82 lines
2 KiB
JavaScript
82 lines
2 KiB
JavaScript
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/*
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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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"use strict";
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const util = require("util");
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const SyncBailHook = require("./SyncBailHook");
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function Tapable() {
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this._pluginCompat = new SyncBailHook(["options"]);
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this._pluginCompat.tap(
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{
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name: "Tapable camelCase",
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stage: 100
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},
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options => {
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options.names.add(
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options.name.replace(/[- ]([a-z])/g, (str, ch) => ch.toUpperCase())
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);
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}
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);
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this._pluginCompat.tap(
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{
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name: "Tapable this.hooks",
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stage: 200
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},
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options => {
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let hook;
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for (const name of options.names) {
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hook = this.hooks[name];
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if (hook !== undefined) {
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break;
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}
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}
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if (hook !== undefined) {
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const tapOpt = {
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name: options.fn.name || "unnamed compat plugin",
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stage: options.stage || 0
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};
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if (options.async) hook.tapAsync(tapOpt, options.fn);
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else hook.tap(tapOpt, options.fn);
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return true;
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}
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}
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);
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}
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module.exports = Tapable;
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Tapable.addCompatLayer = function addCompatLayer(instance) {
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Tapable.call(instance);
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instance.plugin = Tapable.prototype.plugin;
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instance.apply = Tapable.prototype.apply;
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};
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Tapable.prototype.plugin = util.deprecate(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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const result = this._pluginCompat.call({
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name: name,
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fn: fn,
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names: new Set([name])
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});
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if (!result) {
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throw new Error(
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`Plugin could not be registered at '${name}'. Hook was not found.\n` +
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"BREAKING CHANGE: There need to exist a hook at 'this.hooks'. " +
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"To create a compatibility layer for this hook, hook into 'this._pluginCompat'."
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);
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}
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}, "Tapable.plugin is deprecated. Use new API on `.hooks` instead");
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Tapable.prototype.apply = util.deprecate(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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}, "Tapable.apply is deprecated. Call apply on the plugin directly instead");
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