Add dynmaic import for plotly lib

Author: risenW

src/danfojs-base/plotting/index.ts

@@ -26,15 +26,12 @@ import Series from "../core/series";
 import DataFrame from "../core/frame";
 import { PlotConfigObject, IPlotlyLib } from "../shared/types"
 
-import Plotly from "plotly.js-dist-min"
+let Plotly: IPlotlyLib;
 
+if (typeof window !== "undefined") {
+    //check if in browser environment and require "plotly.js-dist-min" module
+    Plotly = require("plotly.js-dist-min") as IPlotlyLib;
 
-try {
-    // @ts-ignore
-    const version = Plotly.version;
-    console.info(`Using Plotly version ${version}`);
-} catch (error) {
-    console.info(`Plotly CDN not found. If you need to make Plots, then add the Plotly CDN to your script`);
 }
 
 class PlotlyLib implements IPlotlyLib {

src/danfojs-node/package.json

@@ -27,7 +27,9 @@
     "seedrandom": "^2.4.3",
     "stream-json": "^1.7.3",
     "table": "6.7.1",
-    "xlsx": "^0.17.2"
+    "xlsx": "^0.17.2",
+    "plotly.js-dist-min": "^2.8.0"
+    
   },
   "scripts": {
     "test": "nyc mocha --require ts-node/register test/**/*.test.ts",

src/danfojs-node/tsconfig.json

@@ -2,7 +2,7 @@
   "compilerOptions": {
     "target": "es5",                          /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', 'ES2018', 'ES2019', 'ES2020', or 'ESNEXT'. */
     "module": "commonjs",                     /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', 'es2020', or 'ESNext'. */
-    "lib": ["es6"],                           /* Specify library files to be included in the compilation. */
+    "lib": ["es6", "DOM"],                           /* Specify library files to be included in the compilation. */
     "allowJs": true,                          /* Allow javascript files to be compiled. */
     "outDir": "./dist",                        /* Redirect output structure to the directory. */
     "strict": true,                           /* Enable all strict type-checking options. */

src/danfojs-node/yarn.lock

@@ -4214,6 +4214,11 @@ pkg-dir@^4.1.0:
   dependencies:
     find-up "^4.0.0"
 
+plotly.js-dist-min@^2.8.0:
+  version "2.8.3"
+  resolved "https://registry.yarnpkg.com/plotly.js-dist-min/-/plotly.js-dist-min-2.8.3.tgz#0ffa317de10dd48f0c32d15c83c41f60230f50b3"
+  integrity sha512-TjovBrqIbedUfjGWNMMs++az3lF4hsIAB8EjqM/mC0cPrO7Wg86lBkHAsRbMra5aWyXA+M52yiQUUKBfThqwzg==
+
 posix-character-classes@^0.1.0:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/posix-character-classes/-/posix-character-classes-0.1.1.tgz#01eac0fe3b5af71a2a6c02feabb8c1fef7e00eab"