Diffusion Ant (type-hints-typescript) Code

ant/examples/spec/json.js
899dad6b8a9etype-hints-typescript

json.js
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			import { test, testDeep, summary } from './helpers.js';

			console.log('JSON Tests\n');

			let obj1 = JSON.parse('{"name":"John","age":30}');
			test('parse object name', obj1.name, 'John');
			test('parse object age', obj1.age, 30);

			let arr = JSON.parse('[1,2,3,4,5]');
			test('parse array length', arr.length, 5);
			test('parse array first', arr[0], 1);
			test('parse array last', arr[4], 5);

			let nested = JSON.parse('{"user":{"name":"Alice","age":25},"active":true}');
			test('parse nested name', nested.user.name, 'Alice');
			test('parse nested age', nested.user.age, 25);
			test('parse nested bool', nested.active, true);

			let arrObj = JSON.parse('[{"id":1,"name":"Item1"},{"id":2,"name":"Item2"}]');
			test('parse array of objects length', arrObj.length, 2);
			test('parse array of objects first name', arrObj[0].name, 'Item1');
			test('parse array of objects second id', arrObj[1].id, 2);

			let types = JSON.parse('{"active":true,"inactive":false,"data":null,"count":123}');
			test('parse bool true', types.active, true);
			test('parse bool false', types.inactive, false);
			test('parse null', types.data, null);
			test('parse number', types.count, 123);

			let nums = JSON.parse('{"int":42,"float":3.14,"negative":-10,"zero":0}');
			test('parse int', nums.int, 42);
			test('parse float', nums.float, 3.14);
			test('parse negative', nums.negative, -10);
			test('parse zero', nums.zero, 0);

			let emptyObj = JSON.parse('{}');
			let emptyArr = JSON.parse('[]');
			testDeep('parse empty object', emptyObj, {});
			test('parse empty array length', emptyArr.length, 0);

			let stringified = JSON.stringify([10, 20, 30]);
			test('stringify array', stringified, '[10,20,30]');

			let objStr = JSON.stringify({ name: 'Charlie', age: 35 });
			test('stringify object contains name', objStr.includes('"name"'), true);
			test('stringify object contains age', objStr.includes('"age"'), true);

			let withTypes = JSON.stringify({ active: true, inactive: false, data: null });
			test('stringify bool true', withTypes.includes('true'), true);
			test('stringify bool false', withTypes.includes('false'), true);
			test('stringify null', withTypes.includes('null'), true);

			let original = '{"count":5}';
			let parsed = JSON.parse(original);
			parsed.count = 10;
			test('modify after parse', parsed.count, 10);

			let spacedJson = ' { "key" : "value" } ';
			let spacedParsed = JSON.parse(spacedJson);
			test('parse with whitespace', spacedParsed.key, 'value');

			let api = JSON.parse('{"status":"success","data":{"user":"john","token":"abc123"}}');
			test('parse api status', api.status, 'success');
			test('parse api data user', api.data.user, 'john');
			test('parse api data token', api.data.token, 'abc123');

			let roundtrip = { a: 1, b: 'two', c: true };
			let rt = JSON.parse(JSON.stringify(roundtrip));
			test('roundtrip a', rt.a, 1);
			test('roundtrip b', rt.b, 'two');
			test('roundtrip c', rt.c, true);

			summary();

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