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fix(vitest): print warnings form Vite plugins (#6724)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,137 @@ | ||
| import type { LogErrorOptions, LogLevel, LogType, Logger, LoggerOptions } from 'vite' | ||
| import type { RollupError } from 'rollup' | ||
| import colors from 'tinyrainbow' | ||
| import type { Logger as VitestLogger } from './logger' | ||
|
|
||
| const LogLevels: Record<LogLevel, number> = { | ||
| silent: 0, | ||
| error: 1, | ||
| warn: 2, | ||
| info: 3, | ||
| } | ||
|
|
||
| function clearScreen(logger: VitestLogger) { | ||
| const repeatCount = process.stdout.rows - 2 | ||
| const blank = repeatCount > 0 ? '\n'.repeat(repeatCount) : '' | ||
| logger.clearScreen(blank) | ||
| } | ||
|
|
||
| let lastType: LogType | undefined | ||
| let lastMsg: string | undefined | ||
| let sameCount = 0 | ||
|
|
||
| // Only initialize the timeFormatter when the timestamp option is used, and | ||
| // reuse it across all loggers | ||
| let timeFormatter: Intl.DateTimeFormat | ||
| function getTimeFormatter() { | ||
| timeFormatter ??= new Intl.DateTimeFormat(undefined, { | ||
| hour: 'numeric', | ||
| minute: 'numeric', | ||
| second: 'numeric', | ||
| }) | ||
| return timeFormatter | ||
| } | ||
|
|
||
| // This is copy-pasted and needs to be synced from time to time. Ideally, Vite's `createLogger` should accept a custom `console` | ||
| // https://github.com/vitejs/vite/blob/main/packages/vite/src/node/logger.ts?rgh-link-date=2024-10-16T23%3A29%3A19Z | ||
| // When Vitest supports only Vite 6 and above, we can use Vite's `createLogger({ console })` | ||
| // https://github.com/vitejs/vite/pull/18379 | ||
| export function createViteLogger( | ||
| console: VitestLogger, | ||
| level: LogLevel = 'info', | ||
| options: LoggerOptions = {}, | ||
| ): Logger { | ||
| const loggedErrors = new WeakSet<Error | RollupError>() | ||
| const { prefix = '[vite]', allowClearScreen = true } = options | ||
| const thresh = LogLevels[level] | ||
| const canClearScreen | ||
| = allowClearScreen && process.stdout.isTTY && !process.env.CI | ||
| const clear = canClearScreen ? clearScreen : () => {} | ||
|
|
||
| function format(type: LogType, msg: string, options: LogErrorOptions = {}) { | ||
| if (options.timestamp) { | ||
| let tag = '' | ||
| if (type === 'info') { | ||
| tag = colors.cyan(colors.bold(prefix)) | ||
| } | ||
| else if (type === 'warn') { | ||
| tag = colors.yellow(colors.bold(prefix)) | ||
| } | ||
| else { | ||
| tag = colors.red(colors.bold(prefix)) | ||
| } | ||
| const environment = (options as any).environment ? `${(options as any).environment} ` : '' | ||
| return `${colors.dim(getTimeFormatter().format(new Date()))} ${tag} ${environment}${msg}` | ||
| } | ||
| else { | ||
| return msg | ||
| } | ||
| } | ||
|
|
||
| function output(type: LogType, msg: string, options: LogErrorOptions = {}) { | ||
| if (thresh >= LogLevels[type]) { | ||
| const method = type === 'info' ? 'log' : type | ||
|
|
||
| if (options.error) { | ||
| loggedErrors.add(options.error) | ||
| } | ||
| if (canClearScreen) { | ||
| if (type === lastType && msg === lastMsg) { | ||
| sameCount++ | ||
| clear(console) | ||
| console[method]( | ||
| format(type, msg, options), | ||
| colors.yellow(`(x${sameCount + 1})`), | ||
| ) | ||
| } | ||
| else { | ||
| sameCount = 0 | ||
| lastMsg = msg | ||
| lastType = type | ||
| if (options.clear) { | ||
| clear(console) | ||
| } | ||
| console[method](format(type, msg, options)) | ||
| } | ||
| } | ||
| else { | ||
| console[method](format(type, msg, options)) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| const warnedMessages = new Set<string>() | ||
|
|
||
| const logger: Logger = { | ||
| hasWarned: false, | ||
| info(msg, opts) { | ||
| output('info', msg, opts) | ||
| }, | ||
| warn(msg, opts) { | ||
| logger.hasWarned = true | ||
| output('warn', msg, opts) | ||
| }, | ||
| warnOnce(msg, opts) { | ||
| if (warnedMessages.has(msg)) { | ||
| return | ||
| } | ||
| logger.hasWarned = true | ||
| output('warn', msg, opts) | ||
| warnedMessages.add(msg) | ||
| }, | ||
| error(msg, opts) { | ||
| logger.hasWarned = true | ||
| output('error', msg, opts) | ||
| }, | ||
| clearScreen(type) { | ||
| if (thresh >= LogLevels[type]) { | ||
| clear(console) | ||
| } | ||
| }, | ||
| hasErrorLogged(error) { | ||
| return loggedErrors.has(error) | ||
| }, | ||
| } | ||
|
|
||
| return logger | ||
| } |
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