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Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
1. Definitions.
"License" shall mean the terms and conditions for use, reproduction,
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# gRPC Protobuf Loader
A utility package for loading `.proto` files for use with gRPC, using the latest Protobuf.js package.
Please refer to [protobuf.js' documentation](https://github.com/dcodeIO/protobuf.js/blob/master/README.md)
to understands its features and limitations.
## Installation
```sh
npm install @grpc/proto-loader
```
## Usage
```js
const protoLoader = require('@grpc/proto-loader');
const grpcLibrary = require('grpc');
// OR
const grpcLibrary = require('@grpc/grpc-js');
protoLoader.load(protoFileName, options).then(packageDefinition => {
const packageObject = grpcLibrary.loadPackageDefinition(packageDefinition);
});
// OR
const packageDefinition = protoLoader.loadSync(protoFileName, options);
const packageObject = grpcLibrary.loadPackageDefinition(packageDefinition);
```
The options parameter is an object that can have the following optional properties:
| Field name | Valid values | Description
|------------|--------------|------------
| `keepCase` | `true` or `false` | Preserve field names. The default is to change them to camel case.
| `longs` | `String` or `Number` | The type to use to represent `long` values. Defaults to a `Long` object type.
| `enums` | `String` | The type to use to represent `enum` values. Defaults to the numeric value.
| `bytes` | `Array` or `String` | The type to use to represent `bytes` values. Defaults to `Buffer`.
| `defaults` | `true` or `false` | Set default values on output objects. Defaults to `false`.
| `arrays` | `true` or `false` | Set empty arrays for missing array values even if `defaults` is `false` Defaults to `false`.
| `objects` | `true` or `false` | Set empty objects for missing object values even if `defaults` is `false` Defaults to `false`.
| `oneofs` | `true` or `false` | Set virtual oneof properties to the present field's name. Defaults to `false`.
| `json` | `true` or `false` | Represent `Infinity` and `NaN` as strings in `float` fields, and automatically decode `google.protobuf.Any` values. Defaults to `false`
| `includeDirs` | An array of strings | A list of search paths for imported `.proto` files.
The following options object closely approximates the existing behavior of `grpc.load`:
```js
const options = {
keepCase: true,
longs: String,
enums: String,
defaults: true,
oneofs: true
}
```
## Generating TypeScript types
The `proto-loader-gen-types` script distributed with this package can be used to generate TypeScript type information for the objects loaded at runtime. More information about how to use it can be found in [the *@grpc/proto-loader TypeScript Type Generator CLI Tool* proposal document](https://github.com/grpc/proposal/blob/master/L70-node-proto-loader-type-generator.md). The arguments mostly match the `load` function's options; the full usage information is as follows:
```console
proto-loader-gen-types.js [options] filenames...
Options:
--help Show help [boolean]
--version Show version number [boolean]
--keepCase Preserve the case of field names
[boolean] [default: false]
--longs The type that should be used to output 64 bit integer
values. Can be String, Number[string] [default: "Long"]
--enums The type that should be used to output enum fields. Can
be String [string] [default: "number"]
--bytes The type that should be used to output bytes fields.
Can be String, Array [string] [default: "Buffer"]
--defaults Output default values for omitted fields
[boolean] [default: false]
--arrays Output default values for omitted repeated fields even
if --defaults is not set [boolean] [default: false]
--objects Output default values for omitted message fields even
if --defaults is not set [boolean] [default: false]
--oneofs Output virtual oneof fields set to the present field's
name [boolean] [default: false]
--json Represent Infinity and NaN as strings in float fields.
Also decode google.protobuf.Any automatically
[boolean] [default: false]
--includeComments Generate doc comments from comments in the original
files [boolean] [default: false]
-I, --includeDirs Directories to search for included files [array]
-O, --outDir Directory in which to output files [string] [required]
--grpcLib The gRPC implementation library that these types will
be used with [string] [required]
```
### Example Usage
Generate the types:
```sh
$(npm bin)/proto-loader-gen-types --longs=String --enums=String --defaults --oneofs --grpcLib=@grpc/grpc-js --outDir=proto/ proto/*.proto
```
Consume the types:
```ts
import * as grpc from '@grpc/grpc-js';
import * as protoLoader from '@grpc/proto-loader';
import { ProtoGrpcType } from './proto/example';
import { ExampleHandlers } from './proto/example_package/Example';
const exampleServer: ExampleHandlers = {
// server handlers implementation...
};
const packageDefinition = protoLoader.loadSync('./proto/example.proto');
const proto = (grpc.loadPackageDefinition(
packageDefinition
) as unknown) as ProtoGrpcType;
const server = new grpc.Server();
server.addService(proto.example_package.Example.service, exampleServer);
```

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#!/usr/bin/env node
"use strict";
/**
* @license
* Copyright 2020 gRPC authors.
