mirror of https://github.com/jkjoy/sunpeiwen.git
119 lines
3.2 KiB
JavaScript
119 lines
3.2 KiB
JavaScript
'use strict';
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const chalk = require('chalk');
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const { readFile } = require('hexo-fs');
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const { join } = require('path');
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const Promise = require('bluebird');
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const COMPLETION_DIR = join(__dirname, '../../completion');
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function helpConsole(args) {
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if (args.v || args.version) {
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return this.call('version');
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} else if (args.consoleList) {
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return printConsoleList(this.extend.console.list());
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} else if (typeof args.completion === 'string') {
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return printCompletion(args.completion);
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}
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const command = args._[0];
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if (typeof command === 'string' && command !== 'help') {
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const c = this.extend.console.get(command);
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if (c) return printHelpForCommand(this.extend.console.alias[command], c);
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}
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return printAllHelp(this.extend.console.list());
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}
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function printHelpForCommand(command, data) {
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const { options } = data;
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const desc = options.description || options.desc || data.description || data.desc;
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console.log('Usage: hexo', command, options.usage || '');
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console.log('\nDescription:');
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console.log(`${desc}\n`);
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if (options.arguments) printList('Arguments', options.arguments);
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if (options.commands) printList('Commands', options.commands);
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if (options.options) printList('Options', options.options);
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return Promise.resolve();
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}
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function printAllHelp(list) {
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const keys = Object.keys(list);
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const commands = [];
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const { length } = keys;
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for (let i = 0; i < length; i++) {
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const key = keys[i];
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commands.push({
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name: key,
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desc: list[key].desc
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});
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}
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console.log('Usage: hexo <command>\n');
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printList('Commands', commands);
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printList('Global Options', [
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{name: '--config', desc: 'Specify config file instead of using _config.yml'},
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{name: '--cwd', desc: 'Specify the CWD'},
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{name: '--debug', desc: 'Display all verbose messages in the terminal'},
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{name: '--draft', desc: 'Display draft posts'},
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{name: '--safe', desc: 'Disable all plugins and scripts'},
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{name: '--silent', desc: 'Hide output on console'}
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]);
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console.log('For more help, you can use \'hexo help [command]\' for the detailed information');
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console.log('or you can check the docs:', chalk.underline('http://hexo.io/docs/'));
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return Promise.resolve();
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}
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function printList(title, list) {
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list.sort((a, b) => {
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const nameA = a.name;
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const nameB = b.name;
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if (nameA < nameB) return -1;
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if (nameA > nameB) return 1;
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return 0;
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});
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const lengths = list.map(item => item.name.length);
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const maxLen = lengths.reduce((prev, current) => Math.max(prev, current));
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let str = `${title}:\n`;
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const { length } = list;
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for (let i = 0; i < length; i++) {
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const { description = list[i].desc } = list[i];
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const pad = ' '.repeat(maxLen - lengths[i] + 2);
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str += ` ${chalk.bold(list[i].name)}${pad}${description}\n`;
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}
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console.log(str);
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return Promise.resolve();
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}
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function printConsoleList(list) {
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console.log(Object.keys(list).join('\n'));
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return Promise.resolve();
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}
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function printCompletion(type) {
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return readFile(join(COMPLETION_DIR, type)).then(content => {
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console.log(content);
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});
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}
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module.exports = helpConsole;
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