1 files changed, 38 insertions, 0 deletions
diff --git a/scripts/buildUMD.ts b/scripts/buildUMD.ts
new file mode 100644
index 0000000..fc7037a
--- /dev/null
+++ b/scripts/buildUMD.ts
@@ -0,0 +1,38 @@
+import { existsSync, mkdirSync, readFileSync, writeFileSync } from 'fs';
+import { minify, MinifyOptions } from 'terser';
+import { join } from 'path';
+
+const p = (...fns: string[]) => join(__dirname, '..', ...fns);
+
+const src = readFileSync(p('lib', 'index.cjs'), 'utf8');
+const worker = readFileSync(p('lib', 'worker.cjs'), 'utf8');
+const nodeWorker = readFileSync(p('lib', 'node-worker.cjs'), 'utf8');
+
+const opts: MinifyOptions = {
+  mangle: {
+    toplevel: true,
+  },
+  compress: {
+    passes: 5,
+    unsafe: true,
+    pure_getters: true
+  },
+  sourceMap: false
+};
+
+minify(src, opts).then(async out => {
+  const wkrOut = (await minify(worker, opts)).code!.replace(
+    /exports.__esModule=!0;/,
+    ''
+  ).replace(/exports\./g, '_f.');
+  const nodeWkrOut = (await minify(nodeWorker, opts)).code!.replace(
+    /exports.__esModule=!0;/,
+    ''
+  );
+  const res = "!function(f){typeof module!='undefined'&&typeof exports=='object'?module.exports=f():typeof define!='undefined'&&define.amd?define(['fflate',f]):(typeof self!='undefined'?self:this).fflate=f()}(function(){var _e={};" +
+    out.code!.replace(/exports\.(.*) = void 0;\n/, '').replace(/exports\./g, '_e.').replace(/require\("\.\/node-worker\.cjs"\)/,
+    "(typeof module!='undefined'&&typeof exports=='object'?function(_f){" + nodeWkrOut + 'return _f}:function(_f){' + wkrOut + 'return _f})({})'
+  ) + 'return _e})';
+  if (!existsSync(p('umd'))) mkdirSync(p('umd'));
+  writeFileSync(p('umd', 'index.js'), res);
+});
+\ No newline at end of file