Current Dev State

static/js/ketcher2/node_modules/read-only-stream/index.js

@@ -0,0 +1,30 @@
+var Readable = require('readable-stream').Readable;
+
+module.exports = function (stream) {
+    var opts = stream._readableState;
+    if (typeof stream.read !== 'function') {
+        stream = new Readable(opts).wrap(stream);
+    }
+    
+    var ro = new Readable({ objectMode: opts && opts.objectMode });
+    var waiting = false;
+    
+    stream.on('readable', function () {
+        if (waiting) {
+            waiting = false;
+            ro._read();
+        }
+    });
+    
+    ro._read = function () {
+        var buf, reads = 0;
+        while ((buf = stream.read()) !== null) {
+            ro.push(buf);
+            reads ++;
+        }
+        if (reads === 0) waiting = true;
+    };
+    stream.once('end', function () { ro.push(null) });
+    stream.on('error', function (err) { ro.emit('error', err) });
+    return ro;
+};