@amiceli/vitest-cucumber/dist/src/parser/readfile.js

vitest tools to use Gherkin feature in unit tests

import fs from 'node:fs';
import readline from 'node:readline';
import { FeatureFileNotFoundError } from '../errors/errors';
import { GherkinParser } from './parser';
export class FeatureFileReader {
    path;
    parser;
    callerFileDir;
    static fromPath(params) {
        return new FeatureFileReader(params);
    }
    constructor(params) {
        this.callerFileDir = params.callerFileDir || null;
        this.path = this.handleFeatureFilePath(params.featureFilePath);
        this.parser = new GherkinParser(params.options);
    }
    handleFeatureFilePath(featureFilePath) {
        if (featureFilePath.match(/\.\/[\w-]+(\.[\w-]+)*$/)) {
            return `${this.callerFileDir}/${featureFilePath}`;
        }
        return featureFilePath;
    }
    async parseFile() {
        if (!fs.existsSync(this.path)) {
            throw new FeatureFileNotFoundError(this.path).message;
        }
        let parseFilleError = null;
        const fileStream = fs.createReadStream(this.path);
        const rl = readline.createInterface({
            input: fileStream,
            crlfDelay: Number.POSITIVE_INFINITY,
        });
        rl.on(`line`, (line) => {
            try {
                if (!parseFilleError) {
                    this.parser.addLine(line);
                }
            }
            catch (e) {
                parseFilleError = e;
            }
        });
        return new Promise((resolve, reject) => {
            rl.on(`close`, () => {
                if (parseFilleError) {
                    reject(parseFilleError);
                }
                else {
                    resolve(this.parser.finish());
                }
            });
        });
    }
}