remove most lodash functions

plugins/tool.minimap/minimap.js

@@ -184,7 +184,7 @@ class Minimap {
       }
       graph = this.getGraph();
       miniMapViewPortActived = true;
-      startMatrix = Util.cloneDeep(graph.getMatrix());
+      startMatrix = Util.clone(graph.getMatrix());
       miniMapScale = this.miniMapMatrix[0];
       graphScale = startMatrix[0];
       startPoint = {
@@ -202,7 +202,7 @@ class Minimap {
       if (miniMapViewPortActived && graph) {
         const dx = startPoint.clientX - ev.clientX;
         const dy = startPoint.clientY - ev.clientY;
-        const matrix = Util.cloneDeep(startMatrix);
+        const matrix = Util.clone(startMatrix);
         Util.mat3.translate(matrix, matrix, [ graphScale * dx / miniMapScale, graphScale * dy / miniMapScale ]);
         graph.updateMatrix(matrix);
       }

src/controller/animate.js

@@ -27,7 +27,7 @@ class Controller extends Base {
     group.deepEach(element => {
       const id = element.gid;
       const subStash = {
-        matrix: Util.cloneDeep(element.getMatrix())
+        matrix: Util.clone(element.getMatrix())
       };
       if (element.isItemContainer) {
         subStash.enterAnimate = item.getEnterAnimate();
@@ -38,7 +38,7 @@ class Controller extends Base {
       if (element.isShape) {
         let attrs = element.attr();
         attrs = Util.omit(attrs, [ 'matrix', 'fillStyle', 'strokeStyle', 'endArrow', 'startArrow' ]);
-        subStash.attrs = Util.cloneDeep(attrs);
+        subStash.attrs = Util.clone(attrs);
       }
       subStash.item = item;
       subStash.element = element;

src/graph.js

@@ -108,7 +108,7 @@ class Graph extends Base {
     const cfg = {};
 
     Mixins.forEach(Mixin => {
-      Util.mix(cfg, Util.cloneDeep(Mixin.CFG), inputCfg);
+      Util.mix(cfg, Util.clone(Mixin.CFG), inputCfg);
     });
     super(cfg);
     // plugin should init before all
@@ -467,7 +467,7 @@ class Graph extends Base {
       const model = child.model;
       if (model) {
         const type = child.itemType;
-        const saveModel = Util.cloneDeep(model);
+        const saveModel = Util.clone(model);
         saveModel.index = index;
         rst[type + 's'].push(saveModel);
       }

src/helper/graph2canvas.js

@@ -98,7 +98,7 @@ class Graph2Canvas {
       afterTransform } = this.options;
     const canvas = this.getCanvas();
     const graphBBox = graph.getBBox();
-    const matrixCache = Util.cloneDeep(graph.getMatrix());
+    const matrixCache = Util.clone(graph.getMatrix());
     const padding = graph.getFitViewPadding();
     const graphCanvas = graph.getCanvas();
     const matrix = Util.getAutoZoomMatrix({

src/tree.js

@@ -365,7 +365,7 @@ class Tree extends Graph {
   }
   save() {
     const rst = {
-      roots: Util.cloneDeep(this.getSource().roots),
+      roots: Util.clone(this.getSource().roots),
       guides: this.getGuides().map(guide => {
         return guide.getModel();
       })

src/util/base.js

@@ -8,16 +8,25 @@ const Util = require('@antv/util/lib');
 
 const BaseUtil = {
   ...Util,
-  omit: require('lodash/omit'),
-  lowerFirst: require('lodash/lowerFirst'),
-  isPlainObject: require('lodash/isPlainObject'),
-  indexOf: require('lodash/indexOf'),
-  cloneDeep: require('lodash/cloneDeep'),
-  round: require('lodash/round'),
-  filter: require('lodash/filter'),
   throttle: require('lodash/throttle'),
   debounce: require('lodash/debounce'),
-  uniq: require('lodash/uniq'),
+  /**
+   * The opposite of pick; this method creates an object composed of the own and inherited enumerable property paths of object that are not omitted.
+   * var object = { 'a': 1, 'b': '2', 'c': 3 };
+   * omit(object, ['a', 'c']); // => { 'b': '2' }
+   * @param  {object}      object - input object
+   * @param  {function}    array - condition array
+   * @return  {object}     result object
+   */
+  omit(object, array) {
+    const rst = {};
+    Util.each(object, (value, key) => {
+      if (array.indexOf(key) === -1) {
+        rst[key] = value;
+      }
+    });
+    return rst;
+  },
   /**
    * traverse tree
    * @param  {object}      parent      parent

test/unit/cases/anchor-spec.js

@@ -17,7 +17,7 @@ const graph = new Graph({
   height
 });
 
