1 files changed, 33 insertions, 0 deletions

diff --git a/vendor/github.com/hashicorp/hcl2/hcl/json/didyoumean.go b/vendor/github.com/hashicorp/hcl2/hcl/json/didyoumean.go
new file mode 100644
index 0000000..fbdd8bf
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl2/hcl/json/didyoumean.go
@@ -0,0 +1,33 @@
+package json
+
+import (
+        "github.com/agext/levenshtein"
+)
+
+var keywords = []string{"false", "true", "null"}
+
+// keywordSuggestion tries to find a valid JSON keyword that is close to the
+// given string and returns it if found. If no keyword is close enough, returns
+// the empty string.
+func keywordSuggestion(given string) string {
+        return nameSuggestion(given, keywords)
+}
+
+// nameSuggestion tries to find a name from the given slice of suggested names
+// that is close to the given name and returns it if found. If no suggestion
+// is close enough, returns the empty string.
+//
+// The suggestions are tried in order, so earlier suggestions take precedence
+// if the given string is similar to two or more suggestions.
+//
+// This function is intended to be used with a relatively-small number of
+// suggestions. It's not optimized for hundreds or thousands of them.
+func nameSuggestion(given string, suggestions []string) string {
+        for _, suggestion := range suggestions {
+                dist := levenshtein.Distance(given, suggestion, nil)
+                if dist < 3 { // threshold determined experimentally
+                        return suggestion
+                }
+        }
+        return ""
+}