add generator for futur-lazy

futur-lazy/generator/index.ts

@@ -0,0 +1,33 @@
+const PACKAGE = "src/main/java/dev/tommyjs/futur"
+const SIGNAL = "// Generated delegates to static factory"
+
+const regex = /( {4}\/\*\*.+?)?((?:\S| )+? )(\S+)(\(.*?\))(?: {.+?}|;)/gs
+const content = await Bun.file(`../../futur-api/${PACKAGE}/promise/PromiseFactory.java`).text()
+
+const methods = [""]
+for (const match of content.matchAll(regex)) {
+	let [_, docs, head, name, params] = match
+
+	head = head.trimStart()
+	if (head.startsWith("static")) continue
+	if (head.startsWith("default")) head = head.slice(8);
+
+	const args = Array.from(params.matchAll(/ ([a-zA-Z1-9]+)[,)]/gs))
+		.map(v => v[1]).join(", ")
+
+	methods.push(
+		[
+			`${docs}    public static ${head}${name}${params} {`,
+			`        return factory.${name}(${args});`,
+			"    }"
+		].join("\n")
+	)
+}
+
+const output = Bun.file(`../${PACKAGE}/lazy/Promises.java`)
+
+const existing = await output.text()
+const cutIndex = existing.indexOf(SIGNAL) + SIGNAL.length;
+const newContent = existing.slice(0, cutIndex) + methods.join("\n\n") + "\n\n}"
+
+await Bun.write(output, newContent)