import { test } from "https://deno.land/std@0.224.0/front_matter/mod.ts";
Tests if a string has valid front matter. Supports YAML, TOML and JSON.
Parameters
optional
formats: Format[]A list of formats to test for. Defaults to all supported formats.
import { test } from "https://deno.land/std@0.224.0/front_matter/test.ts";
test("---\ntitle: Three dashes marks the spot\n---\n"); // true
test("---toml\ntitle = 'Three dashes followed by format marks the spot'\n---\n"); // true
test("---json\n{\"title\": \"Three dashes followed by format marks the spot\"}\n---\n"); // true
test("---json\n{\"title\": \"Three dashes followed by format marks the spot\"}\n---\n", ["yaml"]); // false