refactor: rewrite scripts in typescript

lib/binding_web/script/check-artifacts-fresh.ts

@@ -0,0 +1,46 @@
+import fs from 'fs';
+import path from 'path';
+import { fileURLToPath } from 'node:url';
+
+const scriptDir = path.dirname(fileURLToPath(import.meta.url));
+
+const inputFiles = [
+  '../lib/tree-sitter.c',
+  '../src/constants.ts',
+  '../src/index.ts',
+  '../src/language.ts',
+  '../src/lookahead_iterator.ts',
+  '../src/marshal.ts',
+  '../src/node.ts',
+  '../src/parser.ts',
+  '../src/query.ts',
+  '../src/tree.ts',
+  '../src/tree_cursor.ts',
+  '../dist/tree-sitter.js',
+  '../wasm/exports.txt',
+  '../wasm/imports.js',
+  '../wasm/prefix.js',
+  ...listFiles('../../include/tree_sitter'),
+  ...listFiles('../../src'),
+];
+
+const outputFiles = ['../tree-sitter.js', '../tree-sitter.wasm'];
+const outputMtime = Math.min(...outputFiles.map(getMtime));
+
+for (const inputFile of inputFiles) {
+  if (getMtime(inputFile) > outputMtime) {
+    console.log(`File '${inputFile}' has changed. Re-run 'npm run build:wasm'.`);
+    process.exit(1);
+  }
+}
+
+function listFiles(dir: string): string[] {
+  return fs
+    .readdirSync(path.resolve(scriptDir, dir))
+    .filter(p => !p.startsWith('.'))
+    .map(p => path.join(dir, p));
+}
+
+function getMtime(p: string): number {
+  return fs.statSync(path.resolve(scriptDir, p)).mtime.getTime();
+}