mirror of https://github.com/webpack/webpack.git
66 lines
2.1 KiB
JavaScript
66 lines
2.1 KiB
JavaScript
/*
|
|
MIT License http://www.opensource.org/licenses/mit-license.php
|
|
Author Yuta Hiroto @hiroppy
|
|
*/
|
|
|
|
"use strict";
|
|
|
|
const Parser = require("../Parser");
|
|
|
|
/** @typedef {import("../../declarations/WebpackOptions").AssetParserDataUrlOptions} AssetParserDataUrlOptions */
|
|
/** @typedef {import("../../declarations/WebpackOptions").AssetParserOptions} AssetParserOptions */
|
|
/** @typedef {import("../Module").BuildInfo} BuildInfo */
|
|
/** @typedef {import("../Module").BuildMeta} BuildMeta */
|
|
/** @typedef {import("../Parser").ParserState} ParserState */
|
|
/** @typedef {import("../Parser").PreparsedAst} PreparsedAst */
|
|
|
|
class AssetParser extends Parser {
|
|
/**
|
|
* @param {AssetParserOptions["dataUrlCondition"] | boolean} dataUrlCondition condition for inlining as DataUrl
|
|
*/
|
|
constructor(dataUrlCondition) {
|
|
super();
|
|
this.dataUrlCondition = dataUrlCondition;
|
|
}
|
|
|
|
/**
|
|
* @param {string | Buffer | PreparsedAst} source the source to parse
|
|
* @param {ParserState} state the parser state
|
|
* @returns {ParserState} the parser state
|
|
*/
|
|
parse(source, state) {
|
|
if (typeof source === "object" && !Buffer.isBuffer(source)) {
|
|
throw new Error("AssetParser doesn't accept preparsed AST");
|
|
}
|
|
|
|
const buildInfo = /** @type {BuildInfo} */ (state.module.buildInfo);
|
|
buildInfo.strict = true;
|
|
const buildMeta = /** @type {BuildMeta} */ (state.module.buildMeta);
|
|
buildMeta.exportsType = "default";
|
|
buildMeta.defaultObject = false;
|
|
|
|
if (typeof this.dataUrlCondition === "function") {
|
|
buildInfo.dataUrl = this.dataUrlCondition(source, {
|
|
filename: state.module.matchResource || state.module.resource,
|
|
module: state.module
|
|
});
|
|
} else if (typeof this.dataUrlCondition === "boolean") {
|
|
buildInfo.dataUrl = this.dataUrlCondition;
|
|
} else if (
|
|
this.dataUrlCondition &&
|
|
typeof this.dataUrlCondition === "object"
|
|
) {
|
|
buildInfo.dataUrl =
|
|
Buffer.byteLength(source) <=
|
|
/** @type {NonNullable<AssetParserDataUrlOptions["maxSize"]>} */
|
|
(this.dataUrlCondition.maxSize);
|
|
} else {
|
|
throw new Error("Unexpected dataUrlCondition type");
|
|
}
|
|
|
|
return state;
|
|
}
|
|
}
|
|
|
|
module.exports = AssetParser;
|