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keksAccountGUI/node_modulesOLD/ora/index.js

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2019-08-11 18:48:02 +00:00
'use strict';
const chalk = require('chalk');
const cliCursor = require('cli-cursor');
const cliSpinners = require('cli-spinners');
const logSymbols = require('log-symbols');
const stripAnsi = require('strip-ansi');
const wcwidth = require('wcwidth');
const TEXT = Symbol('text');
const PREFIX_TEXT = Symbol('prefixText');
class Ora {
constructor(options) {
if (typeof options === 'string') {
options = {
text: options
};
}
this.options = Object.assign({
text: '',
color: 'cyan',
stream: process.stderr
}, options);
this.spinner = this.options.spinner;
this.color = this.options.color;
this.hideCursor = this.options.hideCursor !== false;
this.interval = this.options.interval || this.spinner.interval || 100;
this.stream = this.options.stream;
this.id = null;
this.isEnabled = typeof this.options.isEnabled === 'boolean' ? this.options.isEnabled : ((this.stream && this.stream.isTTY) && !process.env.CI);
// Set *after* `this.stream`
this.text = this.options.text;
this.prefixText = this.options.prefixText;
this.linesToClear = 0;
this.indent = this.options.indent;
}
get indent() {
return this._indent;
}
set indent(indent = 0) {
if (!(indent >= 0 && Number.isInteger(indent))) {
throw new Error('The `indent` option must be an integer from 0 and up');
}
this._indent = indent;
}
get spinner() {
return this._spinner;
}
set spinner(spinner) {
this.frameIndex = 0;
if (typeof spinner === 'object') {
if (spinner.frames === undefined) {
throw new Error('The given spinner must have a `frames` property');
}
this._spinner = spinner;
} else if (process.platform === 'win32') {
this._spinner = cliSpinners.line;
} else if (spinner === undefined) {
// Set default spinner
this._spinner = cliSpinners.dots;
} else if (cliSpinners[spinner]) {
this._spinner = cliSpinners[spinner];
} else {
throw new Error(`There is no built-in spinner named '${spinner}'. See https://github.com/sindresorhus/cli-spinners/blob/master/spinners.json for a full list.`);
}
}
get text() {
return this[TEXT];
}
get prefixText() {
return this[PREFIX_TEXT];
}
get isSpinning() {
return this.id !== null;
}
updateLineCount() {
const columns = this.stream.columns || 80;
const fullPrefixText = (typeof this[PREFIX_TEXT] === 'string') ? this[PREFIX_TEXT] + '-' : '';
this.lineCount = stripAnsi(fullPrefixText + '--' + this[TEXT]).split('\n').reduce((count, line) => {
return count + Math.max(1, Math.ceil(wcwidth(line) / columns));
}, 0);
}
set text(value) {
this[TEXT] = value;
this.updateLineCount();
}
set prefixText(value) {
this[PREFIX_TEXT] = value;
this.updateLineCount();
}
frame() {
const {frames} = this.spinner;
let frame = frames[this.frameIndex];
if (this.color) {
frame = chalk[this.color](frame);
}
this.frameIndex = ++this.frameIndex % frames.length;
const fullPrefixText = typeof this.prefixText === 'string' ? this.prefixText + ' ' : '';
const fullText = typeof this.text === 'string' ? ' ' + this.text : '';
return fullPrefixText + frame + fullText;
}
clear() {
if (!this.isEnabled || !this.stream.isTTY) {
return this;
}
for (let i = 0; i < this.linesToClear; i++) {
if (i > 0) {
this.stream.moveCursor(0, -1);
}
this.stream.clearLine();
this.stream.cursorTo(this.indent);
}
this.linesToClear = 0;
return this;
}
render() {
this.clear();
this.stream.write(this.frame());
this.linesToClear = this.lineCount;
return this;
}
start(text) {
if (text) {
this.text = text;
}
if (!this.isEnabled) {
this.stream.write(`- ${this.text}\n`);
return this;
}
if (this.isSpinning) {
return this;
}
if (this.hideCursor) {
cliCursor.hide(this.stream);
}
this.render();
this.id = setInterval(this.render.bind(this), this.interval);
return this;
}
stop() {
if (!this.isEnabled) {
return this;
}
clearInterval(this.id);
this.id = null;
this.frameIndex = 0;
this.clear();
if (this.hideCursor) {
cliCursor.show(this.stream);
}
return this;
}
succeed(text) {
return this.stopAndPersist({symbol: logSymbols.success, text});
}
fail(text) {
return this.stopAndPersist({symbol: logSymbols.error, text});
}
warn(text) {
return this.stopAndPersist({symbol: logSymbols.warning, text});
}
info(text) {
return this.stopAndPersist({symbol: logSymbols.info, text});
}
stopAndPersist(options = {}) {
const prefixText = options.prefixText || this.prefixText;
const fullPrefixText = (typeof prefixText === 'string') ? prefixText + ' ' : '';
const text = options.text || this.text;
const fullText = (typeof text === 'string') ? ' ' + text : '';
this.stop();
this.stream.write(`${fullPrefixText}${options.symbol || ' '}${fullText}\n`);
return this;
}
}
const oraFactory = function (opts) {
return new Ora(opts);
};
module.exports = oraFactory;
// TODO: Remove this for the next major release
module.exports.default = oraFactory;
module.exports.promise = (action, options) => {
if (typeof action.then !== 'function') {
throw new TypeError('Parameter `action` must be a Promise');
}
const spinner = new Ora(options);
spinner.start();
action.then(
() => {
spinner.succeed();
},
() => {
spinner.fail();
}
);
return spinner;
};