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- /*
- MIT License http://www.opensource.org/licenses/mit-license.php
- Author Ivan Kopeykin @vankop
- */
- "use strict";
- const makeSerializable = require("../util/makeSerializable");
- const memoize = require("../util/memoize");
- const ModuleDependency = require("./ModuleDependency");
- /** @typedef {import("webpack-sources").ReplaceSource} ReplaceSource */
- /** @typedef {import("../ChunkGraph")} ChunkGraph */
- /** @typedef {import("../Dependency")} Dependency */
- /** @typedef {import("../Dependency").UpdateHashContext} UpdateHashContext */
- /** @typedef {import("../DependencyTemplate").DependencyTemplateContext} DependencyTemplateContext */
- /** @typedef {import("../Module")} Module */
- /** @typedef {import("../ModuleGraph")} ModuleGraph */
- /** @typedef {import("../ModuleGraphConnection")} ModuleGraphConnection */
- /** @typedef {import("../ModuleGraphConnection").ConnectionState} ConnectionState */
- /** @typedef {import("../util/Hash")} Hash */
- /** @typedef {import("../util/runtime").RuntimeSpec} RuntimeSpec */
- const getRawDataUrlModule = memoize(() => require("../asset/RawDataUrlModule"));
- class CssUrlDependency extends ModuleDependency {
- /**
- * @param {string} request request
- * @param {[number, number]} range range of the argument
- * @param {string} cssFunctionKind kind of css function, e. g. url(), image()
- */
- constructor(request, range, cssFunctionKind) {
- super(request);
- this.range = range;
- this.cssFunctionKind = cssFunctionKind;
- }
- get type() {
- return "css url()";
- }
- get category() {
- return "url";
- }
- /**
- * @param {string} context context directory
- * @returns {Module} a module
- */
- createIgnoredModule(context) {
- const RawDataUrlModule = getRawDataUrlModule();
- return new RawDataUrlModule("data:,", `ignored-asset`, `(ignored asset)`);
- }
- serialize(context) {
- const { write } = context;
- write(this.cssFunctionKind);
- super.serialize(context);
- }
- deserialize(context) {
- const { read } = context;
- this.cssFunctionKind = read();
- super.deserialize(context);
- }
- }
- const cssEscapeString = str => {
- let countWhiteOrBracket = 0;
- let countQuotation = 0;
- let countApostrophe = 0;
- for (let i = 0; i < str.length; i++) {
- const cc = str.charCodeAt(i);
- switch (cc) {
- case 9: // tab
- case 10: // nl
- case 32: // space
- case 40: // (
- case 41: // )
- countWhiteOrBracket++;
- break;
- case 34:
- countQuotation++;
- break;
- case 39:
- countApostrophe++;
- break;
- }
- }
- if (countWhiteOrBracket < 2) {
- return str.replace(/[\n\t ()'"\\]/g, m => `\\${m}`);
- } else if (countQuotation <= countApostrophe) {
- return `"${str.replace(/[\n"\\]/g, m => `\\${m}`)}"`;
- } else {
- return `'${str.replace(/[\n'\\]/g, m => `\\${m}`)}'`;
- }
- };
- CssUrlDependency.Template = class CssUrlDependencyTemplate extends (
- ModuleDependency.Template
- ) {
- /**
- * @param {Dependency} dependency the dependency for which the template should be applied
- * @param {ReplaceSource} source the current replace source which can be modified
- * @param {DependencyTemplateContext} templateContext the context object
- * @returns {void}
- */
- apply(
- dependency,
- source,
- { runtime, moduleGraph, runtimeTemplate, codeGenerationResults }
- ) {
- const dep = /** @type {CssUrlDependency} */ (dependency);
- source.replace(
- dep.range[0],
- dep.range[1] - 1,
- `${dep.cssFunctionKind}(${cssEscapeString(
- runtimeTemplate.assetUrl({
- publicPath: "",
- runtime,
- module: moduleGraph.getModule(dep),
- codeGenerationResults
- })
- )})`
- );
- }
- };
- makeSerializable(CssUrlDependency, "webpack/lib/dependencies/CssUrlDependency");
- module.exports = CssUrlDependency;
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