Roughing out the demo app

node_modules/json-parse-helpfulerror/README.md

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+# json-parse-helpfulerror
+
+A drop-in replacement for `JSON.parse` that uses
+<https://npmjs.org/jju> to provide more useful error messages in the
+event of a parse error.
+
+# Example
+
+## Installation
+
+```
+npm i -S json-parse-helpfulerror
+```
+
+## Use
+
+```js
+var jph = require('json-parse-helpfulerror');
+
+var notJSON = "{'foo': 3}";     // keys must be double-quoted in JSON
+
+JSON.parse(notJSON);            // throws unhelpful error
+
+jph.parse("{'foo': 3}")         // throws more helpful error: "Unexpected token '\''..."
+```
+
+# License
+
+MIT