@sap/cds-dk/bin/util/log.js

Command line client and development toolkit for the SAP Cloud Application Programming Model

// sorts, filters, and writes compilation messages to console
module.exports = (messages, options={}) => {
  const { format } = require('../../lib/util/term')
  const logLevel = options && options['log-level'] || require('../../lib').env.log.levels.cli || ''
  const levels = {
    debug: { Error:4, undefined:4, Warning:3, Info:2, Debug:1 },
    info: { Error:4, undefined:4, Warning:3, Info:2 },
    warn: { Error:4, undefined:4, Warning:3 },
    error: { Error:4, undefined:4 },
  } [logLevel.toLowerCase()] || { Error:4, undefined:4, Warning:3 }
  const log = options.log || console.error

  if (!Array.isArray (messages))  messages = [messages]
  for (let m of messages.filter (m => m.severity in levels)) {
    // show stack for resolution issues since there the requiring code location is in the stack
    // check for standard Error classes, but not Error itself
    const internalError = m.name === 'EvalError' || m.name === 'InternalError' || m.name === 'RangeError'
    || m.name === 'ReferenceError' || m.name === 'SyntaxError' || m.name === 'TypeError'
    || m.name === 'URIError'
    const mf = format (m, m.severity, internalError, true)
    log (mf)
  }
}
/* eslint no-console:off */