GaoreGo/strcase
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Merge pull request #6 from bestplay/master

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Update snake.go
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iancoleman 2018-05-21 15:01:12 +10:00 committed by GitHub
commit 6b1e2b920d
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2 changed files with 16 additions and 7 deletions
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21
snake.go
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@ -12,14 +12,21 @@ func ToSnake(s string) string {
n := "" n := ""
for i, v := range s { for i, v := range s {
// treat acronyms as words, eg for JSONData -> JSON is a whole word // treat acronyms as words, eg for JSONData -> JSON is a whole word
nextIsCapital := false nextCaseIsChanged := false
if i + 1 < len(s) { if i+1 < len(s) {
w := s[i+1] next := s[i+1]
nextIsCapital = w >= 'A' && w <= 'Z' if (v >= 'A' && v <= 'Z' && next >= 'a' && next <= 'z') || (v >= 'a' && v <= 'z' && next >= 'A' && next <= 'Z') {
nextCaseIsChanged = true
}
} }
if i > 0 && v >= 'A' && v <= 'Z' && n[len(n)-1] != '_' && !nextIsCapital {
// add underscore if next letter is a capital if i > 0 && n[len(n)-1] != '_' && nextCaseIsChanged {
n += "_" + string(v) // add underscore if next letter case type is changed
if v >= 'A' && v <= 'Z' {
n += "_" + string(v)
} else if v >= 'a' && v <= 'z' {
n += string(v) + "_"
}
} else if v == ' ' { } else if v == ' ' {
// replace spaces with underscores // replace spaces with underscores
n += "_" n += "_"

2
snake_test.go
View File

@ -21,6 +21,8 @@ func TestToSnake(t *testing.T) {
[]string{"AnyKind of_string", "any_kind_of_string"}, []string{"AnyKind of_string", "any_kind_of_string"},
[]string{"numbers2and55with000", "numbers_2_and_55_with_000"}, []string{"numbers2and55with000", "numbers_2_and_55_with_000"},
[]string{"JSONData", "json_data"}, []string{"JSONData", "json_data"},
[]string{"userID", "user_id"},
[]string{"AAAbbb", "aa_abbb"},
} }
for _, i := range cases { for _, i := range cases {
in := i[0] in := i[0]