Function onUserConsoleLog

packages/vitest/src/node/reporters/base.ts:448–504

(log: UserConsoleLog, taskState?: TestResult['state'])

  }

  onUserConsoleLog(log: UserConsoleLog, taskState?: TestResult['state']): void {
    if (!this.shouldLog(log, taskState)) {
      return
    }

    const output
      = log.type === 'stdout'
        ? this.ctx.logger.outputStream
        : this.ctx.logger.errorStream

    const write = (msg: string) => (output as any).write(msg)

    let headerText = 'unknown test'
    const task = log.taskId ? this.ctx.state.idMap.get(log.taskId) : undefined

    if (task) {
      headerText = this.getFullName(task, separator)
    }
    else if (log.taskId && log.taskId !== '__vitest__unknown_test__') {
      headerText = log.taskId
    }

    write(c.gray(log.type + c.dim(` | ${headerText}\n`)) + log.content)

    if (log.origin) {
      // browser logs don't have an extra end of line at the end like Node.js does
      if (log.browser) {
        write('\n')
      }

      const project = task
        ? this.ctx.getProjectByName(task.file.projectName || '')
        : this.ctx.getRootProject()

      const stack = log.browser
        ? (project.browser?.parseStacktrace(log.origin) || [])
        : parseStacktrace(log.origin)

      const highlight = task && stack.find(i => i.file === task.file.filepath)

      for (const frame of stack) {
        const color = frame === highlight ? c.cyan : c.gray
        const path = relative(project.config.root, frame.file)

        const positions = [
          frame.method,
          `${path}:${c.dim(`${frame.line}:${frame.column}`)}`,
        ]
          .filter(Boolean)
          .join(' ')

        write(color(` ${c.dim(F_POINTER)} ${positions}\n`))
      }
    }

    write('\n')
  }