119 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			119 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| const color = require('kleur');
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| const Prompt = require('./prompt');
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| const { style, clear } = require('../util');
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| const { cursor, erase } = require('sisteransi');
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| 
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| /**
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|  * TogglePrompt 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=false] Default value
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|  * @param {String} [opts.active='no'] Active label
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|  * @param {String} [opts.inactive='off'] Inactive label
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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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|  */
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| class TogglePrompt 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.active = opts.active || 'on';
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|     this.inactive = opts.inactive || 'off';
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|     this.initialValue = this.value;
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|     this.render();
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|   }
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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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| 
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|   exit() {
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|     this.abort();
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|   }
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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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| 
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|   submit() {
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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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| 
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|   deactivate() {
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|     if (this.value === false) return this.bell();
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|     this.value = false;
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|     this.render();
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|   }
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| 
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|   activate() {
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|     if (this.value === true) return this.bell();
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|     this.value = true;
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|     this.render();
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|   }
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| 
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|   delete() {
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|     this.deactivate();
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|   }
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|   left() {
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|     this.deactivate();
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|   }
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|   right() {
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|     this.activate();
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|   }
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|   down() {
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|     this.deactivate();
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|   }
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|   up() {
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|     this.activate();
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|   }
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| 
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|   next() {
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|     this.value = !this.value;
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|     this.fire();
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|     this.render();
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|   }
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| 
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|   _(c, key) {
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|     if (c === ' ') {
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|       this.value = !this.value;
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|     } else if (c === '1') {
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|       this.value = true;
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|     } else if (c === '0') {
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|       this.value = false;
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|     } else return this.bell();
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|     this.render();
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|   }
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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);
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|     else this.out.write(clear(this.outputText, this.out.columns));
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|     super.render();
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| 
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|     this.outputText = [
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|       style.symbol(this.done, this.aborted),
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|       color.bold(this.msg),
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|       style.delimiter(this.done),
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|       this.value ? this.inactive : color.cyan().underline(this.inactive),
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|       color.gray('/'),
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|       this.value ? color.cyan().underline(this.active) : this.active
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|     ].join(' ');
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| 
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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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| 
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| module.exports = TogglePrompt;
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