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Diffstat (limited to 'node_modules/prompts/dist/elements/autocomplete.js')
-rw-r--r-- | node_modules/prompts/dist/elements/autocomplete.js | 285 |
1 files changed, 285 insertions, 0 deletions
diff --git a/node_modules/prompts/dist/elements/autocomplete.js b/node_modules/prompts/dist/elements/autocomplete.js new file mode 100644 index 0000000..60e41bc --- /dev/null +++ b/node_modules/prompts/dist/elements/autocomplete.js @@ -0,0 +1,285 @@ +'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'), + erase = _require.erase, + cursor = _require.cursor; + +const _require2 = require('../util'), + style = _require2.style, + clear = _require2.clear, + figures = _require2.figures, + wrap = _require2.wrap, + entriesToDisplay = _require2.entriesToDisplay; + +const getVal = (arr, i) => arr[i] && (arr[i].value || arr[i].title || arr[i]); + +const getTitle = (arr, i) => arr[i] && (arr[i].title || arr[i].value || arr[i]); + +const getIndex = (arr, valOrTitle) => { + const index = arr.findIndex(el => el.value === valOrTitle || el.title === valOrTitle); + return index > -1 ? index : undefined; +}; +/** + * TextPrompt Base Element + * @param {Object} opts Options + * @param {String} opts.message Message + * @param {Array} opts.choices Array of auto-complete choices objects + * @param {Function} [opts.suggest] Filter function. Defaults to sort by title + * @param {Number} [opts.limit=10] Max number of results to show + * @param {Number} [opts.cursor=0] Cursor start position + * @param {String} [opts.style='default'] Render style + * @param {String} [opts.fallback] Fallback message - initial to default value + * @param {String} [opts.initial] Index of the default value + * @param {Boolean} [opts.clearFirst] The first ESCAPE keypress will clear the input + * @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.noMatches] The no matches found label + */ + + +class AutocompletePrompt extends Prompt { + constructor(opts = {}) { + super(opts); + this.msg = opts.message; + this.suggest = opts.suggest; + this.choices = opts.choices; + this.initial = typeof opts.initial === 'number' ? opts.initial : getIndex(opts.choices, opts.initial); + this.select = this.initial || opts.cursor || 0; + this.i18n = { + noMatches: opts.noMatches || 'no matches found' + }; + this.fallback = opts.fallback || this.initial; + this.clearFirst = opts.clearFirst || false; + this.suggestions = []; + this.input = ''; + this.limit = opts.limit || 10; + this.cursor = 0; + this.transform = style.render(opts.style); + this.scale = this.transform.scale; + this.render = this.render.bind(this); + this.complete = this.complete.bind(this); + this.clear = clear('', this.out.columns); + this.complete(this.render); + this.render(); + } + + set fallback(fb) { + this._fb = Number.isSafeInteger(parseInt(fb)) ? parseInt(fb) : fb; + } + + get fallback() { + let choice; + if (typeof this._fb === 'number') choice = this.choices[this._fb];else if (typeof this._fb === 'string') choice = { + title: this._fb + }; + return choice || this._fb || { + title: this.i18n.noMatches + }; + } + + moveSelect(i) { + this.select = i; + if (this.suggestions.length > 0) this.value = getVal(this.suggestions, i);else this.value = this.fallback.value; + this.fire(); + } + + complete(cb) { + var _this = this; + + return _asyncToGenerator(function* () { + const p = _this.completing = _this.suggest(_this.input, _this.choices); + + const suggestions = yield p; + if (_this.completing !== p) return; + _this.suggestions = suggestions.map((s, i, arr) => ({ + title: getTitle(arr, i), + value: getVal(arr, i), + description: s.description + })); + _this.completing = false; + const l = Math.max(suggestions.length - 1, 0); + + _this.moveSelect(Math.min(l, _this.select)); + + cb && cb(); + })(); + } + + reset() { + this.input = ''; + this.complete(() => { + this.moveSelect(this.initial !