diff --git a/.eslintrc.json b/.eslintrc.json
index 9d74291da..28766db11 100644
--- a/.eslintrc.json
+++ b/.eslintrc.json
@@ -2,29 +2,6 @@
     "rules": {
         "curly": ["error"],
         "eol-last": ["error"],
-        // Blockly/Google use 2-space indents.
-        // Blockly/Google uses +4 space indents for line continuations.
-        // Ignore default rules for ternary expressions.
-        "indent": [
-            "error", 2,
-            {
-                "SwitchCase": 1,
-                "MemberExpression": 2,
-                "ObjectExpression": 1,
-                "FunctionDeclaration": {
-                    "body": 1,
-                    "parameters": 2
-                },
-                "FunctionExpression": {
-                    "body": 1,
-                    "parameters": 2
-                },
-                "CallExpression": {
-                    "arguments": 2
-                },
-                "ignoredNodes": ["ConditionalExpression"]
-            }
-        ],
         "keyword-spacing": ["error"],
         "linebreak-style": ["error", "unix"],
         "max-len": [
@@ -39,7 +16,7 @@
         ],
         "no-trailing-spaces": ["error", { "skipBlankLines": true }],
         "no-unused-vars": [
-            "error",
+            "warn",
             {
                 "args": "after-used",
                 // Ignore vars starting with an underscore.
@@ -48,7 +25,6 @@
                 "argsIgnorePattern": "^_"
             }
         ],
-        "no-use-before-define": ["error"],
         // Blockly uses for exporting symbols. no-self-assign added in eslint 5.
         "no-self-assign": ["off"],
         // Blockly uses single quotes except for JSON blobs, which must use double quotes.
diff --git a/core/utils/colour.js b/core/utils/colour.js
index b64b81eb5..7b2c978f4 100644
--- a/core/utils/colour.js
+++ b/core/utils/colour.js
@@ -16,7 +16,8 @@
  * @name Blockly.utils.colour
  * @namespace
  */
-goog.provide('Blockly.utils.colour');
+goog.module('Blockly.utils.colour');
+goog.module.declareLegacyNamespace();
 
 
 /**
@@ -30,9 +31,9 @@ goog.provide('Blockly.utils.colour');
  * @return {?string} A string containing a hex representation of the colour,
  *   or null if can't be parsed.
  */
-Blockly.utils.colour.parse = function(str) {
+const parse = function(str) {
   str = String(str).toLowerCase().trim();
-  var hex = Blockly.utils.colour.names[str];
+  let hex = names[str];
   if (hex) {
     // e.g. 'red'
     return hex;
@@ -47,14 +48,14 @@ Blockly.utils.colour.parse = function(str) {
     // e.g. '#0f8'
     return ['#', hex[1], hex[1], hex[2], hex[2], hex[3], hex[3]].join('');
   }
-  var rgb = str.match(/^(?:rgb)?\s*\(\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*\)$/);
+  const rgb = str.match(/^(?:rgb)?\s*\(\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*\)$/);
   if (rgb) {
     // e.g. 'rgb(0, 128, 255)'
-    var r = Number(rgb[1]);
-    var g = Number(rgb[2]);
-    var b = Number(rgb[3]);
+    const r = Number(rgb[1]);
+    const g = Number(rgb[2]);
+    const b = Number(rgb[3]);
     if (r >= 0 && r < 256 && g >= 0 && g < 256 && b >= 0 && b < 256) {
-      return Blockly.utils.colour.rgbToHex(r, g, b);
+      return rgbToHex(r, g, b);
     }
   }
   return null;
@@ -67,8 +68,8 @@ Blockly.utils.colour.parse = function(str) {
  * @param {number} b Amount of blue, int between 0 and 255.
  * @return {string} Hex representation of the colour.
  */
-Blockly.utils.colour.rgbToHex = function(r, g, b) {
-  var rgb = (r << 16) | (g << 8) | b;
+const rgbToHex = function(r, g, b) {
+  const rgb = (r << 16) | (g << 8) | b;
   if (r < 0x10) {
     return '#' + (0x1000000 | rgb).toString(16).substr(1);
   }
@@ -81,16 +82,16 @@ Blockly.utils.colour.rgbToHex = function(r, g, b) {
  *     colour format ('#ff0000', 'red', '0xff000', etc).
  * @return {!Array<number>} RGB representation of the colour.
  */
-Blockly.utils.colour.hexToRgb = function(colour) {
-  var hex = Blockly.utils.colour.parse(colour);
+const hexToRgb = function(colour) {
+  const hex = parse(colour);
   if (!hex) {
     return [0, 0, 0];
   }
 
