forked from enviPath/enviPy
34 lines
727 B
JavaScript
34 lines
727 B
JavaScript
'use strict';
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var callable = require('es5-ext/object/valid-callable')
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, validTimeout = require('./valid-timeout')
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, apply = Function.prototype.apply;
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module.exports = function (fn, timeout) {
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var isScheduled = false, context, args, run;
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callable(fn);
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timeout = validTimeout(timeout);
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run = function () {
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var currentContext = context, currentArgs = args;
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if (!args) {
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isScheduled = false;
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return;
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}
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context = null;
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args = null;
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setTimeout(run, timeout);
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apply.call(fn, currentContext, currentArgs);
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};
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return function () {
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if (isScheduled) {
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context = this;
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args = arguments;
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return;
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}
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isScheduled = true;
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setTimeout(run, timeout);
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apply.call(fn, this, arguments);
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};
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};
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