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Claude: Streamed tool calls parser

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Cohee
2024-10-04 11:31:15 +00:00
parent ca1f6a56c3
commit db04fff3df
1 changed files with 45 additions and 18 deletions
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63
public/scripts/tool-calling.js
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@@ -136,6 +136,8 @@ export class ToolManager {
*/ */
static #tools = new Map(); static #tools = new Map();
static #INPUT_DELTA_KEY = '__input_json_delta';
/** /**
* Returns an Array of all tools that have been registered. * Returns an Array of all tools that have been registered.
* @type {ToolDefinition[]} * @type {ToolDefinition[]}
@@ -304,20 +306,48 @@ export class ToolManager {
} }
if (typeof parsed?.content_block === 'object') { if (typeof parsed?.content_block === 'object') {
const choiceIndex = 0; const choiceIndex = 0;
const toolCallIndex = parsed?.index ?? 0;
if (parsed?.content_block?.type === 'tool_use') { if (parsed?.content_block?.type === 'tool_use') {
if (!Array.isArray(toolCalls[choiceIndex])) { if (!Array.isArray(toolCalls[choiceIndex])) {
toolCalls[choiceIndex] = []; toolCalls[choiceIndex] = [];
} }
const toolCallIndex = toolCalls[choiceIndex].length;
if (toolCalls[choiceIndex][toolCallIndex] === undefined) { if (toolCalls[choiceIndex][toolCallIndex] === undefined) {
toolCalls[choiceIndex][toolCallIndex] = {}; toolCalls[choiceIndex][toolCallIndex] = {};
} }
const targetToolCall = toolCalls[choiceIndex][toolCallIndex]; const targetToolCall = toolCalls[choiceIndex][toolCallIndex];
Object.assign(targetToolCall, parsed.content_block); ToolManager.#applyToolCallDelta(targetToolCall, parsed.content_block);
}
}
if (typeof parsed?.delta === 'object') {
const choiceIndex = 0;
const toolCallIndex = parsed?.index ?? 0;
const targetToolCall = toolCalls[choiceIndex]?.[toolCallIndex];
if (targetToolCall){
if (parsed?.delta?.type === 'input_json_delta') {
const jsonDelta = parsed?.delta?.partial_json;
if (!targetToolCall[this.#INPUT_DELTA_KEY]) {
targetToolCall[this.#INPUT_DELTA_KEY] = '';
}
targetToolCall[this.#INPUT_DELTA_KEY] += jsonDelta;
}
}
}
if (parsed?.type === 'content_block_stop') {
const choiceIndex = 0;
const toolCallIndex = parsed?.index ?? 0;
const targetToolCall = toolCalls[choiceIndex]?.[toolCallIndex];
if (targetToolCall) {
const jsonDeltaString = targetToolCall[this.#INPUT_DELTA_KEY];
if (jsonDeltaString) {
try {
const jsonDelta = { input: JSON.parse(jsonDeltaString) };
delete targetToolCall[this.#INPUT_DELTA_KEY];
ToolManager.#applyToolCallDelta(targetToolCall, jsonDelta);
} catch (error) {
console.warn('Failed to apply input JSON delta:', error);
}
}
} }
} }
} }
@@ -397,9 +427,12 @@ export class ToolManager {
* @returns {any[]} Tool calls from the response data * @returns {any[]} Tool calls from the response data
*/ */
static #getToolCallsFromData(data) { static #getToolCallsFromData(data) {
const isClaudeToolCall = c => Array.isArray(c) ? c.filter(x => x).every(isClaudeToolCall) : c?.input && c?.name && c?.id;
const convertClaudeToolCall = c => ({ id: c.id, function: { name: c.name, arguments: c.input } });
// Parsed tool calls from streaming data // Parsed tool calls from streaming data
if (Array.isArray(data) && data.length > 0) { if (Array.isArray(data) && data.length > 0 && Array.isArray(data[0])) {
return data[0]; return isClaudeToolCall(data[0]) ? data[0].filter(x => x).map(convertClaudeToolCall) : data[0];
} }
// Parsed tool calls from non-streaming data // Parsed tool calls from non-streaming data
@@ -412,19 +445,13 @@ export class ToolManager {
} }
} }
// Claude tool calls to OpenAI tool calls
if (Array.isArray(data?.content)) { if (Array.isArray(data?.content)) {
// Claude tool calls to OpenAI tool calls const content = data.content.filter(c => c.type === 'tool_use').map(convertClaudeToolCall);
const content = data.content.filter(c => c.type === 'tool_use').map(c => {
return {
id: c.id,
function: {
name: c.name,
arguments: c.input,
},
};
});
return content; if (content) {
return content;
}
} }
} }