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 RequireEnsureItemDependency = require("./RequireEnsureItemDependency");
const RequireEnsureDependency = require("./RequireEnsureDependency");
 
const NullFactory = require("../NullFactory");
 
const RequireEnsureDependenciesBlockParserPlugin = require("./RequireEnsureDependenciesBlockParserPlugin");
 
const ParserHelpers = require("../ParserHelpers");
 
class RequireEnsurePlugin {
    apply(compiler) {
        compiler.hooks.compilation.tap(
            "RequireEnsurePlugin",
            (compilation, { normalModuleFactory }) => {
                compilation.dependencyFactories.set(
                    RequireEnsureItemDependency,
                    normalModuleFactory
                );
                compilation.dependencyTemplates.set(
                    RequireEnsureItemDependency,
                    new RequireEnsureItemDependency.Template()
                );
 
                compilation.dependencyFactories.set(
                    RequireEnsureDependency,
                    new NullFactory()
                );
                compilation.dependencyTemplates.set(
                    RequireEnsureDependency,
                    new RequireEnsureDependency.Template()
                );
 
                const handler = (parser, parserOptions) => {
                    if (
                        parserOptions.requireEnsure !== undefined &&
                        !parserOptions.requireEnsure
                    )
                        return;
 
                    new RequireEnsureDependenciesBlockParserPlugin().apply(parser);
                    parser.hooks.evaluateTypeof
                        .for("require.ensure")
                        .tap(
                            "RequireEnsurePlugin",
                            ParserHelpers.evaluateToString("function")
                        );
                    parser.hooks.typeof
                        .for("require.ensure")
                        .tap(
                            "RequireEnsurePlugin",
                            ParserHelpers.toConstantDependency(
                                parser,
                                JSON.stringify("function")
                            )
                        );
                };
 
                normalModuleFactory.hooks.parser
                    .for("javascript/auto")
                    .tap("RequireEnsurePlugin", handler);
                normalModuleFactory.hooks.parser
                    .for("javascript/dynamic")
                    .tap("RequireEnsurePlugin", handler);
            }
        );
    }
}
module.exports = RequireEnsurePlugin;