diff --git a/packages/core/package.json b/packages/core/package.json
index cf9dd048df29fe4f21e1010af2126d16ace9022c..13614afcdc9c22d290db6a85f3b5934761577011 100644
--- a/packages/core/package.json
+++ b/packages/core/package.json
@@ -258,16 +258,30 @@
},
"./vector-store": {
"require": {
- "types": "./dist/vector-store/index.d.cts",
- "default": "./dist/vector-store/index.cjs"
+ "types": "./vector-store/dist/index.d.cts",
+ "default": "./vector-store/dist/index.cjs"
},
"import": {
- "types": "./dist/vector-store/index.d.ts",
- "default": "./dist/vector-store/index.js"
+ "types": "./vector-store/dist/index.d.ts",
+ "default": "./vector-store/dist/index.js"
},
"default": {
- "types": "./dist/vector-store/index.d.ts",
- "default": "./dist/vector-store/index.js"
+ "types": "./vector-store/dist/index.d.ts",
+ "default": "./vector-store/dist/index.js"
+ }
+ },
+ "./tools": {
+ "require": {
+ "types": "./tools/dist/index.d.cts",
+ "default": "./tools/dist/index.cjs"
+ },
+ "import": {
+ "types": "./tools/dist/index.d.ts",
+ "default": "./tools/dist/index.js"
+ },
+ "default": {
+ "types": "./tools/dist/index.d.ts",
+ "default": "./tools/dist/index.js"
}
}
},
@@ -289,7 +303,9 @@
"./storage",
"./response-synthesizers",
"./chat-engine",
- "./retriever"
+ "./retriever",
+ "./vector-store",
+ "./tools"
],
"scripts": {
"dev": "bunchee --watch",
@@ -312,6 +328,7 @@
"@llamaindex/env": "workspace:*",
"@types/node": "^22.5.1",
"magic-bytes.js": "^1.10.0",
- "zod": "^3.23.8"
+ "zod": "^3.23.8",
+ "zod-to-json-schema": "^3.23.3"
}
}
diff --git a/packages/core/src/tools/function-tool.ts b/packages/core/src/tools/function-tool.ts
new file mode 100644
index 0000000000000000000000000000000000000000..25fbd452c7e2437c614ff0bc43abcd1b7b8d963f
--- /dev/null
+++ b/packages/core/src/tools/function-tool.ts
@@ -0,0 +1,62 @@
+import type { JSONSchemaType } from "ajv";
+import { z } from "zod";
+import { zodToJsonSchema } from "zod-to-json-schema";
+import type { JSONValue } from "../global";
+import type { BaseTool, ToolMetadata } from "../llms";
+
+const kOriginalFn = Symbol("originalFn");
+
+export class FunctionTool<T, R extends JSONValue | Promise<JSONValue>>
+ implements BaseTool<T>
+{
+ [kOriginalFn]?: (input: T) => R;
+
+ #fn: (input: T) => R;
+ #metadata: ToolMetadata<JSONSchemaType<T>>;
+ // todo: for the future, we can use zod to validate the input parameters
+ #zodType: z.ZodType<T> | null = null;
+ constructor(
+ fn: (input: T) => R,
+ metadata: ToolMetadata<JSONSchemaType<T>>,
+ zodType?: z.ZodType<T>,
+ ) {
+ this.#fn = fn;
+ this.#metadata = metadata;
+ if (zodType) {
+ this.#zodType = zodType;
+ }
+ }
+
+ static from<T>(
+ fn: (input: T) => JSONValue | Promise<JSONValue>,
+ schema: ToolMetadata<JSONSchemaType<T>>,
+ ): FunctionTool<T, JSONValue | Promise<JSONValue>>;
+ static from<T, R extends z.ZodType<T>>(
+ fn: (input: T) => JSONValue | Promise<JSONValue>,
+ schema: Omit<ToolMetadata, "parameters"> & {
+ parameters: R;
