
}
// PickByValues returns same map type filtered by given values.
// Play: https://go.dev/play/p/1zdzSvbfsJc
func PickByValues[K comparable, V comparable, Map ~map[K]V](in Map, values []V) Map {
r := Map{}
for k := range in {
if Contains(values, in[k]) {
r[k] = in[k]
}
}
return r
}
// OmitBy returns same map type filtered by given predicate.
// Play: https://go.dev/play/p/EtBsR43bdsd
func OmitBy[K comparable, V any, Map ~map[K]V](in Map, predicate func(key K, value V) bool) Map {
r := Map{}
for k := range in {
if !predicate(k, in[k]) {
r[k] = in[k]
}
}
return r
}
// OmitByKeys returns same map type filtered by given keys.
// Play: https://go.dev/play/p/t1QjCrs-ysk
func OmitByKeys[K comparable, V any, Map ~map[K]V](in Map, keys []K) Map {
r := Map{}
for k := range in {
r[k] = in[k]
}
for i := range keys {
delete(r, keys[i])
}
return r
}
// OmitByValues returns same map type filtered by given values.
// Play: https://go.dev/play/p/9UYZi-hrs8j
func OmitByValues[K comparable, V comparable, Map ~map[K]V](in Map, values []V) Map {
r := Map{}
for k := range in {
if !Contains(values, in[k]) {
r[k] = in[k]
}
}
return r
}
// Entries transforms a map into array of key/value pairs.
// Play:
func Entries[K comparable, V any](in map[K]V) []Entry[K, V] {
entries := make([]Entry[K, V], 0, len(in))
for k := range in {
entries = append(entries, Entry[K, V]{
Key: k,
Value: in[k],
})
}
return entries
}
// ToPairs transforms a map into array of key/value pairs.
// Alias of Entries().
// Play: https://go.dev/play/p/3Dhgx46gawJ
func ToPairs[K comparable, V any](in map[K]V) []Entry[K, V] {
return Entries(in)
}
// FromEntries transforms an array of key/value pairs into a map.
// Play: https://go.dev/play/p/oIr5KHFGCEN
func FromEntries[K comparable, V any](entries []Entry[K, V]) map[K]V {
out := make(map[K]V, len(entries))
for i := range entries {
out[entries[i].Key] = entries[i].Value
}
return out
}
// FromPairs transforms an array of key/value pairs into a map.
// Alias of FromEntries().
// Play: https://go.dev/play/p/oIr5KHFGCEN
func FromPairs[K comparable, V any](entries []Entry[K, V]) map[K]V {
return FromEntries(entries)
}
// Invert creates a map composed of the inverted keys and values. If map
// contains duplicate values, subsequent values overwrite property assignments
// of previous values.
// Play: https://go.dev/play/p/rFQ4rak6iA1
func Invert[K comparable, V comparable](in map[K]V) map[V]K {
out := make(map[V]K, len(in))
for k := range in {
out[in[k]] = k
}
return out
}
// Assign merges multiple maps from left to right.
// Play: https://go.dev/play/p/VhwfJOyxf5o
func Assign[K comparable, V any, Map ~map[K]V](maps ...Map) Map {
count := 0
for i := range maps {
count += len(maps[i])
}
out := make(Map, count)
for i := range maps {
for k := range maps[i] {
out[k] = maps[i][k]
}
}
return out
}
// ChunkEntries splits a map into an array of elements in groups of a length equal to its size. If the map cannot be split evenly,
// the final chunk will contain the remaining elements.
func ChunkEntries[K comparable, V any](m map[K]V, size int) []map[K]V {
if size <= 0 {
panic("The chunk size must be greater than 0")
}
count := len(m)
if count == 0 {
return []map[K]V{}
}
chunksNum := count / size
if count%size != 0 {
chunksNum += 1
}
result := make([]map[K]V, 0, chunksNum)
for k, v := range m {
if len(result) == 0 || len(result[len(result)-1]) == size {
result = append(result, make(map[K]V, size))
}
result[len(result)-1][k] = v
}
return result
}
// MapKeys manipulates a map keys and transforms it to a map of another type.
// Play: https://go.dev/play/p/9_4WPIqOetJ
func MapKeys[K comparable, V any, R comparable](in map[K]V, iteratee func(value V, key K) R) map[R]V {
result := make(map[R]V, len(in))
for k := range in {
result[iteratee(in[k], k)] = in[k]
}
return result
}
// MapValues manipulates a map values and transforms it to a map of another type.
// Play: https://go.dev/play/p/T_8xAfvcf0W
func MapValues[K comparable, V any, R any](in map[K]V, iteratee func(value V, key K) R) map[K]R {
result := make(map[K]R, len(in))
for k := range in {
result[k] = iteratee(in[k], k)
}
return result
}
// MapEntries manipulates a map entries and transforms it to a map of another type.
// Play: https://go.dev/play/p/VuvNQzxKimT
func MapEntries[K1 comparable, V1 any, K2 comparable, V2 any](in map[K1]V1, iteratee func(key K1, value V1) (K2, V2)) map[K2]V2 {
result := make(map[K2]V2, len(in))
for k1 := range in {
k2, v2 := iteratee(k1, in[k1])
result[k2] = v2
}
return result
}
// MapToSlice transforms a map into a slice based on specific iteratee
// Play: https://go.dev/play/p/ZuiCZpDt6LD
func MapToSlice[K comparable, V any, R any](in map[K]V, iteratee func(key K, value V) R) []R {
result := make([]R, 0, len(in))
for k := range in {
result = append(result, iteratee(k, in[k]))
}
return result
}

142
vendor/github.com/samber/lo/math.go generated vendored Normal file
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@@ -0,0 +1,142 @@
package lo
import (
"github.com/samber/lo/internal/constraints"
)
// Range creates an array of numbers (positive and/or negative) with given length.
// Play: https://go.dev/play/p/0r6VimXAi9H
func Range(elementNum int) []int {
length := If(elementNum < 0, -elementNum).Else(elementNum)
result := make([]int, length)
step := If(elementNum < 0, -1).Else(1)
for i, j := 0, 0; i < length; i, j = i+1, j+step {
result[i] = j
}
return result
}
// RangeFrom creates an array of numbers from start with specified length.
// Play: https://go.dev/play/p/0r6VimXAi9H
func RangeFrom[T constraints.Integer | constraints.Float](start T, elementNum int) []T {
length := If(elementNum < 0, -elementNum).Else(elementNum)
result := make([]T, length)
step := If(elementNum < 0, -1).Else(1)
for i, j := 0, start; i < length; i, j = i+1, j+T(step) {
result[i] = j
}
return result
}
// RangeWithSteps creates an array of numbers (positive and/or negative) progressing from start up to, but not including end.
// step set to zero will return empty array.
// Play: https://go.dev/play/p/0r6VimXAi9H
func RangeWithSteps[T constraints.Integer | constraints.Float](start, end, step T) []T {
result := []T{}
if start == end || step == 0 {
return result
}
if start < end {
if step < 0 {
return result
}
for i := start; i < end; i += step {
result = append(result, i)
}
return result
}
if step > 0 {
return result
}
for i := start; i > end; i += step {
result = append(result, i)
}
return result
}
// Clamp clamps number within the inclusive lower and upper bounds.
