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const chalk = require('chalk') | |
const stripAnsi = require('strip-ansi') | |
const readline = require('readline') | |
const EventEmitter = require('events') | |
const { stopSpinner } = require('./spinner') | |
exports.events = new EventEmitter() | |
function _log (type, tag, message) { | |
if (process.env.VUE_CLI_API_MODE && message) { | |
exports.events.emit('log', { | |
message, | |
type, | |
tag | |
}) | |
} | |
} | |
const format = (label, msg) => { | |
return msg.split('\n').map((line, i) => { | |
return i === 0 | |
? `${label} ${line}` | |
: line.padStart(stripAnsi(label).length) | |
}).join('\n') | |
} | |
const chalkTag = msg => chalk.bgBlackBright.white.dim(` ${msg} `) | |
exports.log = (msg = '', tag = null) => { | |
tag ? console.log(format(chalkTag(tag), msg)) : console.log(msg) | |
_log('log', tag, msg) | |
} | |
exports.info = (msg, tag = null) => { | |
console.log(format(chalk.bgBlue.black(' INFO ') + (tag ? chalkTag(tag) : ''), msg)) | |
_log('info', tag, msg) | |
} | |
exports.done = (msg, tag = null) => { | |
console.log(format(chalk.bgGreen.black(' DONE ') + (tag ? chalkTag(tag) : ''), msg)) | |
_log('done', tag, msg) | |
} | |
exports.warn = (msg, tag = null) => { | |
console.warn(format(chalk.bgYellow.black(' WARN ') + (tag ? chalkTag(tag) : ''), chalk.yellow(msg))) | |
_log('warn', tag, msg) | |
} | |
exports.error = (msg, tag = null) => { | |
stopSpinner() | |
console.error(format(chalk.bgRed(' ERROR ') + (tag ? chalkTag(tag) : ''), chalk.red(msg))) | |
_log('error', tag, msg) | |
if (msg instanceof Error) { | |
console.error(msg.stack) | |
_log('error', tag, msg.stack) | |
} | |
} | |
exports.clearConsole = title => { | |
if (process.stdout.isTTY) { | |
const blank = '\n'.repeat(process.stdout.rows) | |
console.log(blank) | |
readline.cursorTo(process.stdout, 0, 0) | |
readline.clearScreenDown(process.stdout) | |
if (title) { | |
console.log(title) | |
} | |
} | |
} | |
// silent all logs except errors during tests and keep record | |
if (process.env.VUE_CLI_TEST) { | |
require('./_silence')('logs', exports) | |
} | |