proto3-json-serializer
Version:
Support for proto3 JSON serialiazation/deserialization for protobuf.js
54 lines • 2.1 kB
JavaScript
;
// Copyright 2021 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
Object.defineProperty(exports, "__esModule", { value: true });
exports.googleProtobufDurationToProto3JSON = googleProtobufDurationToProto3JSON;
exports.googleProtobufDurationFromProto3JSON = googleProtobufDurationFromProto3JSON;
function googleProtobufDurationToProto3JSON(obj) {
// seconds is an instance of Long so it won't be undefined
let durationSeconds = obj.seconds.toString();
if (typeof obj.nanos === 'number' && obj.nanos > 0) {
// nanosStr should contain 3, 6, or 9 fractional digits.
const nanosStr = obj.nanos
.toString()
.padStart(9, '0')
.replace(/^((?:\d\d\d)+?)(?:0*)$/, '$1');
durationSeconds += '.' + nanosStr;
}
durationSeconds += 's';
return durationSeconds;
}
function googleProtobufDurationFromProto3JSON(json) {
const match = json.match(/^(\d*)(?:\.(\d*))?s$/);
if (!match) {
throw new Error(`googleProtobufDurationFromProto3JSON: incorrect value ${json} passed as google.protobuf.Duration`);
}
let seconds = 0;
let nanos = 0;
if (typeof match[1] === 'string' && match[1].length > 0) {
seconds = parseInt(match[1]);
}
if (typeof match[2] === 'string' && match[2].length > 0) {
nanos = parseInt(match[2].padEnd(9, '0'));
}
const result = {};
if (seconds !== 0) {
result.seconds = seconds;
}
if (nanos !== 0) {
result.nanos = nanos;
}
return result;
}
//# sourceMappingURL=duration.js.map