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/**
* Remove parts of files from outputs. Everything between a pair of `/* start-delete-from-build *\u002f`
* and `/* end-delete-from-build *\u002f` comments
*
* Based on https://github.com/se-panfilov/rollup-plugin-strip-code
*/
import { createFilter } from '@rollup/pluginutils';
const START_COMMENT = 'start-delete-from-build';
const END_COMMENT = 'end-delete-from-build';
/**
* Remove lines of code surrounded by comments
*
* @param {Object} [options] Options
* @param {string} [options.include] Files to inlcude
* @param {string} [options.exclude] Files to exclude
* @param {string} [options.startComment] Starting keywork, default start-delete-from-build
* @param {string} [options.endComment] Eding keywork, default end-delete-from-build
* @param {RegExp} [options.pattern] Custom regex
* @return void
*/
export default function excludeLines(options = {}) {
// assume that the myPlugin accepts options of `options.include` and `options.exclude`
const filter = createFilter(options.include, options.exclude);
return {
transform(code, id) {
if (!filter(id)) {
return;
}
const startComment = options.startComment || START_COMMENT;
const endComment = options.endComment || END_COMMENT;
const defaultPattern = new RegExp(`([\\t ]*\\/\\* ?${startComment} ?\\*\\/)[\\s\\S]*?(\\/\\* ?${endComment} ?\\*\\/[\\t ]*\\n?)`, 'g');
return code.replace(options.pattern || defaultPattern, '');
}
};
}
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