javascript/safety_settings.js

/**
 * @license
 * Copyright 2025 Google LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import { GoogleGenAI } from "@google/genai";

export async function safetySettings() {
  // [START safety_settings]
  // Make sure to include the following import:
  // import {GoogleGenAI} from '@google/genai';
  const ai = new GoogleGenAI({ apiKey: process.env.GEMINI_API_KEY });
  const unsafePrompt =
    "I support Martians Soccer Club and I think Jupiterians Football Club sucks! Write a ironic phrase about them including expletives.";

  const response = await ai.models.generateContent({
    model: "gemini-2.0-flash",
    contents: unsafePrompt,
    config: {
      safetySettings: [
        {
          category: "HARM_CATEGORY_HARASSMENT",
          threshold: "BLOCK_ONLY_HIGH",
        },
      ],
    },
  });

  console.log("Finish reason:", response.candidates[0].finishReason);
  console.log("Safety ratings:", response.candidates[0].safetyRatings);
  // [END safety_settings]
  return response;
}

export async function safetySettingsMulti() {
  // [START safety_settings_multi]
  // Make sure to include the following import:
  // import {GoogleGenAI} from '@google/genai';
  const ai = new GoogleGenAI({ apiKey: process.env.GEMINI_API_KEY });
  const unsafePrompt =
    "I support Martians Soccer Club and I think Jupiterians Football Club sucks! Write a ironic phrase about them including expletives.";

  const response = await ai.models.generateContent({
    model: "gemini-2.0-flash",
    contents: unsafePrompt,
    config: {
      safetySettings: [
        {
          category: "HARM_CATEGORY_HATE_SPEECH",
          threshold: "BLOCK_MEDIUM_AND_ABOVE",
        },
        {
          category: "HARM_CATEGORY_HARASSMENT",
          threshold: "BLOCK_ONLY_HIGH",
        },
      ],
    },
  });

  try {
    console.log("Generated text:", response.text);
  } catch (error) {
    console.log("No information generated by the model.");
  }
  console.log("Safety ratings:", response.candidates[0].safetyRatings);
  // [START safety_settings_multi]
  return response;
}