@bowtie/sls/src/config/helpers.js

Serverless helpers & utilities

const defaults = require('./defaults')
const { parseServiceConfig } = require('../utils')

const mapAlias = (subject) => {
  const results = {}
  const { mappings = {} } = parseServiceConfig()

  Object.keys(mappings).forEach(scope => {
    const matches = mappings[scope]

    Object.keys(matches).forEach(match => {
      const compare = new RegExp(matches[match])

      if (compare.test(subject)) {
        console.log('DEBUG: Subject matches!', { subject, compare, match })
        if (results[scope]) {
          console.warn(`WARN: Duplicate mapping in '${scope}'! Overwriting: '${results[scope]}' -> '${match}' ...`)
        }
        results[scope] = match
      }
    })
  })

  console.log('DEBUG: mapAlias()', { results })

  return results
}

const mapAliasScope = (scope, subject) => mapAlias(subject)[scope]
const envGetAlias = (name) => (mapAliasScope('env', name) || defaults.envAlias)
const envHasAlias = (name, alias) => (alias === envGetAlias(name))
const tagIsRelease = (tag) => tag && envHasAlias(tag, 'release')

module.exports = {
  mapAlias,
  mapAliasScope,
  envGetAlias,
  envHasAlias,
  tagIsRelease
}