*
* 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 });
const fs = require("fs");
const path = require("path");
const Protobuf = require("protobufjs");
const yargs = require("yargs");
const camelCase = require("lodash.camelcase");
const util_1 = require("../src/util");
class TextFormatter {
constructor() {
this.indentText = ' ';
this.indentValue = 0;
this.textParts = [];
}
indent() {
this.indentValue += 1;
}
unindent() {
this.indentValue -= 1;
}
writeLine(line) {
for (let i = 0; i < this.indentValue; i += 1) {
this.textParts.push(this.indentText);
}
this.textParts.push(line);
this.textParts.push('\n');
}
getFullText() {
return this.textParts.join('');
}
}
// GENERATOR UTILITY FUNCTIONS
function compareName(x, y) {
if (x.name < y.name) {
return -1;
}
else if (x.name > y.name) {
return 1;
}
else {
return 0;
}
}
function isNamespaceBase(obj) {
return Array.isArray(obj.nestedArray);
}
function stripLeadingPeriod(name) {
return name.startsWith('.') ? name.substring(1) : name;
}
function getImportPath(to) {
/* If the thing we are importing is defined in a message, it is generated in
* the same file as that message. */
if (to.parent instanceof Protobuf.Type) {
return getImportPath(to.parent);
}
return stripLeadingPeriod(to.fullName).replace(/\./g, '/');
}
function getPath(to) {
return stripLeadingPeriod(to.fullName).replace(/\./g, '/') + '.ts';
}
function getPathToRoot(from) {
const depth = stripLeadingPeriod(from.fullName).split('.').length - 1;
if (depth === 0) {
return './';
}
let path = '';
for (let i = 0; i < depth; i++) {
path += '../';
}
return path;
}
function getRelativeImportPath(from, to) {
return getPathToRoot(from) + getImportPath(to);
}
function getTypeInterfaceName(type) {
return type.fullName.replace(/\./g, '_');
}
function getImportLine(dependency, from) {
const filePath = from === undefined ? './' + getImportPath(dependency) : getRelativeImportPath(from, dependency);
const typeInterfaceName = getTypeInterfaceName(dependency);
let importedTypes;
/* If the dependency is defined within a message, it will be generated in that
* message's file and exported using its typeInterfaceName. */
if (dependency.parent instanceof Protobuf.Type) {
if (dependency instanceof Protobuf.Type) {
importedTypes = `${typeInterfaceName}, ${typeInterfaceName}__Output`;
}
else if (dependency instanceof Protobuf.Enum) {
importedTypes = `${typeInterfaceName}`;
}
else if (dependency instanceof Protobuf.Service) {
importedTypes = `${typeInterfaceName}Client, ${typeInterfaceName}Definition`;
}
else {
throw new Error('Invalid object passed to getImportLine');
}
}
else {
if (dependency instanceof Protobuf.Type) {
importedTypes = `${dependency.name} as ${typeInterfaceName}, ${dependency.name}__Output as ${typeInterfaceName}__Output`;
}
else if (dependency instanceof Protobuf.Enum) {
importedTypes = `${dependency.name} as ${typeInterfaceName}`;
}
else if (dependency instanceof Protobuf.Service) {
importedTypes = `${dependency.name}Client as ${typeInterfaceName}Client, ${dependency.name}Definition as ${typeInterfaceName}Definition`;
}
else {
throw new Error('Invalid object passed to getImportLine');
}
}
return `import type { ${importedTypes} } from '${filePath}';`;
}
function getChildMessagesAndEnums(namespace) {
const messageList = [];
for (const nested of namespace.nestedArray) {
if (nested instanceof Protobuf.Type || nested instanceof Protobuf.Enum) {
messageList.push(nested);
}
if (isNamespaceBase(nested)) {
messageList.push(...getChildMessagesAndEnums(nested));
}
}
return messageList;
}
function formatComment(formatter, comment) {
if (!comment) {
return;
}
formatter.writeLine('/**');
for (const line of comment.split('\n')) {
formatter.writeLine(` * ${line.replace(/\*\//g, '* /')}`);
}
formatter.writeLine(' */');
}
// GENERATOR FUNCTIONS
function getTypeNamePermissive(fieldType, resolvedType, repeated, map) {
switch (fieldType) {
case 'double':
case 'float':
return 'number | string';
case 'int32':
case 'uint32':
case 'sint32':
case 'fixed32':
case 'sfixed32':
return 'number';
case 'int64':
case 'uint64':
case 'sint64':
case 'fixed64':
case 'sfixed64':
return 'number | string | Long';
case 'bool':
return 'boolean';
case 'string':
return 'string';
case 'bytes':
return 'Buffer | Uint8Array | string';
default:
if (resolvedType === null) {
throw new Error('Found field with no usable type');
}
const typeInterfaceName = getTypeInterfaceName(resolvedType);
if (resolvedType instanceof Protobuf.Type) {
if (repeated || map) {
return typeInterfaceName;
}
else {
return `${typeInterfaceName} | null`;
}
}
else {
return `${typeInterfaceName} | keyof typeof ${typeInterfaceName}`;
}
}
}
function getFieldTypePermissive(field) {
const valueType = getTypeNamePermissive(field.type, field.resolvedType, field.repeated, field.map);
if (field instanceof Protobuf.MapField) {
const keyType = field.keyType === 'string' ? 'string' : 'number';
return `{[key: ${keyType}]: ${valueType}}`;
}
else {
return valueType;
}
}
function generatePermissiveMessageInterface(formatter, messageType, options, nameOverride) {
if (options.includeComments) {
formatComment(formatter, messageType.comment);
}
if (messageType.fullName === '.google.protobuf.Any') {
/* This describes the behavior of the Protobuf.js Any wrapper fromObject
* replacement function */
formatter.writeLine('export type Any = AnyExtension | {');
formatter.writeLine(' type_url: string;');
formatter.writeLine(' value: Buffer | Uint8Array | string;');
formatter.writeLine('}');
return;
}
formatter.writeLine(`export interface ${nameOverride !== null && nameOverride !== void 0 ? nameOverride : messageType.name} {`);
formatter.indent();
for (const field of messageType.fieldsArray) {
const repeatedString = field.repeated ? '[]' : '';
const type = getFieldTypePermissive(field);
if (options.includeComments) {
formatComment(formatter, field.comment);
}
formatter.writeLine(`'${field.name}'?: (${type})${repeatedString};`);
}
for (const oneof of messageType.oneofsArray) {
const typeString = oneof.fieldsArray.map(field => `"${field.name}"`).join('|');
if (options.includeComments) {
formatComment(formatter, oneof.comment);
}
formatter.writeLine(`'${oneof.name}'?: ${typeString};`);
}
formatter.unindent();
formatter.writeLine('}');
}
function getTypeNameRestricted(fieldType, resolvedType, repeated, map, options) {
switch (fieldType) {
case 'double':
case 'float':
if (options.json) {
return 'number | string';
}
else {
return 'number';
}
case 'int32':
case 'uint32':
case 'sint32':
case 'fixed32':
case 'sfixed32':
return 'number';
case 'int64':
case 'uint64':
case 'sint64':
case 'fixed64':
case 'sfixed64':
if (options.longs === Number) {
return 'number';
}
else if (options.longs === String) {
return 'string';
}
else {
return 'Long';
}
case 'bool':
return 'boolean';
case 'string':
return 'string';
case 'bytes':
if (options.bytes === Array) {
