first commit

services/web/app/src/Features/Helpers/StringHelper.js

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+/* eslint-disable
+    max-len,
+    no-unused-vars,
+*/
+// TODO: This file was created by bulk-decaffeinate.
+// Fix any style issues and re-enable lint.
+let StringHelper
+const JSON_ESCAPE_REGEXP = /[\u2028\u2029&><]/g
+
+const JSON_ESCAPE = {
+  '&': '\\u0026',
+  '>': '\\u003e',
+  '<': '\\u003c',
+  '\u2028': '\\u2028',
+  '\u2029': '\\u2029',
+}
+
+module.exports = StringHelper = {
+  // stringifies and escapes a json object for use in a script. This ensures that &, < and > characters are escaped,
+  // along with quotes. This ensures that the string can be safely rendered into HTML. See rationale at:
+  // https://api.rubyonrails.org/classes/ERB/Util.html#method-c-json_escape
+  // and implementation lifted from:
+  // https://github.com/ember-fastboot/fastboot/blob/cafd96c48564d8384eb83dc908303dba8ece10fd/src/ember-app.js#L496-L510
+  stringifyJsonForScript(object) {
+    return JSON.stringify(object).replace(
+      JSON_ESCAPE_REGEXP,
+      match => JSON_ESCAPE[match]
+    )
+  },
+}