verifyFile

src/docker.ts

@@ -1,4 +1,4 @@
-import { exit, fileExists } from '~/utils'
+import { exit, verifyFile } from '~/utils'
 import { run, capture } from '~/shell'
 import Container from '~/container'
 
@@ -11,8 +11,7 @@ async function compose(contextName: string, command: string, path: string, optio
   if (Container.find(contextName, path))
     return run(`${base} ${command}${options.append ? ` ${path}` : ''}`, options)
 
-  if (options.exit && !fileExists(path))
-    exit(1, `👿 '${path}' must point to a valid docker-compose yaml file`)
+  options.exit && verifyFile(path)
 
   return run(`${base} -f ${path} ${command}`, options)
 }

src/staxfile/compiler.ts

@@ -1,5 +1,5 @@
 import { readFileSync } from 'fs'
-import { exit, fileExists, makeTempFile } from '~/utils'
+import { exit, makeTempFile, verifyFile } from '~/utils'
 import path from 'path'
 import yaml from 'js-yaml'
 import DockerfileCompiler from './dockerfile_compiler'
@@ -11,8 +11,7 @@ export default class Compiler {
   public baseDir: string
 
   constructor(staxfile: string) {
-    if (!fileExists(staxfile))
-      exit(1, `Staxfile not found: ${staxfile}`)
+    verifyFile(staxfile, 'Staxfile not found')
 
     this.staxfile = path.resolve(staxfile)
     this.config = yaml.load(readFileSync(this.staxfile, 'utf-8'))

src/staxfile/dockerfile_compiler.ts

@@ -1,6 +1,6 @@
 import path from 'path'
 import { readFileSync, writeFileSync } from 'fs'
-import { exit, fileExists } from '~/utils'
+import { exit, verifyFile } from '~/utils'
 
 interface BuildOptions {
   dockerfile: string;
@@ -19,9 +19,7 @@ export default class DockerfileCompiler {
     const modules = this.loadModules()
     let text = ""
 
-    if (!fileExists(this.build.dockerfile))
-      exit(1, `File not found: ${this.build.dockerfile}`)
-
+    verifyFile(this.build.dockerfile, 'Dockerfile not found')
     readFileSync(this.build.dockerfile, 'utf-8').split("\n").forEach((line) => {
       const matches = line.trim().match(/# \$stax\.section +(.*?)$/)
 
@@ -55,8 +53,7 @@ export default class DockerfileCompiler {
   }
 
   private parseModuleFile(file: string, modules: Record<string, string>) {
-    if (!fileExists(file))
-      exit(1, `Module file not found: ${file}`)
+    verifyFile(file, 'Module file not found')
 
     const contents = readFileSync(file, 'utf-8')
     let sectionName: string

src/utils.ts

@@ -29,6 +29,12 @@ export function fileExists(file) {
   return existsSync(file)
 }
 
+export function verifyFile(file: string, message: string = undefined): boolean {
+  if (!fileExists(file))
+    exit(1, (message || 'File not found') + `: ${file}`)
+  return true
+}
+
 export function directoryExists(path: string): boolean {
   return existsSync(path) && statSync(path).isDirectory();
 }