return 'Uint8Array';
}
else if (options.bytes === String) {
return 'string';
}
else {
return 'Buffer';
}
default:
if (resolvedType === null) {
throw new Error('Found field with no usable type');
}
const typeInterfaceName = getTypeInterfaceName(resolvedType);
if (resolvedType instanceof Protobuf.Type) {
/* null is only used to represent absent message values if the defaults
* option is set, and only for non-repeated, non-map fields. */
if (options.defaults && !repeated && !map) {
return `${typeInterfaceName}__Output | null`;
}
else {
return `${typeInterfaceName}__Output`;
}
}
else {
if (options.enums == String) {
return `keyof typeof ${typeInterfaceName}`;
}
else {
return typeInterfaceName;
}
}
}
}
function getFieldTypeRestricted(field, options) {
const valueType = getTypeNameRestricted(field.type, field.resolvedType, field.repeated, field.map, options);
if (field instanceof Protobuf.MapField) {
const keyType = field.keyType === 'string' ? 'string' : 'number';
return `{[key: ${keyType}]: ${valueType}}`;
}
else {
return valueType;
}
}
function generateRestrictedMessageInterface(formatter, messageType, options, nameOverride) {
var _a, _b, _c;
if (options.includeComments) {
formatComment(formatter, messageType.comment);
}
if (messageType.fullName === '.google.protobuf.Any' && options.json) {
/* This describes the behavior of the Protobuf.js Any wrapper toObject
* replacement function */
let optionalString = options.defaults ? '' : '?';
formatter.writeLine('export type Any__Output = AnyExtension | {');
formatter.writeLine(` type_url${optionalString}: string;`);
formatter.writeLine(` value${optionalString}: ${getTypeNameRestricted('bytes', null, false, false, options)};`);
formatter.writeLine('}');
return;
}
formatter.writeLine(`export interface ${nameOverride !== null && nameOverride !== void 0 ? nameOverride : messageType.name}__Output {`);
formatter.indent();
for (const field of messageType.fieldsArray) {
let fieldGuaranteed;
if (field.partOf) {
// The field is not guaranteed populated if it is part of a oneof
fieldGuaranteed = false;
}
else if (field.repeated) {
fieldGuaranteed = (_a = (options.defaults || options.arrays)) !== null && _a !== void 0 ? _a : false;
}
else if (field.map) {
fieldGuaranteed = (_b = (options.defaults || options.objects)) !== null && _b !== void 0 ? _b : false;
}
else {
fieldGuaranteed = (_c = options.defaults) !== null && _c !== void 0 ? _c : false;
}
const optionalString = fieldGuaranteed ? '' : '?';
const repeatedString = field.repeated ? '[]' : '';
const type = getFieldTypeRestricted(field, options);
if (options.includeComments) {
formatComment(formatter, field.comment);
}
formatter.writeLine(`'${field.name}'${optionalString}: (${type})${repeatedString};`);
}
if (options.oneofs) {
for (const oneof of messageType.oneofsArray) {
const typeString = oneof.fieldsArray.map(field => `"${field.name}"`).join('|');
if (options.includeComments) {
formatComment(formatter, oneof.comment);
}
formatter.writeLine(`'${oneof.name}': ${typeString};`);
}
}
formatter.unindent();
formatter.writeLine('}');
}
function generateMessageInterfaces(formatter, messageType, options) {
var _a, _b;
let usesLong = false;
let seenDeps = new Set();
const childTypes = getChildMessagesAndEnums(messageType);
formatter.writeLine(`// Original file: ${(_b = ((_a = messageType.filename) !== null && _a !== void 0 ? _a : 'null')) === null || _b === void 0 ? void 0 : _b.replace(/\\/g, '/')}`);
formatter.writeLine('');
messageType.fieldsArray.sort((fieldA, fieldB) => fieldA.id - fieldB.id);
for (const field of messageType.fieldsArray) {
if (field.resolvedType && childTypes.indexOf(field.resolvedType) < 0) {
const dependency = field.resolvedType;
if (seenDeps.has(dependency.fullName)) {
continue;
}
seenDeps.add(dependency.fullName);
formatter.writeLine(getImportLine(dependency, messageType));
}
if (field.type.indexOf('64') >= 0) {
usesLong = true;
}
}
for (const childType of childTypes) {
if (childType instanceof Protobuf.Type) {
for (const field of childType.fieldsArray) {
if (field.resolvedType && childTypes.indexOf(field.resolvedType) < 0) {
const dependency = field.resolvedType;
if (seenDeps.has(dependency.fullName)) {
continue;
}
seenDeps.add(dependency.fullName);
formatter.writeLine(getImportLine(dependency, messageType));
}
if (field.type.indexOf('64') >= 0) {
usesLong = true;
}
}
}
}
if (usesLong) {
formatter.writeLine("import type { Long } from '@grpc/proto-loader';");
}
if (messageType.fullName === '.google.protobuf.Any') {
formatter.writeLine("import type { AnyExtension } from '@grpc/proto-loader';");
}
formatter.writeLine('');
for (const childType of childTypes.sort(compareName)) {
const nameOverride = getTypeInterfaceName(childType);
if (childType instanceof Protobuf.Type) {
generatePermissiveMessageInterface(formatter, childType, options, nameOverride);
formatter.writeLine('');
generateRestrictedMessageInterface(formatter, childType, options, nameOverride);
}
else {
generateEnumInterface(formatter, childType, options, nameOverride);
}
formatter.writeLine('');
}
generatePermissiveMessageInterface(formatter, messageType, options);
formatter.writeLine('');
generateRestrictedMessageInterface(formatter, messageType, options);
}
function generateEnumInterface(formatter, enumType, options, nameOverride) {
var _a, _b;
formatter.writeLine(`// Original file: ${(_b = ((_a = enumType.filename) !== null && _a !== void 0 ? _a : 'null')) === null || _b === void 0 ? void 0 : _b.replace(/\\/g, '/')}`);
formatter.writeLine('');
if (options.includeComments) {
formatComment(formatter, enumType.comment);
}
formatter.writeLine(`export enum ${nameOverride !== null && nameOverride !== void 0 ? nameOverride : enumType.name} {`);
formatter.indent();
for (const key of Object.keys(enumType.values)) {
if (options.includeComments) {
formatComment(formatter, enumType.comments[key]);
}
formatter.writeLine(`${key} = ${enumType.values[key]},`);
}
formatter.unindent();
formatter.writeLine('}');
}
/**
* This is a list of methods that are exist in the generic Client class in the
* gRPC libraries. TypeScript has a problem with methods in subclasses with the
* same names as methods in the superclass, but with mismatched APIs. So, we
* avoid generating methods with these names in the service client interfaces.
* We always generate two service client methods per service method: one camel
* cased, and one with the original casing. So we will still generate one
* service client method for any conflicting name.
*
* Technically, at runtime conflicting name in the service client method
* actually shadows the original method, but TypeScript does not have a good
* way to represent that. So this change is not 100% accurate, but it gets the
* generated code to compile.
*
* This is just a list of the methods in the Client class definitions in
* grpc@1.24.11 and @grpc/grpc-js@1.4.0.
