single-page-markdown-website/lib/utilities/read-config-async.js

Create a nice single-page documentation website from one or more Markdown files

import fs from 'fs-extra';
import path from 'path';
const configKey = 'single-page-markdown-website';
const defaultConfig = {
    baseUrl: null,
    description: null,
    faviconImage: null,
    links: [],
    sections: true,
    shareImage: null,
    title: null,
    toc: true,
    version: null
};
export async function readConfigAsync() {
    const packageJsonFilePath = path.resolve(process.cwd(), 'package.json');
    if ((await fs.pathExists(packageJsonFilePath)) === false) {
        return defaultConfig;
    }
    const lernaJsonFilePath = path.resolve(process.cwd(), 'lerna.json');
    const lernaJson = (await fs.pathExists(lernaJsonFilePath)) === true
        ? JSON.parse(await fs.readFile(lernaJsonFilePath, 'utf8'))
        : {};
    const packageJson = JSON.parse(await fs.readFile(packageJsonFilePath, 'utf8'));
    const config = {
        description: typeof packageJson.description === 'undefined'
            ? null
            : packageJson.description,
        links: typeof packageJson.homepage === 'undefined'
            ? []
            : [
                {
                    text: 'GitHub',
                    url: packageJson.homepage
                }
            ],
        title: typeof packageJson.name === 'undefined' ? null : packageJson.name,
        version: typeof lernaJson.version === 'undefined'
            ? typeof packageJson.version === 'undefined'
                ? null
                : `v${packageJson.version}`
            : `v${lernaJson.version}`,
        ...(typeof packageJson[configKey] === 'undefined'
            ? {}
            : packageJson[configKey])
    };
    return {
        ...defaultConfig,
        ...config
    };
}
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