Current Dev State

static/js/ketcher2/node_modules/svgicons2svgfont/src/iconsdir.js

@@ -0,0 +1,110 @@
+'use strict';
+
+var fs = require('fs');
+var util = require('util');
+var fileSorter = require('./filesorter');
+var initMetadataService = require('../src/metadata');
+
+var Readable = require('stream').Readable;
+
+require('string.prototype.codepointat');
+
+// Inherit of duplex stream
+util.inherits(SVGIconsDirStream, Readable);
+
+// Constructor
+function SVGIconsDirStream(dir, options) {
+  var _this = this;
+  var getMetadata = initMetadataService(options);
+  var filesInfos;
+  var gotFilesInfos = false;
+  var dirCopy;
+
+  // Ensure new were used
+  if(!(this instanceof SVGIconsDirStream)) {
+    return new SVGIconsDirStream(dir, options);
+  }
+
+  if(dir instanceof Array) {
+    dirCopy = dir;
+    dir = '';
+    _getFilesInfos(dirCopy);
+  }
+
+  function _getFilesInfos(files) {
+    var filesProcessed = 0;
+
+    filesInfos = [];
+    // Ensure prefixed files come first
+    files = files.slice(0).sort(fileSorter);
+    files.forEach(function(file) {
+      getMetadata((dir ? dir + '/' : '') + file, function(err, metadata) {
+        filesProcessed++;
+        if(err) {
+          _this.emit('error', err);
+        } else {
+          if(metadata.renamed) {
+            options.log('Saved codepoint: ' +
+              'u' + metadata.unicode[0].codePointAt(0).toString(16).toUpperCase() +
+              ' for the glyph "' + metadata.name + '"');
+          }
+          filesInfos.push(metadata);
+        }
+        if(files.length === filesProcessed) {
+          // Reorder files
+          filesInfos = filesInfos.sort(function(infosA, infosB) {
+            return infosA.unicode[0] > infosB.unicode[0] ? 1 : -1;
+          });
+          // Mark directory as processed
+          gotFilesInfos = true;
+          // Start processing
+          _pushSVGIcons();
+        }
+      });
+    });
+  }
+
+  function _pushSVGIcons() {
+    var fileInfo;
+    var svgIconStream;
+
+    while(filesInfos.length) {
+      fileInfo = filesInfos.shift();
+      svgIconStream = fs.createReadStream(fileInfo.path);
+      svgIconStream.metadata = {
+        name: fileInfo.name,
+        unicode: fileInfo.unicode,
+      };
+      if(!_this.push(svgIconStream)) {
+        return;
+      }
+    }
+    _this.push(null);
+  }
+
+  // Parent constructor
+  Readable.call(this, {
+    objectMode: true,
+  });
+
+  this._read = function() {
+    if(!filesInfos) {
+      fs.readdir(
+        dir,
+        function(err, files) {
+          if(err) {
+            _this.emit('error', err);
+          }
+          _getFilesInfos(files);
+        }
+      );
+      return;
+    }
+    if(gotFilesInfos) {
+      _pushSVGIcons();
+    }
+  };
+
+}
+
+module.exports = SVGIconsDirStream;