Current Dev State

static/js/ketcher2/node_modules/gulp-ttf2woff/src/index.js

@@ -0,0 +1,102 @@
+'use strict';
+
+var path = require('path');
+var Stream = require('readable-stream');
+var gutil = require('gulp-util');
+var BufferStreams = require('bufferstreams');
+var ttf2woff = require('ttf2woff');
+
+var PLUGIN_NAME = 'gulp-ttf2woff';
+
+// File level transform function
+function ttf2woffTransform(opt) {
+  // Return a callback function handling the buffered content
+  return function(err, buf, cb) {
+
+    // Handle any error
+    if(err) {
+      cb(new gutil.PluginError(PLUGIN_NAME, err, {showStack: true}));
+    }
+
+    // Use the buffered content
+      try {
+        buf = new Buffer(ttf2woff(new Uint8Array(buf)).buffer);
+        cb(null, buf);
+      } catch(err2) {
+        cb(new gutil.PluginError(PLUGIN_NAME, err2, {showStack: true}));
+      }
+
+  };
+}
+
+// Plugin function
+function ttf2woffGulp(options) {
+
+  options = options || {};
+  options.ignoreExt = options.ignoreExt || false;
+  options.clone = options.clone || false;
+
+  var stream = new Stream.Transform({objectMode: true});
+
+  stream._transform = function(file, unused, done) {
+     // When null just pass through
+    if(file.isNull()) {
+      stream.push(file); done();
+      return;
+    }
+
+    // If the ext doesn't match, pass it through
+    if((!options.ignoreExt) && '.ttf' !== path.extname(file.path)) {
+      stream.push(file); done();
+      return;
+    }
+
+    // Fix for the vinyl clone method...
+    // https://github.com/wearefractal/vinyl/pull/9
+    if(options.clone) {
+      if(file.isBuffer()) {
+        stream.push(file.clone());
+      } else {
+        var cntStream = file.contents;
+        file.contents = null;
+        var newFile = file.clone();
+        file.contents = cntStream.pipe(new Stream.PassThrough());
+        newFile.contents = cntStream.pipe(new Stream.PassThrough());
+        stream.push(newFile);
+      }
+    }
+
+    file.path = gutil.replaceExtension(file.path, ".woff");
+
+    // Buffers
+    if(file.isBuffer()) {
+      try {
+        file.contents = new Buffer(ttf2woff(
+          new Uint8Array(file.contents)
+        ).buffer);
+      } catch(err) {
+        stream.emit('error', new gutil.PluginError(PLUGIN_NAME, err, {
+          showStack: true
+        }));
+      }
+
+    // Streams
+    } else {
+      file.contents = file.contents.pipe(new BufferStreams(ttf2woffTransform()));
+    }
+
+    stream.push(file);
+    done();
+
+  };
+
+  return stream;
+
+}
+
+// Export the file level transform function for other plugins usage
+ttf2woffGulp.fileTransform = ttf2woffTransform;
+
+// Export the plugin main function
+module.exports = ttf2woffGulp;
+