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import * as postcss from 'postcss';
import postcssNodeExtract = require('./lib/postcss-node-extract');
import { PRESERVE_LINES_END, PRESERVE_LINES_START } from './const';
import { IProcessOptions } from './interfaces/IProcessOptions';
/**
* Synchronously extract nodes from a string.
*/
export const processSync = ({
css,
filters,
customFilters,
postcssSyntax,
preserveLines,
}: IProcessOptions) => postcss(postcssNodeExtract(filters, customFilters, preserveLines))
.process(css, { syntax: postcssSyntax }).css
.replace(new RegExp(`\\/\\* ${PRESERVE_LINES_START}|${PRESERVE_LINES_END} \\*\\/`, `g`), ``);
/**
* Asynchronously extract nodes from a string.
*/
export const process = (options: IProcessOptions): Promise<string> => new Promise((resolve) => {
const result = processSync(options);
resolve(result);
});
/**
* cssNodeExtract
*/
export default {
process,
processSync,
};