test: async loaders

Author: alexander-akait

test/configCases/loaders/async-loader/a.js

@@ -0,0 +1,12 @@
+it("should work when loader is async", function() {
+	expect(require("./a")).toBe("a");
+});
+
+it("should work when loader is async #2", function() {
+	expect(require("./b")).toBe("b");
+});
+
+it("should work when loader is async #3", function() {
+	expect(require("./c")).toBe("c");
+});
+

test/configCases/loaders/async-loader/b.js

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+/** @type {import("../../../../").LoaderDefinition} */
+module.exports = async function () {
+	return `module.exports = 'a';`;
+};

test/configCases/loaders/async-loader/c.js

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+/** @type {import("../../../../").LoaderDefinition} */
+module.exports = function () {
+	return Promise.resolve(`module.exports = 'b';`);
+};

test/configCases/loaders/async-loader/index.js

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+/** @type {import("../../../../").LoaderDefinition} */
+module.exports = function () {
+	const callback = this.async();
+
+	callback(null, `module.exports = 'c';`);
+};

test/configCases/loaders/async-loader/loader-1.js

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+/** @type {import("../../../../").Configuration} */
+module.exports = {
+	mode: "development",
+	module: {
+		rules: [
+			{
+				test: /a\.js$/,
+				use: "./loader-1"
+			},
+			{
+				test: /b\.js$/,
+				use: "./loader-2"
+			},
+			{
+				test: /c\.js$/,
+				use: "./loader-3"
+			}
+		]
+	}
+};