shift73k/assets_old/node_modules/enquirer/lib/prompts/snippet.js

185 lines
4.4 KiB
JavaScript

'use strict';
const colors = require('ansi-colors');
const interpolate = require('../interpolate');
const Prompt = require('../prompt');
class SnippetPrompt extends Prompt {
constructor(options) {
super(options);
this.cursorHide();
this.reset(true);
}
async initialize() {
this.interpolate = await interpolate(this);
await super.initialize();
}
async reset(first) {
this.state.keys = [];
this.state.invalid = new Map();
this.state.missing = new Set();
this.state.completed = 0;
this.state.values = {};
if (first !== true) {
await this.initialize();
await this.render();
}
}
moveCursor(n) {
let item = this.getItem();
this.cursor += n;
item.cursor += n;
}
dispatch(ch, key) {
if (!key.code && !key.ctrl && ch != null && this.getItem()) {
this.append(ch, key);
return;
}
this.alert();
}
append(ch, key) {
let item = this.getItem();
let prefix = item.input.slice(0, this.cursor);
let suffix = item.input.slice(this.cursor);
this.input = item.input = `${prefix}${ch}${suffix}`;
this.moveCursor(1);
this.render();
}
delete() {
let item = this.getItem();
if (this.cursor <= 0 || !item.input) return this.alert();
let suffix = item.input.slice(this.cursor);
let prefix = item.input.slice(0, this.cursor - 1);
this.input = item.input = `${prefix}${suffix}`;
this.moveCursor(-1);
this.render();
}
increment(i) {
return i >= this.state.keys.length - 1 ? 0 : i + 1;
}
decrement(i) {
return i <= 0 ? this.state.keys.length - 1 : i - 1;
}
first() {
this.state.index = 0;
this.render();
}
last() {
this.state.index = this.state.keys.length - 1;
this.render();
}
right() {
if (this.cursor >= this.input.length) return this.alert();
this.moveCursor(1);
this.render();
}
left() {
if (this.cursor <= 0) return this.alert();
this.moveCursor(-1);
this.render();
}
prev() {
this.state.index = this.decrement(this.state.index);
this.getItem();
this.render();
}
next() {
this.state.index = this.increment(this.state.index);
this.getItem();
this.render();
}
up() {
this.prev();
}
down() {
this.next();
}
format(value) {
let color = this.state.completed < 100 ? this.styles.warning : this.styles.success;
if (this.state.submitted === true && this.state.completed !== 100) {
color = this.styles.danger;
}
return color(`${this.state.completed}% completed`);
}
async render() {
let { index, keys = [], submitted, size } = this.state;
let newline = [this.options.newline, '\n'].find(v => v != null);
let prefix = await this.prefix();
let separator = await this.separator();
let message = await this.message();
let prompt = [prefix, message, separator].filter(Boolean).join(' ');
this.state.prompt = prompt;
let header = await this.header();
let error = (await this.error()) || '';
let hint = (await this.hint()) || '';
let body = submitted ? '' : await this.interpolate(this.state);
let key = this.state.key = keys[index] || '';
let input = await this.format(key);
let footer = await this.footer();
if (input) prompt += ' ' + input;
if (hint && !input && this.state.completed === 0) prompt += ' ' + hint;
this.clear(size);
let lines = [header, prompt, body, footer, error.trim()];
this.write(lines.filter(Boolean).join(newline));
this.restore();
}
getItem(name) {
let { items, keys, index } = this.state;
let item = items.find(ch => ch.name === keys[index]);
if (item && item.input != null) {
this.input = item.input;
this.cursor = item.cursor;
}
return item;
}
async submit() {
if (typeof this.interpolate !== 'function') await this.initialize();
await this.interpolate(this.state, true);
let { invalid, missing, output, values } = this.state;
if (invalid.size) {
let err = '';
for (let [key, value] of invalid) err += `Invalid ${key}: ${value}\n`;
this.state.error = err;
return super.submit();
}
if (missing.size) {
this.state.error = 'Required: ' + [...missing.keys()].join(', ');
return super.submit();
}
let lines = colors.unstyle(output).split('\n');
let result = lines.map(v => v.slice(1)).join('\n');
this.value = { values, result };
return super.submit();
}
}
module.exports = SnippetPrompt;