index.d.ts

import { Plugin } from 'rollup';
import { CompilerOptionsValue, TsConfigSourceFile } from 'typescript';

interface RollupTypescriptOptions {
    /**
     * Determine which files are transpiled by Typescript (all `.ts` and
     * `.tsx` files by default).
     */
    include?: string | RegExp | ReadonlyArray<string | RegExp> | null;
    /**
     * Determine which files are transpiled by Typescript (all `.ts` and
     * `.tsx` files by default).
     */
    exclude?: string | RegExp | ReadonlyArray<string | RegExp> | null;
    /**
     * When set to false, ignores any options specified in the config file.
     * If set to a string that corresponds to a file path, the specified file
     * will be used as config file.
     */
    tsconfig?: string | false;
    /**
     * Overrides TypeScript used for transpilation
     */
    typescript?: typeof import('typescript');
    /**
     * Overrides the injected TypeScript helpers with a custom version
     */
    tslib?: typeof import('tslib');

    /**
     * Other Typescript compiler options
     */
    [option: string]:
        | CompilerOptionsValue
        | TsConfigSourceFile
        | RollupTypescriptOptions['include']
        | RollupTypescriptOptions['typescript']
        | RollupTypescriptOptions['tslib']
        | undefined;
}

/**
 * Seamless integration between Rollup and Typescript.
 */
export default function typescript(options?: RollupTypescriptOptions): Plugin;