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authorGravatar Piotr Russ <mail@pruss.it> 2020-11-18 23:26:45 +0100
committerGravatar Piotr Russ <mail@pruss.it> 2020-11-18 23:26:45 +0100
commit81ddf9b700bc48a1f8e472209f080f9c1d9a9b09 (patch)
tree8b959d50c5a614cbf9fcb346ed556140374d4b6d /node_modules/fastq/queue.js
parent1870f3fdf43707a15fda0f609a021f516f45eb63 (diff)
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rm node_modules
Diffstat (limited to 'node_modules/fastq/queue.js')
-rw-r--r--node_modules/fastq/queue.js199
1 files changed, 0 insertions, 199 deletions
diff --git a/node_modules/fastq/queue.js b/node_modules/fastq/queue.js
deleted file mode 100644
index 397a331..0000000
--- a/node_modules/fastq/queue.js
+++ /dev/null
@@ -1,199 +0,0 @@
-'use strict'
-
-var reusify = require('reusify')
-
-function fastqueue (context, worker, concurrency) {
- if (typeof context === 'function') {
- concurrency = worker
- worker = context
- context = null
- }
-
- var cache = reusify(Task)
- var queueHead = null
- var queueTail = null
- var _running = 0
- var errorHandler = null
-
- var self = {
- push: push,
- drain: noop,
- saturated: noop,
- pause: pause,
- paused: false,
- concurrency: concurrency,
- running: running,
- resume: resume,
- idle: idle,
- length: length,
- getQueue: getQueue,
- unshift: unshift,
- empty: noop,
- kill: kill,
- killAndDrain: killAndDrain,
- error: error
- }
-
- return self
-
- function running () {
- return _running
- }
-
- function pause () {
- self.paused = true
- }
-
- function length () {
- var current = queueHead
- var counter = 0
-
- while (current) {
- current = current.next
- counter++
- }
-
- return counter
- }
-
- function getQueue () {
- var current = queueHead
- var tasks = []
-
- while (current) {
- tasks.push(current.value)
- current = current.next
- }
-
- return tasks
- }
-
- function resume () {
- if (!self.paused) return
- self.paused = false
- for (var i = 0; i < self.concurrency; i++) {
- _running++
- release()
- }
- }
-
- function idle () {
- return _running === 0 && self.length() === 0
- }
-
- function push (value, done) {
- var current = cache.get()
-
- current.context = context
- current.release = release
- current.value = value
- current.callback = done || noop
- current.errorHandler = errorHandler
-
- if (_running === self.concurrency || self.paused) {
- if (queueTail) {
- queueTail.next = current
- queueTail = current
- } else {
- queueHead = current
- queueTail = current
- self.saturated()
- }
- } else {
- _running++
- worker.call(context, current.value, current.worked)
- }
- }
-
- function unshift (value, done) {
- var current = cache.get()
-
- current.context = context
- current.release = release
- current.value = value
- current.callback = done || noop
-
- if (_running === self.concurrency || self.paused) {
- if (queueHead) {
- current.next = queueHead
- queueHead = current
- } else {
- queueHead = current
- queueTail = current
- self.saturated()
- }
- } else {
- _running++
- worker.call(context, current.value, current.worked)
- }
- }
-
- function release (holder) {
- if (holder) {
- cache.release(holder)
- }
- var next = queueHead
- if (next) {
- if (!self.paused) {
- if (queueTail === queueHead) {
- queueTail = null
- }
- queueHead = next.next
- next.next = null
- worker.call(context, next.value, next.worked)
- if (queueTail === null) {
- self.empty()
- }
- } else {
- _running--
- }
- } else if (--_running === 0) {
- self.drain()
- }
- }
-
- function kill () {
- queueHead = null
- queueTail = null
- self.drain = noop
- }
-
- function killAndDrain () {
- queueHead = null
- queueTail = null
- self.drain()
- self.drain = noop
- }
-
- function error (handler) {
- errorHandler = handler
- }
-}
-
-function noop () {}
-
-function Task () {
- this.value = null
- this.callback = noop
- this.next = null
- this.release = noop
- this.context = null
- this.errorHandler = null
-
- var self = this
-
- this.worked = function worked (err, result) {
- var callback = self.callback
- var errorHandler = self.errorHandler
- var val = self.value
- self.value = null
- self.callback = noop
- if (self.errorHandler) {
- errorHandler(err, val)
- }
- callback.call(self.context, err, result)
- self.release(self)
- }
-}
-
-module.exports = fastqueue