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Diffstat (limited to 'node_modules/prompts/lib/elements/date.js')
| -rw-r--r-- | node_modules/prompts/lib/elements/date.js | 209 |
1 files changed, 209 insertions, 0 deletions
diff --git a/node_modules/prompts/lib/elements/date.js b/node_modules/prompts/lib/elements/date.js new file mode 100644 index 0000000..71ff608 --- /dev/null +++ b/node_modules/prompts/lib/elements/date.js @@ -0,0 +1,209 @@ +'use strict'; + +const color = require('kleur'); +const Prompt = require('./prompt'); +const { style, clear, figures } = require('../util'); +const { erase, cursor } = require('sisteransi'); +const { DatePart, Meridiem, Day, Hours, Milliseconds, Minutes, Month, Seconds, Year } = require('../dateparts'); + +const regex = /\\(.)|"((?:\\["\\]|[^"])+)"|(D[Do]?|d{3,4}|d)|(M{1,4})|(YY(?:YY)?)|([aA])|([Hh]{1,2})|(m{1,2})|(s{1,2})|(S{1,4})|./g; +const regexGroups = { + 1: ({token}) => token.replace(/\\(.)/g, '$1'), + 2: (opts) => new Day(opts), // Day // TODO + 3: (opts) => new Month(opts), // Month + 4: (opts) => new Year(opts), // Year + 5: (opts) => new Meridiem(opts), // AM/PM // TODO (special) + 6: (opts) => new Hours(opts), // Hours + 7: (opts) => new Minutes(opts), // Minutes + 8: (opts) => new Seconds(opts), // Seconds + 9: (opts) => new Milliseconds(opts), // Fractional seconds +} + +const dfltLocales = { + months: 'January,February,March,April,May,June,July,August,September,October,November,December'.split(','), + monthsShort: 'Jan,Feb,Mar,Apr,May,Jun,Jul,Aug,Sep,Oct,Nov,Dec'.split(','), + weekdays: 'Sunday,Monday,Tuesday,Wednesday,Thursday,Friday,Saturday'.split(','), + weekdaysShort: 'Sun,Mon,Tue,Wed,Thu,Fri,Sat'.split(',') +} + + +/** + * DatePrompt Base Element + * @param {Object} opts Options + * @param {String} opts.message Message + * @param {Number} [opts.initial] Index of default value + * @param {String} [opts.mask] The format mask + * @param {object} [opts.locales] The date locales + * @param {String} [opts.error] The error message shown on invalid value + * @param {Function} [opts.validate] Function to validate the submitted value + * @param {Stream} [opts.stdin] The Readable stream to listen to + * @param {Stream} [opts.stdout] The Writable stream to write readline data to + */ +class DatePrompt extends Prompt { + constructor(opts={}) { + super(opts); + this.msg = opts.message; + this.cursor = 0; + this.typed = ''; + this.locales = Object.assign(dfltLocales, opts.locales); + this._date = opts.initial || new Date(); + this.errorMsg = opts.error || 'Please Enter A Valid Value'; + this.validator = opts.validate || (() => true); + this.mask = opts.mask || 'YYYY-MM-DD HH:mm:ss'; + this.clear = clear('', this.out.columns); + this.render(); + } + + get value() { + return this.date + } + + get date() { + return this._date; + } + + set date(date) { + if (date) this._date.setTime(date.getTime()); + } + + set mask(mask) { + let result; + this.parts = []; + while(result = regex.exec(mask)) { + let match = result.shift(); + let idx = result.findIndex(gr => gr != null); + this.parts.push(idx in regexGroups + ? regexGroups[idx]({ token: result[idx] || match, date: this.date, parts: this.parts, locales: this.locales }) + : result[idx] || match); + } + + let parts = this.parts.reduce((arr, i) => { + if (typeof i === 'string' && typeof arr[arr.length - 1] === 'string') + arr[arr.length - 1] += i; + else arr.push(i); + return arr; + }, []); + + this.parts.splice(0); + this.parts.push(...parts); + this.reset(); + } + + moveCursor(n) { + this.typed = ''; + this.cursor = n; + this.fire(); + } + + reset() { + this.moveCursor(this.parts.findIndex(p => p instanceof DatePart)); + this.fire(); + this.render(); + } + + exit() { + this.abort(); + } + + abort() { + this.done = this.aborted = true; + this.error = false; + this.fire(); + this.render(); + this.out.write('\n'); + this.close(); + } + + async validate() { + let valid = await this.validator(this.value); + if (typeof valid === 'string') { + this.errorMsg = valid; + valid = false; + } + this.error = !valid; + } + + async submit() { + await this.validate(); + if (this.error) { + this.color = 'red'; + this.fire(); + this.render(); + return; + } + this.done = true; + this.aborted = false; + this.fire(); + this.render(); + this.out.write('\n'); + this.close(); + } + + up() { + this.typed = ''; + this.parts[this.cursor].up(); + this.render(); + } + + down() { + this.typed = ''; + this.parts[this.cursor].down(); + this.render(); + } + + left() { + let prev = this.parts[this.cursor].prev(); + if (prev == null) return this.bell(); + this.moveCursor(this.parts.indexOf(prev)); + this.render(); + } + + right() { + let next = this.parts[this.cursor].next(); + if (next == null) return this.bell(); + this.moveCursor(this.parts.indexOf(next)); + this.render(); + } + + next() { + let next = this.parts[this.cursor].next(); + this.moveCursor(next + ? this.parts.indexOf(next) + : this.parts.findIndex((part) => part instanceof DatePart)); + this.render(); + } + + _(c) { + if (/\d/.test(c)) { + this.typed += c; + this.parts[this.cursor].setTo(this.typed); + this.render(); + } + } + + render() { + if (this.closed) return; + if (this.firstRender) this.out.write(cursor.hide); + else this.out.write(clear(this.outputText, this.out.columns)); + super.render(); + + // Print prompt + this.outputText = [ + style.symbol(this.done, this.aborted), + color.bold(this.msg), + style.delimiter(false), + this.parts.reduce((arr, p, idx) => arr.concat(idx === this.cursor && !this.done ? color.cyan().underline(p.toString()) : p), []) + .join('') + ].join(' '); + + // Print error + if (this.error) { + this.outputText += 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); + } +} + +module.exports = DatePrompt; |