add dev declarations.

.jshintrc

@@ -65,7 +65,6 @@
     "white": false,
 
     "predef": [
-        "__DEV__",
         "global"
     ]
 }
\ No newline at end of file

build/config.js

@@ -15,9 +15,7 @@ function getPathBasedOnECharts(path) {
  * @param {boolean} [addBundleVersion=false]
  */
 function getPlugins(min, lang, addBundleVersion) {
-    let plugins = [
-        ecDevPlugin()
-    ];
+    let plugins = [];
 
     lang && plugins.push(
         ecLangPlugin({lang})

src/chart/bar/BarView.js

+import {__DEV__} from '../../config';
 import * as echarts from '../../echarts';
 import * as zrUtil from 'zrender/src/core/util';
 import * as graphic from '../../util/graphic';

src/chart/custom.js

+import {__DEV__} from '../config';
 import * as echarts from '../echarts';
 import * as zrUtil from 'zrender/src/core/util';
 import * as graphicUtil from '../util/graphic';

src/chart/heatmap/HeatmapView.js

+import {__DEV__} from '../../config';
 import * as echarts from '../../echarts';
 import * as graphic from '../../util/graphic';
 import HeatmapLayer from './HeatmapLayer';

src/chart/helper/createListFromArray.js

+import {__DEV__} from '../../config';
 import * as zrUtil from 'zrender/src/core/util';
 import List from '../../data/List';
 import completeDimensions from '../../data/helper/completeDimensions';

src/chart/line/LineSeries.js

+import {__DEV__} from '../../config';
 import createListFromArray from '../helper/createListFromArray';
 import SeriesModel from '../../model/Series';
 

src/chart/line/LineView.js

 // FIXME step not support polar
 
+import {__DEV__} from '../../config';
 import * as zrUtil from 'zrender/src/core/util';
 import SymbolDraw from '../helper/SymbolDraw';
 import SymbolClz from '../helper/Symbol';

src/chart/lines/LinesSeries.js

+import {__DEV__} from '../../config';
 import SeriesModel from '../../model/Series';
 import List from '../../data/List';
 import * as zrUtil from 'zrender/src/core/util';

src/chart/lines/LinesView.js

+import {__DEV__} from '../../config';
 import * as echarts from '../../echarts';
 import LineDraw from '../helper/LineDraw';
 import EffectLine from '../helper/EffectLine';

src/chart/lines/linesLayout.js

+import {__DEV__} from '../../config';
 
 export default function (ecModel) {
     ecModel.eachSeriesByType('lines', function (seriesModel) {

src/component/axis/AxisView.js

+import {__DEV__} from '../../config';
 import * as echarts from '../../echarts';
 import * as axisPointerModelHelper from '../axisPointer/modelHelper';
 

src/component/brush/BrushModel.js

+import {__DEV__} from '../../config';
 import * as echarts from '../../echarts';
 import * as zrUtil from 'zrender/src/core/util';
 import * as visualSolution from '../../visual/visualSolution';

src/component/dataZoom/DataZoomModel.js

+import {__DEV__} from '../../config';
 import * as echarts from '../../echarts';
 import * as zrUtil from 'zrender/src/core/util';
 import env from 'zrender/src/core/env';

src/component/graphic.js

+import {__DEV__} from '../config';
 import * as echarts from '../echarts';
 import * as zrUtil from 'zrender/src/core/util';
 

src/component/helper/BrushController.js

+import {__DEV__} from '../../config';
 import * as zrUtil from 'zrender/src/core/util';
 import Eventful from 'zrender/src/mixin/Eventful';
 import * as graphic from '../../util/graphic';

src/component/helper/BrushTargetManager.js

+import {__DEV__} from '../../config';
 import * as zrUtil from 'zrender/src/core/util';
 import * as graphic from '../../util/graphic';
 import * as modelUtil from '../../util/model';

src/component/legend/LegendView.js

+import {__DEV__} from '../../config';
 import * as echarts from '../../echarts';
 import * as zrUtil from 'zrender/src/core/util';
 import {createSymbol} from '../../util/symbol';

