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AssetModulesPlugin.js
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Fri, Feb 21, 09:49

AssetModulesPlugin.js
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/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Yuta Hiroto @hiroppy
*/
"use strict";
const { validate } = require("schema-utils");
const { compareModulesByIdentifier } = require("../util/comparators");
const memorize = require("../util/memorize");
/** @typedef {import("webpack-sources").Source} Source */
/** @typedef {import("../Chunk")} Chunk */
/** @typedef {import("../Compiler")} Compiler */
/** @typedef {import("../Module")} Module */
const getGeneratorSchema = memorize(() =>
require("../../schemas/plugins/AssetModulesPluginGenerator.json")
);
const getGeneratorSchemaMap = {
asset: getGeneratorSchema,
"asset/resource": memorize(() => {
const base = getGeneratorSchema();
return {
...base,
properties: {
...base.properties,
dataUrl: false
}
};
}),
"asset/inline": memorize(() => {
const base = getGeneratorSchema();
return {
...base,
properties: {
...base.properties,
filename: false
}
};
})
};
const getParserSchema = memorize(() =>
require("../../schemas/plugins/AssetModulesPluginParser.json")
);
const getAssetGenerator = memorize(() => require("./AssetGenerator"));
const getAssetParser = memorize(() => require("./AssetParser"));
const getAssetSourceGenerator = memorize(() =>
require("./AssetSourceGenerator")
);
const type = "asset";
const plugin = "AssetModulesPlugin";
class AssetModulesPlugin {
/**
* Apply the plugin
* @param {Compiler} compiler the compiler instance
* @returns {void}
*/
apply(compiler) {
compiler.hooks.compilation.tap(
plugin,
(compilation, { normalModuleFactory }) => {
normalModuleFactory.hooks.createParser
.for("asset")
.tap(plugin, parserOptions => {
validate(getParserSchema(), parserOptions, {
name: "Asset Modules Plugin",
baseDataPath: "parser"
});
let dataUrlCondition = parserOptions.dataUrlCondition;
if (!dataUrlCondition || typeof dataUrlCondition === "object") {
dataUrlCondition = {
maxSize: 8096,
...dataUrlCondition
};
}
const AssetParser = getAssetParser();
return new AssetParser(dataUrlCondition);
});
normalModuleFactory.hooks.createParser
.for("asset/inline")
.tap(plugin, parserOptions => {
const AssetParser = getAssetParser();
return new AssetParser(true);
});
normalModuleFactory.hooks.createParser
.for("asset/resource")
.tap(plugin, parserOptions => {
const AssetParser = getAssetParser();
return new AssetParser(false);
});
normalModuleFactory.hooks.createParser
.for("asset/source")
.tap(plugin, parserOptions => {
const AssetParser = getAssetParser();
return new AssetParser(false);
});
for (const type of ["asset", "asset/inline", "asset/resource"]) {
normalModuleFactory.hooks.createGenerator
.for(type)
// eslint-disable-next-line no-loop-func
.tap(plugin, generatorOptions => {
validate(getGeneratorSchemaMap[type](), generatorOptions, {
name: "Asset Modules Plugin",
baseDataPath: "generator"
});
let dataUrl = undefined;
if (type !== "asset/resource") {
dataUrl = generatorOptions.dataUrl;
if (!dataUrl || typeof dataUrl === "object") {
dataUrl = {
encoding: "base64",
mimetype: undefined,
...dataUrl
};
}
}
let filename = undefined;
if (type !== "asset/inline") {
filename = generatorOptions.filename;
}
const AssetGenerator = getAssetGenerator();
return new AssetGenerator(compilation, dataUrl, filename);
});
}
normalModuleFactory.hooks.createGenerator
.for("asset/source")
.tap(plugin, () => {
const AssetSourceGenerator = getAssetSourceGenerator();
return new AssetSourceGenerator();
});
compilation.hooks.renderManifest.tap(plugin, (result, options) => {
const { chunkGraph } = compilation;
const { chunk, codeGenerationResults } = options;
const modules = chunkGraph.getOrderedChunkModulesIterableBySourceType(
chunk,
"asset",
compareModulesByIdentifier
);
if (modules) {
for (const module of modules) {
result.push({
render: () =>
codeGenerationResults.getSource(module, chunk.runtime, type),
filename: module.buildInfo.filename,
info: module.buildInfo.assetInfo,
auxiliary: true,
identifier: `assetModule${chunkGraph.getModuleId(module)}`,
hash: module.buildInfo.fullContentHash
});
}
}
return result;
});
}
);
}
}
module.exports = AssetModulesPlugin;

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