greybel-js/out/helper/env-mapper.js

Transpiler/Interpreter for GreyScript. (GreyHack)

import fs from 'fs';
import path from 'path';
import { escapeMSString } from './escape-ms-string.js';
function readVarLines(varLines, map) {
    if (map == null)
        map = {};
    let line;
    for (line of varLines) {
        line = line.trim();
        if (line === '' || line[0] === '#')
            continue;
        const eqIndex = line.indexOf('=');
        if (eqIndex === -1)
            continue;
        const name = line.substring(0, eqIndex).trim();
        const value = line.substring(eqIndex + 1);
        if (name && value) {
            map[name] = value;
        }
    }
    return map;
}
function loadConfigFile(filepath, map) {
    filepath = path.resolve(filepath);
    if (!fs.existsSync(filepath)) {
        throw new Error('No file: ' + filepath);
    }
    const content = fs.readFileSync(filepath, 'utf8');
    return readVarLines(content.split('\n'), map);
}
export class EnvironmentVariablesManager {
    map;
    constructor() {
        this.map = {};
    }
    load(envFiles, envVars) {
        const me = this;
        if (envFiles) {
            let file;
            for (file of envFiles) {
                me.map = loadConfigFile(file, me.map);
            }
        }
        if (envVars)
            me.map = readVarLines(envVars, me.map);
        return me.map;
    }
    get(key) {
        const me = this;
        const varExists = key in me.map;
        if (varExists)
            return me.map[key];
        return null;
    }
    toMap(escape = false) {
        const entries = Object.entries(this.map);
        if (escape) {
            return new Map(entries.map(([key, value]) => [key, escapeMSString(value)]));
        }
        return new Map(entries);
    }
    toObject(escape = false) {
        if (escape) {
            const entries = Object.entries(this.map);
            return entries.reduce((acc, [key, value]) => {
                acc[key] = escapeMSString(value);
                return acc;
            }, {});
        }
        return { ...this.map };
    }
}