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fix: allow passing gax instance to client constructor (#650)
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PiperOrigin-RevId: 470911839

Source-Link: googleapis/googleapis@3527566

Source-Link: googleapis/googleapis-gen@f16a1d2
Copy-Tag: eyJwIjoiLmdpdGh1Yi8uT3dsQm90LnlhbWwiLCJoIjoiZjE2YTFkMjI0ZjAwYTYzMGVhNDNkNmE5YTFhMzFmNTY2ZjQ1Y2RlYSJ9

feat: accept google-gax instance as a parameter
Please see the documentation of the client constructor for details.

PiperOrigin-RevId: 470332808

Source-Link: googleapis/googleapis@d4a2367

Source-Link: googleapis/googleapis-gen@e97a1ac
Copy-Tag: eyJwIjoiLmdpdGh1Yi8uT3dsQm90LnlhbWwiLCJoIjoiZTk3YTFhYzIwNGVhZDRmZTczNDFmOTFlNzJkYjdjNmFjNjAxNjM0MSJ9
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gcf-owl-bot[bot] authored Sep 1, 2022
1 parent a860eaa commit b55761c
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Showing 3 changed files with 124 additions and 85 deletions.
67 changes: 40 additions & 27 deletions packages/google-cloud-tasks/src/v2/cloud_tasks_client.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -17,16 +17,15 @@
// ** All changes to this file may be overwritten. **

/* global window */
import * as gax from 'google-gax';
import {
import type * as gax from 'google-gax';
import type {
Callback,
CallOptions,
Descriptors,
ClientOptions,
PaginationCallback,
GaxCall,
} from 'google-gax';

import {Transform} from 'stream';
import * as protos from '../../protos/protos';
import jsonProtos = require('../../protos/protos.json');
Expand All @@ -36,7 +35,6 @@ import jsonProtos = require('../../protos/protos.json');
* This file defines retry strategy and timeouts for all API methods in this library.
*/
import * as gapicConfig from './cloud_tasks_client_config.json';

const version = require('../../../package.json').version;

/**
Expand Down Expand Up @@ -97,8 +95,18 @@ export class CloudTasksClient {
* Pass "rest" to use HTTP/1.1 REST API instead of gRPC.
* For more information, please check the
* {@link https://github.com/googleapis/gax-nodejs/blob/main/client-libraries.md#http11-rest-api-mode documentation}.
* @param {gax} [gaxInstance]: loaded instance of `google-gax`. Useful if you
* need to avoid loading the default gRPC version and want to use the fallback
* HTTP implementation. Load only fallback version and pass it to the constructor:
* ```
* const gax = require('google-gax/build/src/fallback'); // avoids loading google-gax with gRPC
* const client = new CloudTasksClient({fallback: 'rest'}, gax);
* ```
*/
constructor(opts?: ClientOptions) {
constructor(
opts?: ClientOptions,
gaxInstance?: typeof gax | typeof gax.fallback
) {
// Ensure that options include all the required fields.
const staticMembers = this.constructor as typeof CloudTasksClient;
const servicePath =
Expand All @@ -118,8 +126,13 @@ export class CloudTasksClient {
opts['scopes'] = staticMembers.scopes;
}

// Load google-gax module synchronously if needed
if (!gaxInstance) {
gaxInstance = require('google-gax') as typeof gax;
}

// Choose either gRPC or proto-over-HTTP implementation of google-gax.
this._gaxModule = opts.fallback ? gax.fallback : gax;
this._gaxModule = opts.fallback ? gaxInstance.fallback : gaxInstance;

// Create a `gaxGrpc` object, with any grpc-specific options sent to the client.
this._gaxGrpc = new this._gaxModule.GrpcClient(opts);
Expand Down Expand Up @@ -207,7 +220,7 @@ export class CloudTasksClient {
this.innerApiCalls = {};

// Add a warn function to the client constructor so it can be easily tested.
this.warn = gax.warn;
this.warn = this._gaxModule.warn;
}

