@appsemble/node-utils/getValidTrainings.js

NodeJS utilities used by Appsemble internally.

import { readdir, readFile } from 'node:fs/promises';
import { logger } from './logger.js';
/**
 * Returns all the directory names that are specified in the
 * 'trainingOrder' of the chapters' `properties.json`
 *
 * @param path The absolute path to read the trainings from
 * @returns List of the directory names that contain valid trainings
 */
export async function getValidTrainings(path) {
    const chapters = await readdir(path);
    const trainingIds = [];
    for (const chapterDirectory of chapters) {
        let properties;
        try {
            properties = JSON.parse(await readFile(`${path}/${chapterDirectory}/properties.json`, 'utf8'));
        }
        catch {
            logger.error(`Chapter directory "${chapterDirectory}" is missing a 'properties.json' file`);
            continue;
        }
        const missingProperties = ['blockedBy', 'title', 'trainingOrder'].filter((prop) => !Object.prototype.hasOwnProperty.call(properties, prop));
        if (missingProperties.length > 0) {
            logger.error(`Missing properties [${missingProperties}] in "properties.json"`);
            continue;
        }
        for (const trainingDirectory of properties.trainingOrder) {
            try {
                await readdir(`${path}/${chapterDirectory}/${trainingDirectory}`);
            }
            catch {
                logger.error(`Could not find "${trainingDirectory}"`);
                continue;
            }
            try {
                await readFile(`${path}/${chapterDirectory}/${trainingDirectory}/index.md`);
            }
            catch {
                logger.error(`Training "${trainingDirectory}" is missing an index.md`);
                continue;
            }
            trainingIds.push(trainingDirectory);
        }
    }
    return trainingIds;
}
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