@netlify/redirect-parser/lib/netlify_config_parser.js

Parses netlify redirects into a js object representation

import { promises as fs } from 'fs';
import { parse as loadToml } from '@iarna/toml';
import { pathExists } from 'path-exists';
import { splitResults } from './results.js';
// Parse `redirects` field in "netlify.toml" to an array of objects.
// This field is already an array of objects, so it only validates and
// normalizes it.
export const parseConfigRedirects = async function (netlifyConfigPath) {
    if (!(await pathExists(netlifyConfigPath))) {
        return splitResults([]);
    }
    const results = await parseConfig(netlifyConfigPath);
    return splitResults(results);
};
// Load the configuration file and parse it (TOML)
const parseConfig = async function (configPath) {
    try {
        const configString = await fs.readFile(configPath, 'utf8');
        const config = loadToml(configString);
        // Convert `null` prototype objects to normal plain objects
        const { redirects = [] } = JSON.parse(JSON.stringify(config));
        if (!Array.isArray(redirects)) {
            throw new TypeError(`"redirects" must be an array`);
        }
        return redirects;
    }
    catch (error) {
        return [new Error(`Could not parse configuration file: ${error}`)];
    }
};