70 lines
2.1 KiB
TypeScript
70 lines
2.1 KiB
TypeScript
/*
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* Copyright (C) Sapphirecode - All Rights Reserved
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* This file is part of console-app which is released under MIT.
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* See file 'LICENSE' for full license details.
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* Created by Timo Hocker <timo@scode.ovh>, May 2020
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*/
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/* eslint-disable no-await-in-loop */
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import { dirname, join } from 'path';
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import fs from 'fs-extra';
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import { run_regex } from '@sapphirecode/utilities';
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import hjson from 'hjson';
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import { OptionValue, Option } from '../Option';
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import { ErrorCallback } from '../ErrorCallback';
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import { OptionSource } from './OptionSource';
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export class ConfigSource extends OptionSource {
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private _config_files: string[];
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public constructor (config_files: string[], error_callback?:ErrorCallback) {
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super (error_callback);
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this._config_files = config_files;
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}
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private async read_json_file (file: string):
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Promise<Record<string, unknown>> {
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if (!await fs.pathExists (file))
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return {};
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const dir = dirname (file);
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const contents = await fs.readFile (file, 'utf-8');
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const obj: Record<string, unknown> = {};
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const regex = /^#include (?<f>.+)/gmui;
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const includes: string[] = [];
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run_regex (regex, contents, (res: {groups:{f:string}}) => {
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includes.push (join (dir, res.groups.f));
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});
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for (const inc of includes) {
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const data = await this.read_json_file (inc);
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for (const key of Object.keys (data))
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obj[key] = data[key];
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}
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const config = hjson.parse (contents);
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for (const key of Object.keys (config))
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obj[key] = config[key];
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return obj;
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}
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public async parse (opt: Option, val: OptionValue): Promise<void> {
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const data: Record<string, unknown> = {};
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for (const f of this._config_files) {
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try {
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const json = await this.read_json_file (f);
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for (const key of Object.keys (json))
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data[key] = json[key];
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}
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catch (e) {
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if (typeof this.error_callback !== 'undefined')
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this.error_callback ('*', `config file: ${f}`, e);
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continue;
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}
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}
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const keys = Object.keys (data);
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if (keys.includes (opt.name))
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await this.assign_arg (opt, val, data[opt.name]);
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}
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}
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