2023-02-15 19:09:38 +00:00

27 lines
587 B
Python

# Copyright 2019-present, GraphQL Foundation
#
# This source code is licensed under the MIT license found in the
# LICENSE file in the root directory of this source tree.
def title(s):
'''Capitalize the first character of s.'''
return s[0].capitalize() + s[1:]
def camel(s):
'''Lowercase the first character of s.'''
return s[0].lower() + s[1:]
def snake(s):
'''Convert from title or camelCase to snake_case.'''
if len(s) < 2:
return s.lower()
out = s[0].lower()
for c in s[1:]:
if c.isupper():
out += '_'
c = c.lower()
out += c
return out