zksync-cli/bin/common/ConfigHandler.js

CLI tool that simplifies the process of developing applications and interacting with the ZKsync network

import { readFileSync } from "fs";
import { fileOrDirExists, getLocalPath, writeFile } from "../utils/files.js";
import Logger from "../utils/logger.js";
class ConfigHandlerClass {
    constructor() {
        this.configPath = getLocalPath("config.json");
        this.internalConfig = {};
        this.loadConfig();
    }
    loadConfig() {
        if (this.configExists) {
            try {
                this.internalConfig = JSON.parse(readFileSync(this.configPath, "utf-8"));
            }
            catch (error) {
                Logger.error(`Error while reading config file: ${error}`);
            }
        }
    }
    saveConfig() {
        writeFile(this.configPath, JSON.stringify(this.internalConfig, null, 2));
        Logger.debug(`Saved config to ${this.configPath}`);
    }
    get configExists() {
        return fileOrDirExists(this.configPath);
    }
    accessNestedProperty(path, createIfNotExist = false) {
        const keys = path.split(".");
        let current = this.internalConfig;
        for (let i = 0; i < keys.length - 1; i++) {
            if (current[keys[i]] === undefined) {
                if (createIfNotExist) {
                    current[keys[i]] = {};
                }
                else {
                    return undefined;
                }
            }
            current = current[keys[i]];
        }
        return { parent: current, lastKey: keys[keys.length - 1] };
    }
    getConfigValue(path) {
        const result = this.accessNestedProperty(path);
        return result ? result.parent[result.lastKey] : undefined;
    }
    setConfigValue(path, value) {
        const result = this.accessNestedProperty(path, true);
        if (result) {
            result.parent[result.lastKey] = value;
            this.saveConfig();
        }
    }
}
export const configHandler = new ConfigHandlerClass();
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