schedulers-fix.js
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schedulers-fix.js
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	var global = require('../internals/global');
	var apply = require('../internals/function-apply');
	var isCallable = require('../internals/is-callable');
	var userAgent = require('../internals/engine-user-agent');
	var arraySlice = require('../internals/array-slice');
	var validateArgumentsLength = require('../internals/validate-arguments-length');

	var MSIE = /MSIE .\./.test(userAgent); // <- dirty ie9- check
	var Function = global.Function;

	var wrap = function (scheduler) {
	return MSIE ? function (handler, timeout /* , ...arguments */) {
	var boundArgs = validateArgumentsLength(arguments.length, 1) > 2;
	var fn = isCallable(handler) ? handler : Function(handler);
	var args = boundArgs ? arraySlice(arguments, 2) : undefined;
	return scheduler(boundArgs ? function () {
	apply(fn, this, args);
	} : fn, timeout);
	} : scheduler;
	};

	// ie9- setTimeout & setInterval additional parameters fix
	// https://html.spec.whatwg.org/multipage/timers-and-user-prompts.html#timers
	module.exports = {
	// `setTimeout` method
	// https://html.spec.whatwg.org/multipage/timers-and-user-prompts.html#dom-settimeout
	setTimeout: wrap(global.setTimeout),
	// `setInterval` method
	// https://html.spec.whatwg.org/multipage/timers-and-user-prompts.html#dom-setinterval
	setInterval: wrap(global.setInterval)
	};