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How to use the loadSync function from protobufjs

Find comprehensive JavaScript protobufjs.loadSync code examples handpicked from public code repositorys.

The protobufjs.loadSync function loads a protocol buffer definition synchronously from a file or an object.

server.js

-2

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+ 3 other calls in file

tempo_traces.js

GitHub: metrico/qryn

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   - Optimize for performance and reduce/remove POC debug layers

*/


const protoBuff = require('protobufjs')
const TraceDataType = protoBuff.loadSync(__dirname + '/../opentelemetry/proto/trace/v1/trace.proto')
  .lookupType('opentelemetry.proto.trace.v1.TracesData')
const { stringify } = require('logfmt')
const { flatOTLPAttrs, OTLPgetServiceNames } = require('../utils')
const { asyncLogError } = require('../../common')

543

+ 13 other calls in file

How does protobufjs.loadSync work?

protobufjs.loadSync is a synchronous method provided by the protobufjs library that loads protobuf definition files from disk and parses them to create a root Namespace object that can be used to construct messages and serialize them to binary or JSON format. The method takes a filename or an array of filenames as input and returns the root Namespace object.

parsers.js

GitHub: metrico/qryn

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  snappy = require('snappyjs')
} catch (e) {}
const stream = require('stream')
const protobufjs = require('protobufjs')
const path = require('path')
const WriteRequest = protobufjs.loadSync(path.join(__dirname, 'lib', 'prompb.proto')).lookupType('WriteRequest')
const PushRequest = protobufjs.loadSync(path.join(__dirname, 'lib', 'loki.proto')).lookupType('PushRequest')
const OTLPTraceData = protobufjs.loadSync(path.join(__dirname, 'lib', 'otlp.proto')).lookupType('TracesData')
const { parse: queryParser } = require('fast-querystring')

543

+ 26 other calls in file

protostream_spec.js

GitHub: infinispan/js-client

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    expect(psType).toBe(1000043);
});

it("Encodes a Protostream message", function () {
    root = protobuf.parse(myMsg).root;
    protobuf.loadSync(path.join(__dirname + '/../lib/protostream/message-wrapping.proto'), root);
    // Obtain message types
    var AwesomeMessage = root.lookupType(".awesomepackage.AwesomeMessage");
    var WrappedMessage = root.lookupType(".org.infinispan.protostream.WrappedMessage");
    // Build input message

+ 4 other calls in file

Ai Example

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const protobuf = require("protobufjs");

// Load the .proto file synchronously
const root = protobuf.loadSync("path/to/your/protobuf/file.proto");

// Get the message type
const MessageType = root.lookupType("your.package.MessageType");

// Create a new message instance
const message = MessageType.create({
  field1: "value1",
  field2: 42,
  // ...
});

// Encode the message to a buffer
const buffer = MessageType.encode(message).finish();

// Decode a buffer back to a message
const decodedMessage = MessageType.decode(buffer);

This example loads a .proto file synchronously using the loadSync function, gets a message type from the loaded protobuf object, creates a new message instance, encodes it to a buffer, and then decodes a buffer back to a message.

pbjs-grpc-server.js

GitHub: dashnowords/imfe

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+ 3 other calls in file

protobufs.js

GitHub: throneless-tech/libsignal-service-javascript

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const ByteBuffer = require('bytebuffer');
const protobufjs = require('protobufjs');
const path = require('path');
const helpers = require('./helpers.js');

const protobuf = protobufjs.loadSync([
  path.join(__dirname, '..', 'protos', 'SubProtocol.proto'),
  path.join(__dirname, '..', 'protos', 'DeviceMessages.proto'),
  path.join(__dirname, '..', 'protos', 'SignalService.proto'),
  path.join(__dirname, '..', 'protos', 'Stickers.proto'),

protobufs.js

GitHub: ForstaLabs/librelay-node

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    'DeviceMessages.proto'
];
const protodir = __dirname + '/../protos/';

for (const f of proto_files) {
    const p = protobuf.loadSync(protodir + f).lookup('relay');
    for (const message in p.nested) {
        exports[message] = p.lookup(message);
    }
}

build-protos

GitHub: victorouse/proto-faker

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const path = require('path');
const pbjs = require('protobufjs');

const parse = pathToProto => {
  try {
    const proto = pbjs.loadSync(pathToProto);
    return proto.toJSON().nested;
  } catch (error) {
    console.error(`Cannot parse: ${pathToProto}`);
    console.error(error);

+ 3 other calls in file

strings.js

GitHub: LiskHQ/lisk-sdk

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 */

const protobuf = require('protobufjs');

const prepareProtobuffersStrings = () =>
        protobuf.loadSync('./generators/lisk_codec/proto_files/strings.proto');

const { String } = prepareProtobuffersStrings();

const schema = {

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protocol.js

GitHub: alanshaw/ipfs-elastic-provider-bitswap-peer

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const { CID } = require('multiformats/cid')
const { loadSync } = require('protobufjs')
const { join } = require('path')

const definitions = loadSync(join(__dirname, '../bitswap.proto'))
const RawWantlist = definitions.lookupType('Message.Wantlist')
const RawWantType = definitions.lookupEnum('Message.WantType')
const RawEntry = definitions.lookupType('Message.Entry')
const RawBlock = definitions.lookupType('Message.Block')

+ 3 other calls in file

client.js

GitHub: doganyazar/pundunjs

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const debug = require('debug')('client')
const Transport = require('./transport.js')

const protobuf = require('protobufjs')
const path = require('path')
const root = protobuf.loadSync(path.join(__dirname, '../doc/apollo.proto'))

function type(typeName) {
  return root.lookup(typeName)
}

node_helper.js

GitHub: CptMeetKat/MMM-NextTrains

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console.log("Starting node helper: " + this.name);
this.apikey = this.getApiKey();

//Protobuffer setup for realtime updates
let root = protobuf.loadSync(this.protoFilePath);
this.GTFSRealTimeMessage = root.lookupType("transit_realtime.FeedMessage");

this.checkForGTFSUpdates();
this.checkForRealTimeUpdates();

+ 13 other calls in file

server.js

GitHub: assadjaved/Protobufs-iOS-Nodejs-POC

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const fs = require('fs');
const https = require('https');
const WebSocket = require('ws');
const protobuf = require('protobufjs');

const root = protobuf.loadSync('../protos/BookInfo.proto');
const BookInfo = root.lookupType('BookInfo');

const server = https.createServer({
  cert: fs.readFileSync('cert.pem'),

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