Replace isomorphic-fetch with cross-fetch in node.js guide (#573)

* replace isomorphic-fetch with cross-fetch in node.js guide

* docs(book): default to suggesting node-fetch for Node.js developers

AFFECTS PACKAGES:
@esri/arcgis-rest-feature-layer
@esri/arcgis-rest-geocoding
@esri/arcgis-rest-request
node-cli
batch-geocoder
@esri/arcgis-rest-demo-express
cli-item-management
sapper-webmap-checker

ISSUES CLOSED: #411

* promote cross-fetch instead

demos/ago-node-cli/ago.js

@@ -1,6 +1,7 @@
 #!/usr/bin/env node
-require('isomorphic-fetch');
+require('cross-fetch/polyfill');
 require('isomorphic-form-data');
+
 /**
  * This demo uses the commander module, which streamlines the creation of command-line-applications
  */

demos/ago-node-cli/package.json

@@ -23,7 +23,7 @@
     "@esri/arcgis-rest-request": "^2.0.3",
     "chalk": "^2.3.0",
     "commander": "^2.12.2",
-    "isomorphic-fetch": "^2.2.1",
+    "cross-fetch": "^3.0.0",
     "isomorphic-form-data": "^1.0.0",
     "jsonfile": "^4.0.0"
   }

demos/batch-geocoder-node/batch-geocode.js

@@ -1,9 +1,9 @@
-require('isomorphic-fetch');
+require('cross-fetch/polyfill');
 require('isomorphic-form-data');
 const fs = require('fs');
 const Papa = require('papaparse');
 const { ApplicationSession } = require('@esri/arcgis-rest-auth');
-const { bulkGeocode } = require('@esri/arcgis-rest-geocoder');
+const { bulkGeocode } = require('@esri/arcgis-rest-geocoding');
 const config = require('./config');
 
 // FUNCTIONS!

demos/batch-geocoder-node/package.json

@@ -31,7 +31,7 @@
     "@esri/arcgis-rest-common": "^1.19.2",
     "@esri/arcgis-rest-geocoding": "^2.0.3",
     "@esri/arcgis-rest-request": "^2.0.3",
-    "isomorphic-fetch": "^2.2.1",
+    "cross-fetch": "^3.0.0",
     "isomorphic-form-data": "^2.0.0",
     "papaparse": "^4.6.0"
   }

demos/express/package.json

@@ -9,7 +9,7 @@
     "@esri/arcgis-rest-auth": "^2.0.3",
     "@esri/arcgis-rest-request": "^2.0.3",
     "express": "^4.16.3",
-    "isomorphic-fetch": "^2.2.1",
+    "cross-fetch": "^3.0.0",
     "isomorphic-form-data": "^2.0.0"
   },
   "scripts": {

demos/express/server.js

@@ -1,4 +1,4 @@
-require("isomorphic-fetch");
+require("cross-fetch/polyfill");
 require("isomorphic-form-data");
 const express = require("express");
 const app = express();
@@ -29,5 +29,5 @@ app.get("/authenticate", function(req, res) {
 });
 
 app.listen(3000, function() {
-  console.log("Example app listening on port 3000!");
+  console.log("visit http://localhost:3000/authorize to test the application!");
 });

demos/node-cli-item-management/index.js

@@ -1,7 +1,8 @@
-require("isomorphic-fetch");
+require('cross-fetch/polyfill');
 require("isomorphic-form-data");
 const prompts = require("prompts");
 const chalk = require("chalk");
+const { setDefaultRequestOptions } = require('@esri/arcgis-rest-request');
 const { UserSession } = require("@esri/arcgis-rest-auth");
 const {
   searchItems,