@intuitionrobotics/ts-common/dist/modules/CliParamsModule.js

js and ts infra

import { Module } from "../core/module.js";
import {} from "../utils/types.js";
import { BadImplementationException, ImplementationMissingException } from "../core/exceptions.js";
import { filterInstances, flatArray } from "../index.js";
class CliParamsModule_Class extends Module {
    paramsValue = {};
    constructor() {
        super("CliParamsModule");
    }
    init() {
        this.config.params.forEach((param) => this.paramsValue[param.keyName] = this.getParam(param));
        this.printHowTo(this.config.params);
        return this.paramsValue;
    }
    getParam(param, args = process.argv.slice(2, process.argv.length)) {
        if (!this.config.params.find(_param => _param.keyName === param.keyName))
            throw new BadImplementationException("Requested not existing param");
        let value = this.extractParam(param, args);
        if (!value)
            value = param.defaultValue;
        if (!value)
            return value;
        return (param.process ? param.process(value) : value);
    }
    extractParam(param, argv) {
        if (param.isArray)
            return param.keys.reduce((values, key) => {
                values.push(...filterInstances(argv.map(arg => arg.match(new RegExp(`${key}=(.*)`))?.[1])));
                return values;
            }, []);
        const find = param.keys.map(key => argv.map(arg => arg.match(new RegExp(`${key}=(.*)`))?.[1]));
        return flatArray(find).find(k => k);
    }
    printHowTo = (params) => {
        const missingParams = params.filter((param) => !this.paramsValue[param.keyName] && !param.optional);
        const foundParams = params.filter((param) => this.paramsValue[param.keyName]);
        this.printFoundArgs("Found Args", foundParams, this.paramsValue);
        if (missingParams.length === 0)
            return;
        this.printFoundArgs("Missing Args", missingParams, this.paramsValue);
        throw new ImplementationMissingException("Missing cli params");
    };
    printFoundArgs(title, params, foundArgs) {
        if (params.length)
            return;
        this.logInfoBold(`  ${title}:`);
        params.forEach((param) => this.logInfo(`    ${param.keys[0]}=${foundArgs[param.keyName] || `<${param.name}>`}`));
    }
    getParams = () => {
        return this.paramsValue;
    };
}
export const CliParamsModule = new CliParamsModule_Class();
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