// Play: https://go.dev/play/p/RU4lJNC2hlI
func Clamp[T constraints.Ordered](value T, min T, max T) T {
if value < min {
return min
} else if value > max {
return max
}
return value
}
// Sum sums the values in a collection. If collection is empty 0 is returned.
// Play: https://go.dev/play/p/upfeJVqs4Bt
func Sum[T constraints.Float | constraints.Integer | constraints.Complex](collection []T) T {
var sum T = 0
for i := range collection {
sum += collection[i]
}
return sum
}
// SumBy summarizes the values in a collection using the given return value from the iteration function. If collection is empty 0 is returned.
// Play: https://go.dev/play/p/Dz_a_7jN_ca
func SumBy[T any, R constraints.Float | constraints.Integer | constraints.Complex](collection []T, iteratee func(item T) R) R {
var sum R = 0
for i := range collection {
sum = sum + iteratee(collection[i])
}
return sum
}
// Product gets the product of the values in a collection. If collection is empty 0 is returned.
// Play: https://go.dev/play/p/2_kjM_smtAH
func Product[T constraints.Float | constraints.Integer | constraints.Complex](collection []T) T {
if collection == nil {
return 1
}
if len(collection) == 0 {
return 1
}
var product T = 1
for i := range collection {
product *= collection[i]
}
return product
}
// ProductBy summarizes the values in a collection using the given return value from the iteration function. If collection is empty 0 is returned.
// Play: https://go.dev/play/p/wadzrWr9Aer
func ProductBy[T any, R constraints.Float | constraints.Integer | constraints.Complex](collection []T, iteratee func(item T) R) R {
if collection == nil {
return 1
}
if len(collection) == 0 {
return 1
}
var product R = 1
for i := range collection {
product = product * iteratee(collection[i])
}
return product
}
// Mean calculates the mean of a collection of numbers.
func Mean[T constraints.Float | constraints.Integer](collection []T) T {
var length = T(len(collection))
if length == 0 {
return 0
}
var sum = Sum(collection)
return sum / length
}
// MeanBy calculates the mean of a collection of numbers using the given return value from the iteration function.
func MeanBy[T any, R constraints.Float | constraints.Integer](collection []T, iteratee func(item T) R) R {
var length = R(len(collection))
if length == 0 {
return 0
}
var sum = SumBy(collection, iteratee)
return sum / length
}

23
vendor/github.com/samber/lo/mutable/slice.go generated vendored Normal file
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@@ -0,0 +1,23 @@
package mutable
import "github.com/samber/lo/internal/rand"
// Shuffle returns an array of shuffled values. Uses the Fisher-Yates shuffle algorithm.
// Play: https://go.dev/play/p/ZTGG7OUCdnp
func Shuffle[T any, Slice ~[]T](collection Slice) {
rand.Shuffle(len(collection), func(i, j int) {
collection[i], collection[j] = collection[j], collection[i]
})
}
// Reverse reverses array so that the first element becomes the last, the second element becomes the second to last, and so on.
// Play: https://go.dev/play/p/iv2e9jslfBM
func Reverse[T any, Slice ~[]T](collection Slice) {
length := len(collection)
half := length / 2
for i := 0; i < half; i = i + 1 {
j := length - 1 - i
collection[i], collection[j] = collection[j], collection[i]
}
}

375
vendor/github.com/samber/lo/retry.go generated vendored Normal file
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@@ -0,0 +1,375 @@
package lo
import (
"sync"
"time"
)
type debounce struct {
after time.Duration
mu *sync.Mutex
timer *time.Timer
done bool
callbacks []func()
}
func (d *debounce) reset() {
d.mu.Lock()
defer d.mu.Unlock()
if d.done {
return
}
if d.timer != nil {
d.timer.Stop()
}
d.timer = time.AfterFunc(d.after, func() {
for i := range d.callbacks {
d.callbacks[i]()
}
})
}
func (d *debounce) cancel() {
d.mu.Lock()
defer d.mu.Unlock()
if d.timer != nil {
d.timer.Stop()
d.timer = nil
}
d.done = true
}
// NewDebounce creates a debounced instance that delays invoking functions given until after wait milliseconds have elapsed.
// Play: https://go.dev/play/p/mz32VMK2nqe
func NewDebounce(duration time.Duration, f ...func()) (func(), func()) {
d := &debounce{
after: duration,
mu: new(sync.Mutex),
timer: nil,
done: false,
callbacks: f,
}
return func() {
d.reset()
}, d.cancel
}
type debounceByItem struct {
mu *sync.Mutex
timer *time.Timer
count int
}
type debounceBy[T comparable] struct {
after time.Duration
mu *sync.Mutex
items map[T]*debounceByItem
callbacks []func(key T, count int)
}
func (d *debounceBy[T]) reset(key T) {
d.mu.Lock()
if _, ok := d.items[key]; !ok {
d.items[key] = &debounceByItem{
mu: new(sync.Mutex),
timer: nil,
}
}
item := d.items[key]
d.mu.Unlock()
item.mu.Lock()
defer item.mu.Unlock()
item.count++
if item.timer != nil {
item.timer.Stop()
}
item.timer = time.AfterFunc(d.after, func() {
item.mu.Lock()
count := item.count
item.count = 0
item.mu.Unlock()
for i := range d.callbacks {
d.callbacks[i](key, count)
}
})
}
func (d *debounceBy[T]) cancel(key T) {
d.mu.Lock()
defer d.mu.Unlock()
if item, ok := d.items[key]; ok {
item.mu.Lock()
if item.timer != nil {
item.timer.Stop()
item.timer = nil
}
item.mu.Unlock()
delete(d.items, key)
}
}
// NewDebounceBy creates a debounced instance for each distinct key, that delays invoking functions given until after wait milliseconds have elapsed.
// Play: https://go.dev/play/p/d3Vpt6pxhY8
func NewDebounceBy[T comparable](duration time.Duration, f ...func(key T, count int)) (func(key T), func(key T)) {
d := &debounceBy[T]{
after: duration,
mu: new(sync.Mutex),
items: map[T]*debounceByItem{},
callbacks: f,
}
return func(key T) {
d.reset(key)
}, d.cancel
}
// Attempt invokes a function N times until it returns valid output. Returns either the caught error or nil.
// When the first argument is less than `1`, the function runs until a successful response is returned.
// Play: https://go.dev/play/p/3ggJZ2ZKcMj
func Attempt(maxIteration int, f func(index int) error) (int, error) {
var err error
for i := 0; maxIteration <= 0 || i < maxIteration; i++ {
// for retries >= 0 {
err = f(i)
if err == nil {
return i + 1, nil
}
}
return maxIteration, err
}
// AttemptWithDelay invokes a function N times until it returns valid output,
// with a pause between each call. Returns either the caught error or nil.
// When the first argument is less than `1`, the function runs until a successful
// response is returned.
// Play: https://go.dev/play/p/tVs6CygC7m1
func AttemptWithDelay(maxIteration int, delay time.Duration, f func(index int, duration time.Duration) error) (int, time.Duration, error) {
var err error
start := time.Now()
for i := 0; maxIteration <= 0 || i < maxIteration; i++ {
err = f(i, time.Since(start))
if err == nil {
return i + 1, time.Since(start), nil
}
if maxIteration <= 0 || i+1 < maxIteration {
time.Sleep(delay)
}
}
return maxIteration, time.Since(start), err
}
// AttemptWhile invokes a function N times until it returns valid output.
