@codesnippets/codesnippets/src/snippets.ts

Open source code snippets and examples.

import fs = require('fs');
import glob = require('glob');
import path = require('path');
const syncRequest = require('sync-request');
import { isUpToDateSync } from './checkLock';
import { Language } from './language';

let indexPath = path.resolve(path.join(__dirname, '../snippets.lock.json'));
let index;
let lockUrl = 'https://raw.githubusercontent.com/trimorphdev/codesnippets/master/snippets.lock.json';

/**
 * Reloads the snippets index.
 */
export function reload() {
	if (isUpToDateSync()) {
		let contents: string = fs.readFileSync(indexPath).toString();
		index = JSON.parse(contents);
	} else {
		let res = syncRequest('GET', lockUrl);
		fs.writeFileSync(indexPath, res.body);
		index = JSON.parse(res.body.toString());
	}
}

/**
 * Gets a language by name.
 * @param name name of the Language
 * @returns the associated Language object
 */
export function getLanguage(name: string): Language {
	if (!index)
		reload();

	for (let key of Object.keys(index)) {
		if (key.toLowerCase() == name.toLowerCase()) {
			return new Language(key, index[key]);
		}
	}
}

/**
 * A list of language names defined in snippets.jsonc
 * @returns list of languages
 */
 export function getLanguageNames(): string[] {
	if (!index)
		reload();

	let languages = [];

	for (let item of Object.keys(index)) {
		languages.push(item);
	}

	return languages;
}

/**
 * Gets a list of languages defined in snippets.jsonc
 * @returns list of languages
 */
 export function getLanguages(): Language[] {
	if (!index)
		reload();

	let languages = [];

	for (let item of Object.keys(index)) {
		languages.push(getLanguage(item));
	}

	return languages;
}

export * from './language';
export * from './snippet';