*/
const CLIENT_RESERVED_METHOD_NAMES = new Set([
'close',
'getChannel',
'waitForReady',
'makeUnaryRequest',
'makeClientStreamRequest',
'makeServerStreamRequest',
'makeBidiStreamRequest',
'resolveCallInterceptors',
/* These methods are private, but TypeScript is not happy with overriding even
* private methods with mismatched APIs. */
'checkOptionalUnaryResponseArguments',
'checkMetadataAndOptions'
]);
function generateServiceClientInterface(formatter, serviceType, options) {
if (options.includeComments) {
formatComment(formatter, serviceType.comment);
}
formatter.writeLine(`export interface ${serviceType.name}Client extends grpc.Client {`);
formatter.indent();
for (const methodName of Object.keys(serviceType.methods).sort()) {
const method = serviceType.methods[methodName];
for (const name of [methodName, camelCase(methodName)]) {
if (CLIENT_RESERVED_METHOD_NAMES.has(name)) {
continue;
}
if (options.includeComments) {
formatComment(formatter, method.comment);
}
const requestType = getTypeInterfaceName(method.resolvedRequestType);
const responseType = getTypeInterfaceName(method.resolvedResponseType) + '__Output';
const callbackType = `grpc.requestCallback<${responseType}>`;
if (method.requestStream) {
if (method.responseStream) {
// Bidi streaming
const callType = `grpc.ClientDuplexStream<${requestType}, ${responseType}>`;
formatter.writeLine(`${name}(metadata: grpc.Metadata, options?: grpc.CallOptions): ${callType};`);
formatter.writeLine(`${name}(options?: grpc.CallOptions): ${callType};`);
}
else {
// Client streaming
const callType = `grpc.ClientWritableStream<${requestType}>`;
formatter.writeLine(`${name}(metadata: grpc.Metadata, options: grpc.CallOptions, callback: ${callbackType}): ${callType};`);
formatter.writeLine(`${name}(metadata: grpc.Metadata, callback: ${callbackType}): ${callType};`);
formatter.writeLine(`${name}(options: grpc.CallOptions, callback: ${callbackType}): ${callType};`);
formatter.writeLine(`${name}(callback: ${callbackType}): ${callType};`);
}
}
else {
if (method.responseStream) {
// Server streaming
const callType = `grpc.ClientReadableStream<${responseType}>`;
formatter.writeLine(`${name}(argument: ${requestType}, metadata: grpc.Metadata, options?: grpc.CallOptions): ${callType};`);
formatter.writeLine(`${name}(argument: ${requestType}, options?: grpc.CallOptions): ${callType};`);
}
else {
// Unary
const callType = 'grpc.ClientUnaryCall';
formatter.writeLine(`${name}(argument: ${requestType}, metadata: grpc.Metadata, options: grpc.CallOptions, callback: ${callbackType}): ${callType};`);
formatter.writeLine(`${name}(argument: ${requestType}, metadata: grpc.Metadata, callback: ${callbackType}): ${callType};`);
formatter.writeLine(`${name}(argument: ${requestType}, options: grpc.CallOptions, callback: ${callbackType}): ${callType};`);
formatter.writeLine(`${name}(argument: ${requestType}, callback: ${callbackType}): ${callType};`);
}
}
}
formatter.writeLine('');
}
formatter.unindent();
formatter.writeLine('}');
}
function generateServiceHandlerInterface(formatter, serviceType, options) {
if (options.includeComments) {
formatComment(formatter, serviceType.comment);
}
formatter.writeLine(`export interface ${serviceType.name}Handlers extends grpc.UntypedServiceImplementation {`);
formatter.indent();
for (const methodName of Object.keys(serviceType.methods).sort()) {
const method = serviceType.methods[methodName];
if (options.includeComments) {
formatComment(formatter, method.comment);
}
const requestType = getTypeInterfaceName(method.resolvedRequestType) + '__Output';
const responseType = getTypeInterfaceName(method.resolvedResponseType);
if (method.requestStream) {
if (method.responseStream) {
// Bidi streaming
formatter.writeLine(`${methodName}: grpc.handleBidiStreamingCall<${requestType}, ${responseType}>;`);
}
else {
// Client streaming
formatter.writeLine(`${methodName}: grpc.handleClientStreamingCall<${requestType}, ${responseType}>;`);
}
}
else {
if (method.responseStream) {
// Server streaming
formatter.writeLine(`${methodName}: grpc.handleServerStreamingCall<${requestType}, ${responseType}>;`);
}
else {
// Unary
formatter.writeLine(`${methodName}: grpc.handleUnaryCall<${requestType}, ${responseType}>;`);
}
}
formatter.writeLine('');
}
formatter.unindent();
formatter.writeLine('}');
}
function generateServiceDefinitionInterface(formatter, serviceType) {
formatter.writeLine(`export interface ${serviceType.name}Definition extends grpc.ServiceDefinition {`);
formatter.indent();
for (const methodName of Object.keys(serviceType.methods).sort()) {
const method = serviceType.methods[methodName];
const requestType = getTypeInterfaceName(method.resolvedRequestType);
const responseType = getTypeInterfaceName(method.resolvedResponseType);
formatter.writeLine(`${methodName}: MethodDefinition<${requestType}, ${responseType}, ${requestType}__Output, ${responseType}__Output>`);
}
formatter.unindent();
formatter.writeLine('}');
}
function generateServiceInterfaces(formatter, serviceType, options) {
var _a, _b;
formatter.writeLine(`// Original file: ${(_b = ((_a = serviceType.filename) !== null && _a !== void 0 ? _a : 'null')) === null || _b === void 0 ? void 0 : _b.replace(/\\/g, '/')}`);
formatter.writeLine('');
const grpcImportPath = options.grpcLib.startsWith('.') ? getPathToRoot(serviceType) + options.grpcLib : options.grpcLib;
formatter.writeLine(`import type * as grpc from '${grpcImportPath}'`);
formatter.writeLine(`import type { MethodDefinition } from '@grpc/proto-loader'`);
const dependencies = new Set();
for (const method of serviceType.methodsArray) {
dependencies.add(method.resolvedRequestType);
dependencies.add(method.resolvedResponseType);
}
for (const dep of Array.from(dependencies.values()).sort(compareName)) {
formatter.writeLine(getImportLine(dep, serviceType));
}
formatter.writeLine('');
generateServiceClientInterface(formatter, serviceType, options);
formatter.writeLine('');
generateServiceHandlerInterface(formatter, serviceType, options);
formatter.writeLine('');
generateServiceDefinitionInterface(formatter, serviceType);
}
function containsDefinition(definitionType, namespace) {
for (const nested of namespace.nestedArray.sort(compareName)) {
if (nested instanceof definitionType) {
return true;
}
else if (isNamespaceBase(nested) && !(nested instanceof Protobuf.Type) && !(nested instanceof Protobuf.Enum) && containsDefinition(definitionType, nested)) {
return true;
}
}
return false;
}
function generateDefinitionImports(formatter, namespace, options) {
const imports = [];
if (containsDefinition(Protobuf.Enum, namespace)) {
imports.push('EnumTypeDefinition');
}
if (containsDefinition(Protobuf.Type, namespace)) {
imports.push('MessageTypeDefinition');
}
if (imports.length) {
formatter.writeLine(`import type { ${imports.join(', ')} } from '@grpc/proto-loader';`);