/**
Expand Down Expand Up @@ -420,7 +433,7 @@ export class CloudTasksClient {
options.otherArgs = options.otherArgs || {};
options.otherArgs.headers = options.otherArgs.headers || {};
options.otherArgs.headers['x-goog-request-params'] =
gax.routingHeader.fromParams({
this._gaxModule.routingHeader.fromParams({
name: request.name || '',
});
this.initialize();
Expand Down Expand Up @@ -523,7 +536,7 @@ export class CloudTasksClient {
options.otherArgs = options.otherArgs || {};
options.otherArgs.headers = options.otherArgs.headers || {};
options.otherArgs.headers['x-goog-request-params'] =
gax.routingHeader.fromParams({
this._gaxModule.routingHeader.fromParams({
parent: request.parent || '',
});
this.initialize();
Expand Down Expand Up @@ -630,7 +643,7 @@ export class CloudTasksClient {
options.otherArgs = options.otherArgs || {};
options.otherArgs.headers = options.otherArgs.headers || {};
options.otherArgs.headers['x-goog-request-params'] =
gax.routingHeader.fromParams({
this._gaxModule.routingHeader.fromParams({
'queue.name': request.queue!.name || '',
});
this.initialize();
Expand Down Expand Up @@ -726,7 +739,7 @@ export class CloudTasksClient {
options.otherArgs = options.otherArgs || {};
options.otherArgs.headers = options.otherArgs.headers || {};
options.otherArgs.headers['x-goog-request-params'] =
gax.routingHeader.fromParams({
this._gaxModule.routingHeader.fromParams({
name: request.name || '',
});
this.initialize();
Expand Down Expand Up @@ -815,7 +828,7 @@ export class CloudTasksClient {
options.otherArgs = options.otherArgs || {};
options.otherArgs.headers = options.otherArgs.headers || {};
options.otherArgs.headers['x-goog-request-params'] =
gax.routingHeader.fromParams({
this._gaxModule.routingHeader.fromParams({
name: request.name || '',
});
this.initialize();
Expand Down Expand Up @@ -905,7 +918,7 @@ export class CloudTasksClient {
options.otherArgs = options.otherArgs || {};
options.otherArgs.headers = options.otherArgs.headers || {};
options.otherArgs.headers['x-goog-request-params'] =
gax.routingHeader.fromParams({
this._gaxModule.routingHeader.fromParams({
name: request.name || '',
});
this.initialize();
Expand Down Expand Up @@ -1001,7 +1014,7 @@ export class CloudTasksClient {
options.otherArgs = options.otherArgs || {};
options.otherArgs.headers = options.otherArgs.headers || {};
options.otherArgs.headers['x-goog-request-params'] =
gax.routingHeader.fromParams({
this._gaxModule.routingHeader.fromParams({
name: request.name || '',
});
this.initialize();
Expand Down Expand Up @@ -1096,7 +1109,7 @@ export class CloudTasksClient {
options.otherArgs = options.otherArgs || {};
options.otherArgs.headers = options.otherArgs.headers || {};
options.otherArgs.headers['x-goog-request-params'] =
gax.routingHeader.fromParams({
this._gaxModule.routingHeader.fromParams({
resource: request.resource || '',
});
this.initialize();
Expand Down Expand Up @@ -1201,7 +1214,7 @@ export class CloudTasksClient {
options.otherArgs = options.otherArgs || {};
options.otherArgs.headers = options.otherArgs.headers || {};
options.otherArgs.headers['x-goog-request-params'] =
gax.routingHeader.fromParams({
this._gaxModule.routingHeader.fromParams({
resource: request.resource || '',
});
this.initialize();
Expand Down Expand Up @@ -1296,7 +1309,7 @@ export class CloudTasksClient {
options.otherArgs = options.otherArgs || {};
options.otherArgs.headers = options.otherArgs.headers || {};
options.otherArgs.headers['x-goog-request-params'] =
gax.routingHeader.fromParams({
this._gaxModule.routingHeader.fromParams({
resource: request.resource || '',
});
this.initialize();
Expand Down Expand Up @@ -1393,7 +1406,7 @@ export class CloudTasksClient {
options.otherArgs = options.otherArgs || {};
