保誠-保戶業務員媒合平台
HelenHuang
2022-06-09 9bdb95c9e34cef640534e5e5a1e2225a80442000
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/*
    MIT License http://www.opensource.org/licenses/mit-license.php
    Author Tobias Koppers @sokra
*/
"use strict";
 
const Template = require("./Template");
const ConstDependency = require("./dependencies/ConstDependency");
const ParserHelpers = require("./ParserHelpers");
const NullFactory = require("./NullFactory");
 
const REPLACEMENTS = {
    // eslint-disable-next-line camelcase
    __webpack_hash__: "__webpack_require__.h",
    // eslint-disable-next-line camelcase
    __webpack_chunkname__: "__webpack_require__.cn"
};
const REPLACEMENT_TYPES = {
    // eslint-disable-next-line camelcase
    __webpack_hash__: "string",
    // eslint-disable-next-line camelcase
    __webpack_chunkname__: "string"
};
 
class ExtendedAPIPlugin {
    apply(compiler) {
        compiler.hooks.compilation.tap(
            "ExtendedAPIPlugin",
            (compilation, { normalModuleFactory }) => {
                compilation.dependencyFactories.set(ConstDependency, new NullFactory());
                compilation.dependencyTemplates.set(
                    ConstDependency,
                    new ConstDependency.Template()
                );
 
                const mainTemplate = compilation.mainTemplate;
                mainTemplate.hooks.requireExtensions.tap(
                    "ExtendedAPIPlugin",
                    (source, chunk, hash) => {
                        const buf = [source];
                        buf.push("");
                        buf.push("// __webpack_hash__");
                        buf.push(`${mainTemplate.requireFn}.h = ${JSON.stringify(hash)};`);
                        buf.push("");
                        buf.push("// __webpack_chunkname__");
                        buf.push(
                            `${mainTemplate.requireFn}.cn = ${JSON.stringify(chunk.name)};`
                        );
                        return Template.asString(buf);
                    }
                );
                mainTemplate.hooks.globalHash.tap("ExtendedAPIPlugin", () => true);
 
                const handler = (parser, parserOptions) => {
                    Object.keys(REPLACEMENTS).forEach(key => {
                        parser.hooks.expression
                            .for(key)
                            .tap(
                                "ExtendedAPIPlugin",
                                ParserHelpers.toConstantDependencyWithWebpackRequire(
                                    parser,
                                    REPLACEMENTS[key]
                                )
                            );
                        parser.hooks.evaluateTypeof
                            .for(key)
                            .tap(
                                "ExtendedAPIPlugin",
                                ParserHelpers.evaluateToString(REPLACEMENT_TYPES[key])
                            );
                    });
                };
 
                normalModuleFactory.hooks.parser
                    .for("javascript/auto")
                    .tap("ExtendedAPIPlugin", handler);
                normalModuleFactory.hooks.parser
                    .for("javascript/dynamic")
                    .tap("ExtendedAPIPlugin", handler);
                normalModuleFactory.hooks.parser
                    .for("javascript/esm")
                    .tap("ExtendedAPIPlugin", handler);
            }
        );
    }
}
 
module.exports = ExtendedAPIPlugin;