}
}
function generateServiceImports(formatter, namespace, options) {
for (const nested of namespace.nestedArray.sort(compareName)) {
if (nested instanceof Protobuf.Service) {
formatter.writeLine(getImportLine(nested));
}
else if (isNamespaceBase(nested) && !(nested instanceof Protobuf.Type) && !(nested instanceof Protobuf.Enum)) {
generateServiceImports(formatter, nested, options);
}
}
}
function generateSingleLoadedDefinitionType(formatter, nested, options) {
if (nested instanceof Protobuf.Service) {
if (options.includeComments) {
formatComment(formatter, nested.comment);
}
const typeInterfaceName = getTypeInterfaceName(nested);
formatter.writeLine(`${nested.name}: SubtypeConstructor<typeof grpc.Client, ${typeInterfaceName}Client> & { service: ${typeInterfaceName}Definition }`);
}
else if (nested instanceof Protobuf.Enum) {
formatter.writeLine(`${nested.name}: EnumTypeDefinition`);
}
else if (nested instanceof Protobuf.Type) {
formatter.writeLine(`${nested.name}: MessageTypeDefinition`);
}
else if (isNamespaceBase(nested)) {
generateLoadedDefinitionTypes(formatter, nested, options);
}
}
function generateLoadedDefinitionTypes(formatter, namespace, options) {
formatter.writeLine(`${namespace.name}: {`);
formatter.indent();
for (const nested of namespace.nestedArray.sort(compareName)) {
generateSingleLoadedDefinitionType(formatter, nested, options);
}
formatter.unindent();
formatter.writeLine('}');
}
function generateRootFile(formatter, root, options) {
formatter.writeLine(`import type * as grpc from '${options.grpcLib}';`);
generateDefinitionImports(formatter, root, options);
formatter.writeLine('');
generateServiceImports(formatter, root, options);
formatter.writeLine('');
formatter.writeLine('type SubtypeConstructor<Constructor extends new (...args: any) => any, Subtype> = {');
formatter.writeLine(' new(...args: ConstructorParameters<Constructor>): Subtype;');
formatter.writeLine('};');
formatter.writeLine('');
formatter.writeLine('export interface ProtoGrpcType {');
formatter.indent();
for (const nested of root.nestedArray) {
generateSingleLoadedDefinitionType(formatter, nested, options);
}
formatter.unindent();
formatter.writeLine('}');
formatter.writeLine('');
}
async function writeFile(filename, contents) {
await fs.promises.mkdir(path.dirname(filename), { recursive: true });
return fs.promises.writeFile(filename, contents);
}
function generateFilesForNamespace(namespace, options) {
const filePromises = [];
for (const nested of namespace.nestedArray) {
const fileFormatter = new TextFormatter();
if (nested instanceof Protobuf.Type) {
generateMessageInterfaces(fileFormatter, nested, options);
if (options.verbose) {
console.log(`Writing ${options.outDir}/${getPath(nested)} from file ${nested.filename}`);
}
filePromises.push(writeFile(`${options.outDir}/${getPath(nested)}`, fileFormatter.getFullText()));
}
else if (nested instanceof Protobuf.Enum) {
generateEnumInterface(fileFormatter, nested, options);
if (options.verbose) {
console.log(`Writing ${options.outDir}/${getPath(nested)} from file ${nested.filename}`);
}
filePromises.push(writeFile(`${options.outDir}/${getPath(nested)}`, fileFormatter.getFullText()));
}
else if (nested instanceof Protobuf.Service) {
generateServiceInterfaces(fileFormatter, nested, options);
if (options.verbose) {
console.log(`Writing ${options.outDir}/${getPath(nested)} from file ${nested.filename}`);
}
filePromises.push(writeFile(`${options.outDir}/${getPath(nested)}`, fileFormatter.getFullText()));
}
else if (isNamespaceBase(nested)) {
filePromises.push(...generateFilesForNamespace(nested, options));
}
}
return filePromises;
}
function writeFilesForRoot(root, masterFileName, options) {
const filePromises = [];
const masterFileFormatter = new TextFormatter();
generateRootFile(masterFileFormatter, root, options);
if (options.verbose) {
console.log(`Writing ${options.outDir}/${masterFileName}`);
}
filePromises.push(writeFile(`${options.outDir}/${masterFileName}`, masterFileFormatter.getFullText()));
filePromises.push(...generateFilesForNamespace(root, options));
return filePromises;
}
async function writeAllFiles(protoFiles, options) {
await fs.promises.mkdir(options.outDir, { recursive: true });
const basenameMap = new Map();
for (const filename of protoFiles) {
const basename = path.basename(filename).replace(/\.proto$/, '.ts');
if (basenameMap.has(basename)) {
basenameMap.get(basename).push(filename);
}
else {
basenameMap.set(basename, [filename]);
}
}
for (const [basename, filenames] of basenameMap.entries()) {
const loadedRoot = await util_1.loadProtosWithOptions(filenames, options);
writeFilesForRoot(loadedRoot, basename, options);
}
}
async function runScript() {
const argv = yargs
.parserConfiguration({
'parse-positional-numbers': false
})
.string(['includeDirs', 'grpcLib'])
.normalize(['includeDirs', 'outDir'])
.array('includeDirs')
.boolean(['keepCase', 'defaults', 'arrays', 'objects', 'oneofs', 'json', 'verbose', 'includeComments'])
.string(['longs', 'enums', 'bytes'])
.default('keepCase', false)
.default('defaults', false)
.default('arrays', false)
.default('objects', false)
.default('oneofs', false)
.default('json', false)
.default('includeComments', false)
.default('longs', 'Long')
.default('enums', 'number')
.default('bytes', 'Buffer')
.coerce('longs', value => {
switch (value) {
case 'String': return String;
case 'Number': return Number;
default: return undefined;
}
}).coerce('enums', value => {
if (value === 'String') {
return String;
}
else {
return undefined;
}
}).coerce('bytes', value => {
switch (value) {
case 'Array': return Array;
case 'String': return String;
default: return undefined;
}
}).alias({
includeDirs: 'I',
outDir: 'O',
verbose: 'v'
}).describe({
keepCase: 'Preserve the case of field names',
longs: 'The type that should be used to output 64 bit integer values. Can be String, Number',
enums: 'The type that should be used to output enum fields. Can be String',
bytes: 'The type that should be used to output bytes fields. Can be String, Array',
defaults: 'Output default values for omitted fields',
arrays: 'Output default values for omitted repeated fields even if --defaults is not set',
objects: 'Output default values for omitted message fields even if --defaults is not set',
oneofs: 'Output virtual oneof fields set to the present field\'s name',
json: 'Represent Infinity and NaN as strings in float fields. Also decode google.protobuf.Any automatically',
includeComments: 'Generate doc comments from comments in the original files',
includeDirs: 'Directories to search for included files',
outDir: 'Directory in which to output files',
grpcLib: 'The gRPC implementation library that these types will be used with'
}).demandOption(['outDir', 'grpcLib'])
.demand(1)
.usage('$0 [options] filenames...')
