@protobuf-ts/runtime
Version:
Runtime library for code generated by the protoc plugin "protobuf-ts"
32 lines (31 loc) • 844 B
JavaScript
/**
* Converts snake_case to lowerCamelCase.
*
* Should behave like protoc:
* https://github.com/protocolbuffers/protobuf/blob/e8ae137c96444ea313485ed1118c5e43b2099cf1/src/google/protobuf/compiler/java/java_helpers.cc#L118
*/
export function lowerCamelCase(snakeCase) {
let capNext = false;
const sb = [];
for (let i = 0; i < snakeCase.length; i++) {
let next = snakeCase.charAt(i);
if (next == '_') {
capNext = true;
}
else if (/\d/.test(next)) {
sb.push(next);
capNext = true;
}
else if (capNext) {
sb.push(next.toUpperCase());
capNext = false;
}
else if (i == 0) {
sb.push(next.toLowerCase());
}
else {
sb.push(next);
}
}
return sb.join('');
}