compiler error type + exit code

Author: sinclairzx81

src/command/command.ts

@@ -101,7 +101,7 @@ export class Command {
       options.commandType = 'info'
       return options
     }
-
+    
     // Resolve inputFile and inputFileType
     options.commandType   = 'bundle'
     options.inFile        = resolve(next)
@@ -191,7 +191,7 @@ export class Command {
             options.errorText = `expected <global>=<module> pair for --importAs.`
             return options
           }
-          const pattern = /([a-zA-Z0-9]+)=([a-zA-Z0-9]+)/
+          const pattern = /([a-zA-Z0-9-_$]+)=([a-zA-Z0-9-_$]+)/
           const match = next.match(pattern)
           if(!match) {
             options.commandType = 'error'

src/compiler/index.ts

@@ -27,6 +27,7 @@ THE SOFTWARE.
 ---------------------------------------------------------------------------*/
 
 export { TypeScriptConfiguration } from './config'
+export { TypeScriptCompilerError } from './typescript'
 export { TypeScriptOptions }       from './typescript'
 export { TypeScript }              from './typescript'
 export { Watcher }                 from './watcher'

src/compiler/typescript.ts

@@ -47,6 +47,12 @@ import { readFileSync } from 'fs'
 //
 // --------------------------------------------------------------------------
 
+export class TypeScriptCompilerError extends Error {
+  constructor(public exitcode: number) {
+    super(`TypeScript ended with exit code ${exitcode}`)
+  }
+}
+
 export type ESTarget = 'unknown' | 'es3' | 'es5' | 'es6' | 'es2015' | 'es2016' | 'es2017' | 'es2018' | 'esnext'
 
 export interface TypeScriptOptions {
@@ -110,7 +116,7 @@ export class TypeScript {
         if (exitcode === 0) {
           return resolve(exitcode)
         }
-        reject(new Error(`exitcode ${exitcode}`))
+        reject(new TypeScriptCompilerError(exitcode))
       })
     })
   }

src/index.ts

@@ -30,6 +30,7 @@ import { TypeScriptConfiguration }       from './compiler/index'
 import { Command, CommandOptions }       from './command/index'
 import { Bundler, BundlerOptions }       from './bundler/index'
 import { TypeScript, TypeScriptOptions } from './compiler/index'
+import { TypeScriptCompilerError }       from './compiler/index'
 import { writeFileSync }                 from 'fs'
 
 /** Writes usage information */
@@ -137,7 +138,7 @@ async function bundle(commandOptions: CommandOptions) {
     })
   } catch(error) {
     fatal(error.message)
-    process.exit(2)
+    process.exit((error as TypeScriptCompilerError).exitcode)
   }
 }