// Returns either the caught error or nil, along with a bool value to determine
// whether the function should be invoked again. It will terminate the invoke
// immediately if the second return value is false. When the first
// argument is less than `1`, the function runs until a successful response is
// returned.
func AttemptWhile(maxIteration int, f func(int) (error, bool)) (int, error) {
var err error
var shouldContinueInvoke bool
for i := 0; maxIteration <= 0 || i < maxIteration; i++ {
// for retries >= 0 {
err, shouldContinueInvoke = f(i)
if !shouldContinueInvoke { // if shouldContinueInvoke is false, then return immediately
return i + 1, err
}
if err == nil {
return i + 1, nil
}
}
return maxIteration, err
}
// AttemptWhileWithDelay invokes a function N times until it returns valid output,
// with a pause between each call. Returns either the caught error or nil, along
// with a bool value to determine whether the function should be invoked again.
// It will terminate the invoke immediately if the second return value is false.
// When the first argument is less than `1`, the function runs until a successful
// response is returned.
func AttemptWhileWithDelay(maxIteration int, delay time.Duration, f func(int, time.Duration) (error, bool)) (int, time.Duration, error) {
var err error
var shouldContinueInvoke bool
start := time.Now()
for i := 0; maxIteration <= 0 || i < maxIteration; i++ {
err, shouldContinueInvoke = f(i, time.Since(start))
if !shouldContinueInvoke { // if shouldContinueInvoke is false, then return immediately
return i + 1, time.Since(start), err
}
if err == nil {
return i + 1, time.Since(start), nil
}
if maxIteration <= 0 || i+1 < maxIteration {
time.Sleep(delay)
}
}
return maxIteration, time.Since(start), err
}
type transactionStep[T any] struct {
exec func(T) (T, error)
onRollback func(T) T
}
// NewTransaction instantiate a new transaction.
func NewTransaction[T any]() *Transaction[T] {
return &Transaction[T]{
steps: []transactionStep[T]{},
}
}
// Transaction implements a Saga pattern
type Transaction[T any] struct {
steps []transactionStep[T]
}
// Then adds a step to the chain of callbacks. It returns the same Transaction.
func (t *Transaction[T]) Then(exec func(T) (T, error), onRollback func(T) T) *Transaction[T] {
t.steps = append(t.steps, transactionStep[T]{
exec: exec,
onRollback: onRollback,
})
return t
}
// Process runs the Transaction steps and rollbacks in case of errors.
func (t *Transaction[T]) Process(state T) (T, error) {
var i int
var err error
for i < len(t.steps) {
state, err = t.steps[i].exec(state)
if err != nil {
break
}
i++
}
if err == nil {
return state, nil
}
for i > 0 {
i--
state = t.steps[i].onRollback(state)
}
return state, err
}
// @TODO: single mutex per key ?
type throttleBy[T comparable] struct {
mu *sync.Mutex
timer *time.Timer
interval time.Duration
callbacks []func(key T)
countLimit int
count map[T]int
}
func (th *throttleBy[T]) throttledFunc(key T) {
th.mu.Lock()
defer th.mu.Unlock()
if _, ok := th.count[key]; !ok {
th.count[key] = 0
}
if th.count[key] < th.countLimit {
th.count[key]++
for _, f := range th.callbacks {
f(key)
}
}
if th.timer == nil {
th.timer = time.AfterFunc(th.interval, func() {
th.reset()
})
}
}
func (th *throttleBy[T]) reset() {
th.mu.Lock()
defer th.mu.Unlock()
if th.timer != nil {
th.timer.Stop()
}
th.count = map[T]int{}
th.timer = nil
}
// NewThrottle creates a throttled instance that invokes given functions only once in every interval.
// This returns 2 functions, First one is throttled function and Second one is a function to reset interval
func NewThrottle(interval time.Duration, f ...func()) (throttle func(), reset func()) {
return NewThrottleWithCount(interval, 1, f...)
}
// NewThrottleWithCount is NewThrottle with count limit, throttled function will be invoked count times in every interval.
func NewThrottleWithCount(interval time.Duration, count int, f ...func()) (throttle func(), reset func()) {
callbacks := Map(f, func(item func(), _ int) func(struct{}) {
return func(struct{}) {
item()
}
})
throttleFn, reset := NewThrottleByWithCount[struct{}](interval, count, callbacks...)
return func() {
throttleFn(struct{}{})
}, reset
}
// NewThrottleBy creates a throttled instance that invokes given functions only once in every interval.
// This returns 2 functions, First one is throttled function and Second one is a function to reset interval
func NewThrottleBy[T comparable](interval time.Duration, f ...func(key T)) (throttle func(key T), reset func()) {
return NewThrottleByWithCount[T](interval, 1, f...)
}
// NewThrottleByWithCount is NewThrottleBy with count limit, throttled function will be invoked count times in every interval.
func NewThrottleByWithCount[T comparable](interval time.Duration, count int, f ...func(key T)) (throttle func(key T), reset func()) {
if count <= 0 {
count = 1
}
th := &throttleBy[T]{
mu: new(sync.Mutex),
interval: interval,
callbacks: f,
countLimit: count,
count: map[T]int{},
}
return th.throttledFunc, th.reset
}

732
vendor/github.com/samber/lo/slice.go generated vendored Normal file
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@@ -0,0 +1,732 @@
package lo
import (
"sort"
"github.com/samber/lo/internal/constraints"
"github.com/samber/lo/mutable"
)
// Filter iterates over elements of collection, returning an array of all elements predicate returns truthy for.
// Play: https://go.dev/play/p/Apjg3WeSi7K
func Filter[T any, Slice ~[]T](collection Slice, predicate func(item T, index int) bool) Slice {
result := make(Slice, 0, len(collection))
for i := range collection {
if predicate(collection[i], i) {
result = append(result, collection[i])
}
}
return result
}
// Map manipulates a slice and transforms it to a slice of another type.
// Play: https://go.dev/play/p/OkPcYAhBo0D
func Map[T any, R any](collection []T, iteratee func(item T, index int) R) []R {
result := make([]R, len(collection))
for i := range collection {
result[i] = iteratee(collection[i], i)
}
return result
}
// UniqMap manipulates a slice and transforms it to a slice of another type with unique values.
func UniqMap[T any, R comparable](collection []T, iteratee func(item T, index int) R) []R {
result := make([]R, 0, len(collection))
seen := make(map[R]struct{}, len(collection))
for i, item := range collection {
r := iteratee(item, i)
if _, ok := seen[r]; !ok {
result = append(result, r)
seen[r] = struct{}{}
}
}
return result
}
// FilterMap returns a slice which obtained after both filtering and mapping using the given callback function.
// The callback function should return two values:
// - the result of the mapping operation and
// - whether the result element should be included or not.
//
// Play: https://go.dev/play/p/-AuYXfy7opz
func FilterMap[T any, R any](collection []T, callback func(item T, index int) (R, bool)) []R {
result := []R{}
for i := range collection {
if r, ok := callback(collection[i], i); ok {
result = append(result, r)
}
}
return result
}
// FlatMap manipulates a slice and transforms and flattens it to a slice of another type.
// The transform function can either return a slice or a `nil`, and in the `nil` case
// no value is added to the final slice.
