CLI.handleInput - Code Metrics - Inspection of "Merge pull request #33 from dimaslanjaka/snyk-fix-..." - dimaslanjaka/universal-framework - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 766e4c...1c3d52 )

by Dimas

created 2020-10-25 13:29 UTC

CLI.handleInput B

↳ Parent: CLI

Complexity

Conditions

Size

Total Lines	53
Code Lines	45

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	5
eloc	45
dl	0
loc	53
rs	8.3333
c	0
b	0
f	0

How to fix Long Method

import * as chalk from "chalk";
import * as minimist from "minimist";
import inquirer = require("inquirer");

export enum EXIT_CODE {
    /**
     * Exit normally
     */
    NORMAL = 0,

    /**
     * Any kind exit with error
     */
    RUNTIME_FAILURE = 1,

    /**
     * If user terminates with ctrl-c use this
     */
    TERMINATED = 130,

    /**
     * Tell user that arguments were wrong
     */
    INVALID_ARGUMENT = 128
}

export default class CLI {

    private pdTime: Array<NodeJS.Timer> = [];
    private lastRun: number;
    private timeDiff: number;
    private args: minimist.ParsedArgs;
    private ui: inquirer.ui.Prompt[] = [];
    private activePrompt;
    private pauseEvents: Function[] = [];
    public paused: boolean;

    constructor() {
        // Parse arguments
        this.args = minimist(process.argv.slice(2));
        // this.ui = new inquirer.ui.BottomBar();
    }

    /**
     * Checks if a command has been passed or not
     * @param command string name of the command
     */
    hasStartupCommand(command: string): boolean {
        return this.args._.filter(n => n === command).length > 0;
    }

    /**
     * Gets requested argument
     * @param name string name of the argument
     */
    getArgument(name: string, defaultValue: any = null): any {
        let value = null;

        if (name in this.args) {
            value = this.args[name];
        } else if (name[0] in this.args) {
            value = this.args[name[0]];
        }

        return value !== null ? value : defaultValue;
    }

    onPaused(event) {
        this.pauseEvents.push(event);
    }

    /**
     * Clear the terminal
     */
    clear() {
        this.write(chalk.reset("\x1b[2J\x1b[0;0H"));
    }

    /**
     * Write something to terminal
     */
    write(msg: string | chalk.ChalkChain): boolean {
        return process.stdout.write.bind(process.stdout)(msg);
    }

    log(message: string) {
        // this.ui.updateBottomBar(message);
        console.log(message);
        // this.showPrompt();
    }

    read(question: any, hidden = false): Promise<any> {
        let scheme = {
            type: hidden ? "password" : "input",
            message: question,
            name: "response"
        };

        // Bad type definition
        let promise = <any>inquirer.prompt(scheme);
        this.ui.push(promise['ui']);

        return promise.then((answer) => {
            return answer.response;
        });
    }

    closePrompts() {
        this.ui.map((ui) => {
            if (!ui['closed']) {
                ui.close();
                ui['closed'] = true;
                //console.log("closed now")
            } else {
                //console.log("closed Already")
            }
        });
    }

    /**
     * Start printing dots to screen, show script is working
     */
    startProgress() {
        this.pdTime.push(setInterval(() => {
            this.write(chalk.green("."));
        }, 200));
    }

    /**
     * Stop printing dots when process ends
     */
    stopProgress() {
        clearInterval(this.pdTime.pop());
    }

    /**
     * Display the workspace for syncjs
     */
    workspace() {
        this.clear();

        this.write(`Started monitoring \n`);
        this.write(`Quit the script with CONTROL-C".\n`);
        this.write(chalk.magenta("-----------------------------------------------------------\n"));
        //this.showPrompt();
    }

    usage(message: string = null, code: number = 0): void {
        if (message) {
            this.write(chalk.red(message) + "\n");
        }
        this.write(chalk.yellow.underline("\nUSAGE:\n"));
        this.write("Make sure you have the config file by running.\n");
        this.write(chalk.green("syncjs init\n"));
        this.write("--------------------\n");
        //this.write("For more details please visit. https://github.com/serkanyersen/sync\n");
        process.exit(code);
    }

    /**
     * Shorthand command to print help text
     */
    private getHelp(command, text) {
        return `${chalk.green(command)}: ${text}\n`;
    }

