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-rw-r--r--build-es/priorityQueue.js72
1 files changed, 0 insertions, 72 deletions
diff --git a/build-es/priorityQueue.js b/build-es/priorityQueue.js
deleted file mode 100644
index b22e96f..0000000
--- a/build-es/priorityQueue.js
+++ /dev/null
@@ -1,72 +0,0 @@
-'use strict';
-
-import arrayEach from 'lodash-es/_arrayEach';
-import isArray from 'lodash-es/isArray';
-import noop from 'lodash-es/noop';
-
-import setImmediate from './setImmediate';
-
-import queue from './queue';
-
-export default function(worker, concurrency) {
- function _compareTasks(a, b) {
- return a.priority - b.priority;
- }
-
- function _binarySearch(sequence, item, compare) {
- var beg = -1,
- end = sequence.length - 1;
- while (beg < end) {
- var mid = beg + ((end - beg + 1) >>> 1);
- if (compare(item, sequence[mid]) >= 0) {
- beg = mid;
- } else {
- end = mid - 1;
- }
- }
- return beg;
- }
-
- function _insert(q, data, priority, callback) {
- if (callback != null && typeof callback !== 'function') {
- throw new Error('task callback must be a function');
- }
- q.started = true;
- if (!isArray(data)) {
- data = [data];
- }
- if (data.length === 0) {
- // call drain immediately if there are no tasks
- return setImmediate(function() {
- q.drain();
- });
- }
- arrayEach(data, function(task) {
- var item = {
- data: task,
- priority: priority,
- callback: typeof callback === 'function' ? callback : noop
- };
-
- q.tasks.splice(_binarySearch(q.tasks, item, _compareTasks) + 1, 0, item);
-
- if (q.tasks.length === q.concurrency) {
- q.saturated();
- }
- setImmediate(q.process);
- });
- }
-
- // Start with a normal queue
- var q = queue(worker, concurrency);
-
- // Override push to accept second parameter representing priority
- q.push = function(data, priority, callback) {
- _insert(q, data, priority, callback);
- };
-
- // Remove unshift function
- delete q.unshift;
-
- return q;
-}