115 lines
2.5 KiB
JavaScript
115 lines
2.5 KiB
JavaScript
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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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* 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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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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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.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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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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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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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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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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_(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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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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super.render();
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this.out.write(
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erase.lines(this.first ? 1 : this.msg.split(/\n/g).length) +
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cursor.to(0) + [
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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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}
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}
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module.exports = TogglePrompt;
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