-graph.source(Util.cloneDeep(data));
+graph.source(Util.clone(data));
 
 graph.render();
 
@@ -31,7 +31,7 @@ describe('anchor user case test', () => {
     G6.registerNode('test1', {
       anchor: getDefaultAnchors
     });
-    const tmpData = Util.cloneDeep(data);
+    const tmpData = Util.clone(data);
     tmpData.nodes = tmpData.nodes.map(item => {
       item.shape = 'test1';
       return item;
@@ -60,7 +60,7 @@ describe('anchor user case test', () => {
       },
       anchor: getDefaultAnchors()
     });
-    const tmpData = Util.cloneDeep(data);
+    const tmpData = Util.clone(data);
     tmpData.nodes = tmpData.nodes.map(item => {
       item.shape = 'test2';
       return item;
@@ -105,7 +105,7 @@ describe('anchor user case test', () => {
       }
     });
 
-    const tmpData = Util.cloneDeep(data);
+    const tmpData = Util.clone(data);
     tmpData.nodes = tmpData.nodes.map(item => {
       item.shape = 'test3';
       return item;
@@ -133,7 +133,7 @@ describe('anchor user case test', () => {
       }
     });
 
-    const tmpData = Util.cloneDeep(data);
+    const tmpData = Util.clone(data);
     tmpData.nodes = tmpData.nodes.map(item => {
       item.shape = 'test';
       return item;

test/unit/cases/animate-spec.js

@@ -19,7 +19,7 @@ describe('test graph aniamte', () => {
     }
   });
   it('test read', done => {
-    graph.read(Util.cloneDeep(data), true);
+    graph.read(Util.clone(data), true);
     setTimeout(() => {
       done();
     }, delay);

test/unit/cases/behaviour-mode-spec.js

@@ -32,7 +32,7 @@ describe('graph behaviour-mode user cases test', () => {
         edit: [ 'test-2' ]
       }
     });
-    graph.source(Util.cloneDeep(data));
+    graph.source(Util.clone(data));
     graph.render();
 
     const canvas = graph.getCanvas();

test/unit/cases/bug-spec.js

@@ -26,7 +26,7 @@ const graph = new Graph({
   width: 500,
   height: 500
 });
-graph.source(Util.cloneDeep(data));
+graph.source(Util.clone(data));
 graph.render();
 graph.update('node3', {
   shape: 'custom'

test/unit/cases/force-fit-spec.js

@@ -14,7 +14,7 @@ describe('force fit user cases test', () => {
       container: div
     });
     const el = graph.get('_canvas').get('el');
-    graph.source(Util.cloneDeep(data));
+    graph.source(Util.clone(data));
     graph.render();
     expect(el.style.width).equal('200px');
     expect(el.style.height).equal('200px');
@@ -30,7 +30,7 @@ describe('force fit user cases test', () => {
       height: 500
     });
     const el = graph.get('_canvas').get('el');
-    graph.source(Util.cloneDeep(data));
+    graph.source(Util.clone(data));
     graph.render();
     expect(el.style.width).equal('200px');
     expect(el.style.height).equal('500px');
@@ -42,7 +42,7 @@ describe('force fit user cases test', () => {
       width: 500
     });
     const el = graph.get('_canvas').get('el');
-    graph.source(Util.cloneDeep(data));
+    graph.source(Util.clone(data));
     graph.render();
     expect(el.style.width).equal('500px');
     expect(el.style.height).equal('200px');

