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