feat(web)!: rewrite the library in TypeScript

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

@@ -0,0 +1,34 @@
+const fs = require('fs');
+const path = require('path');
+
+const inputFiles = [
+  'lib/binding.c',
+  'binding.js',
+  'wasm/exports.txt',
+  'wasm/imports.js',
+  'prefix.js',
+  ...list('../include/tree_sitter'),
+  ...list('../src'),
+];
+
+const outputFiles = ['tree-sitter.js', 'tree-sitter.wasm'];
+
+const outputMtime = Math.min(...outputFiles.map(mtime));
+
+for (const inputFile of inputFiles) {
+  if (mtime(inputFile) > outputMtime) {
+    console.log(`File '${inputFile}' has changed. Re-run 'script/build-wasm'.`);
+    process.exit(1);
+  }
+}
+
+function list(dir) {
+  return fs
+    .readdirSync(path.join(__dirname, dir), 'utf8')
+    .filter((p) => !p.startsWith('.'))
+    .map((p) => path.join(dir, p));
+}
+
+function mtime(p) {
+  return fs.statSync(path.join(__dirname, p)).mtime;
+}