mod.ts

import JSON5_MOD from "https://cdn.skypack.dev/json5";

/**
 * Converts a JSON5 string into an object.
 * @template T Type of return value.
 * @param text A valid JSON string.
 * @param reviver A function that transforms the results. This function is called for each member of the object. If a member contains nested objects, the nested objects are transformed before the parent object is.
 */
export function parse<T = any>(text: string, reviver?: ((this: any, key: string, value: any) => any | null)): T {
    return JSON5_MOD.parse(text, reviver);
}

/**
 * Converts a JavaScript value to a JSON5 string.
 * @param value A JavaScript value, usually an object or array, to be converted.
 * @param replacer A function that transforms the results.
 * @param space Adds indentation, white space, and line break characters to the return-value JSON text to make it easier to read.
 */
export function stringify(value: any, replacer?: ((this: any, key: string, value: any) => any) | null, space?: string | number | undefined): string {
    // @ts-ignore
    return JSON5_MOD.stringify(value, replacer, parseInt(space) || undefined);
}

/**
 * Loads JSON5 from file synchronously
 * @param path File path or url
 */
export function require(path: string | URL): any {
    const data = Deno.readFileSync(path);
    const decoder = new TextDecoder("utf8");
    const raw = decoder.decode(data);

    return JSON5_MOD.parse(raw, null);
}

/**
 * Loads JSON5 from file asynchronously
 * @param path File path or url
 */
export async function requireAsync(path: string | URL): Promise<any> {
    const data = await Deno.readFileSync(path);
    const decoder = new TextDecoder("utf8");
    const raw = decoder.decode(data);

    return JSON5_MOD.parse(raw, null);
}

// defaults
const JSON5 = { parse, stringify, require, requireAsync };

export default JSON5;