presetter-preset-rollup/source/index.ts

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/*
* *** MIT LICENSE ***
* -------------------------------------------------------------------------
* This code may be modified and distributed under the MIT license.
* See the LICENSE file for details.
* -------------------------------------------------------------------------
*
* @summary Collection of preset assets for bundling a project with rollup
*
* @author Alvis HT Tang <alvis@hilbert.space>
* @license MIT
* @copyright Copyright (c) 2021 - All Rights Reserved.
* -------------------------------------------------------------------------
*/
import { resolve } from 'path';
import { loadFile, template } from 'presetter';
import { getRollupParameter } from './rollup';
import type { PresetAsset } from 'presetter';
import type { RollupConfig } from './rollup';
// paths to the template directory
const TEMPLATES = resolve(__dirname, '..', 'templates');
const CONFIGS = resolve(__dirname, '..', 'configs');
/** config for this preset */
export type PresetConfig = {
rollup?: RollupConfig;
};
/** List of configurable variables */
export type Variable = {
/** the directory containing all source code (default: source) */
source: string;
/** the directory containing all the compiled files (default: lib) */
output: string;
};
export const DEFAULT_VARIABLE: Variable = {
source: 'source',
output: 'lib',
};
/**
* get the list of templates provided by this preset
* @returns list of preset templates
*/
export default async function (): Promise<PresetAsset> {
return {
template: {
'rollup.config.ts': async (context) => {
const content = await loadFile(
resolve(TEMPLATES, 'rollup.config.ts'),
'text',
);
const variable = await getRollupParameter(context);
return template(content, variable);
},
},
scripts: resolve(TEMPLATES, 'scripts.yaml'),
noSymlinks: ['rollup.config.ts'],
supplementaryConfig: {
gitignore: ['/rollup.config.ts'],
rollup: resolve(CONFIGS, 'rollup.yaml'),
},
variable: DEFAULT_VARIABLE,
};
}