source: trip-planner-front/node_modules/webpack/lib/runtime/CreateScriptUrlRuntimeModule.js

/*
        MIT License http://www.opensource.org/licenses/mit-license.php
*/

"use strict";

const RuntimeGlobals = require("../RuntimeGlobals");
const Template = require("../Template");
const HelperRuntimeModule = require("./HelperRuntimeModule");

class CreateScriptUrlRuntimeModule extends HelperRuntimeModule {
        constructor() {
                super("trusted types");
        }

        /**
         * @returns {string} runtime code
         */
        generate() {
                const { compilation } = this;
                const { runtimeTemplate, outputOptions } = compilation;
                const { trustedTypes } = outputOptions;
                const fn = RuntimeGlobals.createScriptUrl;

                if (!trustedTypes) {
                        // Skip Trusted Types logic.
                        return Template.asString([
                                `${fn} = ${runtimeTemplate.returningFunction("url", "url")};`
                        ]);
                }

                return Template.asString([
                        "var policy;",
                        `${fn} = ${runtimeTemplate.basicFunction("url", [
                                "// Create Trusted Type policy if Trusted Types are available and the policy doesn't exist yet.",
                                "if (policy === undefined) {",
                                Template.indent([
                                        "policy = {",
                                        Template.indent([
                                                `createScriptURL: ${runtimeTemplate.returningFunction(
                                                        "url",
                                                        "url"
                                                )}`
                                        ]),
                                        "};",
                                        'if (typeof trustedTypes !== "undefined" && trustedTypes.createPolicy) {',
                                        Template.indent([
                                                `policy = trustedTypes.createPolicy(${JSON.stringify(
                                                        trustedTypes.policyName
                                                )}, policy);`
                                        ]),
                                        "}"
                                ]),
                                "}",
                                "return policy.createScriptURL(url);"
                        ])};`
                ]);
        }
}

module.exports = CreateScriptUrlRuntimeModule;