-  var rgb = parseInt(hex.substr(1), 16);
-  var r = rgb >> 16;
-  var g = (rgb >> 8) & 255;
-  var b = rgb & 255;
+  const rgb = parseInt(hex.substr(1), 16);
+  const r = rgb >> 16;
+  const g = (rgb >> 8) & 255;
+  const b = rgb & 255;
 
   return [r, g, b];
 };
@@ -102,20 +103,20 @@ Blockly.utils.colour.hexToRgb = function(colour) {
  * @param {number} v Brightness in [0, 255].
  * @return {string} Hex representation of the colour.
  */
-Blockly.utils.colour.hsvToHex = function(h, s, v) {
-  var red = 0;
-  var green = 0;
-  var blue = 0;
+const hsvToHex = function(h, s, v) {
+  let red = 0;
+  let green = 0;
+  let blue = 0;
   if (s == 0) {
     red = v;
     green = v;
     blue = v;
   } else {
-    var sextant = Math.floor(h / 60);
-    var remainder = (h / 60) - sextant;
-    var val1 = v * (1 - s);
-    var val2 = v * (1 - (s * remainder));
-    var val3 = v * (1 - (s * (1 - remainder)));
+    const sextant = Math.floor(h / 60);
+    const remainder = (h / 60) - sextant;
+    const val1 = v * (1 - s);
+    const val2 = v * (1 - (s * remainder));
+    const val3 = v * (1 - (s * (1 - remainder)));
     switch (sextant) {
       case 1:
         red = val2;
@@ -150,8 +151,7 @@ Blockly.utils.colour.hsvToHex = function(h, s, v) {
         break;
     }
   }
-  return Blockly.utils.colour.rgbToHex(
-      Math.floor(red), Math.floor(green), Math.floor(blue));
+  return rgbToHex(Math.floor(red), Math.floor(green), Math.floor(blue));
 };
 
 /**
@@ -163,21 +163,21 @@ Blockly.utils.colour.hsvToHex = function(h, s, v) {
  *     Values should be in the range [0, 1].
  * @return {?string} Combined colour represented in hex.
  */
-Blockly.utils.colour.blend = function(colour1, colour2, factor) {
-  var hex1 = Blockly.utils.colour.parse(colour1);
+const blend = function(colour1, colour2, factor) {
+  const hex1 = parse(colour1);
   if (!hex1) {
     return null;
   }
-  var hex2 = Blockly.utils.colour.parse(colour2);
+  const hex2 = parse(colour2);
   if (!hex2) {
     return null;
   }
-  var rgb1 = Blockly.utils.colour.hexToRgb(hex1);
-  var rgb2 = Blockly.utils.colour.hexToRgb(hex2);
-  var r = Math.round(rgb2[0] + factor * (rgb1[0] - rgb2[0]));
-  var g = Math.round(rgb2[1] + factor * (rgb1[1] - rgb2[1]));
-  var b = Math.round(rgb2[2] + factor * (rgb1[2] - rgb2[2]));
-  return Blockly.utils.colour.rgbToHex(r, g, b);
+  const rgb1 = hexToRgb(hex1);
+  const rgb2 = hexToRgb(hex2);
+  const r = Math.round(rgb2[0] + factor * (rgb1[0] - rgb2[0]));
+  const g = Math.round(rgb2[1] + factor * (rgb1[1] - rgb2[1]));
+  const b = Math.round(rgb2[2] + factor * (rgb1[2] - rgb2[2]));
+  return rgbToHex(r, g, b);
 };
 
