rename method and add to module entry point

src/api/load_configuration.ts

@@ -6,8 +6,7 @@ import {
   parseConfiguration,
   validateConfiguration,
 } from '../configuration'
-import { mergeEnvironment } from '../environment/merge_environment'
-import { IRunEnvironment } from '../environment'
+import { IRunEnvironment, makeEnvironment } from '../environment'
 import { convertConfiguration } from './convert_configuration'
 import { IResolvedConfiguration, ILoadConfigurationOptions } from './types'
 
@@ -22,7 +21,7 @@ export async function loadConfiguration(
   options: ILoadConfigurationOptions = {},
   environment: IRunEnvironment = {}
 ): Promise<IResolvedConfiguration> {
-  const { cwd, env, logger } = mergeEnvironment(environment)
+  const { cwd, env, logger } = makeEnvironment(environment)
   const configFile = options.file ?? locateFile(cwd)
   if (configFile) {
     logger.debug(`Configuration will be loaded from "${configFile}"`)

src/api/load_sources.ts

@@ -1,7 +1,6 @@
 import { IdGenerator } from '@cucumber/messages'
 import { resolvePaths } from '../paths'
-import { mergeEnvironment } from '../environment/merge_environment'
-import { IRunEnvironment } from '../environment'
+import { IRunEnvironment, makeEnvironment } from '../environment'
 import {
   ILoadSourcesResult,
   IPlannedPickle,
@@ -23,7 +22,7 @@ export async function loadSources(
   coordinates: ISourcesCoordinates,
   environment: IRunEnvironment = {}
 ): Promise<ILoadSourcesResult> {
-  const mergedEnvironment = mergeEnvironment(environment)
+  const mergedEnvironment = makeEnvironment(environment)
   const { cwd, logger } = mergedEnvironment
   const newId = IdGenerator.uuid()
   const pluginManager = await initializeForLoadSources(

src/api/load_support.ts

@@ -1,7 +1,6 @@
 import { IdGenerator } from '@cucumber/messages'
 import { resolvePaths } from '../paths'
-import { mergeEnvironment } from '../environment/merge_environment'
-import { IRunEnvironment } from '../environment'
+import { IRunEnvironment, makeEnvironment } from '../environment'
 import { ILoadSupportOptions, ISupportCodeLibrary } from './types'
 import { getSupportCodeLibrary } from './support'
 import { initializeForLoadSupport } from './plugins'
@@ -17,7 +16,7 @@ export async function loadSupport(
   options: ILoadSupportOptions,
   environment: IRunEnvironment = {}
 ): Promise<ISupportCodeLibrary> {
-  const mergedEnvironment = mergeEnvironment(environment)
+  const mergedEnvironment = makeEnvironment(environment)
   const { cwd, logger } = mergedEnvironment
   const newId = IdGenerator.uuid()
   const supportCoordinates = Object.assign(

src/api/run_cucumber.ts

@@ -7,8 +7,7 @@ import { SupportCodeLibrary } from '../support_code_library_builder/types'
 import { version } from '../version'
 import { IFilterablePickle } from '../filter'
 import { makeRuntime } from '../runtime'
-import { mergeEnvironment } from '../environment/merge_environment'
-import { IRunEnvironment } from '../environment'
+import { IRunEnvironment, makeEnvironment } from '../environment'
 import { IRunOptions, IRunResult } from './types'
 import { initializeFormatters } from './formatters'
 import { getSupportCodeLibrary } from './support'
@@ -28,7 +27,7 @@ export async function runCucumber(
   environment: IRunEnvironment = {},
   onMessage?: (message: Envelope) => void
 ): Promise<IRunResult> {
-  const mergedEnvironment = mergeEnvironment(environment)
+  const mergedEnvironment = makeEnvironment(environment)
   const { cwd, stdout, stderr, env, logger } = mergedEnvironment
 
   logger.debug(`Running cucumber-js ${version} 

src/environment/index.ts

@@ -1 +1,2 @@
+export * from './make_environment'
 export * from './types'

src/environment/merge_environment.ts → src/environment/make_environment.ts

@@ -1,7 +1,7 @@
 import { ConsoleLogger } from './console_logger'
 import { UsableEnvironment, IRunEnvironment } from './types'
 
-export function mergeEnvironment(provided: IRunEnvironment): UsableEnvironment {
+export function makeEnvironment(provided: IRunEnvironment): UsableEnvironment {
   const fullEnvironment = Object.assign(
     {},
     {