Method runtimeConditionExpression

lib/RuntimeTemplate.js:1004–1031

* Runtime condition expression. * @param {object} options options object * @param {ChunkGraph} options.chunkGraph the chunk graph * @param {RuntimeSpec=} options.runtime runtime for which this code will be generated * @param {RuntimeSpec | boolean=} options.runtimeCondition only execute the

({
		chunkGraph,
		runtimeCondition,
		runtime,
		runtimeRequirements
	})

	 * @returns {string} expression
	 */
	runtimeConditionExpression({
		chunkGraph,
		runtimeCondition,
		runtime,
		runtimeRequirements
	}) {
		if (runtimeCondition === undefined) return "true";
		if (typeof runtimeCondition === "boolean") return `${runtimeCondition}`;
		/** @type {Set<string>} */
		const positiveRuntimeIds = new Set();
		forEachRuntime(runtimeCondition, (runtime) =>
			positiveRuntimeIds.add(
				`${chunkGraph.getRuntimeId(/** @type {string} */ (runtime))}`
			)
		);
		/** @type {Set<string>} */
		const negativeRuntimeIds = new Set();
		forEachRuntime(subtractRuntime(runtime, runtimeCondition), (runtime) =>
			negativeRuntimeIds.add(
				`${chunkGraph.getRuntimeId(/** @type {string} */ (runtime))}`
			)
		);
		runtimeRequirements.add(RuntimeGlobals.runtimeId);
		return compileBooleanMatcher.fromLists(
			[...positiveRuntimeIds],
			[...negativeRuntimeIds]
		)(RuntimeGlobals.runtimeId);
	}

	/**
	 * Returns the import statement and the compat statement.