 /**
@@ -188,7 +188,7 @@ Blockly.utils.colour.blend = function(colour1, colour2, factor) {
  *
  * @type {!Object<string, string>}
  */
-Blockly.utils.colour.names = {
+const names = {
   'aqua': '#00ffff',
   'black': '#000000',
   'blue': '#0000ff',
@@ -206,3 +206,12 @@ Blockly.utils.colour.names = {
   'white': '#ffffff',
   'yellow': '#ffff00'
 };
+
+exports = {
+  parse,
+  rgbToHex,
+  hexToRgb,
+  hsvToHex,
+  blend,
+  names
+};
diff --git a/core/utils/deprecation.js b/core/utils/deprecation.js
index 4c948f22b..ad798b1ab 100644
--- a/core/utils/deprecation.js
+++ b/core/utils/deprecation.js
@@ -15,7 +15,8 @@
  * @name Blockly.utils.deprecation
  * @namespace
  */
-goog.provide('Blockly.utils.deprecation');
+goog.module('Blockly.utils.deprecation');
+goog.module.declareLegacyNamespace();
 
 
 /**
@@ -29,12 +30,13 @@ goog.provide('Blockly.utils.deprecation');
  *     if any.
  * @package
  */
-Blockly.utils.deprecation.warn = function(
-    name, deprecationDate, deletionDate, opt_use) {
-  var msg = name + ' was deprecated on ' + deprecationDate +
-        ' and will be deleted on ' + deletionDate + '.';
+const warn = function(name, deprecationDate, deletionDate, opt_use) {
+  let msg = name + ' was deprecated on ' + deprecationDate +
+      ' and will be deleted on ' + deletionDate + '.';
   if (opt_use) {
     msg += '\nUse ' + opt_use + ' instead.';
   }
   console.warn(msg);
 };
+
+exports = {warn};
diff --git a/core/utils/idgenerator.js b/core/utils/idgenerator.js
index 347b71d02..6ad7bcf55 100644
--- a/core/utils/idgenerator.js
+++ b/core/utils/idgenerator.js
@@ -16,7 +16,8 @@
  * @name Blockly.utils.IdGenerator
  * @namespace
  */
-goog.provide('Blockly.utils.IdGenerator');
+goog.module('Blockly.utils.IdGenerator');
+goog.module.declareLegacyNamespace();
 
 
 /**
@@ -24,7 +25,7 @@ goog.provide('Blockly.utils.IdGenerator');
  * @type {number}
  * @private
  */
-Blockly.utils.IdGenerator.nextId_ = 0;
+let nextId = 0;
 
 /**
  * Gets the next unique ID.
@@ -32,6 +33,8 @@ Blockly.utils.IdGenerator.nextId_ = 0;
  * Use only ASCII letters, digits, '_', '-' and '.'
  * @return {string} The next unique identifier.
  */
-Blockly.utils.IdGenerator.getNextUniqueId = function() {
-  return 'blockly-' + (Blockly.utils.IdGenerator.nextId_++).toString(36);
+const getNextUniqueId = function() {
+  return 'blockly-' + (nextId++).toString(36);
 };
+
+exports = {getNextUniqueId};
diff --git a/core/utils/keycodes.js b/core/utils/keycodes.js
index a5be94cb8..586d2f97e 100644
--- a/core/utils/keycodes.js
+++ b/core/utils/keycodes.js
@@ -16,7 +16,8 @@
  * @name Blockly.utils.KeyCodes
  * @namespace
  */
-goog.provide('Blockly.utils.KeyCodes');
+goog.module('Blockly.utils.KeyCodes');
+goog.module.declareLegacyNamespace();
 
