1 files changed, 0 insertions, 84 deletions
diff --git a/parser/metadecoders/yaml.go b/parser/metadecoders/yaml.go
deleted file mode 100644
index 21b23a9fd..000000000
--- a/parser/metadecoders/yaml.go
+++ /dev/null
@@ -1,84 +0,0 @@
-// Copyright 2018 The Hugo Authors. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-// The metadecoders package contains functions to decode metadata (e.g. page front matter)
-// from different formats: TOML, YAML, JSON.
-package metadecoders
-
-import (
-	"fmt"
-
-	"github.com/spf13/cast"
-	yaml "gopkg.in/yaml.v2"
-)
-
-// HandleYAMLData unmarshals YAML-encoded datum and returns a Go interface
-// representing the encoded data structure.
-func HandleYAMLData(datum []byte) (interface{}, error) {
-	var m interface{}
-	err := yaml.Unmarshal(datum, &m)
-	if err != nil {
-		return nil, err
-	}
-
-	// To support boolean keys, the `yaml` package unmarshals maps to
-	// map[interface{}]interface{}. Here we recurse through the result
-	// and change all maps to map[string]interface{} like we would've
-	// gotten from `json`.
-	if mm, changed := stringifyMapKeys(m); changed {
-		return mm, nil
-	}
-
-	return m, nil
-}
-
-// stringifyMapKeys recurses into in and changes all instances of
-// map[interface{}]interface{} to map[string]interface{}. This is useful to
-// work around the impedence mismatch between JSON and YAML unmarshaling that's
-// described here: https://github.com/go-yaml/yaml/issues/139
-//
-// Inspired by https://github.com/stripe/stripe-mock, MIT licensed
-func stringifyMapKeys(in interface{}) (interface{}, bool) {
-	switch in := in.(type) {
-	case []interface{}:
-		for i, v := range in {
-			if vv, replaced := stringifyMapKeys(v); replaced {
-				in[i] = vv
-			}
-		}
-	case map[interface{}]interface{}:
-		res := make(map[string]interface{})
-		var (
-			ok  bool
-			err error
-		)
-		for k, v := range in {
-			var ks string
-
-			if ks, ok = k.(string); !ok {
-				ks, err = cast.ToStringE(k)
-				if err != nil {
-					ks = fmt.Sprintf("%v", k)
-				}
-			}
-			if vv, replaced := stringifyMapKeys(v); replaced {
-				res[ks] = vv
-			} else {
-				res[ks] = v
-			}
-		}
-		return res, true
-	}
-
-	return nil, false
-}