// Play: https://go.dev/play/p/YSoYmQTA8-U
func FlatMap[T any, R any](collection []T, iteratee func(item T, index int) []R) []R {
result := make([]R, 0, len(collection))
for i := range collection {
result = append(result, iteratee(collection[i], i)...)
}
return result
}
// Reduce reduces collection to a value which is the accumulated result of running each element in collection
// through accumulator, where each successive invocation is supplied the return value of the previous.
// Play: https://go.dev/play/p/R4UHXZNaaUG
func Reduce[T any, R any](collection []T, accumulator func(agg R, item T, index int) R, initial R) R {
for i := range collection {
initial = accumulator(initial, collection[i], i)
}
return initial
}
// ReduceRight helper is like Reduce except that it iterates over elements of collection from right to left.
// Play: https://go.dev/play/p/Fq3W70l7wXF
func ReduceRight[T any, R any](collection []T, accumulator func(agg R, item T, index int) R, initial R) R {
for i := len(collection) - 1; i >= 0; i-- {
initial = accumulator(initial, collection[i], i)
}
return initial
}
// ForEach iterates over elements of collection and invokes iteratee for each element.
// Play: https://go.dev/play/p/oofyiUPRf8t
func ForEach[T any](collection []T, iteratee func(item T, index int)) {
for i := range collection {
iteratee(collection[i], i)
}
}
// ForEachWhile iterates over elements of collection and invokes iteratee for each element
// collection return value decide to continue or break, like do while().
// Play: https://go.dev/play/p/QnLGt35tnow
func ForEachWhile[T any](collection []T, iteratee func(item T, index int) (goon bool)) {
for i := range collection {
if !iteratee(collection[i], i) {
break
}
}
}
// Times invokes the iteratee n times, returning an array of the results of each invocation.
// The iteratee is invoked with index as argument.
// Play: https://go.dev/play/p/vgQj3Glr6lT
func Times[T any](count int, iteratee func(index int) T) []T {
result := make([]T, count)
for i := 0; i < count; i++ {
result[i] = iteratee(i)
}
return result
}
// Uniq returns a duplicate-free version of an array, in which only the first occurrence of each element is kept.
// The order of result values is determined by the order they occur in the array.
// Play: https://go.dev/play/p/DTzbeXZ6iEN
func Uniq[T comparable, Slice ~[]T](collection Slice) Slice {
result := make(Slice, 0, len(collection))
seen := make(map[T]struct{}, len(collection))
for i := range collection {
if _, ok := seen[collection[i]]; ok {
continue
}
seen[collection[i]] = struct{}{}
result = append(result, collection[i])
}
return result
}
// UniqBy returns a duplicate-free version of an array, in which only the first occurrence of each element is kept.
// The order of result values is determined by the order they occur in the array. It accepts `iteratee` which is
// invoked for each element in array to generate the criterion by which uniqueness is computed.
// Play: https://go.dev/play/p/g42Z3QSb53u
func UniqBy[T any, U comparable, Slice ~[]T](collection Slice, iteratee func(item T) U) Slice {
result := make(Slice, 0, len(collection))
seen := make(map[U]struct{}, len(collection))
for i := range collection {
key := iteratee(collection[i])
if _, ok := seen[key]; ok {
continue
}
seen[key] = struct{}{}
result = append(result, collection[i])
}
return result
}
// GroupBy returns an object composed of keys generated from the results of running each element of collection through iteratee.
// Play: https://go.dev/play/p/XnQBd_v6brd
func GroupBy[T any, U comparable, Slice ~[]T](collection Slice, iteratee func(item T) U) map[U]Slice {
result := map[U]Slice{}
for i := range collection {
key := iteratee(collection[i])
result[key] = append(result[key], collection[i])
}
return result
}
// Chunk returns an array of elements split into groups the length of size. If array can't be split evenly,
// the final chunk will be the remaining elements.
// Play: https://go.dev/play/p/EeKl0AuTehH
func Chunk[T any, Slice ~[]T](collection Slice, size int) []Slice {
if size <= 0 {
panic("Second parameter must be greater than 0")
}
chunksNum := len(collection) / size
if len(collection)%size != 0 {
chunksNum += 1
}
result := make([]Slice, 0, chunksNum)
for i := 0; i < chunksNum; i++ {
last := (i + 1) * size
if last > len(collection) {
last = len(collection)
}
result = append(result, collection[i*size:last:last])
}
return result
}
// PartitionBy returns an array of elements split into groups. The order of grouped values is
// determined by the order they occur in collection. The grouping is generated from the results
// of running each element of collection through iteratee.
// Play: https://go.dev/play/p/NfQ_nGjkgXW
func PartitionBy[T any, K comparable, Slice ~[]T](collection Slice, iteratee func(item T) K) []Slice {
result := []Slice{}
seen := map[K]int{}
for i := range collection {
key := iteratee(collection[i])
resultIndex, ok := seen[key]
if !ok {
resultIndex = len(result)
seen[key] = resultIndex
result = append(result, Slice{})
}
result[resultIndex] = append(result[resultIndex], collection[i])
}
return result
// unordered:
// groups := GroupBy[T, K](collection, iteratee)
// return Values[K, []T](groups)
}
// Flatten returns an array a single level deep.
// Play: https://go.dev/play/p/rbp9ORaMpjw
func Flatten[T any, Slice ~[]T](collection []Slice) Slice {
totalLen := 0
for i := range collection {
totalLen += len(collection[i])
}
result := make(Slice, 0, totalLen)
for i := range collection {
result = append(result, collection[i]...)
}
return result
}
// Interleave round-robin alternating input slices and sequentially appending value at index into result
// Play: https://go.dev/play/p/-RJkTLQEDVt
func Interleave[T any, Slice ~[]T](collections ...Slice) Slice {
if len(collections) == 0 {
return Slice{}
}
maxSize := 0
totalSize := 0
for i := range collections {
size := len(collections[i])
totalSize += size
if size > maxSize {
maxSize = size
}
}
if maxSize == 0 {
return Slice{}
}
result := make(Slice, totalSize)
resultIdx := 0
for i := 0; i < maxSize; i++ {
for j := range collections {
if len(collections[j])-1 < i {
continue
}
result[resultIdx] = collections[j][i]
resultIdx++
}
}
return result
}
// Shuffle returns an array of shuffled values. Uses the Fisher-Yates shuffle algorithm.
// Play: https://go.dev/play/p/ZTGG7OUCdnp
//
// Deprecated: use mutable.Shuffle() instead.
func Shuffle[T any, Slice ~[]T](collection Slice) Slice {
mutable.Shuffle(collection)
return collection
}
// Reverse reverses array so that the first element becomes the last, the second element becomes the second to last, and so on.
// Play: https://go.dev/play/p/iv2e9jslfBM
//
// Deprecated: use mutable.Reverse() instead.
func Reverse[T any, Slice ~[]T](collection Slice) Slice {
mutable.Reverse(collection)
return collection
}
// Fill fills elements of array with `initial` value.
// Play: https://go.dev/play/p/VwR34GzqEub
func Fill[T Clonable[T], Slice ~[]T](collection Slice, initial T) Slice {
result := make(Slice, 0, len(collection))
for range collection {
result = append(result, initial.Clone())
}
return result
}
// Repeat builds a slice with N copies of initial value.
