@mieweb/wikigdrive/esm/src/containers/transform/frontmatters/frontmatter.js

Google Drive to MarkDown synchronization

import yaml from 'js-yaml';
const pattern = /(^-{3}(?:\r\n|\r|\n)([\w\W]*?)-{3}(?:\r\n|\r|\n))?([\w\W]*)*/;
export function frontmatter(string) {
    const parsed = {
        data: null,
        content: ''
    };
    const matches = string.match(pattern);
    if (matches[2] !== undefined) {
        try {
            parsed.data = yaml.load(matches[2]) || {};
        }
        catch (err) {
            console.error(err);
        }
    }
    if (matches[3] !== undefined) {
        parsed.content = matches[3];
    }
    return parsed;
}
export const FRONTMATTER_DUMP_OPTS = {
    flowLevel: 9,
    forceQuotes: true,
    styles: {
        '!!null': 'camelcase'
    }
};