    /**
     * Display the prompt that asks for input
     */
    private showPrompt() {
        if (this.activePrompt) {
            this.closePrompts();
        }

        this.activePrompt = this.read(">>> ");
        this.activePrompt.then(answer => {
            this.handleInput(answer);
            this.activePrompt = false;
            // as soon as a command is run, show promt again just a like a real shell
            this.showPrompt();
        });
    }

    /**
     * Handle given input
     */
    private handleInput(input) {
        input = input.split(" ");
        let cmd = input[0];
        let arg1 = input[1];
        switch (cmd) {
            case "help":
                let helpText = "";
                helpText += this.getHelp("pause", "Stops observing file changes");
                helpText += this.getHelp("resume", "Continue checking files");
                helpText += this.getHelp("resume -u", "Continue checking files and upload all the changed files while paused.");
                helpText += this.getHelp("help", "Displays this text");
                helpText += this.getHelp("clear", "Clears the screen");
                helpText += this.getHelp("exit", "Exits the script");
                this.write(helpText);
                break;
            case "clear":
                this.workspace();
                break;
            case "exit":
                process.exit(EXIT_CODE.NORMAL);
                break;
            case "pause":
                this.paused = true;
                this.pauseEvents.map((ev) => {
                    ev(this.paused);
                });
                this.workspace();
                break;
            case "resume":
                if (this.paused) {
                    if (arg1 != "-u") {
                        this.lastRun = +(new Date());
                        this.timeDiff = 0;
                    }
                    this.paused = false;
                    this.workspace();
                    if (arg1 == "-u") {
                        this.write("Finding all changed files while waiting.\n");
                    }
                    this.pauseEvents.map((ev) => {
                        ev(this.paused);
                    });
                } else {
                    this.write("Already running\n");
                }
                break;
            case "": break;
            default:
                this.write(chalk.red(`Unknown command: ${cmd}\nType "help" to see commands`));
        }
    }
}



