120 lines
3.0 KiB
JavaScript
120 lines
3.0 KiB
JavaScript
/*
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MIT License http://www.opensource.org/licenses/mit-license.php
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Author Ivan Kopeykin @vankop
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*/
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"use strict";
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const makeSerializable = require("../util/makeSerializable");
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const NullDependency = require("./NullDependency");
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/** @typedef {import("webpack-sources").ReplaceSource} ReplaceSource */
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/** @typedef {import("../Dependency")} Dependency */
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/** @typedef {import("../Dependency").ExportsSpec} ExportsSpec */
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/** @typedef {import("../DependencyTemplate").CssDependencyTemplateContext} DependencyTemplateContext */
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/** @typedef {import("../ModuleGraph")} ModuleGraph */
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class CssLocalIdentifierDependency extends NullDependency {
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/**
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* @param {string} name name
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* @param {[number, number]} range range
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* @param {string=} prefix prefix
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*/
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constructor(name, range, prefix = "") {
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super();
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this.name = name;
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this.range = range;
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this.prefix = prefix;
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}
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get type() {
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return "css local identifier";
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}
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/**
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* Returns the exported names
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* @param {ModuleGraph} moduleGraph module graph
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* @returns {ExportsSpec | undefined} export names
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*/
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getExports(moduleGraph) {
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const name = this.name;
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return {
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exports: [
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{
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name,
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canMangle: true
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}
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],
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dependencies: undefined
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};
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}
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serialize(context) {
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const { write } = context;
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write(this.name);
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write(this.range);
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write(this.prefix);
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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.name = read();
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this.range = read();
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this.prefix = read();
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super.deserialize(context);
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}
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}
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const escapeCssIdentifier = (str, omitUnderscore) => {
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const escaped = `${str}`.replace(
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// cspell:word uffff
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/[^a-zA-Z0-9_\u0081-\uffff-]/g,
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s => `\\${s}`
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);
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return !omitUnderscore && /^(?!--)[0-9-]/.test(escaped)
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? `_${escaped}`
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: escaped;
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};
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CssLocalIdentifierDependency.Template = class CssLocalIdentifierDependencyTemplate extends (
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NullDependency.Template
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) {
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/**
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* @param {Dependency} dependency the dependency for which the template should be applied
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* @param {ReplaceSource} source the current replace source which can be modified
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* @param {DependencyTemplateContext} templateContext the context object
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* @returns {void}
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*/
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apply(
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dependency,
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source,
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{ module, moduleGraph, chunkGraph, runtime, runtimeTemplate, cssExports }
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) {
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const dep = /** @type {CssLocalIdentifierDependency} */ (dependency);
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const used = moduleGraph
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.getExportInfo(module, dep.name)
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.getUsedName(dep.name, runtime);
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const moduleId = chunkGraph.getModuleId(module);
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const identifier =
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dep.prefix +
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(runtimeTemplate.outputOptions.uniqueName
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? runtimeTemplate.outputOptions.uniqueName + "-"
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: "") +
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(used ? moduleId + "-" + used : "-");
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source.replace(
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dep.range[0],
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dep.range[1] - 1,
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escapeCssIdentifier(identifier, dep.prefix)
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);
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if (used) cssExports.set(used, identifier);
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}
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};
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makeSerializable(
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CssLocalIdentifierDependency,
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"webpack/lib/dependencies/CssLocalIdentifierDependency"
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);
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module.exports = CssLocalIdentifierDependency;
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