options.otherArgs.headers = options.otherArgs.headers || {};
options.otherArgs.headers['x-goog-request-params'] =
gax.routingHeader.fromParams({
this._gaxModule.routingHeader.fromParams({
name: request.name || '',
});
this.initialize();
Expand Down Expand Up @@ -1530,7 +1543,7 @@ export class CloudTasksClient {
options.otherArgs = options.otherArgs || {};
options.otherArgs.headers = options.otherArgs.headers || {};
options.otherArgs.headers['x-goog-request-params'] =
gax.routingHeader.fromParams({
this._gaxModule.routingHeader.fromParams({
parent: request.parent || '',
});
this.initialize();
Expand Down Expand Up @@ -1618,7 +1631,7 @@ export class CloudTasksClient {
options.otherArgs = options.otherArgs || {};
options.otherArgs.headers = options.otherArgs.headers || {};
options.otherArgs.headers['x-goog-request-params'] =
gax.routingHeader.fromParams({
this._gaxModule.routingHeader.fromParams({
name: request.name || '',
});
this.initialize();
Expand Down Expand Up @@ -1738,7 +1751,7 @@ export class CloudTasksClient {
options.otherArgs = options.otherArgs || {};
options.otherArgs.headers = options.otherArgs.headers || {};
options.otherArgs.headers['x-goog-request-params'] =
gax.routingHeader.fromParams({
this._gaxModule.routingHeader.fromParams({
name: request.name || '',
});
this.initialize();
Expand Down Expand Up @@ -1857,7 +1870,7 @@ export class CloudTasksClient {
options.otherArgs = options.otherArgs || {};
options.otherArgs.headers = options.otherArgs.headers || {};
options.otherArgs.headers['x-goog-request-params'] =
gax.routingHeader.fromParams({
this._gaxModule.routingHeader.fromParams({
parent: request.parent || '',
});
this.initialize();
Expand Down Expand Up @@ -1921,7 +1934,7 @@ export class CloudTasksClient {
options.otherArgs = options.otherArgs || {};
options.otherArgs.headers = options.otherArgs.headers || {};
options.otherArgs.headers['x-goog-request-params'] =
gax.routingHeader.fromParams({
this._gaxModule.routingHeader.fromParams({
parent: request.parent || '',
});
const defaultCallSettings = this._defaults['listQueues'];
Expand Down Expand Up @@ -1994,7 +2007,7 @@ export class CloudTasksClient {
options.otherArgs = options.otherArgs || {};
options.otherArgs.headers = options.otherArgs.headers || {};
options.otherArgs.headers['x-goog-request-params'] =
gax.routingHeader.fromParams({
this._gaxModule.routingHeader.fromParams({
parent: request.parent || '',
});
const defaultCallSettings = this._defaults['listQueues'];
Expand Down Expand Up @@ -2127,7 +2140,7 @@ export class CloudTasksClient {
options.otherArgs = options.otherArgs || {};
options.otherArgs.headers = options.otherArgs.headers || {};
options.otherArgs.headers['x-goog-request-params'] =
gax.routingHeader.fromParams({
this._gaxModule.routingHeader.fromParams({
parent: request.parent || '',
});
this.initialize();
Expand Down Expand Up @@ -2194,7 +2207,7 @@ export class CloudTasksClient {
options.otherArgs = options.otherArgs || {};
options.otherArgs.headers = options.otherArgs.headers || {};
options.otherArgs.headers['x-goog-request-params'] =
gax.routingHeader.fromParams({
this._gaxModule.routingHeader.fromParams({
parent: request.parent || '',
});
const defaultCallSettings = this._defaults['listTasks'];
Expand Down Expand Up @@ -2270,7 +2283,7 @@ export class CloudTasksClient {
options.otherArgs = options.otherArgs || {};
options.otherArgs.headers = options.otherArgs.headers || {};
options.otherArgs.headers['x-goog-request-params'] =
gax.routingHeader.fromParams({
this._gaxModule.routingHeader.fromParams({
parent: request.parent || '',
});
const defaultCallSettings = this._defaults['listTasks'];
Expand Down
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