source: trip-planner-front/node_modules/webpack/lib/ExportsInfoApiPlugin.js@ 1ad8e64

/*
        MIT License http://www.opensource.org/licenses/mit-license.php
        Author Tobias Koppers @sokra
*/

"use strict";

const ConstDependency = require("./dependencies/ConstDependency");
const ExportsInfoDependency = require("./dependencies/ExportsInfoDependency");

/** @typedef {import("./Compiler")} Compiler */
/** @typedef {import("./javascript/JavascriptParser")} JavascriptParser */

class ExportsInfoApiPlugin {
        /**
         * Apply the plugin
         * @param {Compiler} compiler the compiler instance
         * @returns {void}
         */
        apply(compiler) {
                compiler.hooks.compilation.tap(
                        "ExportsInfoApiPlugin",
                        (compilation, { normalModuleFactory }) => {
                                compilation.dependencyTemplates.set(
                                        ExportsInfoDependency,
                                        new ExportsInfoDependency.Template()
                                );
                                /**
                                 * @param {JavascriptParser} parser the parser
                                 * @returns {void}
                                 */
                                const handler = parser => {
                                        parser.hooks.expressionMemberChain
                                                .for("__webpack_exports_info__")
                                                .tap("ExportsInfoApiPlugin", (expr, members) => {
                                                        const dep =
                                                                members.length >= 2
                                                                        ? new ExportsInfoDependency(
                                                                                        expr.range,
                                                                                        members.slice(0, -1),
                                                                                        members[members.length - 1]
                                                                          )
                                                                        : new ExportsInfoDependency(expr.range, null, members[0]);
                                                        dep.loc = expr.loc;
                                                        parser.state.module.addDependency(dep);
                                                        return true;
                                                });
                                        parser.hooks.expression
                                                .for("__webpack_exports_info__")
                                                .tap("ExportsInfoApiPlugin", expr => {
                                                        const dep = new ConstDependency("true", expr.range);
                                                        dep.loc = expr.loc;
                                                        parser.state.module.addPresentationalDependency(dep);
                                                        return true;
                                                });
                                };
                                normalModuleFactory.hooks.parser
                                        .for("javascript/auto")
                                        .tap("ExportsInfoApiPlugin", handler);
                                normalModuleFactory.hooks.parser
                                        .for("javascript/dynamic")
                                        .tap("ExportsInfoApiPlugin", handler);
                                normalModuleFactory.hooks.parser
                                        .for("javascript/esm")
                                        .tap("ExportsInfoApiPlugin", handler);
                        }
                );
        }
}

module.exports = ExportsInfoApiPlugin;