// Play: https://go.dev/play/p/g3uHXbmc3b6
func Repeat[T Clonable[T]](count int, initial T) []T {
result := make([]T, 0, count)
for i := 0; i < count; i++ {
result = append(result, initial.Clone())
}
return result
}
// RepeatBy builds a slice with values returned by N calls of callback.
// Play: https://go.dev/play/p/ozZLCtX_hNU
func RepeatBy[T any](count int, predicate func(index int) T) []T {
result := make([]T, 0, count)
for i := 0; i < count; i++ {
result = append(result, predicate(i))
}
return result
}
// KeyBy transforms a slice or an array of structs to a map based on a pivot callback.
// Play: https://go.dev/play/p/mdaClUAT-zZ
func KeyBy[K comparable, V any](collection []V, iteratee func(item V) K) map[K]V {
result := make(map[K]V, len(collection))
for i := range collection {
k := iteratee(collection[i])
result[k] = collection[i]
}
return result
}
// Associate returns a map containing key-value pairs provided by transform function applied to elements of the given slice.
// If any of two pairs would have the same key the last one gets added to the map.
// The order of keys in returned map is not specified and is not guaranteed to be the same from the original array.
// Play: https://go.dev/play/p/WHa2CfMO3Lr
func Associate[T any, K comparable, V any](collection []T, transform func(item T) (K, V)) map[K]V {
result := make(map[K]V, len(collection))
for i := range collection {
k, v := transform(collection[i])
result[k] = v
}
return result
}
// SliceToMap returns a map containing key-value pairs provided by transform function applied to elements of the given slice.
// If any of two pairs would have the same key the last one gets added to the map.
// The order of keys in returned map is not specified and is not guaranteed to be the same from the original array.
// Alias of Associate().
// Play: https://go.dev/play/p/WHa2CfMO3Lr
func SliceToMap[T any, K comparable, V any](collection []T, transform func(item T) (K, V)) map[K]V {
return Associate(collection, transform)
}
// FilterSliceToMap returns a map containing key-value pairs provided by transform function applied to elements of the given slice.
// If any of two pairs would have the same key the last one gets added to the map.
// The order of keys in returned map is not specified and is not guaranteed to be the same from the original array.
// The third return value of the transform function is a boolean that indicates whether the key-value pair should be included in the map.
func FilterSliceToMap[T any, K comparable, V any](collection []T, transform func(item T) (K, V, bool)) map[K]V {
result := make(map[K]V, len(collection))
for i := range collection {
k, v, ok := transform(collection[i])
if ok {
result[k] = v
}
}
return result
}
// Keyify returns a map with each unique element of the slice as a key.
func Keyify[T comparable, Slice ~[]T](collection Slice) map[T]struct{} {
result := make(map[T]struct{}, len(collection))
for _, item := range collection {
result[item] = struct{}{}
}
return result
}
// Drop drops n elements from the beginning of a slice or array.
// Play: https://go.dev/play/p/JswS7vXRJP2
func Drop[T any, Slice ~[]T](collection Slice, n int) Slice {
if len(collection) <= n {
return make(Slice, 0)
}
result := make(Slice, 0, len(collection)-n)
return append(result, collection[n:]...)
}
// DropRight drops n elements from the end of a slice or array.
// Play: https://go.dev/play/p/GG0nXkSJJa3
func DropRight[T any, Slice ~[]T](collection Slice, n int) Slice {
if len(collection) <= n {
return Slice{}
}
result := make(Slice, 0, len(collection)-n)
return append(result, collection[:len(collection)-n]...)
}
// DropWhile drops elements from the beginning of a slice or array while the predicate returns true.
// Play: https://go.dev/play/p/7gBPYw2IK16
func DropWhile[T any, Slice ~[]T](collection Slice, predicate func(item T) bool) Slice {
i := 0
for ; i < len(collection); i++ {
if !predicate(collection[i]) {
break
}
}
result := make(Slice, 0, len(collection)-i)
return append(result, collection[i:]...)
}
// DropRightWhile drops elements from the end of a slice or array while the predicate returns true.
// Play: https://go.dev/play/p/3-n71oEC0Hz
func DropRightWhile[T any, Slice ~[]T](collection Slice, predicate func(item T) bool) Slice {
i := len(collection) - 1
for ; i >= 0; i-- {
if !predicate(collection[i]) {
break
}
}
result := make(Slice, 0, i+1)
return append(result, collection[:i+1]...)
}
// DropByIndex drops elements from a slice or array by the index.
// A negative index will drop elements from the end of the slice.
// Play: https://go.dev/play/p/bPIH4npZRxS
func DropByIndex[T any](collection []T, indexes ...int) []T {
initialSize := len(collection)
if initialSize == 0 {
return make([]T, 0)
}
for i := range indexes {
if indexes[i] < 0 {
indexes[i] = initialSize + indexes[i]
}
}
indexes = Uniq(indexes)
sort.Ints(indexes)
result := make([]T, 0, initialSize)
result = append(result, collection...)
for i := range indexes {
if indexes[i]-i < 0 || indexes[i]-i >= initialSize-i {
continue
}
result = append(result[:indexes[i]-i], result[indexes[i]-i+1:]...)
}
return result
}
// Reject is the opposite of Filter, this method returns the elements of collection that predicate does not return truthy for.
// Play: https://go.dev/play/p/YkLMODy1WEL
func Reject[T any, Slice ~[]T](collection Slice, predicate func(item T, index int) bool) Slice {
result := Slice{}
for i := range collection {
if !predicate(collection[i], i) {
result = append(result, collection[i])
}
}
return result
}
// RejectMap is the opposite of FilterMap, this method returns a slice which obtained after both filtering and mapping using the given callback function.
// The callback function should return two values:
// - the result of the mapping operation and
// - whether the result element should be included or not.
func RejectMap[T any, R any](collection []T, callback func(item T, index int) (R, bool)) []R {
result := []R{}
for i := range collection {
if r, ok := callback(collection[i], i); !ok {
result = append(result, r)
}
}
return result
}
// FilterReject mixes Filter and Reject, this method returns two slices, one for the elements of collection that
// predicate returns truthy for and one for the elements that predicate does not return truthy for.
func FilterReject[T any, Slice ~[]T](collection Slice, predicate func(T, int) bool) (kept Slice, rejected Slice) {
kept = make(Slice, 0, len(collection))
rejected = make(Slice, 0, len(collection))
for i := range collection {
if predicate(collection[i], i) {
kept = append(kept, collection[i])
} else {
rejected = append(rejected, collection[i])
}
}
return kept, rejected
}
// Count counts the number of elements in the collection that compare equal to value.
// Play: https://go.dev/play/p/Y3FlK54yveC
func Count[T comparable](collection []T, value T) (count int) {
for i := range collection {
if collection[i] == value {
count++
}
}
return count
}
// CountBy counts the number of elements in the collection for which predicate is true.
// Play: https://go.dev/play/p/ByQbNYQQi4X
func CountBy[T any](collection []T, predicate func(item T) bool) (count int) {
for i := range collection {
if predicate(collection[i]) {
count++
}
}
return count
}
// CountValues counts the number of each element in the collection.
// Play: https://go.dev/play/p/-p-PyLT4dfy
func CountValues[T comparable](collection []T) map[T]int {
result := make(map[T]int)
for i := range collection {
result[collection[i]]++
}
return result
}
// CountValuesBy counts the number of each element return from mapper function.
