Method getPreOrderIndex

lib/ModuleGraph.js:794–797

* Gets pre order index. * @param {Module} module the module * @returns {number | null} the index of the module

(module)

	 * @returns {number | null} the index of the module
	 */
	getPreOrderIndex(module) {
		const mgm = this._getModuleGraphModule(module);
		return mgm.preOrderIndex;
	}

	/**
	 * Gets post order index.