@loom-io/front-matter-converter/dist/core/utils.js

Convert front matter yaml and json into json from loom-io files

import * as YAML from "yaml";
export async function hasFrontMatter(line) {
    const firstLine = await line.read("utf8");
    return firstLine.startsWith("---");
}
export async function getFrontMatterConverter(firstLine) {
    const type = (await firstLine.read("utf8")).replace("---", "");
    if (["", "yaml", "yml"].includes(type)) {
        return YAML;
    }
    else if (type === "json") {
        return JSON;
    }
    throw new FrontMatterTypeNotSupportedException(type);
}
export class FrontMatterTypeNotSupportedException extends Error {
    constructor(type) {
        super(`The frontmatter format inside the file not supported: ${type}`);
    }
}