// Is equivalent to chaining lo.Map and lo.CountValues.
// Play: https://go.dev/play/p/2U0dG1SnOmS
func CountValuesBy[T any, U comparable](collection []T, mapper func(item T) U) map[U]int {
result := make(map[U]int)
for i := range collection {
result[mapper(collection[i])]++
}
return result
}
// Subset returns a copy of a slice from `offset` up to `length` elements. Like `slice[start:start+length]`, but does not panic on overflow.
// Play: https://go.dev/play/p/tOQu1GhFcog
func Subset[T any, Slice ~[]T](collection Slice, offset int, length uint) Slice {
size := len(collection)
if offset < 0 {
offset = size + offset
if offset < 0 {
offset = 0
}
}
if offset > size {
return Slice{}
}
if length > uint(size)-uint(offset) {
length = uint(size - offset)
}
return collection[offset : offset+int(length)]
}
// Slice returns a copy of a slice from `start` up to, but not including `end`. Like `slice[start:end]`, but does not panic on overflow.
// Play: https://go.dev/play/p/8XWYhfMMA1h
func Slice[T any, Slice ~[]T](collection Slice, start int, end int) Slice {
size := len(collection)
if start >= end {
return Slice{}
}
if start > size {
start = size
}
if start < 0 {
start = 0
}
if end > size {
end = size
}
if end < 0 {
end = 0
}
return collection[start:end]
}
// Replace returns a copy of the slice with the first n non-overlapping instances of old replaced by new.
// Play: https://go.dev/play/p/XfPzmf9gql6
func Replace[T comparable, Slice ~[]T](collection Slice, old T, new T, n int) Slice {
result := make(Slice, len(collection))
copy(result, collection)
for i := range result {
if result[i] == old && n != 0 {
result[i] = new
n--
}
}
return result
}
// ReplaceAll returns a copy of the slice with all non-overlapping instances of old replaced by new.
// Play: https://go.dev/play/p/a9xZFUHfYcV
func ReplaceAll[T comparable, Slice ~[]T](collection Slice, old T, new T) Slice {
return Replace(collection, old, new, -1)
}
// Compact returns a slice of all non-zero elements.
// Play: https://go.dev/play/p/tXiy-iK6PAc
func Compact[T comparable, Slice ~[]T](collection Slice) Slice {
var zero T
result := make(Slice, 0, len(collection))
for i := range collection {
if collection[i] != zero {
result = append(result, collection[i])
}
}
return result
}
// IsSorted checks if a slice is sorted.
// Play: https://go.dev/play/p/mc3qR-t4mcx
func IsSorted[T constraints.Ordered](collection []T) bool {
for i := 1; i < len(collection); i++ {
if collection[i-1] > collection[i] {
return false
}
}
return true
}
// IsSortedByKey checks if a slice is sorted by iteratee.
// Play: https://go.dev/play/p/wiG6XyBBu49
func IsSortedByKey[T any, K constraints.Ordered](collection []T, iteratee func(item T) K) bool {
size := len(collection)
for i := 0; i < size-1; i++ {
if iteratee(collection[i]) > iteratee(collection[i+1]) {
return false
}
}
return true
}
// Splice inserts multiple elements at index i. A negative index counts back
// from the end of the slice. The helper is protected against overflow errors.
// Play: https://go.dev/play/p/G5_GhkeSUBA
func Splice[T any, Slice ~[]T](collection Slice, i int, elements ...T) Slice {
sizeCollection := len(collection)
sizeElements := len(elements)
output := make(Slice, 0, sizeCollection+sizeElements) // preallocate memory for the output slice
if sizeElements == 0 {
return append(output, collection...) // simple copy
} else if i > sizeCollection {
// positive overflow
return append(append(output, collection...), elements...)
} else if i < -sizeCollection {
// negative overflow
return append(append(output, elements...), collection...)
} else if i < 0 {
// backward
i = sizeCollection + i
}
return append(append(append(output, collection[:i]...), elements...), collection[i:]...)
}

231
vendor/github.com/samber/lo/string.go generated vendored Normal file
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package lo
import (
"github.com/samber/lo/internal/rand"
"math"
"regexp"
"strings"
"unicode"
"unicode/utf8"
"golang.org/x/text/cases"
"golang.org/x/text/language"
)
var (
LowerCaseLettersCharset = []rune("abcdefghijklmnopqrstuvwxyz")
UpperCaseLettersCharset = []rune("ABCDEFGHIJKLMNOPQRSTUVWXYZ")
LettersCharset = append(LowerCaseLettersCharset, UpperCaseLettersCharset...)
NumbersCharset = []rune("0123456789")
AlphanumericCharset = append(LettersCharset, NumbersCharset...)
SpecialCharset = []rune("!@#$%^&*()_+-=[]{}|;':\",./<>?")
AllCharset = append(AlphanumericCharset, SpecialCharset...)
// bearer:disable go_lang_permissive_regex_validation
splitWordReg = regexp.MustCompile(`([a-z])([A-Z0-9])|([a-zA-Z])([0-9])|([0-9])([a-zA-Z])|([A-Z])([A-Z])([a-z])`)
// bearer:disable go_lang_permissive_regex_validation
splitNumberLetterReg = regexp.MustCompile(`([0-9])([a-zA-Z])`)
maximumCapacity = math.MaxInt>>1 + 1
)
// RandomString return a random string.
// Play: https://go.dev/play/p/rRseOQVVum4
func RandomString(size int, charset []rune) string {
if size <= 0 {
panic("lo.RandomString: Size parameter must be greater than 0")
}
if len(charset) <= 0 {
panic("lo.RandomString: Charset parameter must not be empty")
}
// see https://stackoverflow.com/questions/22892120/how-to-generate-a-random-string-of-a-fixed-length-in-go
sb := strings.Builder{}
sb.Grow(size)
// Calculate the number of bits required to represent the charset,
// e.g., for 62 characters, it would need 6 bits (since 62 -> 64 = 2^6)
letterIdBits := int(math.Log2(float64(nearestPowerOfTwo(len(charset)))))
// Determine the corresponding bitmask,
// e.g., for 62 characters, the bitmask would be 111111.
var letterIdMask int64 = 1<<letterIdBits - 1
// Available count, since rand.Int64() returns a non-negative number, the first bit is fixed, so there are 63 random bits
// e.g., for 62 characters, this value is 10 (63 / 6).
letterIdMax := 63 / letterIdBits
// Generate the random string in a loop.
for i, cache, remain := size-1, rand.Int64(), letterIdMax; i >= 0; {
// Regenerate the random number if all available bits have been used
if remain == 0 {
cache, remain = rand.Int64(), letterIdMax
}
// Select a character from the charset
if idx := int(cache & letterIdMask); idx < len(charset) {
sb.WriteRune(charset[idx])
i--
}
// Shift the bits to the right to prepare for the next character selection,
// e.g., for 62 characters, shift by 6 bits.
cache >>= letterIdBits
// Decrease the remaining number of uses for the current random number.
remain--
}
return sb.String()
}
// nearestPowerOfTwo returns the nearest power of two.
func nearestPowerOfTwo(cap int) int {
n := cap - 1
n |= n >> 1
n |= n >> 2
n |= n >> 4
n |= n >> 8
n |= n >> 16
if n < 0 {
return 1
}
if n >= maximumCapacity {
return maximumCapacity
}
return n + 1
}
// Substring return part of a string.
