Get rid of ES6 completely

Author: andrejbaran

src/compiler/commandLineParser.ts

@@ -101,7 +101,7 @@ namespace ts {
                 "amd": ModuleKind.AMD,
                 "system": ModuleKind.System,
                 "umd": ModuleKind.UMD,
-                "es6": ModuleKind.ES6,
+                "es6": ModuleKind.ES2015,
                 "es2015": ModuleKind.ES2015,
             }),
             description: Diagnostics.Specify_module_code_generation_Colon_commonjs_amd_system_umd_or_es2015,
@@ -261,7 +261,7 @@ namespace ts {
             type: createMap({
                 "es3": ScriptTarget.ES3,
                 "es5": ScriptTarget.ES5,
-                "es6": ScriptTarget.ES6,
+                "es6": ScriptTarget.ES2015,
                 "es2015": ScriptTarget.ES2015,
                 "es2016": ScriptTarget.ES2016,
                 "es2017": ScriptTarget.ES2017,

src/compiler/types.ts

@@ -3019,8 +3019,7 @@ namespace ts {
         AMD = 2,
         UMD = 3,
         System = 4,
-        ES6 = 5,
-        ES2015 = ES6,
+        ES2015 = 5,
     }
 
     export const enum JsxEmit {
@@ -3053,8 +3052,7 @@ namespace ts {
     export const enum ScriptTarget {
         ES3 = 0,
         ES5 = 1,
-        ES6 = 2,
-        ES2015 = ES6,
+        ES2015 = 2,
         ES2016 = 3,
         ES2017 = 4,
         Latest = ES2017,

tests/baselines/reference/APISample_linter.js

@@ -58,7 +58,7 @@ export function delint(sourceFile: ts.SourceFile) {
 const fileNames: string[] = process.argv.slice(2);
 fileNames.forEach(fileName => {
     // Parse a file
-    let sourceFile = ts.createSourceFile(fileName, readFileSync(fileName).toString(), ts.ScriptTarget.ES6, /*setParentNodes */ true);
+    let sourceFile = ts.createSourceFile(fileName, readFileSync(fileName).toString(), ts.ScriptTarget.ES2015, /*setParentNodes */ true);
 
     // delint it
     delint(sourceFile);
@@ -113,7 +113,7 @@ exports.delint = delint;
 var fileNames = process.argv.slice(2);
 fileNames.forEach(function (fileName) {
     // Parse a file
-    var sourceFile = ts.createSourceFile(fileName, readFileSync(fileName).toString(), ts.ScriptTarget.ES6, /*setParentNodes */ true);
+    var sourceFile = ts.createSourceFile(fileName, readFileSync(fileName).toString(), ts.ScriptTarget.ES2015, /*setParentNodes */ true);
     // delint it
     delint(sourceFile);
 });

tests/cases/compiler/APISample_linter.ts

@@ -61,7 +61,7 @@ export function delint(sourceFile: ts.SourceFile) {
 const fileNames: string[] = process.argv.slice(2);
 fileNames.forEach(fileName => {
     // Parse a file
-    let sourceFile = ts.createSourceFile(fileName, readFileSync(fileName).toString(), ts.ScriptTarget.ES6, /*setParentNodes */ true);
+    let sourceFile = ts.createSourceFile(fileName, readFileSync(fileName).toString(), ts.ScriptTarget.ES2015, /*setParentNodes */ true);
 
     // delint it
     delint(sourceFile);