test/unit/cases/layout-spec.js

@@ -19,7 +19,7 @@ const graph = new Graph({
   layout: layoutObj
 });
 graph.node().label(333);
-graph.read(Util.cloneDeep(data));
+graph.read(Util.clone(data));
 const nodes = graph.getNodes();
 Util.each(nodes, (node, index) => {
   expect(node.getModel().x).equal((index + 1) * 80);
@@ -34,7 +34,7 @@ describe('layout user cases test', () => {
       layout: layoutObj
     });
     graph.node().label(333);
-    graph.read(Util.cloneDeep(data));
+    graph.read(Util.clone(data));
     const nodes = graph.getNodes();
     Util.each(nodes, (node, index) => {
       expect(node.getModel().x).equal((index + 1) * 80);
@@ -52,7 +52,7 @@ describe('layout user cases test', () => {
         });
       }
     });
-    graph.read(Util.cloneDeep(data));
+    graph.read(Util.clone(data));
     const nodes = graph.getNodes();
     Util.each(nodes, (node, index) => {
       expect(node.getModel().x).equal((index + 1) * 80);
@@ -83,7 +83,7 @@ describe('layout user cases test', () => {
         }
       }
     });
-    graph.read(Util.cloneDeep(data));
+    graph.read(Util.clone(data));
     const nodes = graph.getNodes();
     Util.each(nodes, node => {
       const model = node.getModel();
@@ -105,7 +105,7 @@ describe('layout user cases test', () => {
       }
     });
     graph.node().label(333);
-    graph.read(Util.cloneDeep(data));
+    graph.read(Util.clone(data));
     graph.add('node', {
       id: 'node10',
       y: 30
@@ -129,7 +129,7 @@ describe('layout user cases test', () => {
         }
       }
     });
-    graph.source(Util.cloneDeep(data));
+    graph.source(Util.clone(data));
     graph.render();
     graph.layout();
     graph.destroy();

test/unit/cases/mapper-spec.js

@@ -22,7 +22,7 @@ describe('mapping user cases test', () => {
   graph.guide().label(model => {
     return model.id;
   });
-  graph.source(Util.cloneDeep(data));
+  graph.source(Util.clone(data));
   graph.render();
   it('node mapping', () => {
     const nodes = graph.getNodes();

test/unit/controller/event-spec.js

@@ -21,7 +21,7 @@ const graph = new Graph({
   height
 });
 const items = [ '', 'node', 'edge' ];
-graph.source(Util.cloneDeep(data));
+graph.source(Util.clone(data));
 graph.render();
 const nodePoint = { x: 209, y: 161 };
 const emptyPoint = { x: 188, y: 86 };

test/unit/graph-spec.js

@@ -17,7 +17,7 @@ const graph = new Graph({
 
   }
 });
-graph.source(Util.cloneDeep(data));
+graph.source(Util.clone(data));
 graph.render();
 graph.update('node3', {
   x: 111

test/unit/item/edge-spec.js

@@ -16,7 +16,7 @@ const graph = new Graph({
   width: 500,
   height: 500
 });
-graph.source(Util.cloneDeep(data));
+graph.source(Util.clone(data));
 graph.render();
 
 describe('edge item test', () => {

test/unit/item/group-spec.js

@@ -6,7 +6,7 @@ const Util = require('../../../src/util/');
 const div = document.createElement('div');
 let data = require('../../fixtures/sample-graph-data.json');
 chai.use(chaiAlmost());
-data = Util.cloneDeep(data);
+data = Util.clone(data);
 div.id = 'cchart';
 document.body.appendChild(div);
 data.nodes.forEach(node => {

test/unit/item/item-spec.js

@@ -13,7 +13,7 @@ const graph = new Graph({
   width: 500,
   height: 500
 });
-graph.source(Util.cloneDeep(data));
+graph.source(Util.clone(data));
 graph.render();
 
 describe('item test', () => {

test/unit/item/node-spec.js

@@ -6,7 +6,7 @@ const Util = require('../../../src/util/');
 const div = document.createElement('div');
 let data = require('../../fixtures/sample-graph-data.json');
 chai.use(chaiAlmost());
-data = Util.cloneDeep(data);
+data = Util.clone(data);
 div.id = 'cchart';
 document.body.appendChild(div);
 data.nodes.forEach(node => {
@@ -17,7 +17,7 @@ const graph = new Graph({
   width: 500,
   height: 500
 });
-graph.source(Util.cloneDeep(data));
+graph.source(Util.clone(data));
 graph.render();
 
 describe('node item test', () => {

test/unit/util/graph-spec.js

@@ -11,7 +11,7 @@ const graph = new Graph({
   width: 500,
   height: 500
 });
-graph.read(Util.cloneDeep(data));
+graph.read(Util.clone(data));
 describe('graph util test', () => {
   it('isNode', () => {
     expect(Util.isNode()).not.equal(true);