Standardize imports to work in browser + node

content/_code-samples/freeze/set-global-freeze-with-checks.js

@@ -1,4 +1,9 @@
-const xrpl = require('xrpl')
+// Dependencies for Node.js.
+// In browsers, use <script> tags as in the example demo.html.
+if (typeof module !== "undefined") {
+  // gotta use var here because const/let are block-scoped to the if statement.
+  var xrpl = require('xrpl')
+}
 
 async function main() {
   // Connect -------------------------------------------------------------------

content/_code-samples/freeze/set-global-freeze.js

@@ -1,4 +1,9 @@
-const xrpl = require('xrpl')
+// Dependencies for Node.js.
+// In browsers, use <script> tags as in the example demo.html.
+if (typeof module !== "undefined") {
+  // gotta use var here because const/let are block-scoped to the if statement.
+  var xrpl = require('xrpl')
+}
 
 async function main() {
   // Connect -------------------------------------------------------------------

content/_code-samples/freeze/set-individual-freeze.js

@@ -1,4 +1,9 @@
-const xrpl = require('xrpl')
+// Dependencies for Node.js.
+// In browsers, use <script> tags as in the example demo.html.
+if (typeof module !== "undefined") {
+  // gotta use var here because const/let are block-scoped to the if statement.
+  var xrpl = require('xrpl')
+}
 
 async function main() {
   // Connect -------------------------------------------------------------------

content/_code-samples/freeze/set-no-freeze.js

@@ -1,4 +1,9 @@
-const xrpl = require('xrpl')
+// Dependencies for Node.js.
+// In browsers, use <script> tags as in the example demo.html.
+if (typeof module !== "undefined") {
+  // gotta use var here because const/let are block-scoped to the if statement.
+  var xrpl = require('xrpl')
+}
 
 async function main() {
   // Connect -------------------------------------------------------------------