.epilogue('WARNING: This tool is in alpha. The CLI and generated code are subject to change')
.argv;
if (argv.verbose) {
console.log('Parsed arguments:', argv);
}
util_1.addCommonProtos();
writeAllFiles(argv._, Object.assign(Object.assign({}, argv), { alternateCommentMode: true })).then(() => {
if (argv.verbose) {
console.log('Success');
}
}, (error) => {
console.error(error);
process.exit(1);
});
}
if (require.main === module) {
runScript();
}
//# sourceMappingURL=proto-loader-gen-types.js.map

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/**
* @license
* Copyright 2018 gRPC authors.
*
* 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.
*
*/
/// <reference types="node" />
import * as Protobuf from 'protobufjs';
import * as descriptor from 'protobufjs/ext/descriptor';
import { Options } from './util';
import Long = require('long');
export { Options, Long };
/**
* This type exists for use with code generated by the proto-loader-gen-types
* tool. This type should be used with another interface, e.g.
* MessageType & AnyExtension for an object that is converted to or from a
* google.protobuf.Any message.
* For example, when processing an Any message:
*
* ```ts
* if (isAnyExtension(message)) {
* switch (message['@type']) {
* case TYPE1_URL:
* handleType1(message as AnyExtension & Type1);
* break;
* case TYPE2_URL:
* handleType2(message as AnyExtension & Type2);
* break;
* // ...
* }
* }
* ```
*/
export interface AnyExtension {
/**
* The fully qualified name of the message type that this object represents,
* possibly including a URL prefix.
*/
'@type': string;
}
export declare function isAnyExtension(obj: object): obj is AnyExtension;
declare module 'protobufjs' {
interface Type {
toDescriptor(protoVersion: string): Protobuf.Message<descriptor.IDescriptorProto> & descriptor.IDescriptorProto;
}
interface RootConstructor {
new (options?: Options): Root;
fromDescriptor(descriptorSet: descriptor.IFileDescriptorSet | Protobuf.Reader | Uint8Array): Root;
fromJSON(json: Protobuf.INamespace, root?: Root): Root;
}
interface Root {
toDescriptor(protoVersion: string): Protobuf.Message<descriptor.IFileDescriptorSet> & descriptor.IFileDescriptorSet;
}
interface Enum {
toDescriptor(protoVersion: string): Protobuf.Message<descriptor.IEnumDescriptorProto> & descriptor.IEnumDescriptorProto;
}
}
export interface Serialize<T> {
(value: T): Buffer;
}
export interface Deserialize<T> {
(bytes: Buffer): T;
}
export interface ProtobufTypeDefinition {
format: string;
type: object;
fileDescriptorProtos: Buffer[];
}
export interface MessageTypeDefinition extends ProtobufTypeDefinition {
format: 'Protocol Buffer 3 DescriptorProto';
}
export interface EnumTypeDefinition extends ProtobufTypeDefinition {
format: 'Protocol Buffer 3 EnumDescriptorProto';
}
export interface MethodDefinition<RequestType, ResponseType, OutputRequestType = RequestType, OutputResponseType = ResponseType> {
path: string;
requestStream: boolean;
responseStream: boolean;
requestSerialize: Serialize<RequestType>;
responseSerialize: Serialize<ResponseType>;
requestDeserialize: Deserialize<OutputRequestType>;
responseDeserialize: Deserialize<OutputResponseType>;
originalName?: string;
requestType: MessageTypeDefinition;
responseType: MessageTypeDefinition;
}
export interface ServiceDefinition {
[index: string]: MethodDefinition<object, object>;
}
export declare type AnyDefinition = ServiceDefinition | MessageTypeDefinition | EnumTypeDefinition;
export interface PackageDefinition {
[index: string]: AnyDefinition;
}
/**
* Load a .proto file with the specified options.
* @param filename One or multiple file paths to load. Can be an absolute path
* or relative to an include path.
* @param options.keepCase Preserve field names. The default is to change them
* to camel case.
* @param options.longs The type that should be used to represent `long` values.
* Valid options are `Number` and `String`. Defaults to a `Long` object type
* from a library.
* @param options.enums The type that should be used to represent `enum` values.
* The only valid option is `String`. Defaults to the numeric value.
* @param options.bytes The type that should be used to represent `bytes`
* values. Valid options are `Array` and `String`. The default is to use
* `Buffer`.
* @param options.defaults Set default values on output objects. Defaults to
* `false`.
* @param options.arrays Set empty arrays for missing array values even if
* `defaults` is `false`. Defaults to `false`.
* @param options.objects Set empty objects for missing object values even if
* `defaults` is `false`. Defaults to `false`.
* @param options.oneofs Set virtual oneof properties to the present field's
* name
* @param options.json Represent Infinity and NaN as strings in float fields,
* and automatically decode google.protobuf.Any values.
* @param options.includeDirs Paths to search for imported `.proto` files.
*/
export declare function load(filename: string | string[], options?: Options): Promise<PackageDefinition>;
export declare function loadSync(filename: string | string[], options?: Options): PackageDefinition;
export declare function fromJSON(json: Protobuf.INamespace, options?: Options): PackageDefinition;
export declare function loadFileDescriptorSetFromBuffer(descriptorSet: Buffer, options?: Options): PackageDefinition;
export declare function loadFileDescriptorSetFromObject(descriptorSet: Parameters<typeof descriptor.FileDescriptorSet.fromObject>[0], options?: Options): PackageDefinition;

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"use strict";
/**
* @license
* Copyright 2018 gRPC authors.
