babel-preset-proposal-typescript
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Yet another Babel preset for TypeScript, only transforms proposals which TypeScript does not support now.
So that you can use babel to transform proposals which are current in stage 0-2 and TypeScript team will not implement them temporarily.
# yarn
yarn add -D babel-preset-proposal-typescript
# npm
npm i -D babel-preset-proposal-typescript
.babelrc (Recommended).babelrc
{
"presets": ["proposal-typescript"]
}
babel input.ts --presets proposal-typescript > output.ts
require('@babel/core').transform('code', {
presets: ['proposal-typescript'],
})
Pipe codes through babel-loader to ts-loader or awesome-typescript-loader.
loader = {
test: /\.ts$/,
use: [
{
loader: 'ts-loader',
},
{
loader: 'babel-loader',
options: {
presets: ['proposal-typescript'],
},
},
],
}
| option | description | defaults |
|---|---|---|
legacyDecorators | use legacy decorators semantic | true |
isTsx | enable jsx syntax for typescript | ['.jsx', '.tsx'].includes(ext) |
pipelineOperator | implementation of pipeline operator | minimal |
FAQs
Yet another Babel preset for TypeScript, only transforms proposals which TypeScript does not support now.
We found that babel-preset-proposal-typescript demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 2 open source maintainers collaborating on the project.
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