Method getTypes

lib/asset/AssetGenerator.js:705–751

* Returns the source types available for this module. * @param {NormalModule} module fresh module * @returns {SourceTypes} available types (do not mutate)

(module)

	 * @returns {SourceTypes} available types (do not mutate)
	 */
	getTypes(module) {
		/** @type {Set<string>} */
		const sourceTypes = new Set();
		const connections = this._moduleGraph.getIncomingConnections(module);

		for (const connection of connections) {
			if (!connection.originModule) {
				continue;
			}

			sourceTypes.add(connection.originModule.type.split("/")[0]);
		}

		if (
			(module.buildInfo &&
				/** @type {AssetModuleBuildInfo} */ (module.buildInfo).dataUrl) ||
			this.emit === false
		) {
			if (sourceTypes.size > 0) {
				if (
					sourceTypes.has(JAVASCRIPT_TYPE) &&
					(sourceTypes.has(CSS_TYPE) || sourceTypes.has(HTML_TYPE))
				) {
					return JAVASCRIPT_AND_ASSET_URL_TYPES;
				} else if (sourceTypes.has(CSS_TYPE) || sourceTypes.has(HTML_TYPE)) {
					return ASSET_URL_TYPES;
				}
				return JAVASCRIPT_TYPES;
			}

			return NO_TYPES;
		}

		if (sourceTypes.size > 0) {
			if (
				sourceTypes.has(JAVASCRIPT_TYPE) &&
				(sourceTypes.has(CSS_TYPE) || sourceTypes.has(HTML_TYPE))
			) {
				return ASSET_AND_JAVASCRIPT_AND_ASSET_URL_TYPES;
			} else if (sourceTypes.has(CSS_TYPE) || sourceTypes.has(HTML_TYPE)) {
				return ASSET_AND_ASSET_URL_TYPES;
			}
			return ASSET_AND_JAVASCRIPT_TYPES;
		}

		return ASSET_TYPES;
	}

	/**
	 * @returns {boolean} whether getTypes() depends on the module's incoming connections