src/component/marker/MarkerModel.js

+import {__DEV__} from '../../config';
 import * as echarts from '../../echarts';
 import * as zrUtil from 'zrender/src/core/util';
 import env from 'zrender/src/core/env';

src/component/radar/RadarView.js

+import {__DEV__} from '../../config';
 import * as echarts from '../../echarts';
 import * as zrUtil from 'zrender/src/core/util';
 import AxisBuilder from '../axis/AxisBuilder';

src/component/visualMap/PiecewiseModel.js

+import {__DEV__} from '../../config';
 import * as zrUtil from 'zrender/src/core/util';
 import VisualMapModel from './VisualMapModel';
 import VisualMapping from '../../visual/VisualMapping';

src/config.js

@@ -2,13 +2,16 @@
 // Enable DEV mode when using source code without build. which has no __DEV__ variable
 // In build process 'typeof __DEV__' will be replace with 'boolean'
 // So this code will be removed or disabled anyway after built.
-if (typeof __DEV__ === 'undefined') {
-    // In browser
-    if (typeof window !== 'undefined') {
-        window.__DEV__ = true;
-    }
-    // In node
-    else if (typeof global !== 'undefined') {
-        global.__DEV__ = true;
-    }
-}
+// if (typeof __DEV__ === 'undefined') {
+//     // In browser
+//     if (typeof window !== 'undefined') {
+//         window.__DEV__ = true;
+//     }
+//     // In node
+//     else if (typeof global !== 'undefined') {
+//         global.__DEV__ = true;
+//     }
+// }
+
+export var __DEV__ = true;
+

src/coord/axisHelper.js

+import {__DEV__} from '../config';
 import * as zrUtil from 'zrender/src/core/util';
 import * as textContain from 'zrender/src/contain/text';
 import OrdinalScale from '../scale/Ordinal';

src/coord/cartesian/Grid.js

@@ -4,6 +4,7 @@
  * TODO Default cartesian
  */
 
+import {__DEV__} from '../../config';
 import * as zrUtil from 'zrender/src/core/util';
 import BoundingRect from 'zrender/src/core/BoundingRect';
 import {getLayoutRect} from '../../util/layout';

src/coord/geo/geoCreator.js

+import {__DEV__} from '../../config';
 import * as echarts from '../../echarts';
 import * as zrUtil from 'zrender/src/core/util';
 import Geo from './Geo';

src/coord/polar/polarCreator.js

 // TODO Axis scale
 
+import {__DEV__} from '../../config';
 import * as zrUtil from 'zrender/src/core/util';
 import Polar from './Polar';
 import {parsePercent} from '../../util/number';

src/data/Graph.js

@@ -5,6 +5,7 @@
  * @author Yi Shen(https://www.github.com/pissang)
  */
 
+import {__DEV__} from '../config';
 import * as zrUtil from 'zrender/src/core/util';
 
 // id may be function name of Object, add a prefix to avoid this problem.

src/data/List.js

@@ -3,6 +3,7 @@
  * @module echarts/data/List
  */
 
+import {__DEV__} from '../config';
 import * as zrUtil from 'zrender/src/core/util';
 import Model from '../model/Model';
 import DataDiffer from './DataDiffer';

src/echarts.js

@@ -9,6 +9,7 @@
  * https://github.com/ecomfe/echarts/blob/master/LICENSE.txt
  */
 
+import {__DEV__} from './config';
 import * as zrender from 'zrender/src/zrender';
 import * as zrUtil from 'zrender/src/core/util';
 import * as colorTool from 'zrender/src/tool/color';

src/model/Global.js

@@ -18,6 +18,7 @@
  * `mergeOption` in module:echarts/model/OptionManager.
  */
 
+import {__DEV__} from '../config';
 import * as zrUtil from 'zrender/src/core/util';
 import * as modelUtil from '../util/model';
 import Model from './Model';

src/model/Series.js

+import {__DEV__} from '../config';
 import * as zrUtil from 'zrender/src/core/util';
 import env from 'zrender/src/core/env';
 import {

src/util/clazz.js

+import {__DEV__} from '../config';
 import * as zrUtil from 'zrender/src/core/util';
 
 var TYPE_DELIMITER = '.';