builtin: s.trim_prefix/1 -> s.trim_string_left/1, s.trim_suffix/1 -> s.trim_string_right/1

vlib/builtin/js/string.js.v

@@ -309,24 +309,40 @@ pub fn (s string) trim_left(cutset string) string {
 	return s[pos..]
 }
 
-// trim_prefix strips `str` from the start of the string.
-// Example: assert 'WorldHello V'.trim_prefix('World') == 'Hello V'
-pub fn (s string) trim_prefix(str string) string {
+// trim_string_left strips `str` from the start of the string.
+// Example: assert 'WorldHello V'.trim_string_left('World') == 'Hello V'
+pub fn (s string) trim_string_left(str string) string {
 	if s.starts_with(str) {
 		return s[str.len..]
 	}
 	return s.clone()
 }
 
-// trim_suffix strips `str` from the end of the string.
-// Example: assert 'Hello VWorld'.trim_suffix('World') == 'Hello V'
-pub fn (s string) trim_suffix(str string) string {
+// trim_string_right strips `str` from the end of the string.
+// Example: assert 'Hello VWorld'.trim_string_right('World') == 'Hello V'
+pub fn (s string) trim_string_right(str string) string {
 	if s.ends_with(str) {
 		return s[..s.len - str.len]
 	}
 	return s.clone()
 }
 
+// trim_prefix strips `str` from the start of the string.
+// Example: assert 'WorldHello V'.trim_prefix('World') == 'Hello V'
+[deprecated: 'use s.trim_string_left(x) instead']
+[deprecated_after: '2022-01-19']
+pub fn (s string) trim_prefix(str string) string {
+	return s.trim_string_left(str)
+}
+
+// trim_suffix strips `str` from the end of the string.
+// Example: assert 'Hello VWorld'.trim_suffix('World') == 'Hello V'
+[deprecated: 'use s.trim_string_right(x) instead']
+[deprecated_after: '2022-01-19']
+pub fn (s string) trim_suffix(str string) string {
+	return s.trim_string_right(str)
+}
+
 // compare_strings returns `-1` if `a < b`, `1` if `a > b` else `0`.
 pub fn compare_strings(a &string, b &string) int {
 	if a < b {

vlib/builtin/js/string_test.js.v

@@ -677,34 +677,34 @@ fn test_starts_with_capital() {
 	assert ' No'.starts_with_capital() == false
 }
 
-fn test_trim_prefix() {
+fn test_trim_string_left() {
 	s := 'V Programming Language'
-	assert s.trim_prefix('V ') == 'Programming Language'
-	assert s.trim_prefix('V Programming ') == 'Language'
-	assert s.trim_prefix('Language') == s
+	assert s.trim_string_left('V ') == 'Programming Language'
+	assert s.trim_string_left('V Programming ') == 'Language'
+	assert s.trim_string_left('Language') == s
 
 	s2 := 'TestTestTest'
-	assert s2.trim_prefix('Test') == 'TestTest'
-	assert s2.trim_prefix('TestTest') == 'Test'
+	assert s2.trim_string_left('Test') == 'TestTest'
+	assert s2.trim_string_left('TestTest') == 'Test'
 
 	s3 := '123Test123Test'
-	assert s3.trim_prefix('123') == 'Test123Test'
-	assert s3.trim_prefix('123Test') == '123Test'
+	assert s3.trim_string_left('123') == 'Test123Test'
+	assert s3.trim_string_left('123Test') == '123Test'
 }
 
-fn test_trim_suffix() {
+fn test_trim_string_right() {
 	s := 'V Programming Language'
-	assert s.trim_suffix(' Language') == 'V Programming'
-	assert s.trim_suffix(' Programming Language') == 'V'
-	assert s.trim_suffix('V') == s
+	assert s.trim_string_right(' Language') == 'V Programming'
+	assert s.trim_string_right(' Programming Language') == 'V'
+	assert s.trim_string_right('V') == s
 
 	s2 := 'TestTestTest'
-	assert s2.trim_suffix('Test') == 'TestTest'
-	assert s2.trim_suffix('TestTest') == 'Test'
+	assert s2.trim_string_right('Test') == 'TestTest'
+	assert s2.trim_string_right('TestTest') == 'Test'
 
 	s3 := '123Test123Test'
-	assert s3.trim_suffix('123') == s3
-	assert s3.trim_suffix('123Test') == '123Test'
+	assert s3.trim_string_right('123') == s3
+	assert s3.trim_string_right('123Test') == '123Test'
 }
 
 fn test_raw() {