378 lines
		
	
	
		
			11 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			378 lines
		
	
	
		
			11 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
/*
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	MIT License http://www.opensource.org/licenses/mit-license.php
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	Author Tobias Koppers @sokra
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*/
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// polyfill from https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/filter
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// using the polyfill specifically to avoid the call to `Object.defineProperty` for performance reasons
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function fastFilter(fun/*, thisArg*/) {
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	'use strict';
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	if (this === void 0 || this === null) {
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		throw new TypeError();
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	}
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	var t = Object(this);
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	var len = t.length >>> 0;
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	if (typeof fun !== 'function') {
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		throw new TypeError();
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	}
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	var res = [];
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	var thisArg = arguments.length >= 2 ? arguments[1] : void 0;
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	for (var i = 0; i < len; i++) {
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		if (i in t) {
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			var val = t[i];
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			// NOTE: Technically this should Object.defineProperty at
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			//       the next index, as push can be affected by
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			//       properties on Object.prototype and Array.prototype.
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			//       But that method's new, and collisions should be
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			//       rare, so use the more-compatible alternative.
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			if (fun.call(thisArg, val, i, t)) {
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				res.push(val);
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			}
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		}
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	}
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	return res;
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}
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function Tapable() {
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	this._plugins = {};
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}
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module.exports = Tapable;
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function copyProperties(from, to) {
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	for(var key in from)
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		to[key] = from[key];
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	return to;
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}
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Tapable.mixin = function mixinTapable(pt) {
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	copyProperties(Tapable.prototype, pt);
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};
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Tapable.prototype.applyPlugins = function applyPlugins(name) {
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	if(!this._plugins[name]) return;
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	var args = Array.prototype.slice.call(arguments, 1);
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	var plugins = this._plugins[name];
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	for(var i = 0; i < plugins.length; i++)
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		plugins[i].apply(this, args);
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};
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Tapable.prototype.applyPlugins0 = function applyPlugins0(name) {
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	var plugins = this._plugins[name];
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	if(!plugins) return;
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	for(var i = 0; i < plugins.length; i++)
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		plugins[i].call(this);
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};
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Tapable.prototype.applyPlugins1 = function applyPlugins1(name, param) {
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	var plugins = this._plugins[name];
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	if(!plugins) return;
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	for(var i = 0; i < plugins.length; i++)
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		plugins[i].call(this, param);
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};
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Tapable.prototype.applyPlugins2 = function applyPlugins2(name, param1, param2) {
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	var plugins = this._plugins[name];
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	if(!plugins) return;
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	for(var i = 0; i < plugins.length; i++)
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		plugins[i].call(this, param1, param2);
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};
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Tapable.prototype.applyPluginsWaterfall = function applyPluginsWaterfall(name, init) {
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	if(!this._plugins[name]) return init;
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	var args = Array.prototype.slice.call(arguments, 1);
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	var plugins = this._plugins[name];
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	var current = init;
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	for(var i = 0; i < plugins.length; i++) {
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		args[0] = current;
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		current = plugins[i].apply(this, args);
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	}
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	return current;
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};
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Tapable.prototype.applyPluginsWaterfall0 = function applyPluginsWaterfall0(name, init) {
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	var plugins = this._plugins[name];
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	if(!plugins) return init;
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	var current = init;
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	for(var i = 0; i < plugins.length; i++)
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		current = plugins[i].call(this, current);
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	return current;
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};
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Tapable.prototype.applyPluginsWaterfall1 = function applyPluginsWaterfall1(name, init, param) {
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	var plugins = this._plugins[name];
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	if(!plugins) return init;
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	var current = init;
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	for(var i = 0; i < plugins.length; i++)
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		current = plugins[i].call(this, current, param);
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	return current;
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};
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Tapable.prototype.applyPluginsWaterfall2 = function applyPluginsWaterfall2(name, init, param1, param2) {
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	var plugins = this._plugins[name];
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	if(!plugins) return init;
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	var current = init;
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	for(var i = 0; i < plugins.length; i++)
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		current = plugins[i].call(this, current, param1, param2);
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	return current;
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};
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Tapable.prototype.applyPluginsBailResult = function applyPluginsBailResult(name) {
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	if(!this._plugins[name]) return;
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	var args = Array.prototype.slice.call(arguments, 1);
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	var plugins = this._plugins[name];
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	for(var i = 0; i < plugins.length; i++) {
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		var result = plugins[i].apply(this, args);
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		if(typeof result !== "undefined") {
