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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 | 25x 25x 25x 31x 1x 1x 30x 30x 30x 2x 2x 28x 28x 24x 4x 2x 4x 2x 2x 2x 2x 2x 28x 3x 2x 28x 28x 25x | import { Message } from "../../chat/Message.js";
import { GeminiContent, GeminiPart } from "./types.js";
import { BinaryUtils } from "../../utils/Binary.js";
export class GeminiChatUtils {
static async convertMessages(
messages: Message[]
): Promise<{ contents: GeminiContent[]; systemInstructionParts: GeminiPart[] }> {
const contents: GeminiContent[] = [];
const systemInstructionParts: GeminiPart[] = [];
for (const msg of messages) {
if (msg.role === "system" || msg.role === "developer") {
Eif (msg.content) {
systemInstructionParts.push({ text: String(msg.content) });
}
E} else if (msg.role === "user" || msg.role === "assistant" || msg.role === "tool") {
const parts: GeminiPart[] = [];
if (msg.role === "tool") {
parts.push({
functionResponse: {
name: msg.tool_call_id || "unknown",
response: { result: msg.content }
}
});
contents.push({ role: "user", parts });
} else {
const role = msg.role === "assistant" ? "model" : "user";
if (msg.content && (typeof msg.content === "string" || msg.content instanceof String)) {
parts.push({ text: String(msg.content) });
} else if (Array.isArray(msg.content)) {
for (const part of msg.content) {
if (part.type === "text") {
parts.push({ text: part.text });
} else if (part.type === "image_url") {
const binary = await BinaryUtils.toBase64(part.image_url.url);
Eif (binary) {
parts.push({
inlineData: {
mimeType: binary.mimeType,
data: binary.data
}
});
}
E} else if (part.type === "input_audio") {
parts.push({
inlineData: {
mimeType: `audio/${part.input_audio.format}`,
data: part.input_audio.data
}
});
} else if (part.type === "video_url") {
const binary = await BinaryUtils.toBase64(part.video_url.url);
if (binary) {
parts.push({
inlineData: {
mimeType: binary.mimeType,
data: binary.data
}
});
}
}
}
}
if (msg.role === "assistant" && msg.tool_calls) {
for (const call of msg.tool_calls) {
parts.push({
functionCall: {
name: call.function.name,
args: JSON.parse(call.function.arguments)
}
});
}
}
Eif (parts.length > 0) {
contents.push({ role, parts });
}
}
}
}
return { contents, systemInstructionParts };
}
}
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