Initial commit

node_modules/compress-commons/lib/util/index.js

@@ -0,0 +1,20 @@
+import { Stream } from "stream";
+import { PassThrough } from "readable-stream";
+import { isStream } from "is-stream";
+
+export function normalizeInputSource(source) {
+  if (source === null) {
+    return Buffer.alloc(0);
+  } else if (typeof source === "string") {
+    return Buffer.from(source);
+  } else if (isStream(source) && !source._readableState) {
+    var normalized = new PassThrough();
+    source.pipe(normalized);
+    return normalized;
+  }
+  return source;
+}
+
+export default {
+  normalizeInputSource,
+};