139 lines
3.3 KiB
JavaScript
139 lines
3.3 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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"use strict";
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const Dependency = require("../Dependency");
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const DependencyTemplate = require("../DependencyTemplate");
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const makeSerializable = require("../util/makeSerializable");
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const memoize = require("../util/memoize");
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/** @typedef {import("../ContextModule").ContextOptions} ContextOptions */
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/** @typedef {import("../ModuleGraph")} ModuleGraph */
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/** @typedef {import("../WebpackError")} WebpackError */
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const getCriticalDependencyWarning = memoize(() =>
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require("./CriticalDependencyWarning")
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);
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/** @typedef {ContextOptions & { request: string }} ContextDependencyOptions */
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const regExpToString = r => (r ? r + "" : "");
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class ContextDependency extends Dependency {
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/**
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* @param {ContextDependencyOptions} options options for the context module
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*/
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constructor(options) {
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super();
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this.options = options;
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this.userRequest = this.options && this.options.request;
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/** @type {false | string} */
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this.critical = false;
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this.hadGlobalOrStickyRegExp = false;
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if (
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this.options &&
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(this.options.regExp.global || this.options.regExp.sticky)
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) {
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this.options = { ...this.options, regExp: null };
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this.hadGlobalOrStickyRegExp = true;
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}
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this.request = undefined;
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this.range = undefined;
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this.valueRange = undefined;
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// TODO refactor this
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this.replaces = undefined;
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}
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get category() {
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return "commonjs";
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}
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/**
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* @returns {string | null} an identifier to merge equal requests
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*/
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getResourceIdentifier() {
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return (
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`context${this.options.request} ${this.options.recursive} ` +
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`${regExpToString(this.options.regExp)} ${regExpToString(
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this.options.include
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)} ${regExpToString(this.options.exclude)} ` +
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`${this.options.mode} ${this.options.chunkName} ` +
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`${JSON.stringify(this.options.groupOptions)}`
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);
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}
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/**
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* Returns warnings
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* @param {ModuleGraph} moduleGraph module graph
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* @returns {WebpackError[]} warnings
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*/
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getWarnings(moduleGraph) {
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let warnings = super.getWarnings(moduleGraph);
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if (this.critical) {
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if (!warnings) warnings = [];
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const CriticalDependencyWarning = getCriticalDependencyWarning();
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warnings.push(new CriticalDependencyWarning(this.critical));
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}
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if (this.hadGlobalOrStickyRegExp) {
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if (!warnings) warnings = [];
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const CriticalDependencyWarning = getCriticalDependencyWarning();
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warnings.push(
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new CriticalDependencyWarning(
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"Contexts can't use RegExps with the 'g' or 'y' flags."
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)
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);
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}
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return warnings;
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}
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serialize(context) {
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const { write } = context;
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write(this.options);
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write(this.userRequest);
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write(this.critical);
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write(this.hadGlobalOrStickyRegExp);
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write(this.request);
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write(this.range);
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write(this.valueRange);
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write(this.prepend);
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write(this.replaces);
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super.serialize(context);
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}
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deserialize(context) {
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const { read } = context;
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this.options = read();
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this.userRequest = read();
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this.critical = read();
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this.hadGlobalOrStickyRegExp = read();
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this.request = read();
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this.range = read();
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this.valueRange = read();
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this.prepend = read();
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this.replaces = read();
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super.deserialize(context);
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}
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}
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makeSerializable(
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ContextDependency,
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"webpack/lib/dependencies/ContextDependency"
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);
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ContextDependency.Template = DependencyTemplate;
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module.exports = ContextDependency;
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