 
 /**
@@ -29,7 +30,7 @@ goog.provide('Blockly.utils.KeyCodes');
  *
  * @enum {number}
  */
-Blockly.utils.KeyCodes = {
+const KeyCodes = {
   WIN_KEY_FF_LINUX: 0,
   MAC_ENTER: 3,
   BACKSPACE: 8,
@@ -166,3 +167,5 @@ Blockly.utils.KeyCodes = {
   // http://en.community.dell.com/support-forums/laptop/f/3518/p/19285957/19523128.aspx
   PHANTOM: 255
 };
+
+exports = KeyCodes;
diff --git a/core/utils/math.js b/core/utils/math.js
index 516972579..dade91c21 100644
--- a/core/utils/math.js
+++ b/core/utils/math.js
@@ -16,7 +16,8 @@
  * @name Blockly.utils.math
  * @namespace
  */
-goog.provide('Blockly.utils.math');
+goog.module('Blockly.utils.math');
+goog.module.declareLegacyNamespace();
 
 
 /**
@@ -25,7 +26,7 @@ goog.provide('Blockly.utils.math');
  * @param {number} angleDegrees Angle in degrees.
  * @return {number} Angle in radians.
  */
-Blockly.utils.math.toRadians = function(angleDegrees) {
+const toRadians = function(angleDegrees) {
   return angleDegrees * Math.PI / 180;
 };
 
@@ -35,7 +36,7 @@ Blockly.utils.math.toRadians = function(angleDegrees) {
  * @param {number} angleRadians Angle in radians.
  * @return {number} Angle in degrees.
  */
-Blockly.utils.math.toDegrees = function(angleRadians) {
+const toDegrees = function(angleRadians) {
   return angleRadians * 180 / Math.PI;
 };
 
@@ -46,11 +47,17 @@ Blockly.utils.math.toDegrees = function(angleRadians) {
  * @param {number} upperBound The desired upper bound.
  * @return {number} The clamped number.
  */
-Blockly.utils.math.clamp = function(lowerBound, number, upperBound) {
+const clamp = function(lowerBound, number, upperBound) {
   if (upperBound < lowerBound) {
-    var temp = upperBound;
+    const temp = upperBound;
     upperBound = lowerBound;
     lowerBound = temp;
   }
   return Math.max(lowerBound, Math.min(number, upperBound));
 };
+
+exports = {
+  toRadians,
+  toDegrees,
+  clamp
+};
diff --git a/core/utils/object.js b/core/utils/object.js
index 3e95934d2..dae55ec51 100644
--- a/core/utils/object.js
+++ b/core/utils/object.js
@@ -14,7 +14,8 @@
  * @name Blockly.utils.object
  * @namespace
  */
-goog.provide('Blockly.utils.object');
+goog.module('Blockly.utils.object');
+goog.module.declareLegacyNamespace();
 
