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Handle JSON string when casting to slice #331

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Handle JSON string when casting to slice #331

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d1141c0
Add support for JSON arrays
xlucas Feb 22, 2019
1ee8c8b
Merge pull request #1 from DataDog/xavier.lucas/json-slice
xlucas Mar 1, 2019
397e531
Merge branch 'master' of github.com:spf13/cast
pgimalac Nov 25, 2024
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2 changes: 2 additions & 0 deletions cast_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -719,6 +719,8 @@ func TestToStringSliceE(t *testing.T) {
expect []string
iserr bool
}{
{`["a", "b"]`, []string{"a", "b"}, false},
{"a b", []string{"a", "b"}, false},
{[]int{1, 2}, []string{"1", "2"}, false},
{[]int8{int8(1), int8(2)}, []string{"1", "2"}, false},
{[]int32{int32(1), int32(2)}, []string{"1", "2"}, false},
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3 changes: 3 additions & 0 deletions caste.go
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Expand Up @@ -1309,6 +1309,9 @@ func ToStringSliceE(i interface{}) ([]string, error) {
}
return a, nil
case string:
if err := json.Unmarshal([]byte(v), &a); err == nil {
return a, nil
}
return strings.Fields(v), nil
case []error:
for _, err := range i.([]error) {
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