*
* 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 });
const camelCase = require("lodash.camelcase");
const Protobuf = require("protobufjs");
const descriptor = require("protobufjs/ext/descriptor");
const util_1 = require("./util");
const Long = require("long");
exports.Long = Long;
function isAnyExtension(obj) {
return ('@type' in obj) && (typeof obj['@type'] === 'string');
}
exports.isAnyExtension = isAnyExtension;
const descriptorOptions = {
longs: String,
enums: String,
bytes: String,
defaults: true,
oneofs: true,
json: true,
};
function joinName(baseName, name) {
if (baseName === '') {
return name;
}
else {
return baseName + '.' + name;
}
}
function isHandledReflectionObject(obj) {
return (obj instanceof Protobuf.Service ||
obj instanceof Protobuf.Type ||
obj instanceof Protobuf.Enum);
}
function isNamespaceBase(obj) {
return obj instanceof Protobuf.Namespace || obj instanceof Protobuf.Root;
}
function getAllHandledReflectionObjects(obj, parentName) {
const objName = joinName(parentName, obj.name);
if (isHandledReflectionObject(obj)) {
return [[objName, obj]];
}
else {
if (isNamespaceBase(obj) && typeof obj.nested !== 'undefined') {
return Object.keys(obj.nested)
.map(name => {
return getAllHandledReflectionObjects(obj.nested[name], objName);
})
.reduce((accumulator, currentValue) => accumulator.concat(currentValue), []);
}
}
return [];
}
function createDeserializer(cls, options) {
return function deserialize(argBuf) {
return cls.toObject(cls.decode(argBuf), options);
};
}
function createSerializer(cls) {
return function serialize(arg) {
if (Array.isArray(arg)) {
throw new Error(`Failed to serialize message: expected object with ${cls.name} structure, got array instead`);
}
const message = cls.fromObject(arg);
return cls.encode(message).finish();
};
}
function createMethodDefinition(method, serviceName, options, fileDescriptors) {
/* This is only ever called after the corresponding root.resolveAll(), so we
* can assume that the resolved request and response types are non-null */
const requestType = method.resolvedRequestType;
const responseType = method.resolvedResponseType;
return {
path: '/' + serviceName + '/' + method.name,
requestStream: !!method.requestStream,
responseStream: !!method.responseStream,
requestSerialize: createSerializer(requestType),
requestDeserialize: createDeserializer(requestType, options),
responseSerialize: createSerializer(responseType),
responseDeserialize: createDeserializer(responseType, options),
// TODO(murgatroid99): Find a better way to handle this
originalName: camelCase(method.name),
requestType: createMessageDefinition(requestType, fileDescriptors),
responseType: createMessageDefinition(responseType, fileDescriptors),
};
}
function createServiceDefinition(service, name, options, fileDescriptors) {
const def = {};
for (const method of service.methodsArray) {
def[method.name] = createMethodDefinition(method, name, options, fileDescriptors);
}
return def;
}
function createMessageDefinition(message, fileDescriptors) {
const messageDescriptor = message.toDescriptor('proto3');
return {
format: 'Protocol Buffer 3 DescriptorProto',
type: messageDescriptor.$type.toObject(messageDescriptor, descriptorOptions),
fileDescriptorProtos: fileDescriptors,
};
}
function createEnumDefinition(enumType, fileDescriptors) {
const enumDescriptor = enumType.toDescriptor('proto3');
return {
format: 'Protocol Buffer 3 EnumDescriptorProto',
type: enumDescriptor.$type.toObject(enumDescriptor, descriptorOptions),
fileDescriptorProtos: fileDescriptors,
};
}
/**
* function createDefinition(obj: Protobuf.Service, name: string, options:
* Options): ServiceDefinition; function createDefinition(obj: Protobuf.Type,
* name: string, options: Options): MessageTypeDefinition; function
* createDefinition(obj: Protobuf.Enum, name: string, options: Options):
* EnumTypeDefinition;
*/
function createDefinition(obj, name, options, fileDescriptors) {
if (obj instanceof Protobuf.Service) {
return createServiceDefinition(obj, name, options, fileDescriptors);
}
else if (obj instanceof Protobuf.Type) {
return createMessageDefinition(obj, fileDescriptors);
}
else if (obj instanceof Protobuf.Enum) {
return createEnumDefinition(obj, fileDescriptors);
}
else {
throw new Error('Type mismatch in reflection object handling');
}
}
function createPackageDefinition(root, options) {
const def = {};
root.resolveAll();
const descriptorList = root.toDescriptor('proto3').file;
const bufferList = descriptorList.map(value => Buffer.from(descriptor.FileDescriptorProto.encode(value).finish()));
for (const [name, obj] of getAllHandledReflectionObjects(root, '')) {
def[name] = createDefinition(obj, name, options, bufferList);
}
return def;
}
function createPackageDefinitionFromDescriptorSet(decodedDescriptorSet, options) {
options = options || {};
const root = Protobuf.Root.fromDescriptor(decodedDescriptorSet);
root.resolveAll();
return createPackageDefinition(root, options);
}
/**
* Load a .proto file with the specified options.
* @param filename One or multiple file paths to load. Can be an absolute path
* or relative to an include path.
* @param options.keepCase Preserve field names. The default is to change them
* to camel case.
* @param options.longs The type that should be used to represent `long` values.
* Valid options are `Number` and `String`. Defaults to a `Long` object type
* from a library.
* @param options.enums The type that should be used to represent `enum` values.
* The only valid option is `String`. Defaults to the numeric value.
* @param options.bytes The type that should be used to represent `bytes`
* values. Valid options are `Array` and `String`. The default is to use
* `Buffer`.
* @param options.defaults Set default values on output objects. Defaults to
* `false`.
* @param options.arrays Set empty arrays for missing array values even if
* `defaults` is `false`. Defaults to `false`.
* @param options.objects Set empty objects for missing object values even if
* `defaults` is `false`. Defaults to `false`.
* @param options.oneofs Set virtual oneof properties to the present field's
* name
* @param options.json Represent Infinity and NaN as strings in float fields,
* and automatically decode google.protobuf.Any values.
* @param options.includeDirs Paths to search for imported `.proto` files.
*/
function load(filename, options) {
return util_1.loadProtosWithOptions(filename, options).then(loadedRoot => {
return createPackageDefinition(loadedRoot, options);
});
}
exports.load = load;
function loadSync(filename, options) {
const loadedRoot = util_1.loadProtosWithOptionsSync(filename, options);
return createPackageDefinition(loadedRoot, options);
}
exports.loadSync = loadSync;
function fromJSON(json, options) {
options = options || {};
const loadedRoot = Protobuf.Root.fromJSON(json);
loadedRoot.resolveAll();
return createPackageDefinition(loadedRoot, options);
}
exports.fromJSON = fromJSON;
function loadFileDescriptorSetFromBuffer(descriptorSet, options) {
const decodedDescriptorSet = descriptor.FileDescriptorSet.decode(descriptorSet);
return createPackageDefinitionFromDescriptorSet(decodedDescriptorSet, options);
}
exports.loadFileDescriptorSetFromBuffer = loadFileDescriptorSetFromBuffer;
function loadFileDescriptorSetFromObject(descriptorSet, options) {
const decodedDescriptorSet = descriptor.FileDescriptorSet.fromObject(descriptorSet);
return createPackageDefinitionFromDescriptorSet(decodedDescriptorSet, options);
}
exports.loadFileDescriptorSetFromObject = loadFileDescriptorSetFromObject;
util_1.addCommonProtos();
//# sourceMappingURL=index.js.map

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/**
* @license
* Copyright 2018 gRPC authors.
*
* 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.
*
*/
import * as Protobuf from 'protobufjs';
export declare type Options = Protobuf.IParseOptions & Protobuf.IConversionOptions & {
includeDirs?: string[];
};
export declare function loadProtosWithOptions(filename: string | string[], options?: Options): Promise<Protobuf.Root>;
export declare function loadProtosWithOptionsSync(filename: string | string[], options?: Options): Protobuf.Root;
/**
* Load Google's well-known proto files that aren't exposed by Protobuf.js.