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			return result;
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		}
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	}
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};
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Tapable.prototype.applyPluginsBailResult1 = function applyPluginsBailResult1(name, param) {
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	if(!this._plugins[name]) return;
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	var plugins = this._plugins[name];
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	for(var i = 0; i < plugins.length; i++) {
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		var result = plugins[i].call(this, param);
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		if(typeof result !== "undefined") {
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			return result;
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		}
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	}
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};
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Tapable.prototype.applyPluginsBailResult2 = function applyPluginsBailResult2(name, param1, param2) {
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	if(!this._plugins[name]) return;
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	var plugins = this._plugins[name];
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	for(var i = 0; i < plugins.length; i++) {
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		var result = plugins[i].call(this, param1, param2);
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		if(typeof result !== "undefined") {
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			return result;
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		}
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	}
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};
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Tapable.prototype.applyPluginsBailResult3 = function applyPluginsBailResult3(name, param1, param2, param3) {
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	if(!this._plugins[name]) return;
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	var plugins = this._plugins[name];
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	for(var i = 0; i < plugins.length; i++) {
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		var result = plugins[i].call(this, param1, param2, param3);
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		if(typeof result !== "undefined") {
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			return result;
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		}
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	}
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};
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Tapable.prototype.applyPluginsBailResult4 = function applyPluginsBailResult4(name, param1, param2, param3, param4) {
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	if(!this._plugins[name]) return;
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	var plugins = this._plugins[name];
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	for(var i = 0; i < plugins.length; i++) {
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		var result = plugins[i].call(this, param1, param2, param3, param4);
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		if(typeof result !== "undefined") {
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			return result;
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		}
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	}
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};
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Tapable.prototype.applyPluginsBailResult5 = function applyPluginsBailResult5(name, param1, param2, param3, param4, param5) {
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	if(!this._plugins[name]) return;
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	var plugins = this._plugins[name];
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	for(var i = 0; i < plugins.length; i++) {
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		var result = plugins[i].call(this, param1, param2, param3, param4, param5);
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		if(typeof result !== "undefined") {
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			return result;
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		}
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	}
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};
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Tapable.prototype.applyPluginsAsyncSeries = Tapable.prototype.applyPluginsAsync = function applyPluginsAsyncSeries(name) {
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	var args = Array.prototype.slice.call(arguments, 1);
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	var callback = args.pop();
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	var plugins = this._plugins[name];
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	if(!plugins || plugins.length === 0) return callback();
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	var i = 0;
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	var _this = this;
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	args.push(copyProperties(callback, function next(err) {
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		if(err) return callback(err);
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		i++;
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		if(i >= plugins.length) {
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			return callback();
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		}
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		plugins[i].apply(_this, args);
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	}));
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	plugins[0].apply(this, args);
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};
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Tapable.prototype.applyPluginsAsyncSeries1 = function applyPluginsAsyncSeries1(name, param, callback) {
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	var plugins = this._plugins[name];
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	if(!plugins || plugins.length === 0) return callback();
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	var i = 0;
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	var _this = this;
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	var innerCallback = copyProperties(callback, function next(err) {
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		if(err) return callback(err);
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		i++;
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		if(i >= plugins.length) {
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			return callback();
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		}
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		plugins[i].call(_this, param, innerCallback);
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	});
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	plugins[0].call(this, param, innerCallback);
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};
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Tapable.prototype.applyPluginsAsyncSeriesBailResult = function applyPluginsAsyncSeriesBailResult(name) {
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	var args = Array.prototype.slice.call(arguments, 1);
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	var callback = args.pop();
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	if(!this._plugins[name] || this._plugins[name].length === 0) return callback();
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	var plugins = this._plugins[name];
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	var i = 0;
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	var _this = this;
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	args.push(copyProperties(callback, function next() {
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		if(arguments.length > 0) return callback.apply(null, arguments);
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		i++;
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		if(i >= plugins.length) {
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			return callback();
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		}
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		plugins[i].apply(_this, args);
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	}));
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	plugins[0].apply(this, args);
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};
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Tapable.prototype.applyPluginsAsyncSeriesBailResult1 = function applyPluginsAsyncSeriesBailResult1(name, param, callback) {
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	var plugins = this._plugins[name];
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	if(!plugins || plugins.length === 0) return callback();
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	var i = 0;
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	var _this = this;
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	var innerCallback = copyProperties(callback, function next(err, result) {
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		if(arguments.length > 0) return callback(err, result);
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		i++;
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		if(i >= plugins.length) {
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			return callback();
