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authorGravatar Piotr Russ <mail@pruss.it> 2020-11-18 23:26:45 +0100
committerGravatar Piotr Russ <mail@pruss.it> 2020-11-18 23:26:45 +0100
commit81ddf9b700bc48a1f8e472209f080f9c1d9a9b09 (patch)
tree8b959d50c5a614cbf9fcb346ed556140374d4b6d /node_modules/tapable/lib/Hook.js
parent1870f3fdf43707a15fda0f609a021f516f45eb63 (diff)
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-rw-r--r--node_modules/tapable/lib/Hook.js176
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diff --git a/node_modules/tapable/lib/Hook.js b/node_modules/tapable/lib/Hook.js
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--- a/node_modules/tapable/lib/Hook.js
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-/*
- MIT License http://www.opensource.org/licenses/mit-license.php
- Author Tobias Koppers @sokra
-*/
-"use strict";
-
-class Hook {
- constructor(args) {
- if (!Array.isArray(args)) args = [];
- this._args = args;
- this.taps = [];
- this.interceptors = [];
- this.call = this._call;
- this.promise = this._promise;
- this.callAsync = this._callAsync;
- this._x = undefined;
- }
-
- compile(options) {
- throw new Error("Abstract: should be overriden");
- }
-
- _createCall(type) {
- return this.compile({
- taps: this.taps,
- interceptors: this.interceptors,
- args: this._args,
- type: type
- });
- }
-
- tap(options, fn) {
- if (typeof options === "string") options = { name: options };
- if (typeof options !== "object" || options === null)
- throw new Error(
- "Invalid arguments to tap(options: Object, fn: function)"
- );
- options = Object.assign({ type: "sync", fn: fn }, options);
- if (typeof options.name !== "string" || options.name === "")
- throw new Error("Missing name for tap");
- options = this._runRegisterInterceptors(options);
- this._insert(options);
- }
-
- tapAsync(options, fn) {
- if (typeof options === "string") options = { name: options };
- if (typeof options !== "object" || options === null)
- throw new Error(
- "Invalid arguments to tapAsync(options: Object, fn: function)"
- );
- options = Object.assign({ type: "async", fn: fn }, options);
- if (typeof options.name !== "string" || options.name === "")
- throw new Error("Missing name for tapAsync");
- options = this._runRegisterInterceptors(options);
- this._insert(options);
- }
-
- tapPromise(options, fn) {
- if (typeof options === "string") options = { name: options };
- if (typeof options !== "object" || options === null)
- throw new Error(
- "Invalid arguments to tapPromise(options: Object, fn: function)"
- );
- options = Object.assign({ type: "promise", fn: fn }, options);
- if (typeof options.name !== "string" || options.name === "")
- throw new Error("Missing name for tapPromise");
- options = this._runRegisterInterceptors(options);
- this._insert(options);
- }
-
- _runRegisterInterceptors(options) {
- for (const interceptor of this.interceptors) {
- if (interceptor.register) {
- const newOptions = interceptor.register(options);
- if (newOptions !== undefined) options = newOptions;
- }
- }
- return options;
- }
-
- withOptions(options) {
- const mergeOptions = opt =>
- Object.assign({}, options, typeof opt === "string" ? { name: opt } : opt);
-
- // Prevent creating endless prototype chains
- options = Object.assign({}, options, this._withOptions);
- const base = this._withOptionsBase || this;
- const newHook = Object.create(base);
-
- (newHook.tapAsync = (opt, fn) => base.tapAsync(mergeOptions(opt), fn)),
- (newHook.tap = (opt, fn) => base.tap(mergeOptions(opt), fn));
- newHook.tapPromise = (opt, fn) => base.tapPromise(mergeOptions(opt), fn);
- newHook._withOptions = options;
- newHook._withOptionsBase = base;
- return newHook;
- }
-
- isUsed() {
- return this.taps.length > 0 || this.interceptors.length > 0;
- }
-
- intercept(interceptor) {
- this._resetCompilation();
- this.interceptors.push(Object.assign({}, interceptor));
- if (interceptor.register) {
- for (let i = 0; i < this.taps.length; i++)
- this.taps[i] = interceptor.register(this.taps[i]);
- }
- }
-
- _resetCompilation() {
- this.call = this._call;
- this.callAsync = this._callAsync;
- this.promise = this._promise;
- }
-
- _insert(item) {
- this._resetCompilation();
- let before;
- if (typeof item.before === "string") before = new Set([item.before]);
- else if (Array.isArray(item.before)) {
- before = new Set(item.before);
- }
- let stage = 0;
- if (typeof item.stage === "number") stage = item.stage;
- let i = this.taps.length;
- while (i > 0) {
- i--;
- const x = this.taps[i];
- this.taps[i + 1] = x;
- const xStage = x.stage || 0;
- if (before) {
- if (before.has(x.name)) {
- before.delete(x.name);
- continue;
- }
- if (before.size > 0) {
- continue;
- }
- }
- if (xStage > stage) {
- continue;
- }
- i++;
- break;
- }
- this.taps[i] = item;
- }
-}
-
-function createCompileDelegate(name, type) {
- return function lazyCompileHook(...args) {
- this[name] = this._createCall(type);
- return this[name](...args);
- };
-}
-
-Object.defineProperties(Hook.prototype, {
- _call: {
- value: createCompileDelegate("call", "sync"),
- configurable: true,
- writable: true
- },
- _promise: {
- value: createCompileDelegate("promise", "promise"),
- configurable: true,
- writable: true
- },
- _callAsync: {
- value: createCompileDelegate("callAsync", "async"),
- configurable: true,
- writable: true
- }
-});
-
-module.exports = Hook;