*/
export declare function addCommonProtos(): void;

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"use strict";
/**
* @license
* Copyright 2018 gRPC authors.
*
* 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 });
const fs = require("fs");
const path = require("path");
const Protobuf = require("protobufjs");
function addIncludePathResolver(root, includePaths) {
const originalResolvePath = root.resolvePath;
root.resolvePath = (origin, target) => {
if (path.isAbsolute(target)) {
return target;
}
for (const directory of includePaths) {
const fullPath = path.join(directory, target);
try {
fs.accessSync(fullPath, fs.constants.R_OK);
return fullPath;
}
catch (err) {
continue;
}
}
process.emitWarning(`${target} not found in any of the include paths ${includePaths}`);
return originalResolvePath(origin, target);
};
}
async function loadProtosWithOptions(filename, options) {
const root = new Protobuf.Root();
options = options || {};
if (!!options.includeDirs) {
if (!Array.isArray(options.includeDirs)) {
return Promise.reject(new Error('The includeDirs option must be an array'));
}
addIncludePathResolver(root, options.includeDirs);
}
const loadedRoot = await root.load(filename, options);
loadedRoot.resolveAll();
return loadedRoot;
}
exports.loadProtosWithOptions = loadProtosWithOptions;
function loadProtosWithOptionsSync(filename, options) {
const root = new Protobuf.Root();
options = options || {};
if (!!options.includeDirs) {
if (!Array.isArray(options.includeDirs)) {
throw new Error('The includeDirs option must be an array');
}
addIncludePathResolver(root, options.includeDirs);
}
const loadedRoot = root.loadSync(filename, options);
loadedRoot.resolveAll();
return loadedRoot;
}
exports.loadProtosWithOptionsSync = loadProtosWithOptionsSync;
/**
* Load Google's well-known proto files that aren't exposed by Protobuf.js.
*/
function addCommonProtos() {
// Protobuf.js exposes: any, duration, empty, field_mask, struct, timestamp,
// and wrappers. compiler/plugin is excluded in Protobuf.js and here.
// Using constant strings for compatibility with tools like Webpack
const apiDescriptor = require('protobufjs/google/protobuf/api.json');
const descriptorDescriptor = require('protobufjs/google/protobuf/descriptor.json');
const sourceContextDescriptor = require('protobufjs/google/protobuf/source_context.json');
const typeDescriptor = require('protobufjs/google/protobuf/type.json');
Protobuf.common('api', apiDescriptor.nested.google.nested.protobuf.nested);
Protobuf.common('descriptor', descriptorDescriptor.nested.google.nested.protobuf.nested);
Protobuf.common('source_context', sourceContextDescriptor.nested.google.nested.protobuf.nested);
Protobuf.common('type', typeDescriptor.nested.google.nested.protobuf.nested);
}
exports.addCommonProtos = addCommonProtos;
//# sourceMappingURL=util.js.map

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{
"_from": "@grpc/proto-loader",
"_id": "@grpc/proto-loader@0.6.12",
"_inBundle": false,
"_integrity": "sha512-filTVbETFnxb9CyRX98zN18ilChTuf/C5scZ2xyaOTp0EHGq0/ufX8rjqXUcSb1Gpv7eZq4M2jDvbh9BogKnrg==",
"_location": "/@grpc/proto-loader",
"_phantomChildren": {},
"_requested": {
"type": "tag",
"registry": true,
"raw": "@grpc/proto-loader",
"name": "@grpc/proto-loader",
"escapedName": "@grpc%2fproto-loader",
"scope": "@grpc",
"rawSpec": "",
"saveSpec": null,
"fetchSpec": "latest"
},
"_requiredBy": [
"#USER",
"/",
"/@grpc/grpc-js"
],
"_resolved": "https://registry.npmjs.org/@grpc/proto-loader/-/proto-loader-0.6.12.tgz",
"_shasum": "459b619b8b9b67794bf0d1cb819653a38c63e164",
"_spec": "@grpc/proto-loader",
"_where": "C:\\projects\\blockchain\\lighting\\lapp-crash-course\\backend",
"author": {
"name": "Google Inc."
},
"bin": {
"proto-loader-gen-types": "build/bin/proto-loader-gen-types.js"
},
"bugs": {
"url": "https://github.com/grpc/grpc-node/issues"
},
"bundleDependencies": false,
"contributors": [
{
"name": "Michael Lumish",
"email": "mlumish@google.com"
}
],
"dependencies": {
"@types/long": "^4.0.1",
"lodash.camelcase": "^4.3.0",
"long": "^4.0.0",
"protobufjs": "^6.10.0",
"yargs": "^16.2.0"
},
"deprecated": false,
"description": "gRPC utility library for loading .proto files",
"devDependencies": {
"@types/lodash.camelcase": "^4.3.4",
"@types/mkdirp": "^1.0.1",
"@types/mocha": "^5.2.7",
"@types/node": "^10.17.26",
"@types/yargs": "^16.0.4",
"clang-format": "^1.2.2",
"gts": "^1.1.0",
"rimraf": "^3.0.2",
"typescript": "~3.8.3"
},
"engines": {
"node": ">=6"
},
"files": [
"LICENSE",
"build/src/*.d.ts",
"build/src/*.js",
"build/bin/*.js"
],
"homepage": "https://grpc.io/",
"license": "Apache-2.0",
"main": "build/src/index.js",
"name": "@grpc/proto-loader",
"repository": {
"type": "git",
"url": "git+https://github.com/grpc/grpc-node.git"
},
"scripts": {
"build": "npm run compile",
"check": "gts check",
"clean": "rimraf ./build",
"compile": "tsc -p .",
"fix": "gts fix",
"format": "clang-format -i -style=\"{Language: JavaScript, BasedOnStyle: Google, ColumnLimit: 80}\" src/*.ts test/*.ts",
"generate-golden": "node ./build/bin/proto-loader-gen-types.js --keepCase --longs=String --enums=String --defaults --oneofs --json --includeComments -I deps/gapic-showcase/schema/ deps/googleapis/ -O ./golden-generated --grpcLib @grpc/grpc-js google/showcase/v1beta1/echo.proto",
"lint": "tslint -c node_modules/google-ts-style/tslint.json -p . -t codeFrame --type-check",
"posttest": "npm run check",
"prepare": "npm run compile",
"pretest": "npm run compile",
"test": "gulp test",
"validate-golden": "rm -rf ./golden-generated-old && mv ./golden-generated/ ./golden-generated-old && npm run generate-golden && diff -rb ./golden-generated ./golden-generated-old"
},
"typings": "build/src/index.d.ts",
"version": "0.6.12"
}