fsdb/organizers/by_character.ts

/**
 * FSDB Organizer: By Character
 *
 * Organizes by splitting a string up and using the characters
 * for folders, eg:
 *
 * abcdefg.json => /a/ab/abc/abcdefg.json
 *
 * @module
 */

import sanitize from '../utils/sanitize.ts';

export default function by_character(value: string): string[] {
	const result: string[] = [];

	// Replace invalid filename characters and leading dots
	const sanitized_value = sanitize(value);
	const characters_remaining = sanitized_value.split('');

	let previous_characters = '';
	while (characters_remaining.length) {
		previous_characters += characters_remaining.shift();
		result.push(previous_characters);
		if (result.length >= 3) {
			break;
		}
	}

	result.push(`${sanitized_value}.json`);
	return result;
}