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Diffstat (limited to 'node_modules/prompts/dist/elements/number.js')
| -rw-r--r-- | node_modules/prompts/dist/elements/number.js | 250 |
1 files changed, 250 insertions, 0 deletions
diff --git a/node_modules/prompts/dist/elements/number.js b/node_modules/prompts/dist/elements/number.js new file mode 100644 index 0000000..fd144af --- /dev/null +++ b/node_modules/prompts/dist/elements/number.js @@ -0,0 +1,250 @@ +"use strict"; + +function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { Promise.resolve(value).then(_next, _throw); } } + +function _asyncToGenerator(fn) { return function () { var self = this, args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next(value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value); } function _throw(err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err); } _next(undefined); }); }; } + +const color = require('kleur'); + +const Prompt = require('./prompt'); + +const _require = require('sisteransi'), + cursor = _require.cursor, + erase = _require.erase; + +const _require2 = require('../util'), + style = _require2.style, + figures = _require2.figures, + clear = _require2.clear, + lines = _require2.lines; + +const isNumber = /[0-9]/; + +const isDef = any => any !== undefined; + +const round = (number, precision) => { + let factor = Math.pow(10, precision); + return Math.round(number * factor) / factor; +}; +/** + * NumberPrompt Base Element + * @param {Object} opts Options + * @param {String} opts.message Message + * @param {String} [opts.style='default'] Render style + * @param {Number} [opts.initial] Default value + * @param {Number} [opts.max=+Infinity] Max value + * @param {Number} [opts.min=-Infinity] Min value + * @param {Boolean} [opts.float=false] Parse input as floats + * @param {Number} [opts.round=2] Round floats to x decimals + * @param {Number} [opts.increment=1] Number to increment by when using arrow-keys + * @param {Function} [opts.validate] Validate function + * @param {Stream} [opts.stdin] The Readable stream to listen to + * @param {Stream} [opts.stdout] The Writable stream to write readline data to + * @param {String} [opts.error] The invalid error label + */ + + +class NumberPrompt extends Prompt { + constructor(opts = {}) { + super(opts); + this.transform = style.render(opts.style); + this.msg = opts.message; + this.initial = isDef(opts.initial) ? opts.initial : ''; + this.float = !!opts.float; + this.round = opts.round || 2; + this.inc = opts.increment || 1; + this.min = isDef(opts.min) ? opts.min : -Infinity; + this.max = isDef(opts.max) ? opts.max : Infinity; + this.errorMsg = opts.error || `Please Enter A Valid Value`; + + this.validator = opts.validate || (() => true); + + this.color = `cyan`; + this.value = ``; + this.typed = ``; + this.lastHit = 0; + this.render(); + } + + set value(v) { + if (!v && v !== 0) { + this.placeholder = true; + this.rendered = color.gray(this.transform.render(`${this.initial}`)); + this._value = ``; + } else { + this.placeholder = false; + this.rendered = this.transform.render(`${round(v, this.round)}`); + this._value = round(v, this.round); + } + + this.fire(); + } + + get value() { + return this._value; + } + + parse(x) { + return this.float ? parseFloat(x) : parseInt(x); + } + + valid(c) { + return c === `-` || c === `.` && this.float || isNumber.test(c); + } + + reset() { + this.typed = ``; + this.value = ``; + this.fire(); + this.render(); + } + + exit() { + this.abort(); + } + + abort() { + let x = this.value; + this.value = x !== `` ? x : this.initial; + this.done = this.aborted = true; + this.error = false; + this.fire(); + this.render(); + this.out.write(`\n`); + this.close(); + } + + validate() { + var _this = this; + + return _asyncToGenerator(function* () { + let valid = yield _this.validator(_this.value); + + if (typeof valid === `string`) { + _this.errorMsg = valid; + valid = false; + } + + _this.error = !valid; + })(); + } + + submit() { + var _this2 = this; + + return _asyncToGenerator(function* () { + yield _this2.validate(); + + if (_this2.error) { + _this2.color = `red`; + + _this2.fire(); + + _this2.render(); + + return; + } + + let x = _this2.value; + _this2.value = x !== `` ? x : _this2.initial; + _this2.done = true; + _this2.aborted = false; + _this2.error = false; + + _this2.fire(); + + _this2.render(); + + _this2.out.write(`\n`); + + _this2.close(); + })(); + } + + up() { + this.typed = ``; + + if (this.value === '') { + this.value = this.min - this.inc; + } + + if (this.value >= this.max) return this.bell(); + this.value += this.inc; + this.color = `cyan`; + this.fire(); + this.render(); + } + + down() { + this.typed = ``; + + if (this.value === '') { + this.value = this.min + this.inc; + } + + if (this.value <= this.min) return this.bell(); + this.value -= this.inc; + this.color = `cyan`; + this.fire(); + this.render(); + } + + delete() { + let val = this.value.toString(); + if (val.length === 0) return this.bell(); + this.value = this.parse(val = val.slice(0, -1)) || ``; + + if (this.value !== '' && this.value < this.min) { + this.value = this.min; + } + + this.color = `cyan`; + this.fire(); + this.render(); + } + + next() { + this.value = this.initial; + this.fire(); + this.render(); + } + + _(c, key) { + if (!this.valid(c)) return this.bell(); + const now = Date.now(); + if (now - this.lastHit > 1000) this.typed = ``; // 1s elapsed + + this.typed += c; + this.lastHit = now; + this.color = `cyan`; + if (c === `.`) return this.fire(); + this.value = Math.min(this.parse(this.typed), this.max); + if (this.value > this.max) this.value = this.max; + if (this.value < this.min) this.value = this.min; + this.fire(); + this.render(); + } + + render() { + if (this.closed) return; + + if (!this.firstRender) { + if (this.outputError) this.out.write(cursor.down(lines(this.outputError, this.out.columns) - 1) + clear(this.outputError, this.out.columns)); + this.out.write(clear(this.outputText, this.out.columns)); + } + + super.render(); + this.outputError = ''; // Print prompt + + this.outputText = [style.symbol(this.done, this.aborted), color.bold(this.msg), style.delimiter(this.done), !this.done || !this.done && !this.placeholder ? color[this.color]().underline(this.rendered) : this.rendered].join(` `); // Print error + + if (this.error) { + this.outputError += this.errorMsg.split(`\n`).reduce((a, l, i) => a + `\n${i ? ` ` : figures.pointerSmall} ${color.red().italic(l)}`, ``); + } + + this.out.write(erase.line + cursor.to(0) + this.outputText + cursor.save + this.outputError + cursor.restore); + } + +} + +module.exports = NumberPrompt;
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