+ },
+ ): FunctionTool<T, JSONValue>;
+ static from(fn: any, schema: any): any {
+ if (schema.parameter instanceof z.ZodSchema) {
+ const jsonSchema = zodToJsonSchema(schema.parameter);
+ return new FunctionTool(
+ fn,
+ {
+ ...schema,
+ parameters: jsonSchema,
+ },
+ schema.parameter,
+ );
+ }
+ return new FunctionTool(fn, schema);
+ }
+
+ get metadata(): BaseTool<T>["metadata"] {
+ return this.#metadata as BaseTool<T>["metadata"];
+ }
+
+ call(input: T) {
+ return this.#fn.call(null, input);
+ }
+}
diff --git a/packages/core/src/tools/index.ts b/packages/core/src/tools/index.ts
new file mode 100644
index 0000000000000000000000000000000000000000..dd82f38d17eb3d2601608d916ecd8b81d81e53ae
--- /dev/null
+++ b/packages/core/src/tools/index.ts
@@ -0,0 +1 @@
+export { FunctionTool } from "./function-tool";
diff --git a/packages/core/tests/tools.test.ts b/packages/core/tests/tools.test.ts
new file mode 100644
index 0000000000000000000000000000000000000000..009b1ca077d5a57961138d35f6be0fd7a09faad9
--- /dev/null
+++ b/packages/core/tests/tools.test.ts
@@ -0,0 +1,35 @@
+import { FunctionTool } from "@llamaindex/core/tools";
+import { describe, test } from "vitest";
+import { z } from "zod";
+
+describe("FunctionTool", () => {
+ test("type system", () => {
+ FunctionTool.from((input: string) => input, {
+ name: "test",
+ description: "test",
+ });
+ FunctionTool.from(({ input }: { input: string }) => input, {
+ name: "test",
+ description: "test",
+ parameters: {
+ type: "object",
+ properties: {
+ input: {
+ type: "string",
+ },
+ },
+ required: ["input"],
+ },
+ });
+ const inputSchema = z
+ .object({
+ input: z.string(),
+ })
+ .required();
+ FunctionTool.from(({ input }: { input: string }) => input, {
+ name: "test",
+ description: "test",
+ parameters: inputSchema,
+ });
+ });
+});
diff --git a/packages/core/tools/package.json b/packages/core/tools/package.json
new file mode 100644
index 0000000000000000000000000000000000000000..2fdf125e2c97434f35f11ee6e3f3b16bfee57300
--- /dev/null
+++ b/packages/core/tools/package.json
@@ -0,0 +1,8 @@
+{
+ "type": "module",
+ "main": "./dist/index.cjs",
+ "module": "./dist/index.js",
+ "types": "./dist/index.d.ts",
+ "exports": "./dist/index.js",
+ "private": true
+}
diff --git a/packages/core/vector-store/package.json b/packages/core/vector-store/package.json
new file mode 100644
index 0000000000000000000000000000000000000000..2fdf125e2c97434f35f11ee6e3f3b16bfee57300
--- /dev/null
+++ b/packages/core/vector-store/package.json
@@ -0,0 +1,8 @@
+{
+ "type": "module",
+ "main": "./dist/index.cjs",
+ "module": "./dist/index.js",
+ "types": "./dist/index.d.ts",
+ "exports": "./dist/index.js",
+ "private": true
+}
diff --git a/packages/llamaindex/src/tools/functionTool.ts b/packages/llamaindex/src/tools/functionTool.ts
deleted file mode 100644
index 332abe60801b84b1e27a41d51db714a619147690..0000000000000000000000000000000000000000
--- a/packages/llamaindex/src/tools/functionTool.ts