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		}
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		plugins[i].call(_this, param, innerCallback);
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	});
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	plugins[0].call(this, param, innerCallback);
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};
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Tapable.prototype.applyPluginsAsyncWaterfall = function applyPluginsAsyncWaterfall(name, init, callback) {
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	if(!this._plugins[name] || this._plugins[name].length === 0) return callback(null, init);
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	var plugins = this._plugins[name];
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	var i = 0;
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	var _this = this;
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	var next = copyProperties(callback, function(err, value) {
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		if(err) return callback(err);
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		i++;
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		if(i >= plugins.length) {
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			return callback(null, value);
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		}
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		plugins[i].call(_this, value, next);
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	});
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	plugins[0].call(this, init, next);
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};
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Tapable.prototype.applyPluginsParallel = function applyPluginsParallel(name) {
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	var args = Array.prototype.slice.call(arguments, 1);
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	var callback = args.pop();
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	if(!this._plugins[name] || this._plugins[name].length === 0) return callback();
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	var plugins = this._plugins[name];
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	var remaining = plugins.length;
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	args.push(copyProperties(callback, function(err) {
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		if(remaining < 0) return; // ignore
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		if(err) {
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			remaining = -1;
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			return callback(err);
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		}
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		remaining--;
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		if(remaining === 0) {
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			return callback();
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		}
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	}));
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	for(var i = 0; i < plugins.length; i++) {
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		plugins[i].apply(this, args);
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		if(remaining < 0) return;
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	}
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};
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Tapable.prototype.applyPluginsParallelBailResult = function applyPluginsParallelBailResult(name) {
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	var args = Array.prototype.slice.call(arguments, 1);
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	var callback = args[args.length - 1];
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	if(!this._plugins[name] || this._plugins[name].length === 0) return callback();
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	var plugins = this._plugins[name];
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	var currentPos = plugins.length;
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	var currentResult;
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	var done = [];
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	for(var i = 0; i < plugins.length; i++) {
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		args[args.length - 1] = (function(i) {
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			return copyProperties(callback, function() {
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				if(i >= currentPos) return; // ignore
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				done.push(i);
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				if(arguments.length > 0) {
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					currentPos = i + 1;
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					done = fastFilter.call(done, function(item) {
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						return item <= i;
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					});
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					currentResult = Array.prototype.slice.call(arguments);
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				}
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				if(done.length === currentPos) {
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					callback.apply(null, currentResult);
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					currentPos = 0;
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				}
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			});
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		}(i));
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		plugins[i].apply(this, args);
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	}
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};
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Tapable.prototype.applyPluginsParallelBailResult1 = function applyPluginsParallelBailResult1(name, param, callback) {
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	var plugins = this._plugins[name];
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	if(!plugins || plugins.length === 0) return callback();
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	var currentPos = plugins.length;
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	var currentResult;
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	var done = [];
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	for(var i = 0; i < plugins.length; i++) {
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		var innerCallback = (function(i) {
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			return copyProperties(callback, function() {
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				if(i >= currentPos) return; // ignore
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				done.push(i);
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				if(arguments.length > 0) {
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					currentPos = i + 1;
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					done = fastFilter.call(done, function(item) {
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						return item <= i;
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					});
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					currentResult = Array.prototype.slice.call(arguments);
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				}
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				if(done.length === currentPos) {
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					callback.apply(null, currentResult);
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					currentPos = 0;
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				}
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			});
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		}(i));
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		plugins[i].call(this, param, innerCallback);
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	}
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};
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Tapable.prototype.hasPlugins = function hasPlugins(name) {
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	var plugins = this._plugins[name];
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	return plugins && plugins.length > 0;
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};
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Tapable.prototype.plugin = function plugin(name, fn) {
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	if(Array.isArray(name)) {
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		name.forEach(function(name) {
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			this.plugin(name, fn);
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		}, this);
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		return;
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	}
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	if(!this._plugins[name]) this._plugins[name] = [fn];
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	else this._plugins[name].push(fn);
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};
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Tapable.prototype.apply = function apply() {
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	for(var i = 0; i < arguments.length; i++) {
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		arguments[i].apply(this);
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	}
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};
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