// Play: https://go.dev/play/p/TQlxQi82Lu1
func Substring[T ~string](str T, offset int, length uint) T {
rs := []rune(str)
size := len(rs)
if offset < 0 {
offset = size + offset
if offset < 0 {
offset = 0
}
}
if offset >= size {
return Empty[T]()
}
if length > uint(size)-uint(offset) {
length = uint(size - offset)
}
return T(strings.Replace(string(rs[offset:offset+int(length)]), "\x00", "", -1))
}
// ChunkString returns an array of strings split into groups the length of size. If array can't be split evenly,
// the final chunk will be the remaining elements.
// Play: https://go.dev/play/p/__FLTuJVz54
func ChunkString[T ~string](str T, size int) []T {
if size <= 0 {
panic("lo.ChunkString: Size parameter must be greater than 0")
}
if len(str) == 0 {
return []T{""}
}
if size >= len(str) {
return []T{str}
}
var chunks = make([]T, 0, ((len(str)-1)/size)+1)
currentLen := 0
currentStart := 0
for i := range str {
if currentLen == size {
chunks = append(chunks, str[currentStart:i])
currentLen = 0
currentStart = i
}
currentLen++
}
chunks = append(chunks, str[currentStart:])
return chunks
}
// RuneLength is an alias to utf8.RuneCountInString which returns the number of runes in string.
// Play: https://go.dev/play/p/tuhgW_lWY8l
func RuneLength(str string) int {
return utf8.RuneCountInString(str)
}
// PascalCase converts string to pascal case.
func PascalCase(str string) string {
items := Words(str)
for i := range items {
items[i] = Capitalize(items[i])
}
return strings.Join(items, "")
}
// CamelCase converts string to camel case.
func CamelCase(str string) string {
items := Words(str)
for i, item := range items {
item = strings.ToLower(item)
if i > 0 {
item = Capitalize(item)
}
items[i] = item
}
return strings.Join(items, "")
}
// KebabCase converts string to kebab case.
func KebabCase(str string) string {
items := Words(str)
for i := range items {
items[i] = strings.ToLower(items[i])
}
return strings.Join(items, "-")
}
// SnakeCase converts string to snake case.
func SnakeCase(str string) string {
items := Words(str)
for i := range items {
items[i] = strings.ToLower(items[i])
}
return strings.Join(items, "_")
}
// Words splits string into an array of its words.
func Words(str string) []string {
str = splitWordReg.ReplaceAllString(str, `$1$3$5$7 $2$4$6$8$9`)
// example: Int8Value => Int 8Value => Int 8 Value
str = splitNumberLetterReg.ReplaceAllString(str, "$1 $2")
var result strings.Builder
for _, r := range str {
if unicode.IsLetter(r) || unicode.IsDigit(r) {
result.WriteRune(r)
} else {
result.WriteRune(' ')
}
}
return strings.Fields(result.String())
}
// Capitalize converts the first character of string to upper case and the remaining to lower case.
func Capitalize(str string) string {
return cases.Title(language.English).String(str)
}
// Ellipsis trims and truncates a string to a specified length and appends an ellipsis if truncated.
func Ellipsis(str string, length int) string {
str = strings.TrimSpace(str)
if len(str) > length {
if len(str) < 3 || length < 3 {
return "..."
}
return strings.TrimSpace(str[0:length-3]) + "..."
}
return str
}
// Elipse trims and truncates a string to a specified length and appends an ellipsis if truncated.
//
// Deprecated: Use Ellipsis instead.
func Elipse(str string, length int) string {
return Ellipsis(str, length)
}

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vendor/github.com/samber/lo/time.go generated vendored Normal file
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package lo
import "time"
// Duration returns the time taken to execute a function.
func Duration(cb func()) time.Duration {
return Duration0(cb)
}
// Duration0 returns the time taken to execute a function.
func Duration0(cb func()) time.Duration {
start := time.Now()
cb()
return time.Since(start)
}
// Duration1 returns the time taken to execute a function.
func Duration1[A any](cb func() A) (A, time.Duration) {
start := time.Now()
a := cb()
return a, time.Since(start)
}
// Duration2 returns the time taken to execute a function.
func Duration2[A, B any](cb func() (A, B)) (A, B, time.Duration) {
start := time.Now()
a, b := cb()
return a, b, time.Since(start)
}
// Duration3 returns the time taken to execute a function.
func Duration3[A, B, C any](cb func() (A, B, C)) (A, B, C, time.Duration) {
start := time.Now()
a, b, c := cb()
return a, b, c, time.Since(start)
}
// Duration4 returns the time taken to execute a function.
func Duration4[A, B, C, D any](cb func() (A, B, C, D)) (A, B, C, D, time.Duration) {
start := time.Now()
a, b, c, d := cb()
return a, b, c, d, time.Since(start)
}
// Duration5 returns the time taken to execute a function.
func Duration5[A, B, C, D, E any](cb func() (A, B, C, D, E)) (A, B, C, D, E, time.Duration) {
start := time.Now()
a, b, c, d, e := cb()
return a, b, c, d, e, time.Since(start)
}
// Duration6 returns the time taken to execute a function.
func Duration6[A, B, C, D, E, F any](cb func() (A, B, C, D, E, F)) (A, B, C, D, E, F, time.Duration) {
start := time.Now()
a, b, c, d, e, f := cb()
return a, b, c, d, e, f, time.Since(start)
}
// Duration7 returns the time taken to execute a function.
func Duration7[A, B, C, D, E, F, G any](cb func() (A, B, C, D, E, F, G)) (A, B, C, D, E, F, G, time.Duration) {
start := time.Now()
a, b, c, d, e, f, g := cb()
return a, b, c, d, e, f, g, time.Since(start)
}
// Duration8 returns the time taken to execute a function.
func Duration8[A, B, C, D, E, F, G, H any](cb func() (A, B, C, D, E, F, G, H)) (A, B, C, D, E, F, G, H, time.Duration) {
start := time.Now()
a, b, c, d, e, f, g, h := cb()
return a, b, c, d, e, f, g, h, time.Since(start)
}
// Duration9 returns the time taken to execute a function.
func Duration9[A, B, C, D, E, F, G, H, I any](cb func() (A, B, C, D, E, F, G, H, I)) (A, B, C, D, E, F, G, H, I, time.Duration) {
start := time.Now()
a, b, c, d, e, f, g, h, i := cb()
return a, b, c, d, e, f, g, h, i, time.Since(start)
}
// Duration10 returns the time taken to execute a function.
func Duration10[A, B, C, D, E, F, G, H, I, J any](cb func() (A, B, C, D, E, F, G, H, I, J)) (A, B, C, D, E, F, G, H, I, J, time.Duration) {
start := time.Now()
a, b, c, d, e, f, g, h, i, j := cb()
return a, b, c, d, e, f, g, h, i, j, time.Since(start)
}

1149
vendor/github.com/samber/lo/tuples.go generated vendored Normal file

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189
vendor/github.com/samber/lo/type_manipulation.go generated vendored Normal file
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package lo
import "reflect"
// IsNil checks if a value is nil or if it's a reference type with a nil underlying value.
func IsNil(x any) bool {
defer func() { recover() }() // nolint:errcheck
return x == nil || reflect.ValueOf(x).IsNil()
}
// IsNotNil checks if a value is not nil or if it's not a reference type with a nil underlying value.
func IsNotNil(x any) bool {
return !IsNil(x)
}
// ToPtr returns a pointer copy of value.
func ToPtr[T any](x T) *T {
return &x
}
// Nil returns a nil pointer of type.
func Nil[T any]() *T {
return nil
}
// EmptyableToPtr returns a pointer copy of value if it's nonzero.