+++ /dev/null
@@ -1,31 +0,0 @@
-import type { JSONValue } from "@llamaindex/core/global";
-import type { BaseTool, ToolMetadata } from "@llamaindex/core/llms";
-import type { JSONSchemaType } from "ajv";
-
-export class FunctionTool<T, R extends JSONValue | Promise<JSONValue>>
- implements BaseTool<T>
-{
- constructor(
- private readonly _fn: (input: T) => R,
- private readonly _metadata: ToolMetadata<JSONSchemaType<T>>,
- ) {}
-
- static from<T>(
- fn: (input: T) => JSONValue | Promise<JSONValue>,
- schema: ToolMetadata<JSONSchemaType<T>>,
- ): FunctionTool<T, JSONValue | Promise<JSONValue>>;
- static from<T, R extends JSONValue | Promise<JSONValue>>(
- fn: (input: T) => R,
- schema: ToolMetadata<JSONSchemaType<T>>,
- ): FunctionTool<T, R> {
- return new FunctionTool(fn, schema);
- }
-
- get metadata(): BaseTool<T>["metadata"] {
- return this._metadata as BaseTool<T>["metadata"];
- }
-
- call(input: T) {
- return this._fn(input);
- }
-}
diff --git a/packages/llamaindex/src/tools/index.ts b/packages/llamaindex/src/tools/index.ts
index 82fa36ab2481d6c6c04c2fc6ae2c0b8fe99082c0..31a1c2893a3f685f9b232858e146f49229d42a9f 100644
--- a/packages/llamaindex/src/tools/index.ts
+++ b/packages/llamaindex/src/tools/index.ts
@@ -1,3 +1,3 @@
-export * from "./functionTool.js";
+export * from "@llamaindex/core/tools";
export * from "./QueryEngineTool.js";
export * from "./WikipediaTool.js";
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index f3f66ce67c7ea39cbdcf719cdfa8189ac0233b25..b15748d04995f898a667ed7992f74b0eb4ebe69f 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -401,6 +401,9 @@ importers:
zod:
specifier: ^3.23.8
version: 3.23.8
+ zod-to-json-schema:
+ specifier: ^3.23.3
+ version: 3.23.3(zod@3.23.8)
devDependencies:
'@edge-runtime/vm':
specifier: ^4.0.3
@@ -6564,6 +6567,7 @@ packages:
eslint@8.57.0:
resolution: {integrity: sha512-dZ6+mexnaTIbSBZWgou51U6OmzIhYM2VcNdtiTtI7qPNZm35Akpr0f6vtw3w1Kmn5PYo+tZVfh13WrhpS6oLqQ==}
engines: {node: ^12.22.0 || ^14.17.0 || >=16.0.0}
+ deprecated: This version is no longer supported. Please see https://eslint.org/version-support for other options.
hasBin: true
eslint@9.10.0:
@@ -11623,6 +11627,11 @@ packages:
peerDependencies:
zod: ^3.23.3
+ zod-to-json-schema@3.23.3:
+ resolution: {integrity: sha512-TYWChTxKQbRJp5ST22o/Irt9KC5nj7CdBKYB/AosCRdj/wxEMvv4NNaj9XVUHDOIp53ZxArGhnw5HMZziPFjog==}
+ peerDependencies:
+ zod: ^3.23.3
+
zod@3.23.8:
resolution: {integrity: sha512-XBx9AXhXktjUqnepgTiE5flcKIYWi/rme0Eaj+5Y0lftuGBq+jyRu/md4WnuxqgP1ubdpNCsYEYPxrzVHD8d6g==}
@@ -19572,7 +19581,7 @@ snapshots:
eslint-import-resolver-node@0.3.9:
dependencies:
debug: 3.2.7
- is-core-module: 2.15.1
+ is-core-module: '@nolyfill/is-core-module@1.0.39'
resolve: 1.22.8
transitivePeerDependencies:
- supports-color
@@ -25943,6 +25952,10 @@ snapshots:
dependencies:
zod: 3.23.8
+ zod-to-json-schema@3.23.3(zod@3.23.8):
+ dependencies:
+ zod: 3.23.8
+
zod@3.23.8: {}
zwitch@2.0.4: {}