150 lines
4.5 KiB
JavaScript
150 lines
4.5 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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const utils_1 = require("./utils");
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// See: https://stackoverflow.com/questions/9781218/how-to-change-node-jss-console-font-color
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let disableColor = !(process.stdout.isTTY);
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function getProgressBar(action) {
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let lastProgress = -1;
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return function (percent) {
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const progress = Math.trunc(percent * 100);
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if (disableColor) {
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if (lastProgress === -1) {
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console.log(action + "...");
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}
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lastProgress = progress;
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return;
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}
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process.stdin.setRawMode(false);
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process.stdin.pause();
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if (progress === lastProgress || lastProgress === 100) {
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return;
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}
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lastProgress = progress;
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(process.stdout).clearLine();
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(process.stdout).cursorTo(0);
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process.stdout.write(action + "... " + progress + "%");
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if (percent === 1) {
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process.stdout.write('\n');
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}
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return;
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};
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}
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exports.getProgressBar = getProgressBar;
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const colorSequences = {
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blue: "\x1b[34m",
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cyan: "\x1b[36m",
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green: "\x1b[32m",
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magenta: "\x1b[35m",
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red: "\x1b[31m",
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yellow: "\x1b[33m",
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bold: ""
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};
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function getColor(color) {
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if (!color || color === "normal") {
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return "\x1b[0m";
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}
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return "\x1b[1m" + colorSequences[color];
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}
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function _colorify(format) {
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return function (text) {
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if (disableColor) {
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return text;
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}
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return getColor(format) + text.replace(/[^ -~]+/g, "") + getColor();
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};
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}
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exports.colorify = Object.freeze({
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bold: _colorify("bold"),
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blue: _colorify("blue"),
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green: _colorify("green"),
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red: _colorify("red"),
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});
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function _getPrompt(prompt, options, callback) {
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process.stdout.write(prompt);
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let stdin = process.stdin;
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stdin.resume();
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stdin.setRawMode(true);
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stdin.resume();
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stdin.setEncoding('utf8');
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let message = '';
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let respond = (ctrlC, message) => {
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process.stdout.write('\n');
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stdin.setRawMode(false);
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stdin.pause();
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stdin.removeListener('data', handler);
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callback(ctrlC, message);
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};
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function handler(chr) {
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chr = String(chr);
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switch (chr) {
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// Enter (ish)
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case "\n":
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case "\r":
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case "\u0004":
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if (options.choice) {
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if (options.defaultChoice) {
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respond(null, options.defaultChoice);
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}
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}
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else {
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respond(null, message);
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}
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break;
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// Backspace
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case "\u007f":
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if (message.length > 0 && options.choice == null) {
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message = message.substring(0, message.length - 1);
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(process.stdout).clearLine();
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(process.stdout).cursorTo(0);
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if (options.mask) {
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process.stdout.write(prompt + utils_1.repeat(options.mask, message.length));
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}
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else {
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process.stdout.write(prompt + message);
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}
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}
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break;
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// Ctrl-C
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case "\u0003":
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process.stdout.write('\n[ CTRL-C ]');
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respond(true, null);
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break;
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// Any other character
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default:
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if (options.choice) {
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if (options.choice.indexOf(chr) >= 0) {
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process.stdout.write(chr);
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respond(null, chr);
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}
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}
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else {
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// More passsword characters
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if (options.mask) {
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process.stdout.write('*');
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}
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else {
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process.stdout.write(chr);
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}
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message += chr;
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}
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break;
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}
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}
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stdin.on('data', handler);
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}
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function getPrompt(prompt, options) {
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return new Promise((resolve, reject) => {
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_getPrompt(prompt, (options || {}), (ctrlC, password) => {
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if (ctrlC) {
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return reject(new Error("cancelled"));
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}
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resolve(password);
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});
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});
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}
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exports.getPrompt = getPrompt;
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function getPassword(prompt) {
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return getPrompt(prompt, { mask: "*" });
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}
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exports.getPassword = getPassword;
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