 
 /**
@@ -23,7 +24,7 @@ goog.provide('Blockly.utils.object');
  * @param {!Function} parentCtor Parent class.
  * @suppress {strictMissingProperties} superClass_ is not defined on Function.
  */
-Blockly.utils.object.inherits = function(childCtor, parentCtor) {
+const inherits = function(childCtor, parentCtor) {
   // Set a .superClass_ property so that methods can call parent methods
   // without hard-coding the parent class name.
   // Could be replaced by ES6's super().
@@ -45,8 +46,8 @@ Blockly.utils.object.inherits = function(childCtor, parentCtor) {
  * @param {!Object} target Target.
  * @param {!Object} source Source.
  */
-Blockly.utils.object.mixin = function(target, source) {
-  for (var x in source) {
+const mixin = function(target, source) {
+  for (const x in source) {
     target[x] = source[x];
   }
 };
@@ -57,11 +58,10 @@ Blockly.utils.object.mixin = function(target, source) {
  * @param {!Object} source Source.
  * @return {!Object} The resulting object.
  */
-Blockly.utils.object.deepMerge = function(target, source) {
-  for (var x in source) {
+const deepMerge = function(target, source) {
+  for (const x in source) {
     if (source[x] != null && typeof source[x] === 'object') {
-      target[x] = Blockly.utils.object.deepMerge(
-          target[x] || Object.create(null), source[x]);
+      target[x] = deepMerge(target[x] || Object.create(null), source[x]);
     } else {
       target[x] = source[x];
     }
@@ -74,7 +74,7 @@ Blockly.utils.object.deepMerge = function(target, source) {
  * @param {!Object} obj Object containing values.
  * @return {!Array} Array of values.
  */
-Blockly.utils.object.values = function(obj) {
+const values = function(obj) {
   if (Object.values) {
     return Object.values(obj);
   }
@@ -83,3 +83,10 @@ Blockly.utils.object.values = function(obj) {
     return obj[e];
   });
 };
+
+exports = {
+  inherits,
+  mixin,
+  deepMerge,
+  values,
+};
diff --git a/core/utils/rect.js b/core/utils/rect.js
index 128ec4eae..85ade5388 100644
--- a/core/utils/rect.js
+++ b/core/utils/rect.js
@@ -16,7 +16,8 @@
  * @name Blockly.utils.Rect
  * @namespace
  */
-goog.provide('Blockly.utils.Rect');
+goog.module('Blockly.utils.Rect');
+goog.module.declareLegacyNamespace();
 
 
 /**
@@ -28,7 +29,7 @@ goog.provide('Blockly.utils.Rect');
  * @struct
  * @constructor
  */
-Blockly.utils.Rect = function(top, bottom, left, right) {
+const Rect = function(top, bottom, left, right) {
   /** @type {number} */
   this.top = top;
 
@@ -49,7 +50,7 @@ Blockly.utils.Rect = function(top, bottom, left, right) {
  * @param {number} y The y coordinate to test for containment.
  * @return {boolean} Whether this rectangle contains given coordinate.
  */
-Blockly.utils.Rect.prototype.contains = function(x, y) {
+Rect.prototype.contains = function(x, y) {
   return x >= this.left && x <= this.right && y >= this.top && y <= this.bottom;
 };
 
@@ -60,7 +61,10 @@ Blockly.utils.Rect.prototype.contains = function(x, y) {
  *    intersection with.
  * @return {boolean} Whether this rectangle intersects the provided rectangle.
  */
-Blockly.utils.Rect.prototype.intersects = function(other) {
-  return !(this.left > other.right || this.right < other.left ||
+Rect.prototype.intersects = function(other) {
+  return !(
+      this.left > other.right || this.right < other.left ||
       this.top > other.bottom || this.bottom < other.top);
 };
+
+exports = Rect;
diff --git a/core/utils/svg_paths.js b/core/utils/svg_paths.js
index e123dca28..02602e4ac 100644
--- a/core/utils/svg_paths.js
+++ b/core/utils/svg_paths.js
@@ -15,7 +15,8 @@
  * @name Blockly.utils.svgPaths
  * @namespace
  */
-goog.provide('Blockly.utils.svgPaths');
+goog.module('Blockly.utils.svgPaths');
+goog.module.declareLegacyNamespace();
 
 
 /**
@@ -28,7 +29,7 @@ goog.provide('Blockly.utils.svgPaths');
  * @return {string} A string of the format ' x,y '
  * @public
  */
-Blockly.utils.svgPaths.point = function(x, y) {
+const point = function(x, y) {
   return ' ' + x + ',' + y + ' ';
 };
 
