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Guiners
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adding samples and tests
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‎genai/test/textgen-async-with-txt.test.js‎

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// Copyright 2025 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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'use strict';
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const {assert} = require('chai');
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const {describe, it} = require('mocha');
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const projectId = process.env.CAIP_PROJECT_ID;
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const sample = require('../text-generation/textgen-async-with-txt.js');
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describe('textgen-async-with-txt', () => {
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it('should generate text content from a text prompt and with system instructions', async function () {
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this.timeout(100000);
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const output = await sample.generateContent(projectId);
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assert(output.length > 0);
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});
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});

‎genai/test/textgen-chat-with-txt.test.js‎

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// Copyright 2025 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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'use strict';
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const {assert} = require('chai');
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const {describe, it} = require('mocha');
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const projectId = process.env.CAIP_PROJECT_ID;
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const sample = require('../text-generation/textgen-chat-with-txt.js');
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describe('textgen-chat-with-txt', () => {
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it('should generate text content from a text prompt and with system instructions', async function () {
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this.timeout(100000);
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const output = await sample.generateContent(projectId);
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assert(output.length > 0);
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});
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});

‎genai/test/textgen-config-with-txt.test.js‎

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// Copyright 2025 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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'use strict';
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const {assert} = require('chai');
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const {describe, it} = require('mocha');
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const projectId = process.env.CAIP_PROJECT_ID;
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const sample = require('../text-generation/textgen-config-with-txt.js');
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describe('textgen-config-with-txt', () => {
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it('should generate text content from a text prompt and with system instructions', async function () {
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this.timeout(100000);
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const output = await sample.generateContent(projectId);
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assert(output.length > 0);
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});
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});

‎genai/test/textgen-with-mute-video.test.js‎

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// Copyright 2025 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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'use strict';
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const {assert} = require('chai');
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const {describe, it} = require('mocha');
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const projectId = process.env.CAIP_PROJECT_ID;
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const sample = require('../text-generation/textgen-with-mute-video.js');
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describe('textgen-with-mute-video', () => {
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it('should generate text content from a mute video', async function () {
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this.timeout(100000);
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const output = await sample.generateContent(projectId);
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assert(output.length > 0);
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});
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});

‎genai/text-generation/textgen-async-with-txt.js‎

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// Copyright 2025 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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'use strict';
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// [START googlegenaisdk_textgen_async_with_txt]
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const {GoogleGenAI} = require('@google/genai');
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const GOOGLE_CLOUD_PROJECT = process.env.GOOGLE_CLOUD_PROJECT;
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const GOOGLE_CLOUD_LOCATION = process.env.GOOGLE_CLOUD_LOCATION || 'global';
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async function generateContent(
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projectId = GOOGLE_CLOUD_PROJECT,
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location = GOOGLE_CLOUD_LOCATION
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) {
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const ai = new GoogleGenAI({
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vertexai: true,
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project: projectId,
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location: location,
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});
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const response = await ai.models.generateContent({
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model: 'gemini-2.5-flash',
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contents: 'Compose a song about the adventures of a time-traveling nuggets.',
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config: {
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responseMimeType: 'text/plain',
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}
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});
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console.log(response.text);
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return response.text;
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}
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// [END googlegenaisdk_textgen_async_with_txt]
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module.exports = {
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generateContent,
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};

‎genai/text-generation/textgen-chat-with-txt.js‎

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// Copyright 2025 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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'use strict';
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// [START googlegenaisdk_textgen_chat_with_txt]
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const {GoogleGenAI} = require('@google/genai');
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const GOOGLE_CLOUD_PROJECT = process.env.GOOGLE_CLOUD_PROJECT;
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const GOOGLE_CLOUD_LOCATION = process.env.GOOGLE_CLOUD_LOCATION || 'global';
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async function generateContent(
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projectId = GOOGLE_CLOUD_PROJECT,
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location = GOOGLE_CLOUD_LOCATION
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) {
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const ai = new GoogleGenAI({
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vertexai: true,
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project: projectId,
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location: location,
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});
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const chatSession = ai.chats.create({
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model: 'gemini-2.5-flash',
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history: [
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{
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role: 'user',
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parts: [{ text: 'Hello' }],
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},
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{
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role: 'model',
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parts: [{ text: 'Great to meet you. What would you like to know?' }],
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},
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],
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});
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const response = await chatSession.sendMessage({message: 'Tell me a story.'});
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console.log(response.text);
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return response.text;
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}
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// [END googlegenaisdk_textgen_chat_with_txt]
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module.exports = {
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generateContent,
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};

‎genai/text-generation/textgen-config-with-txt.js‎

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// Copyright 2025 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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'use strict';
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// [START googlegenaisdk_textgen_config_with_txt]
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const {GoogleGenAI} = require('@google/genai');
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const GOOGLE_CLOUD_PROJECT = process.env.GOOGLE_CLOUD_PROJECT;
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const GOOGLE_CLOUD_LOCATION = process.env.GOOGLE_CLOUD_LOCATION || 'global';
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async function generateContent(
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projectId = GOOGLE_CLOUD_PROJECT,
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location = GOOGLE_CLOUD_LOCATION
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) {
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const ai = new GoogleGenAI({
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vertexai: true,
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project: projectId,
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location: location,
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});
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const config = {
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temperature: 0,
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candidateCount: 1,
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responseMimeType: 'application/json',
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topP: 0.95,
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topK: 20,
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seed: 5,
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maxOutputTokens: 500,
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stopSequences: ['STOP!'],
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presencePenalty: 0.0,
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frequencyPenalty: 0.0,
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};
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const response = await ai.models.generateContent({
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model: 'gemini-2.5-flash',
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contents: 'Why is the sky blue?',
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config: config
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});
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console.log(response.text);
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return response.text;
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}
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// [END googlegenaisdk_textgen_config_with_txt]
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module.exports = {
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generateContent,
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};

‎genai/text-generation/textgen-with-mute-video.js‎

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// Copyright 2025 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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'use strict';
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// [START googlegenaisdk_textgen_with_mute_video]
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const {GoogleGenAI} = require('@google/genai');
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const GOOGLE_CLOUD_PROJECT = process.env.GOOGLE_CLOUD_PROJECT;
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const GOOGLE_CLOUD_LOCATION = process.env.GOOGLE_CLOUD_LOCATION || 'global';
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async function generateContent(
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projectId = GOOGLE_CLOUD_PROJECT,
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location = GOOGLE_CLOUD_LOCATION
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) {
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const ai = new GoogleGenAI({
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vertexai: true,
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project: projectId,
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location: location,
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});
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const response = await ai.models.generateContent({
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model: 'gemini-2.5-flash',
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contents: [
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{
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role: 'user',
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parts: [
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{
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fileData: {
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mimeType: 'video/mp4',
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fileUri: 'gs://cloud-samples-data/generative-ai/video/ad_copy_from_video.mp4',
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},
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},
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{
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text: 'What is in the video?',
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},
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],
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},
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],
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});
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console.log(response.text);
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return response.text;
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}
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// [END googlegenaisdk_textgen_with_mute_video]
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module.exports = {
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generateContent,
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};

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