Method codeGeneration

lib/sharing/ConsumeSharedModule.js:266–332

* Generates code and runtime requirements for this module. * @param {CodeGenerationContext} context context for code generation * @returns {CodeGenerationResult} result

({ chunkGraph, runtimeTemplate })

	 * @returns {CodeGenerationResult} result
	 */
	codeGeneration({ chunkGraph, runtimeTemplate }) {
		const runtimeRequirements = new Set([RuntimeGlobals.shareScopeMap]);
		const {
			shareScope,
			shareKey,
			strictVersion,
			requiredVersion,
			import: request,
			singleton,
			eager
		} = this.options;
		/** @type {undefined | string} */
		let fallbackCode;
		if (request) {
			if (eager) {
				const dep = this.dependencies[0];
				fallbackCode = runtimeTemplate.syncModuleFactory({
					dependency: dep,
					chunkGraph,
					runtimeRequirements,
					request: this.options.import
				});
			} else {
				const block = this.blocks[0];
				fallbackCode = runtimeTemplate.asyncModuleFactory({
					block,
					chunkGraph,
					runtimeRequirements,
					request: this.options.import
				});
			}
		}

		const args = [
			JSON.stringify(shareScope),
			JSON.stringify(shareKey),
			JSON.stringify(eager)
		];
		if (requiredVersion) {
			args.push(stringifyHoley(requiredVersion));
		}
		if (fallbackCode) {
			args.push(fallbackCode);
		}

		/** @type {string} */
		let fn;

		if (requiredVersion) {
			if (strictVersion) {
				fn = singleton ? "loadStrictSingletonVersion" : "loadStrictVersion";
			} else {
				fn = singleton ? "loadSingletonVersion" : "loadVersion";
			}
		} else {
			fn = singleton ? "loadSingleton" : "load";
		}