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/*
*/
"use strict";
const RuntimeGlobals = require("../RuntimeGlobals");
const Template = require("../Template");
const HelperRuntimeModule = require("./HelperRuntimeModule");
/** @typedef {import("../Compilation")} Compilation */
class SetAnonymousDefaultNameRuntimeModule extends HelperRuntimeModule {
constructor() {
super("set anonymous default export name");
}
/**
* Generates runtime code for this runtime module.
* @returns {string | null} runtime code
*/
generate() {
const compilation = /** @type {Compilation} */ (this.compilation);
const { runtimeTemplate } = compilation;
const fn = RuntimeGlobals.setAnonymousDefaultName;
return Template.asString([
"// set .name for anonymous default exports per ES spec",
"// skipped when the property is non-configurable (pre-ES2015 engines),",
"// where Object.defineProperty would throw",
`${fn} = ${runtimeTemplate.basicFunction("x", [
'var descriptor = Object.getOwnPropertyDescriptor(x, "name");',
'if (!descriptor || (!descriptor.writable && descriptor.configurable)) Object.defineProperty(x, "name", { value: "default", configurable: true });'
])};`
]);
}
}
module.exports = SetAnonymousDefaultNameRuntimeModule;