Remove the sourceMapTarget option from core and implement it in babel-cli. (#7500)

packages/babel-core/README.md

@@ -242,7 +242,6 @@ Following is a table of the options you can use:
 | `shouldPrintComment`     | `null`               | An optional callback that controls whether a comment should be output or not. Called as `shouldPrintComment(commentContents)`. **NOTE:** This overrides the `comment` option when used |
 | `sourceFileName`         | `(filenameRelative)` | Set `sources[0]` on returned source map |
 | `sourceMaps`             | `false`              | If truthy, adds a `map` property to returned output. If set to `"inline"`, a comment with a sourceMappingURL directive is added to the bottom of the returned code. If set to `"both"` then a `map` property is returned as well as a source map comment appended. **This does not emit sourcemap files by itself!** To have sourcemaps emitted using the CLI, you must pass it the `--source-maps` option |
-| `sourceMapTarget`        | `(filenameRelative)` | Set `file` on returned source map |
 | `sourceRoot`             | `(moduleRoot)`       | The root from which all sources are relative |
 | `sourceType`             | `"module"`           | Indicate the mode the code should be parsed in. Can be one of "script", "module", or "unambiguous". `"unambiguous"` will make Babel attempt to _guess_, based on the presence of ES6 `import` or `export` statements. Files with ES6 `import`s and `export`s are considered `"module"` and are otherwise `"script"`. |
 | `wrapPluginVisitorMethod`| `null`               | An optional callback that can be used to wrap visitor methods. **NOTE:** This is useful for things like introspection, and not really needed for implementing anything. Called as `wrapPluginVisitorMethod(pluginAlias, visitorType, callback)`.

packages/babel-core/src/config/validation/options.js

@@ -119,9 +119,6 @@ const COMMON_VALIDATORS: ValidatorSet = {
   sourceMap: (assertSourceMaps: Validator<
     $PropertyType<ValidatedOptions, "sourceMap">,
   >),
-  sourceMapTarget: (assertString: Validator<
-    $PropertyType<ValidatedOptions, "sourceMapTarget">,
-  >),
   sourceFileName: (assertString: Validator<
     $PropertyType<ValidatedOptions, "sourceFileName">,
   >),
@@ -192,7 +189,6 @@ export type ValidatedOptions = {
   // Sourcemap generation options.
   sourceMaps?: SourceMapsOption,
   sourceMap?: SourceMapsOption,
-  sourceMapTarget?: string,
   sourceFileName?: string,
   sourceRoot?: string,
 

packages/babel-core/src/config/validation/removed.js

@@ -44,7 +44,8 @@ export default {
     message: "Put the specific transforms you want in the `plugins` option",
   },
   sourceMapName: {
-    message: "Use the `sourceMapTarget` option",
+    message:
+      "The `sourceMapName` option has been removed because it makes more sense for the tooling that calls Babel to assign `map.file` themselves.",
   },
   stage: {
     message:
@@ -64,4 +65,10 @@ export default {
     message:
       "Generated plugin metadata is always included in the output result",
   },
+
+  sourceMapTarget: {
+    version: 6,
+    message:
+      "The `sourceMapTarget` option has been removed because it makes more sense for the tooling that calls Babel to assign `map.file` themselves.",
+  },
 };

packages/babel-core/src/transformation/normalize-opts.js

@@ -15,7 +15,6 @@ export default function normalizeOptions(config: ResolvedConfig): {} {
     sourceRoot = moduleRoot,
 
     sourceFileName = filenameRelative,
-    sourceMapTarget = filenameRelative,
 
     comments = true,
     compact = "auto",
@@ -47,7 +46,6 @@ export default function normalizeOptions(config: ResolvedConfig): {} {
 
         // Source-map generation flags.
         sourceMaps,
-        sourceMapTarget,
         sourceRoot,
         sourceFileName,
       },

packages/babel-core/test/fixtures/transformation/source-maps/full/source-map.json

@@ -1,6 +1,5 @@
 {
   "version": 3,
-  "file": "source-maps/full/output.js",
   "sources": ["source-maps/full/input.js"],
   "names": [
     "arr",

packages/babel-core/test/fixtures/transformation/source-maps/inline/output.js

@@ -1,4 +1,4 @@
 arr.map(function (x) {
   return x * x;
 });
-//# sourceMappingURL=data:application/json;charset=utf-8;base64,eyJ2ZXJzaW9uIjozLCJzb3VyY2VzIjpbInNvdXJjZS1tYXBzL2lubGluZS9pbnB1dC5qcyJdLCJuYW1lcyI6WyJhcnIiLCJtYXAiLCJ4Il0sIm1hcHBpbmdzIjoiQUFBQUEsSUFBSUMsR0FBSixDQUFRO0FBQUEsU0FBS0MsSUFBSUEsQ0FBVDtBQUFBLENBQVIiLCJmaWxlIjoic291cmNlLW1hcHMvaW5saW5lL291dHB1dC5qcyIsInNvdXJjZXNDb250ZW50IjpbImFyci5tYXAoeCA9PiB4ICogeCk7Il19
+//# sourceMappingURL=data:application/json;charset=utf-8;base64,eyJ2ZXJzaW9uIjozLCJzb3VyY2VzIjpbInNvdXJjZS1tYXBzL2lubGluZS9pbnB1dC5qcyJdLCJuYW1lcyI6WyJhcnIiLCJtYXAiLCJ4Il0sIm1hcHBpbmdzIjoiQUFBQUEsSUFBSUMsR0FBSixDQUFRO0FBQUEsU0FBS0MsSUFBSUEsQ0FBVDtBQUFBLENBQVIiLCJzb3VyY2VzQ29udGVudCI6WyJhcnIubWFwKHggPT4geCAqIHgpOyJdfQ==