Revert "Remove SafeJSON."

This reverts commit 713171e.

src/module/esm/extensions.js

@@ -1,8 +1,8 @@
+import SafeJSON from "../../safe/json.js"
+
 import { dlopen } from "../../safe/process.js"
 import { readFileSync } from "../../safe/fs.js"
 import stripBOM from "../../util/strip-bom.js"
-import toExternalError from "../../util/to-external-error.js"
-import toExternalObject from "../../util/to-external-object.js"
 import toNamespacedPath from "../../path/to-namespaced-path.js"
 
 const extensions = { __proto__: null }
@@ -17,17 +17,13 @@ extensions[".json"] = function (mod, filename) {
   let exported
 
   try {
-    exported = JSON.parse(content)
+    exported = SafeJSON.parse(content)
   } catch (e) {
     e.message = filename + ": " + e.message
 
-    toExternalError(e)
-
     throw e
   }
 
-  toExternalObject(exported)
-
   mod.exports = exported
 }
 

src/module/internal/compile.js

@@ -10,6 +10,7 @@ import Entry from "../../entry.js"
 import GenericObject from "../../generic/object.js"
 import Loader from "../../loader.js"
 import Runtime from "../../runtime.js"
+import SafeJSON from "../../safe/json.js"
 
 import assign from "../../util/assign.js"
 import captureStackTrace from "../../error/capture-stack-trace.js"
@@ -36,7 +37,6 @@ import shared from "../../shared.js"
 import stripBOM from "../../util/strip-bom.js"
 import toExternalError from "../../util/to-external-error.js"
 import toExternalFunction from "../../util/to-external-function.js"
-import toExternalObject from "../../util/to-external-object.js"
 import toString from "../../util/to-string.js"
 
 const {
@@ -596,8 +596,7 @@ function jsonParse(entry, filename, fallback) {
       fallback()
       parsed = mod.exports
     } else {
-      parsed = JSON.parse(content)
-      toExternalObject(parsed)
+      parsed = SafeJSON.parse(content)
     }
 
     threw = false
@@ -606,7 +605,6 @@ function jsonParse(entry, filename, fallback) {
 
     if (! useFallback) {
       error.message = filename + ": " + error.message
-      toExternalError(error)
     }
   }
 

src/safe/json.js

@@ -0,0 +1,6 @@
+import safe from "../util/safe.js"
+import shared from "../shared.js"
+
+export default shared.inited
+  ? shared.module.safeJSON
+  : shared.module.safeJSON = safe(shared.external.JSON)

webpack.config.js

@@ -74,9 +74,9 @@ const isProd = /production/.test(ESM_ENV)
 const isTest = /test/.test(ESM_ENV)
 
 const externals = [
-  "Array", "Buffer", "Error", "EvalError", "Function", "Object", "Promise",
-  "RangeError", "ReferenceError", "Reflect", "SyntaxError", "TypeError",
-  "URIError", "eval"
+  "Array", "Buffer", "Error", "EvalError", "Function", "JSON", "Object",
+  "Promise", "RangeError", "ReferenceError", "Reflect", "SyntaxError",
+  "TypeError", "URIError", "eval"
 ]
 
 const hosted = [