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authorJoel Kronqvist <joel.h.kronqvist@gmail.com>2022-03-05 19:02:27 +0200
committerJoel Kronqvist <joel.h.kronqvist@gmail.com>2022-03-05 19:02:27 +0200
commit5d309ff52cd399a6b71968a6b9a70c8ac0b98981 (patch)
tree360f7eb50f956e2367ef38fa1fc6ac7ac5258042 /node_modules/ws/lib/limiter.js
parentb500a50f1b97d93c98b36ed9a980f8188d648147 (diff)
downloadLYLLRuoka-5d309ff52cd399a6b71968a6b9a70c8ac0b98981.tar.gz
LYLLRuoka-5d309ff52cd399a6b71968a6b9a70c8ac0b98981.zip
Added node_modules for the updating to work properly.
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+'use strict';
+
+const kDone = Symbol('kDone');
+const kRun = Symbol('kRun');
+
+/**
+ * A very simple job queue with adjustable concurrency. Adapted from
+ * https://github.com/STRML/async-limiter
+ */
+class Limiter {
+ /**
+ * Creates a new `Limiter`.
+ *
+ * @param {Number} [concurrency=Infinity] The maximum number of jobs allowed
+ * to run concurrently
+ */
+ constructor(concurrency) {
+ this[kDone] = () => {
+ this.pending--;
+ this[kRun]();
+ };
+ this.concurrency = concurrency || Infinity;
+ this.jobs = [];
+ this.pending = 0;
+ }
+
+ /**
+ * Adds a job to the queue.
+ *
+ * @param {Function} job The job to run
+ * @public
+ */
+ add(job) {
+ this.jobs.push(job);
+ this[kRun]();
+ }
+
+ /**
+ * Removes a job from the queue and runs it if possible.
+ *
+ * @private
+ */
+ [kRun]() {
+ if (this.pending === this.concurrency) return;
+
+ if (this.jobs.length) {
+ const job = this.jobs.shift();
+
+ this.pending++;
+ job(this[kDone]);
+ }
+ }
+}
+
+module.exports = Limiter;