// Otherwise, returns nil pointer.
func EmptyableToPtr[T any](x T) *T {
// 🤮
isZero := reflect.ValueOf(&x).Elem().IsZero()
if isZero {
return nil
}
return &x
}
// FromPtr returns the pointer value or empty.
func FromPtr[T any](x *T) T {
if x == nil {
return Empty[T]()
}
return *x
}
// FromPtrOr returns the pointer value or the fallback value.
func FromPtrOr[T any](x *T, fallback T) T {
if x == nil {
return fallback
}
return *x
}
// ToSlicePtr returns a slice of pointer copy of value.
func ToSlicePtr[T any](collection []T) []*T {
result := make([]*T, len(collection))
for i := range collection {
result[i] = &collection[i]
}
return result
}
// FromSlicePtr returns a slice with the pointer values.
// Returns a zero value in case of a nil pointer element.
func FromSlicePtr[T any](collection []*T) []T {
return Map(collection, func(x *T, _ int) T {
if x == nil {
return Empty[T]()
}
return *x
})
}
// FromSlicePtrOr returns a slice with the pointer values or the fallback value.
// Play: https://go.dev/play/p/lbunFvzlUDX
func FromSlicePtrOr[T any](collection []*T, fallback T) []T {
return Map(collection, func(x *T, _ int) T {
if x == nil {
return fallback
}
return *x
})
}
// ToAnySlice returns a slice with all elements mapped to `any` type
func ToAnySlice[T any](collection []T) []any {
result := make([]any, len(collection))
for i := range collection {
result[i] = collection[i]
}
return result
}
// FromAnySlice returns an `any` slice with all elements mapped to a type.
// Returns false in case of type conversion failure.
func FromAnySlice[T any](in []any) (out []T, ok bool) {
defer func() {
if r := recover(); r != nil {
out = []T{}
ok = false
}
}()
result := make([]T, len(in))
for i := range in {
result[i] = in[i].(T)
}
return result, true
}
// Empty returns the zero value (https://go.dev/ref/spec#The_zero_value).
func Empty[T any]() T {
var zero T
return zero
}
// IsEmpty returns true if argument is a zero value.
func IsEmpty[T comparable](v T) bool {
var zero T
return zero == v
}
// IsNotEmpty returns true if argument is not a zero value.
func IsNotEmpty[T comparable](v T) bool {
var zero T
return zero != v
}
// Coalesce returns the first non-empty arguments. Arguments must be comparable.
func Coalesce[T comparable](values ...T) (result T, ok bool) {
for i := range values {
if values[i] != result {
result = values[i]
ok = true
return
}
}
return
}
// CoalesceOrEmpty returns the first non-empty arguments. Arguments must be comparable.
func CoalesceOrEmpty[T comparable](v ...T) T {
result, _ := Coalesce(v...)
return result
}
// CoalesceSlice returns the first non-zero slice.
func CoalesceSlice[T any](v ...[]T) ([]T, bool) {
for i := range v {
if v[i] != nil && len(v[i]) > 0 {
return v[i], true
}
}
return []T{}, false
}
// CoalesceSliceOrEmpty returns the first non-zero slice.
func CoalesceSliceOrEmpty[T any](v ...[]T) []T {
for i := range v {
if v[i] != nil && len(v[i]) > 0 {
return v[i]
}
}
return []T{}
}
// CoalesceMap returns the first non-zero map.
func CoalesceMap[K comparable, V any](v ...map[K]V) (map[K]V, bool) {
for i := range v {
if v[i] != nil && len(v[i]) > 0 {
return v[i], true
}
}
return map[K]V{}, false
}
// CoalesceMapOrEmpty returns the first non-zero map.
func CoalesceMapOrEmpty[K comparable, V any](v ...map[K]V) map[K]V {
for i := range v {
if v[i] != nil && len(v[i]) > 0 {
return v[i]
}
}
return map[K]V{}
}

123
vendor/github.com/samber/lo/types.go generated vendored Normal file
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package lo
// Entry defines a key/value pairs.
type Entry[K comparable, V any] struct {
Key K
Value V
}
// Tuple2 is a group of 2 elements (pair).
type Tuple2[A, B any] struct {
A A
B B
}
// Unpack returns values contained in tuple.
func (t Tuple2[A, B]) Unpack() (A, B) {
return t.A, t.B
}
// Tuple3 is a group of 3 elements.
type Tuple3[A, B, C any] struct {
A A
B B
C C
}
// Unpack returns values contained in tuple.
func (t Tuple3[A, B, C]) Unpack() (A, B, C) {
return t.A, t.B, t.C
}
// Tuple4 is a group of 4 elements.
type Tuple4[A, B, C, D any] struct {
A A
B B
C C
D D
}
// Unpack returns values contained in tuple.
func (t Tuple4[A, B, C, D]) Unpack() (A, B, C, D) {
return t.A, t.B, t.C, t.D
}
// Tuple5 is a group of 5 elements.
type Tuple5[A, B, C, D, E any] struct {
A A
B B
C C
D D
E E
}
// Unpack returns values contained in tuple.
func (t Tuple5[A, B, C, D, E]) Unpack() (A, B, C, D, E) {
return t.A, t.B, t.C, t.D, t.E
}
// Tuple6 is a group of 6 elements.
type Tuple6[A, B, C, D, E, F any] struct {
A A
B B
C C
D D
E E
F F
}
// Unpack returns values contained in tuple.
func (t Tuple6[A, B, C, D, E, F]) Unpack() (A, B, C, D, E, F) {
return t.A, t.B, t.C, t.D, t.E, t.F
}
// Tuple7 is a group of 7 elements.
type Tuple7[A, B, C, D, E, F, G any] struct {
A A
B B
C C
D D
E E
F F
G G
}
// Unpack returns values contained in tuple.
func (t Tuple7[A, B, C, D, E, F, G]) Unpack() (A, B, C, D, E, F, G) {
return t.A, t.B, t.C, t.D, t.E, t.F, t.G
}
// Tuple8 is a group of 8 elements.
type Tuple8[A, B, C, D, E, F, G, H any] struct {
A A
B B
C C
D D
E E
F F
G G
H H
}
// Unpack returns values contained in tuple.
func (t Tuple8[A, B, C, D, E, F, G, H]) Unpack() (A, B, C, D, E, F, G, H) {
return t.A, t.B, t.C, t.D, t.E, t.F, t.G, t.H
}
// Tuple9 is a group of 9 elements.
type Tuple9[A, B, C, D, E, F, G, H, I any] struct {
A A
B B
C C
D D
E E
F F
G G
H H
I I
}
// Unpack returns values contained in tuple.
func (t Tuple9[A, B, C, D, E, F, G, H, I]) Unpack() (A, B, C, D, E, F, G, H, I) {
return t.A, t.B, t.C, t.D, t.E, t.F, t.G, t.H, t.I
}