Port the build system to Gulp

etc/eslint.config.js

@@ -198,8 +198,9 @@ export default tsEslint.config(
 		}
 	},
 	{
-		files: ["test/**/*.js"],
+		files: ["gulpfile.js", "etc/*.js", "test/**/*.js"],
 		rules: {
+			"prefer-arrow-callback": "off",
 			"@typescript-eslint/explicit-function-return-type": "off",
 			"@typescript-eslint/explicit-module-boundary-types": "off",
 			"@typescript-eslint/no-floating-promises": "off"

gulpfile.js

@@ -0,0 +1,57 @@
+import {cp} from "node:fs/promises";
+import {deleteAsync} from "del";
+import {$} from "execa";
+import gulp from "gulp";
+import replace from "gulp-replace";
+import pkg from "./package.json" with {type: "json"};
+
+// Builds the project.
+export async function build() {
+	return $`tsc --project src`;
+}
+
+// Deletes all generated files.
+export function clean() {
+	return deleteAsync(["lib", "var/**/*"]);
+}
+
+// Builds the documentation.
+export async function doc() {
+	await build();
+	await $`typedoc --options etc/typedoc.js`;
+	for (const file of ["CHANGELOG.md", "LICENSE.md"]) await cp(file, `docs/${file.toLowerCase()}`);
+	return cp("docs/favicon.ico", "docs/api/favicon.ico");
+}
+
+// Performs the static analysis of source code.
+export async function lint() {
+	await build();
+	await $`tsc --project .`;
+	return $`eslint --config=etc/eslint.config.js gulpfile.js etc example src test`;
+}
+
+// Publishes the package.
+export async function publish() {
+	for (const registry of ["https://registry.npmjs.org", "https://npm.pkg.github.com"]) await $`npm publish --registry=${registry}`;
+	for (const action of [["tag"], ["push", "origin"]]) await $`git ${action} v${pkg.version}`;
+}
+
+// Runs the test suite.
+export async function test() {
+	await build();
+	return $`node --test --test-reporter=spec`;
+}
+
+// Updates the version number in the sources.
+export function version() {
+	return gulp.src("src/client.ts")
+		.pipe(replace(/#version = "\d+(\.\d+){2}"/, `#version = "${pkg.version}"`))
+		.pipe(gulp.dest("src"));
+}
+
+// The default task.
+export default gulp.series(
+	clean,
+	version,
+	build
+);