@@ -38,14 +39,14 @@ Blockly.utils.svgPaths.point = function(x, y) {
  * These coordinates are unitless and hence in the user coordinate system.
  * @param {string} command The command to use.
  *     Should be one of: c, C, s, S, q, Q.
- * @param {!Array<string>} points  An array containing all of the points to pass to the
- *     curve command, in order.  The points are represented as strings of the
- *     format ' x, y '.
+ * @param {!Array<string>} points  An array containing all of the points to pass
+ *     to the curve command, in order.  The points are represented as strings of
+ *     the format ' x, y '.
  * @return {string} A string defining one or more Bezier curves.  See the MDN
  *     documentation for exact format.
  * @public
  */
-Blockly.utils.svgPaths.curve = function(command, points) {
+const curve = function(command, points) {
   return ' ' + command + points.join('');
 };
 
@@ -59,7 +60,7 @@ Blockly.utils.svgPaths.curve = function(command, points) {
  * @return {string} A string of the format ' M x,y '
  * @public
  */
-Blockly.utils.svgPaths.moveTo = function(x, y) {
+const moveTo = function(x, y) {
   return ' M ' + x + ',' + y + ' ';
 };
 
@@ -73,7 +74,7 @@ Blockly.utils.svgPaths.moveTo = function(x, y) {
  * @return {string} A string of the format ' m dx,dy '
  * @public
  */
-Blockly.utils.svgPaths.moveBy = function(dx, dy) {
+const moveBy = function(dx, dy) {
   return ' m ' + dx + ',' + dy + ' ';
 };
 
@@ -87,7 +88,7 @@ Blockly.utils.svgPaths.moveBy = function(dx, dy) {
  * @return {string} A string of the format ' l dx,dy '
  * @public
  */
-Blockly.utils.svgPaths.lineTo = function(dx, dy) {
+const lineTo = function(dx, dy) {
   return ' l ' + dx + ',' + dy + ' ';
 };
 
@@ -102,7 +103,7 @@ Blockly.utils.svgPaths.lineTo = function(dx, dy) {
  * @return {string} A string of the format ' l (dx,dy)+ '
  * @public
  */
-Blockly.utils.svgPaths.line = function(points) {
+const line = function(points) {
   return ' l' + points.join('');
 };
 
@@ -119,7 +120,7 @@ Blockly.utils.svgPaths.line = function(points) {
  * @return {string} A string of the format ' command val '
  * @public
  */
-Blockly.utils.svgPaths.lineOnAxis = function(command, val) {
+const lineOnAxis = function(command, val) {
   return ' ' + command + ' ' + val + ' ';
 };
 
