Object field type

lib/types/object.js

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+const _ = require('lodash');
+const normalize = require('../normalize');
+
+const parse = function (string) {
+  if (string == null) { return string; }
+
+  let object;
+  if (_.isPlainObject(string)) {
+    object = _.cloneDeep(string);
+  } else if (_.isString(string)) {
+    // peek at the string to see if it looks like JSON
+    if (string.match(/^\s*{/)) {
+      object = parseObject(string);
+    }
+  }
+
+  object = object || { valid: false };
+  if (object.valid == null) { object.valid = true; }
+  object.raw = string.raw != null ? string.raw : string;
+  return object;
+};
+
+const parseObject = function (string) {
+  try {
+    return JSON.parse(string);
+  } catch (err) {
+    return { valid: false };
+  }
+};
+
+module.exports = {
+  parse,
+  components: [],
+  maskable: false,
+  operators: [],
+  examples: [
+    '{"property_1":"abc","property_2":"def"}'
+  ].map(parse).map(normalize)
+};

test/object.test.js

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+const { assert } = require('chai');
+const object = require('../lib/types/object');
+
+describe('Object', function () {
+  const objects = [
+    {foo: 'bar'},
+    '{"foo":"bar"}'
+  ];
+
+  for (const val of objects) {
+    it(`should parse ${typeof val} ${JSON.stringify(val)} as object`, function () {
+      const parsed = object.parse(val);
+      assert.deepEqual(parsed.valueOf(), {foo: 'bar', valid: true, raw: val});
+    });
+  }
+
+  const invalids = [
+    '   ',
+    'donkey',
+    '<foo>bar</foo>'
+  ];
+
+  for (const val of invalids) {
+    it(`should parse ${typeof val} ${JSON.stringify(val)} as invalid`, function () {
+      const parsed = object.parse(val);
+      assert.deepEqual(parsed, {valid: false, raw: val});
+    });
+  }
+
+  it('should ignore whitespace', function () {
+    const val = '  {"foo":"bar"} ';
+    const parsed = object.parse(val);
+    assert.deepEqual(parsed.valueOf(), {foo: 'bar', valid: true, raw: val});
+  });
+
+  it('should handle parsing a parsed object', function () {
+    const val = '{"foo":"bar"}';
+    const parsed = object.parse(object.parse(val));
+    assert.deepEqual(parsed.valueOf(), {foo: 'bar', valid: true, raw: val});
+  });
+
+  it('should have examples', function () {
+    assert(object.examples.length);
+  });
+});