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- "use strict";
- Object.defineProperty(exports, "__esModule", { value: true });
- exports.ImagePromptValue = exports.ChatPromptValue = exports.StringPromptValue = exports.BasePromptValue = void 0;
- const serializable_js_1 = require("./load/serializable.cjs");
- const human_js_1 = require("./messages/human.cjs");
- const utils_js_1 = require("./messages/utils.cjs");
- /**
- * Base PromptValue class. All prompt values should extend this class.
- */
- class BasePromptValue extends serializable_js_1.Serializable {
- }
- exports.BasePromptValue = BasePromptValue;
- /**
- * Represents a prompt value as a string. It extends the BasePromptValue
- * class and overrides the toString and toChatMessages methods.
- */
- class StringPromptValue extends BasePromptValue {
- static lc_name() {
- return "StringPromptValue";
- }
- constructor(value) {
- super({ value });
- Object.defineProperty(this, "lc_namespace", {
- enumerable: true,
- configurable: true,
- writable: true,
- value: ["langchain_core", "prompt_values"]
- });
- Object.defineProperty(this, "lc_serializable", {
- enumerable: true,
- configurable: true,
- writable: true,
- value: true
- });
- Object.defineProperty(this, "value", {
- enumerable: true,
- configurable: true,
- writable: true,
- value: void 0
- });
- this.value = value;
- }
- toString() {
- return this.value;
- }
- toChatMessages() {
- return [new human_js_1.HumanMessage(this.value)];
- }
- }
- exports.StringPromptValue = StringPromptValue;
- /**
- * Class that represents a chat prompt value. It extends the
- * BasePromptValue and includes an array of BaseMessage instances.
- */
- class ChatPromptValue extends BasePromptValue {
- static lc_name() {
- return "ChatPromptValue";
- }
- constructor(fields) {
- if (Array.isArray(fields)) {
- // eslint-disable-next-line no-param-reassign
- fields = { messages: fields };
- }
- super(fields);
- Object.defineProperty(this, "lc_namespace", {
- enumerable: true,
- configurable: true,
- writable: true,
- value: ["langchain_core", "prompt_values"]
- });
- Object.defineProperty(this, "lc_serializable", {
- enumerable: true,
- configurable: true,
- writable: true,
- value: true
- });
- Object.defineProperty(this, "messages", {
- enumerable: true,
- configurable: true,
- writable: true,
- value: void 0
- });
- this.messages = fields.messages;
- }
- toString() {
- return (0, utils_js_1.getBufferString)(this.messages);
- }
- toChatMessages() {
- return this.messages;
- }
- }
- exports.ChatPromptValue = ChatPromptValue;
- /**
- * Class that represents an image prompt value. It extends the
- * BasePromptValue and includes an ImageURL instance.
- */
- class ImagePromptValue extends BasePromptValue {
- static lc_name() {
- return "ImagePromptValue";
- }
- constructor(fields) {
- if (!("imageUrl" in fields)) {
- // eslint-disable-next-line no-param-reassign
- fields = { imageUrl: fields };
- }
- super(fields);
- Object.defineProperty(this, "lc_namespace", {
- enumerable: true,
- configurable: true,
- writable: true,
- value: ["langchain_core", "prompt_values"]
- });
- Object.defineProperty(this, "lc_serializable", {
- enumerable: true,
- configurable: true,
- writable: true,
- value: true
- });
- Object.defineProperty(this, "imageUrl", {
- enumerable: true,
- configurable: true,
- writable: true,
- value: void 0
- });
- /** @ignore */
- Object.defineProperty(this, "value", {
- enumerable: true,
- configurable: true,
- writable: true,
- value: void 0
- });
- this.imageUrl = fields.imageUrl;
- }
- toString() {
- return this.imageUrl.url;
- }
- toChatMessages() {
- return [
- new human_js_1.HumanMessage({
- content: [
- {
- type: "image_url",
- image_url: {
- detail: this.imageUrl.detail,
- url: this.imageUrl.url,
- },
- },
- ],
- }),
- ];
- }
- }
- exports.ImagePromptValue = ImagePromptValue;
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