lanan-old/detection-user/node_modules/webpack/lib/dependencies/CssUrlDependency.js
愉快的大福 7dc28dc701 init
2024-07-17 14:16:22 +08:00

163 lines
4.4 KiB
JavaScript

/*
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("../javascript/JavascriptParser").Range} Range */
/** @typedef {import("../serialization/ObjectMiddleware").ObjectDeserializerContext} ObjectDeserializerContext */
/** @typedef {import("../serialization/ObjectMiddleware").ObjectSerializerContext} ObjectSerializerContext */
/** @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 {Range} range range of the argument
* @param {"string" | "url"} urlType dependency type e.g. url() or string
*/
constructor(request, range, urlType) {
super(request);
this.range = range;
this.urlType = urlType;
}
get type() {
return "css url()";
}
get category() {
return "url";
}
/**
* @param {string} context context directory
* @returns {Module | null} a module
*/
createIgnoredModule(context) {
const RawDataUrlModule = getRawDataUrlModule();
return new RawDataUrlModule("data:,", `ignored-asset`, `(ignored asset)`);
}
/**
* @param {ObjectSerializerContext} context context
*/
serialize(context) {
const { write } = context;
write(this.urlType);
super.serialize(context);
}
/**
* @param {ObjectDeserializerContext} context context
*/
deserialize(context) {
const { read } = context;
this.urlType = read();
super.deserialize(context);
}
}
/**
* @param {string} str string
* @returns {string} string in quotes if needed
*/
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,
{ moduleGraph, runtimeTemplate, codeGenerationResults }
) {
const dep = /** @type {CssUrlDependency} */ (dependency);
/** @type {string | undefined} */
let newValue;
switch (dep.urlType) {
case "string":
newValue = cssEscapeString(
runtimeTemplate.assetUrl({
publicPath: "",
module: /** @type {Module} */ (moduleGraph.getModule(dep)),
codeGenerationResults
})
);
break;
case "url":
newValue = `url(${cssEscapeString(
runtimeTemplate.assetUrl({
publicPath: "",
module: /** @type {Module} */ (moduleGraph.getModule(dep)),
codeGenerationResults
})
)})`;
break;
}
source.replace(
dep.range[0],
dep.range[1] - 1,
/** @type {string} */ (newValue)
);
}
};
makeSerializable(CssUrlDependency, "webpack/lib/dependencies/CssUrlDependency");
module.exports = CssUrlDependency;