== void 0 ? this.initial : 0); + this.render(); + }); + this.render(); + } + + exit() { + if (this.clearFirst && this.input.length > 0) { + this.reset(); + } else { + this.done = this.exited = true; + this.aborted = false; + this.fire(); + this.render(); + this.out.write('\n'); + this.close(); + } + } + + abort() { + this.done = this.aborted = true; + this.exited = false; + this.fire(); + this.render(); + this.out.write('\n'); + this.close(); + } + + submit() { + this.done = true; + this.aborted = this.exited = false; + this.fire(); + this.render(); + this.out.write('\n'); + this.close(); + } + + _(c, key) { + let s1 = this.input.slice(0, this.cursor); + let s2 = this.input.slice(this.cursor); + this.input = `${s1}${c}${s2}`; + this.cursor = s1.length + 1; + this.complete(this.render); + this.render(); + } + + delete() { + if (this.cursor === 0) return this.bell(); + let s1 = this.input.slice(0, this.cursor - 1); + let s2 = this.input.slice(this.cursor); + this.input = `${s1}${s2}`; + this.complete(this.render); + this.cursor = this.cursor - 1; + this.render(); + } + + deleteForward() { + if (this.cursor * this.scale >= this.rendered.length) return this.bell(); + let s1 = this.input.slice(0, this.cursor); + let s2 = this.input.slice(this.cursor + 1); + this.input = `${s1}${s2}`; + this.complete(this.render); + this.render(); + } + + first() { + this.moveSelect(0); + this.render(); + } + + last() { + this.moveSelect(this.suggestions.length - 1); + this.render(); + } + + up() { + if (this.select === 0) { + this.moveSelect(this.suggestions.length - 1); + } else { + this.moveSelect(this.select - 1); + } + + this.render(); + } + + down() { + if (this.select === this.suggestions.length - 1) { + this.moveSelect(0); + } else { + this.moveSelect(this.select + 1); + } + + this.render(); + } + + next() { + if (this.select === this.suggestions.length - 1) { + this.moveSelect(0); + } else this.moveSelect(this.select + 1); + + this.render(); + } + + nextPage() { + this.moveSelect(Math.min(this.select + this.limit, this.suggestions.length - 1)); + this.render(); + } + + prevPage() { + this.moveSelect(Math.max(this.select - this.limit, 0)); + this.render(); + } + + left() { + if (this.cursor <= 0) return this.bell(); + this.cursor = this.cursor - 1; + this.render(); + } + + right() { + if (this.cursor * this.scale >= this.rendered.length) return this.bell(); + this.cursor = this.cursor + 1; + this.render(); + } + + renderOption(v, hovered, isStart, isEnd) { + let desc; + let prefix = isStart ? figures.arrowUp : isEnd ? figures.arrowDown : ' '; + let title = hovered ? color.cyan().underline(v.title) : v.title; + prefix = (hovered ? color.cyan(figures.pointer) + ' ' : ' ') + prefix; + + if (v.description) { + desc = ` - ${v.description}`; + + if (prefix.length + title.length + desc.length >= this.out.columns || v.description.split(/\r?\n/).length > 1) { + desc = '\n' + wrap(v.description, { + margin: 3, + width: this.out.columns + }); + } + } + + return prefix + ' ' + title + color.gray(desc || ''); + } + + 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(); + + let _entriesToDisplay = entriesToDisplay(this.select, this.choices.length, this.limit), + startIndex = _entriesToDisplay.startIndex, + endIndex = _entriesToDisplay.endIndex; + + this.outputText = [style.symbol(this.done, this.aborted, this.exited), color.bold(this.msg), style.delimiter(this.completing), this.done && this.suggestions[this.select] ? this.suggestions[this.select].title : this.rendered = this.transform.render(this.input)].join(' '); + + if (!this.done) { + const suggestions = this.suggestions.slice(startIndex, endIndex).map((item, i) => this.renderOption(item, this.select === i + startIndex, i === 0 && startIndex > 0, i + startIndex === endIndex - 1 && endIndex < this.choices.length)).join('\n'); + this.outputText += `\n` + (suggestions || color.gray(this.fallback.title)); + } + + this.out.write(erase.line + cursor.to(0) + this.outputText); + } + +} + +module.exports = AutocompletePrompt;
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