@swc-node/core

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Benchmark

> transform AjaxObservable.ts to ES2015 & CommonJS JavaScript.

``
@swc-node/core x 151 ops/sec ±3.74% (77 runs sampled)
@swc/core x 107 ops/sec ±0.51% (78 runs sampled)
esbuild x 52.89 ops/sec ±1.58% (67 runs sampled)
typescript x 21.08 ops/sec ±9.68% (40 runs sampled)
Transform rxjs/AjaxObservable.ts benchmark bench suite: Fastest is @swc-node/core
`

Usage

`ts
export interface Options {
target?: 'es3' | 'es5' | 'es2015' | 'es2016' | 'es2017' | 'es2018' | 'es2019' | 'es2020'
module?: 'commonjs' | 'umd' | 'amd' | 'es6'
sourcemap?: boolean | 'inline'
experimentalDecorators?: boolean
emitDecoratorMetadata?: boolean
dynamicImport?: boolean
esModuleInterop?: boolean
keepClassNames?: boolean
react?: Partial
paths?: {
[from: string]: [string]
}
}

export interface ReactConfig {
/**
* Replace the function used when compiling JSX expressions.
*
* Defaults to React.createElement.
*/
pragma: string
/**
* Replace the component used when compiling JSX fragments.
*
* Defaults to React.Fragment
*/
pragmaFrag: string
/**
* Toggles whether or not to throw an error if a XML namespaced tag name is used. For example:
*
*
* Though the JSX spec allows this, it is disabled by default since React's
* JSX does not currently have support for it.
*
*/
throwIfNamespace: boolean
/**
* Toggles plugins that aid in development, such as @swc/plugin-transform-react-jsx-self
* and @swc/plugin-transform-react-jsx-source.
*
* Defaults to false,
*
*/
development: boolean
/**
* Use Object.assign() instead of _extends. Defaults to false.
*/
useBuiltins: boolean
}

export function transformSync(
source: string | Buffer,
path: string,
options?: Options,
): {
code: string
map: string
}

export function transform(
source: string | Buffer,
path: string,
options?: Options,
): Promise<{
code: string
map: string
}>
``