1			import * as chalk from "chalk";
2			import * as minimist from "minimist";
3			import inquirer = require("inquirer");
4
5			export enum EXIT_CODE {
6			/**
7			* Exit normally
8			*/
9			NORMAL = 0,
10
11			/**
12			* Any kind exit with error
13			*/
14			RUNTIME_FAILURE = 1,
15
16			/**
17			* If user terminates with ctrl-c use this
18			*/
19			TERMINATED = 130,
20
21			/**
22			* Tell user that arguments were wrong
23			*/
24			INVALID_ARGUMENT = 128
25			}
26
27			export default class CLI {
28
29			private pdTime: Array<NodeJS.Timer> = [];
30			private lastRun: number;
31			private timeDiff: number;
32			private args: minimist.ParsedArgs;
33			private ui: inquirer.ui.Prompt[] = [];
34			private activePrompt;
35			private pauseEvents: Function[] = [];
36			public paused: boolean;
37
38			constructor() {
39			// Parse arguments
40			this.args = minimist(process.argv.slice(2));
41			// this.ui = new inquirer.ui.BottomBar();
42			}
43
44			/**
45			* Checks if a command has been passed or not
46			* @param command string name of the command
47			*/
48			hasStartupCommand(command: string): boolean {
49			return this.args._.filter(n => n === command).length > 0;
50			}
51
52			/**
53			* Gets requested argument
54			* @param name string name of the argument
55			*/
56			getArgument(name: string, defaultValue: any = null): any {
57			let value = null;
58
59			if (name in this.args) {
60			value = this.args[name];
61			} else if (name[0] in this.args) {
62			value = this.args[name[0]];
63			}
64
65			return value !== null ? value : defaultValue;
66			}
67
68			onPaused(event) {
69			this.pauseEvents.push(event);
70			}
71
72			/**
73			* Clear the terminal
74			*/
75			clear() {
76			this.write(chalk.reset("\x1b[2J\x1b[0;0H"));
77			}
78
79			/**
80			* Write something to terminal
81			*/
82			write(msg: string \| chalk.ChalkChain): boolean {
83			return process.stdout.write.bind(process.stdout)(msg);
84			}
85
86			log(message: string) {
87			// this.ui.updateBottomBar(message);
88			console.log(message);
89			// this.showPrompt();
90			}
91
92			read(question: any, hidden = false): Promise<any> {
93			let scheme = {
94			type: hidden ? "password" : "input",
95			message: question,
96			name: "response"
97			};
98
99			// Bad type definition
100			let promise = <any>inquirer.prompt(scheme);
101			this.ui.push(promise['ui']);
102
103			return promise.then((answer) => {
104			return answer.response;
105			});
106			}
107
108			closePrompts() {
109			this.ui.map((ui) => {
110			if (!ui['closed']) {
111			ui.close();
112			ui['closed'] = true;
113			//console.log("closed now")
114			} else {
115			//console.log("closed Already")
116			}
117			});
118			}
119
120			/**
121			* Start printing dots to screen, show script is working
122			*/
123			startProgress() {
124			this.pdTime.push(setInterval(() => {
125			this.write(chalk.green("."));
126			}, 200));
127			}
128
129			/**
130			* Stop printing dots when process ends
131			*/
132			stopProgress() {
133			clearInterval(this.pdTime.pop());
134			}
135
136			/**
137			* Display the workspace for syncjs
138			*/
139			workspace() {
140			this.clear();
141
142			this.write(`Started monitoring \n`);
143			this.write(`Quit the script with CONTROL-C".\n`);
144			this.write(chalk.magenta("-----------------------------------------------------------\n"));
145			//this.showPrompt();
146			}
147
148			usage(message: string = null, code: number = 0): void {
149			if (message) {
150			this.write(chalk.red(message) + "\n");
151			}
152			this.write(chalk.yellow.underline("\nUSAGE:\n"));
153			this.write("Make sure you have the config file by running.\n");
154			this.write(chalk.green("syncjs init\n"));
155			this.write("--------------------\n");
156			//this.write("For more details please visit. https://github.com/serkanyersen/sync\n");
157			process.exit(code);
158			}
159
160			/**
161			* Shorthand command to print help text
162			*/
163			private getHelp(command, text) {
164			return `${chalk.green(command)}: ${text}\n`;
165			}
166
167			/**
168			* Display the prompt that asks for input
169			*/
170			private showPrompt() {
171			if (this.activePrompt) {
172			this.closePrompts();
173			}
174
175			this.activePrompt = this.read(">>> ");
176			this.activePrompt.then(answer => {
177			this.handleInput(answer);
178			this.activePrompt = false;
179			// as soon as a command is run, show promt again just a like a real shell
180			this.showPrompt();
181			});
182			}
183
184			/**
185			* Handle given input
186			*/
187			private handleInput(input) {
188			input = input.split(" ");
189			let cmd = input[0];
190			let arg1 = input[1];
191			switch (cmd) {
192			case "help":
193			let helpText = "";
194			helpText += this.getHelp("pause", "Stops observing file changes");
195			helpText += this.getHelp("resume", "Continue checking files");
196			helpText += this.getHelp("resume -u", "Continue checking files and upload all the changed files while paused.");
197			helpText += this.getHelp("help", "Displays this text");
198			helpText += this.getHelp("clear", "Clears the screen");
199			helpText += this.getHelp("exit", "Exits the script");
200			this.write(helpText);
201			break;
202			case "clear":
203			this.workspace();
204			break;
205			case "exit":
206			process.exit(EXIT_CODE.NORMAL);
207			break;
208			case "pause":
209			this.paused = true;
210			this.pauseEvents.map((ev) => {
211			ev(this.paused);
212			});
213			this.workspace();
214			break;
215			case "resume":
216			if (this.paused) {
217			if (arg1 != "-u") {
218			this.lastRun = +(new Date());
219			this.timeDiff = 0;
220			}
221			this.paused = false;
222			this.workspace();
223			if (arg1 == "-u") {
224			this.write("Finding all changed files while waiting.\n");
225			}
226			this.pauseEvents.map((ev) => {
227			ev(this.paused);
228			});
229			} else {
230			this.write("Already running\n");
231			}
232			break;
233			case "": break;
234			default:
235			this.write(chalk.red(`Unknown command: ${cmd}\nType "help" to see commands`));
236			}
237			}
238			}
239
240

dimaslanjaka / universal-framework

Push — master ( 766e4c...1c3d52 )

CLI.handleInput B

Complexity

Size

Duplication

Importance

How to fix Long Method

Long Method

Duplication Side-by-Side

Filter issues like