Converts object properties from number or string to Date according to provided type having Date fields. Aimed to convert parsed JSON objects to match given TypeScript interface.
npm install ts-transformer-datesConverts object properties from number or string to Date according to provided type having Date fields.
Aimed to convert parsed JSON objects to match given TypeScript interface.
Inspired by ts-transformer-keys.
TypeScript >= 2.4.1
``ts
import { toDates } from 'ts-transformer-dates';
interface Range {
dateFrom: Date;
dateTo: Date;
notes: string;
}
const value = {
dateFrom: '2020-01-12T03:25:45.000Z', // date as ISO string
dateTo: 1578799545000, // date as number of milliseconds
notes: 'brown fox'
};
toDates
console.log(value);
`
Outputs:
`js`
{
dateFrom: 2020-01-12T03:25:45.000Z,
dateTo: 2020-02-12T03:25:45.000Z,
notes: 'brown fox'
}
`js
// webpack.config.js
const datesTransformer = require('ts-transformer-dates/lib/transformer').default;
module.exports = {
// ...
module: {
rules: [
{
test: /\.ts$/,
loader: 'ts-loader', // or 'awesome-typescript-loader'
options: {
// make sure not to set transpileOnly: true here, otherwise it will not work``
getCustomTransformers: program => ({
before: [datesTransformer(program)]
})
}
}
]
}
};
MIT