webpack
Version:
Packs ECMAScript/CommonJs/AMD modules for the browser. Allows you to split your codebase into multiple bundles, which can be loaded on demand. Supports loaders to preprocess files, i.e. json, jsx, es7, css, less, ... and your custom stuff.
60 lines (54 loc) • 1.89 kB
JavaScript
/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
;
const RuntimeGlobals = require("../RuntimeGlobals");
/** @typedef {import("../Module")} Module */
/** @typedef {import("../Module").RuntimeRequirements} RuntimeRequirements */
/** @typedef {"exports" | "module.exports" | "this" | "Object.defineProperty(exports)" | "Object.defineProperty(module.exports)" | "Object.defineProperty(this)"} CommonJSDependencyBaseKeywords */
/**
* @param {CommonJSDependencyBaseKeywords} depBase commonjs dependency base
* @param {Module} module module
* @param {RuntimeRequirements} runtimeRequirements runtime requirements
* @returns {[string, string]} type and base
*/
exports.handleDependencyBase = (depBase, module, runtimeRequirements) => {
let base = undefined;
let type;
switch (depBase) {
case "exports":
runtimeRequirements.add(RuntimeGlobals.exports);
base = module.exportsArgument;
type = "expression";
break;
case "module.exports":
runtimeRequirements.add(RuntimeGlobals.module);
base = `${module.moduleArgument}.exports`;
type = "expression";
break;
case "this":
runtimeRequirements.add(RuntimeGlobals.thisAsExports);
base = "this";
type = "expression";
break;
case "Object.defineProperty(exports)":
runtimeRequirements.add(RuntimeGlobals.exports);
base = module.exportsArgument;
type = "Object.defineProperty";
break;
case "Object.defineProperty(module.exports)":
runtimeRequirements.add(RuntimeGlobals.module);
base = `${module.moduleArgument}.exports`;
type = "Object.defineProperty";
break;
case "Object.defineProperty(this)":
runtimeRequirements.add(RuntimeGlobals.thisAsExports);
base = "this";
type = "Object.defineProperty";
break;
default:
throw new Error(`Unsupported base ${depBase}`);
}
return [type, base];
};