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feat: Typecast Objects #2

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feat: Typecast Objects #2

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1 change: 1 addition & 0 deletions .gitignore
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Original file line number Diff line number Diff line change
@@ -1,2 +1,3 @@
node_modules
package-lock.json
.vscode
22 changes: 21 additions & 1 deletion index.js
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Expand Up @@ -83,4 +83,24 @@ typecast.array = function (val) {

typecast.boolean = function (val) {
return !! val && val !== 'false' && val !== '0';
};
};

/**
* Cast `val` to `Object`
*
* @param {Mixed} val
* @api public
*/
typecast.object = function(val) {
if (val == null) return {};
if (Array.isArray(val)) return Object.assign({}, val);
if (val instanceof Object) return val;
if (typeof val !== 'string') return { value: val };
let obj = {};
try {
obj = JSON.parse(val);
} catch (error) {
obj = { value: val };
}
return obj;
};
2 changes: 1 addition & 1 deletion package.json
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Expand Up @@ -6,7 +6,7 @@
"test": "mocha --reporter spec --bail"
},
"devDependencies": {
"mocha": "~1.17.0"
"mocha": "^8.1.1"
},
"repository": {
"type": "git",
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44 changes: 42 additions & 2 deletions test/index.js
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Expand Up @@ -30,7 +30,7 @@ describe('.number()', function () {

describe('.date()', function () {
it('should return a date', function () {
assert(typecast.date('2010 10 01').valueOf() === 1285884000000);
assert(typecast.date('2010 10 01').valueOf() === 1285905600000);
})

it('should return default date if typecasting fails', function () {
Expand Down Expand Up @@ -81,6 +81,46 @@ describe('.boolean()', function () {
})
})

describe('.object()', function () {
it('should return an object', function () {
var obj = {x: 1, y: 2, z: 3};
assert(typecast.object(obj) === obj);
assert(typecast.object(1) instanceof Object);
assert(Object.entries(typecast.object('{"x": 1, "y": 2, "z": 3}')).length == 3);
assert(typecast.object('{"x": 1, "y": 2, "z": 3}').z === 3);
})

it('should preserve non-string objects', function () {
var now = new Date();
assert(typeof typecast.object(now) === 'object');
assert(Object.entries(typecast.object(now)).length == 0);
assert(typeof typecast.object(now).getTime === 'function');
});

it('should return an empty object when given a null-ish value', function () {
assert(typeof typecast.object(null) == 'object');
assert(Object.entries(typecast.object(null)).length == 0);

assert(typeof typecast.object(undefined) == 'object');
assert(Object.entries(typecast.object(undefined)).length == 0);
})

it('should return parsed JSON object when given valid JSON', function () {
const validJSON = '{"x": 1, "y": 2, "z": 3}'
assert(typeof typecast.object(validJSON) == 'object');
assert(Object.entries(typecast.object(validJSON)).length == 3);
assert(typecast.object(validJSON).z === 3);
})

it('should return value as property when given non-JSON string or other primitive', function () {
const invalidJSON = 'x: 1, y: 2, z: 3'
assert(typeof typecast.object(invalidJSON) == 'object');
assert(Object.entries(typecast.object(invalidJSON)).length == 1);
assert(typecast.object(invalidJSON).value === 'x: 1, y: 2, z: 3');
assert(typecast.object(1).value === 1);
})
})

describe('typecast()', function () {
it('should work', function () {
assert(typecast(123, 'string') === '123');
Expand All @@ -95,4 +135,4 @@ describe('typecast()', function () {
}
assert(err);
});
});
});