Function apply

test/Compiler-filesystem-caching.test.js:65–177

(compiler)

		options.plugins = [
			{
				apply(compiler) {
					const name = "TestCachePlugin";

					compiler.hooks.thisCompilation.tap(name, (compilation) => {
						compilation.hooks.processAssets.tapPromise(
							{
								name,
								stage:
									compiler.webpack.Compilation
										.PROCESS_ASSETS_STAGE_OPTIMIZE_SIZE
							},
							async () => {
								const cache = compilation.getCache(name);
								const ident = "test.ext";
								const cacheItem_ = cache.getItemCache(ident, null);
								const cacheItem =
									/** @type {{ getPromise(id: string): Promise<unknown>, storePromise(v: unknown): Promise<void> }} */ (
										/** @type {unknown} */ (cacheItem_)
									);

								const result_ = await cacheItem.getPromise(ident);
								const result =
									/** @type {Record<string, Record<string, Record<string, unknown>> & Iterable<unknown>>} */ (
										result_
									);

								if (result) {
									expect(result.number).toBe(42);
									expect(result.number1).toBe(3.14);
									expect(result.number2).toBe(6.2);
									expect(result.string).toBe("string");

									if (isErrorCaseSupported) {
										expect(result.error.cause.message).toBe("cause");
										expect(result.error1.cause.string).toBe("string");
										expect(result.error1.cause.number).toBe(42);
									}

									if (isAggregateErrorSupported) {
										expect(result.aggregateError.errors).toEqual([
											new Error("first", { cause: "nested cause" }),
											"second"
										]);
										expect(result.aggregateError.message).toBe(
											"aggregate error"
										);
										expect(result.aggregateError.cause.message).toBe("cause");
									}

									if (isBigIntSupported) {
										expect(result.bigint).toBe(BigInt(5));
										expect(result.bigint1).toBe(BigInt(124));
										expect(result.bigint2).toBe(BigInt(125));
										expect(result.bigint3).toBe(BigInt("12345678901234567890"));
										expect(result.bigint4).toBe(BigInt(5));
										expect(result.bigint5).toBe(BigInt(1000000));
										expect(result.bigint6).toBe(BigInt(128));
										expect(result.bigint7).toBe(BigInt(2147483647));