webpack/lib/dependencies/HarmonyInitDependency.js

Packs CommonJs/AMD modules for the browser. Allows to split your codebase into multiple bundles, which can be loaded on demand. Support loaders to preprocess files, i.e. json, jsx, es7, css, less, ... and your custom stuff.

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

const NullDependency = require("./NullDependency");

class HarmonyInitDependency extends NullDependency {
	constructor(originModule) {
		super();
		this.originModule = originModule;
	}

	get type() {
		return "harmony init";
	}
}

module.exports = HarmonyInitDependency;

HarmonyInitDependency.Template = class HarmonyInitDependencyTemplate {
	apply(dep, source, runtime, dependencyTemplates) {
		const module = dep.originModule;
		const list = [];
		for (const dependency of module.dependencies) {
			const template = dependencyTemplates.get(dependency.constructor);
			if (
				template &&
				typeof template.harmonyInit === "function" &&
				typeof template.getHarmonyInitOrder === "function"
			) {
				const order = template.getHarmonyInitOrder(dependency);
				if (!isNaN(order)) {
					list.push({
						order,
						listOrder: list.length,
						dependency,
						template
					});
				}
			}
		}

		list.sort((a, b) => {
			const x = a.order - b.order;
			if (x) return x;
			return a.listOrder - b.listOrder;
		});

		for (const item of list) {
			item.template.harmonyInit(
				item.dependency,
				source,
				runtime,
				dependencyTemplates
			);
		}
	}
};