mime: add .json to built-in list of MIME types

Since json is popular and mime package's builtin type does not contain
it, and some Linux distributions do not contain the '/etc/mime.types' file
with minimal installations.

Change-Id: I933393c82be296ef176206c253f4dd19b6f33bb1
GitHub-Last-Rev: ce4eae56a4d468631555dc85e0e7ab4bbd0ef45d
GitHub-Pull-Request: golang/go#34737
Reviewed-on: https://go-review.googlesource.com/c/go/+/199657
Run-TryBot: Daniel Martí <mvdan@mvdan.cc>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>

diff --git a/src/mime/type.go b/src/mime/type.go
index 260c535af059d965843ae71ad13de6e35d0ff1ff..6d2b89e405960e2f3d72a45d9612db428e743379 100644 (file)
--- a/src/mime/type.go
+++ b/src/mime/type.go
@@ -65,6 +65,7 @@ var builtinTypesLower = map[string]string{
        ".jpeg": "image/jpeg",
        ".jpg":  "image/jpeg",
        ".js":   "text/javascript; charset=utf-8",
+       ".json": "application/json",
        ".mjs":  "text/javascript; charset=utf-8",
        ".pdf":  "application/pdf",
        ".png":  "image/png",