@@ -137,6 +138,17 @@ Blockly.utils.svgPaths.lineOnAxis = function(command, val) {
  * @return {string} A string of the format 'command radius radius flags point'
  * @public
  */
-Blockly.utils.svgPaths.arc = function(command, flags, radius, point) {
+const arc = function(command, flags, radius, point) {
   return command + ' ' + radius + ' ' + radius + ' ' + flags + point;
 };
+
+exports = {
+  point,
+  curve,
+  moveTo,
+  moveBy,
+  lineTo,
+  line,
+  lineOnAxis,
+  arc,
+};
diff --git a/tests/deps.js b/tests/deps.js
index b8b42f583..79d1cdb39 100644
--- a/tests/deps.js
+++ b/tests/deps.js
@@ -170,22 +170,22 @@ goog.addDependency('../../core/touch_gesture.js', ['Blockly.TouchGesture'], ['Bl
 goog.addDependency('../../core/trashcan.js', ['Blockly.Trashcan'], ['Blockly.ComponentManager', 'Blockly.DeleteArea', 'Blockly.Events', 'Blockly.Events.TrashcanOpen', 'Blockly.IAutoHideable', 'Blockly.IPositionable', 'Blockly.Options', 'Blockly.Xml', 'Blockly.browserEvents', 'Blockly.constants', 'Blockly.registry', 'Blockly.uiPosition', 'Blockly.utils', 'Blockly.utils.Rect', 'Blockly.utils.Svg', 'Blockly.utils.dom', 'Blockly.utils.toolbox'], {'lang': 'es5'});
 goog.addDependency('../../core/utils.js', ['Blockly.utils'], ['Blockly.Msg', 'Blockly.constants', 'Blockly.utils.Coordinate', 'Blockly.utils.Rect', 'Blockly.utils.colour', 'Blockly.utils.global', 'Blockly.utils.string', 'Blockly.utils.style', 'Blockly.utils.userAgent']);
 goog.addDependency('../../core/utils/aria.js', ['Blockly.utils.aria'], []);
-goog.addDependency('../../core/utils/colour.js', ['Blockly.utils.colour'], []);
+goog.addDependency('../../core/utils/colour.js', ['Blockly.utils.colour'], [], {'lang': 'es6', 'module': 'goog'});
 goog.addDependency('../../core/utils/coordinate.js', ['Blockly.utils.Coordinate'], []);
-goog.addDependency('../../core/utils/deprecation.js', ['Blockly.utils.deprecation'], []);
-goog.addDependency('../../core/utils/dom.js', ['Blockly.utils.dom'], ['Blockly.utils.userAgent'], {'lang': 'es6', 'module': 'goog'});
+goog.addDependency('../../core/utils/deprecation.js', ['Blockly.utils.deprecation'], [], {'lang': 'es6', 'module': 'goog'});
+goog.addDependency('../../core/utils/dom.js', ['Blockly.utils.dom'], ['Blockly.utils.Svg', 'Blockly.utils.userAgent'], {'lang': 'es6', 'module': 'goog'});
 goog.addDependency('../../core/utils/global.js', ['Blockly.utils.global'], []);
-goog.addDependency('../../core/utils/idgenerator.js', ['Blockly.utils.IdGenerator'], []);
-goog.addDependency('../../core/utils/keycodes.js', ['Blockly.utils.KeyCodes'], []);
-goog.addDependency('../../core/utils/math.js', ['Blockly.utils.math'], []);
+goog.addDependency('../../core/utils/idgenerator.js', ['Blockly.utils.IdGenerator'], [], {'lang': 'es6', 'module': 'goog'});
+goog.addDependency('../../core/utils/keycodes.js', ['Blockly.utils.KeyCodes'], [], {'lang': 'es6', 'module': 'goog'});
+goog.addDependency('../../core/utils/math.js', ['Blockly.utils.math'], [], {'lang': 'es6', 'module': 'goog'});
 goog.addDependency('../../core/utils/metrics.js', ['Blockly.utils.Metrics'], []);
-goog.addDependency('../../core/utils/object.js', ['Blockly.utils.object'], []);
-goog.addDependency('../../core/utils/rect.js', ['Blockly.utils.Rect'], []);
+goog.addDependency('../../core/utils/object.js', ['Blockly.utils.object'], [], {'lang': 'es6', 'module': 'goog'});
+goog.addDependency('../../core/utils/rect.js', ['Blockly.utils.Rect'], [], {'lang': 'es6', 'module': 'goog'});
 goog.addDependency('../../core/utils/size.js', ['Blockly.utils.Size'], []);
 goog.addDependency('../../core/utils/string.js', ['Blockly.utils.string'], []);
 goog.addDependency('../../core/utils/style.js', ['Blockly.utils.style'], ['Blockly.utils.Coordinate', 'Blockly.utils.Size']);
 goog.addDependency('../../core/utils/svg.js', ['Blockly.utils.Svg'], []);
-goog.addDependency('../../core/utils/svg_paths.js', ['Blockly.utils.svgPaths'], []);
+goog.addDependency('../../core/utils/svg_paths.js', ['Blockly.utils.svgPaths'], [], {'lang': 'es6', 'module': 'goog'});
 goog.addDependency('../../core/utils/toolbox.js', ['Blockly.utils.toolbox'], ['Blockly.Xml', 'Blockly.constants']);
 goog.addDependency('../../core/utils/useragent.js', ['Blockly.utils.userAgent'], ['Blockly.utils.global']);
 goog.addDependency('../../core/utils/xml.js', ['Blockly.utils.xml'], []);