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93 lines
2.4 KiB
93 lines
2.4 KiB
"use strict"; |
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const color = require('kleur'); |
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const Prompt = require('./prompt'); |
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const _require = require('../util'), |
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style = _require.style, |
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clear = _require.clear; |
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const _require2 = require('sisteransi'), |
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erase = _require2.erase, |
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cursor = _require2.cursor; |
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/** |
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* ConfirmPrompt Base Element |
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* @param {Object} opts Options |
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* @param {String} opts.message Message |
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* @param {Boolean} [opts.initial] Default value (true/false) |
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* @param {Stream} [opts.stdin] The Readable stream to listen to |
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* @param {Stream} [opts.stdout] The Writable stream to write readline data to |
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* @param {String} [opts.yes] The "Yes" label |
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* @param {String} [opts.yesOption] The "Yes" option when choosing between yes/no |
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* @param {String} [opts.no] The "No" label |
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* @param {String} [opts.noOption] The "No" option when choosing between yes/no |
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*/ |
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class ConfirmPrompt extends Prompt { |
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constructor(opts = {}) { |
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super(opts); |
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this.msg = opts.message; |
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this.value = opts.initial; |
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this.initialValue = !!opts.initial; |
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this.yesMsg = opts.yes || 'yes'; |
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this.yesOption = opts.yesOption || '(Y/n)'; |
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this.noMsg = opts.no || 'no'; |
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this.noOption = opts.noOption || '(y/N)'; |
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this.render(); |
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} |
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reset() { |
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this.value = this.initialValue; |
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this.fire(); |
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this.render(); |
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} |
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exit() { |
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this.abort(); |
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} |
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abort() { |
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this.done = this.aborted = true; |
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this.fire(); |
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this.render(); |
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this.out.write('\n'); |
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this.close(); |
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} |
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submit() { |
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this.value = this.value || false; |
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this.done = true; |
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this.aborted = false; |
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this.fire(); |
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this.render(); |
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this.out.write('\n'); |
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this.close(); |
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} |
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_(c, key) { |
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if (c.toLowerCase() === 'y') { |
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this.value = true; |
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return this.submit(); |
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} |
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if (c.toLowerCase() === 'n') { |
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this.value = false; |
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return this.submit(); |
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} |
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return this.bell(); |
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} |
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render() { |
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if (this.closed) return; |
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if (this.firstRender) this.out.write(cursor.hide);else this.out.write(clear(this.outputText, this.out.columns)); |
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super.render(); |
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this.outputText = [style.symbol(this.done, this.aborted), color.bold(this.msg), style.delimiter(this.done), this.done ? this.value ? this.yesMsg : this.noMsg : color.gray(this.initialValue ? this.yesOption : this.noOption)].join(' '); |
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this.out.write(erase.line + cursor.to(0) + this.outputText); |
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} |
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} |
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module.exports = ConfirmPrompt; |