Initial commit

src/main/modules/dllsTxt.ts

@@ -0,0 +1,55 @@
+import path from 'path';
+
+import fs from 'fs-extra';
+
+let queue: Promise<unknown> = Promise.resolve();
+
+const serial = <T>(fn: () => Promise<T>): Promise<T> => {
+	const next = queue.then(fn, fn);
+	queue = next.catch(() => {});
+	return next;
+};
+
+const dllsPath = (clientDir: string) => path.join(clientDir, 'dlls.txt');
+
+const readLines = async (clientDir: string): Promise<string[]> => {
+	const file = dllsPath(clientDir);
+	if (!(await fs.pathExists(file))) return [];
+	const text = await fs.readFile(file, 'utf8');
+	return text.split(/\r?\n/);
+};
+
+const writeLines = async (clientDir: string, lines: string[]) => {
+	const file = dllsPath(clientDir);
+	const trimmed = lines.join('\n').replace(/\n+$/, '');
+	if (!trimmed.trim()) {
+		if (await fs.pathExists(file)) await fs.remove(file);
+		return;
+	}
+	await fs.writeFile(file, trimmed + '\n', 'utf8');
+};
+
+const matches = (line: string, name: string) =>
+	line.trim().toLowerCase() === name.toLowerCase();
+
+export const addDll = (clientDir: string, name: string) =>
+	serial(async () => {
+		const lines = await readLines(clientDir);
+		if (lines.some(l => matches(l, name))) return;
+		lines.push(name);
+		await writeLines(clientDir, lines);
+	});
+
+export const removeDll = (clientDir: string, name: string) =>
+	serial(async () => {
+		const lines = await readLines(clientDir);
+		const next = lines.filter(l => !matches(l, name));
+		if (next.length === lines.length) return;
+		await writeLines(clientDir, next);
+	});
+
+export const hasDll = (clientDir: string, name: string) =>
+	serial(async () => {
+		const lines = await readLines(clientDir);
+		return lines.some(l => matches(l, name));
+	});