66 lines
1.7 KiB
JavaScript
66 lines
1.7 KiB
JavaScript
'use strict';
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var slice = [].slice;
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const v8Util = process.atomBinding('v8_util');
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class CallbacksRegistry {
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constructor() {
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this.nextId = 0;
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this.callbacks = {};
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}
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add(callback) {
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// The callback is already added.
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var filenameAndLine, id, location, match, ref, regexp, stackString;
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id = v8Util.getHiddenValue(callback, 'callbackId');
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if (id != null) {
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return id;
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}
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id = ++this.nextId;
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// Capture the location of the function and put it in the ID string,
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// so that release errors can be tracked down easily.
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regexp = /at (.*)/gi;
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stackString = (new Error).stack;
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while ((match = regexp.exec(stackString)) !== null) {
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location = match[1];
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if (location.indexOf('(native)') !== -1) {
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continue;
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}
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if (location.indexOf('atom.asar') !== -1) {
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continue;
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}
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ref = /([^\/^\)]*)\)?$/gi.exec(location);
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filenameAndLine = ref[1];
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break;
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}
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this.callbacks[id] = callback;
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v8Util.setHiddenValue(callback, 'callbackId', id);
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v8Util.setHiddenValue(callback, 'location', filenameAndLine);
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return id;
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}
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get(id) {
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var ref;
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return (ref = this.callbacks[id]) != null ? ref : function() {};
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}
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call() {
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var args, id, ref;
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id = arguments[0], args = 2 <= arguments.length ? slice.call(arguments, 1) : [];
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return (ref = this.get(id)).call.apply(ref, [global].concat(slice.call(args)));
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}
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apply() {
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var args, id, ref;
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id = arguments[0], args = 2 <= arguments.length ? slice.call(arguments, 1) : [];
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return (ref = this.get(id)).apply.apply(ref, [global].concat(slice.call(args)));
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}
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remove(id) {
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return delete this.callbacks[id];
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}
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}
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module.exports = CallbacksRegistry;
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