Correct the lodash import for tree shaking (valor-software#1123)

* Correct the lodash import for tree shaking

* move to lodash-es for tree shaking

* hoist lodash-es for demo project

* set ng analytics to ci

* bump node version for angular cli 8

.travis.yml

@@ -1,9 +1,13 @@
 dist: trusty
 sudo: false
-
 language: node_js
+
+env:
+  - NG_CLI_ANALYTICS="ci"
+
 node_js: "10"
 
+
 addons:
   apt:
     sources:

package.json

@@ -40,6 +40,7 @@
     "chartjs-plugin-datalabels": "^0.6.0",
     "core-js": "^3.1.3",
     "highlight.js": "^9.15.8",
+    "lodash-es": "^4.17.11",
     "luxon": "^1.15.0",
     "marked": "^0.6.2",
     "ngx-highlightjs": "^3.0.3",
@@ -58,6 +59,7 @@
     "@types/chart.js": "^2.7.53",
     "@types/jasmine": "^3.3.13",
     "@types/jasminewd2": "~2.0.3",
+    "@types/lodash-es": "^4.17.3",
     "@types/node": "^12.0.3",
     "codelyzer": "~4.5.0",
     "cypress": "^3.4.1",

projects/ng2-charts/ng-package.json

@@ -5,11 +5,11 @@
     "entryFile": "src/public_api.ts",
     "umdModuleIds": {
       "chart.js": "chart_js",
-      "lodash": "_"
+      "lodash-es": "_"
     }
   },
   "whitelistedNonPeerDependencies": [
     "@types/chart.js",
-    "lodash"
+    "lodash-es"
   ]
 }

projects/ng2-charts/package.json

@@ -9,12 +9,12 @@
   },
   "dependencies": {
     "@types/chart.js": "^2.7.48",
-    "lodash": "^4.17.11"
+    "lodash-es": "^4.17.11"
   },
   "description": "Reactive, responsive, beautiful charts for Angular2 based on Chart.js",
   "main": "src/public_api.ts",
   "devDependencies": {
-    "@types/lodash": "^4.14.123"
+    "@types/lodash-es": "^4.17.3"
   },
   "scripts": {
     "test": "echo \"Error: no test specified\" && exit 1"

projects/ng2-charts/src/lib/base-chart.directive.ts

@@ -15,7 +15,7 @@ import { getColors } from './get-colors';
 import { Color } from './color';
 import { ThemeService } from './theme.service';
 import { Subscription } from 'rxjs';
-import { cloneDeep } from 'lodash';
+import { cloneDeep } from 'lodash-es';
 
 export type SingleDataSet = (number[] | chartJs.ChartPoint[]);
 export type MultiDataSet = (number[] | chartJs.ChartPoint[])[];