@langchain/langgraph
Version:
LangGraph
196 lines • 6.45 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.getSubgraphsSeenSet = exports.RemoteException = exports.UnreachableNodeError = exports.MultipleSubgraphsError = exports.InvalidUpdateError = exports.EmptyChannelError = exports.EmptyInputError = exports.ParentCommand = exports.NodeInterrupt = exports.GraphInterrupt = exports.GraphValueError = exports.GraphRecursionError = exports.GraphBubbleUp = exports.BaseLangGraphError = void 0;
exports.isParentCommand = isParentCommand;
exports.isGraphBubbleUp = isGraphBubbleUp;
exports.isGraphInterrupt = isGraphInterrupt;
// TODO: Merge with base LangChain error class when we drop support for core@0.2.0
class BaseLangGraphError extends Error {
constructor(message, fields) {
let finalMessage = message ?? "";
if (fields?.lc_error_code) {
finalMessage = `${finalMessage}\n\nTroubleshooting URL: https://langchain-ai.github.io/langgraphjs/troubleshooting/errors/${fields.lc_error_code}/\n`;
}
super(finalMessage);
Object.defineProperty(this, "lc_error_code", {
enumerable: true,
configurable: true,
writable: true,
value: void 0
});
this.lc_error_code = fields?.lc_error_code;
}
}
exports.BaseLangGraphError = BaseLangGraphError;
class GraphBubbleUp extends BaseLangGraphError {
get is_bubble_up() {
return true;
}
}
exports.GraphBubbleUp = GraphBubbleUp;
class GraphRecursionError extends BaseLangGraphError {
constructor(message, fields) {
super(message, fields);
this.name = "GraphRecursionError";
}
static get unminifiable_name() {
return "GraphRecursionError";
}
}
exports.GraphRecursionError = GraphRecursionError;
class GraphValueError extends BaseLangGraphError {
constructor(message, fields) {
super(message, fields);
this.name = "GraphValueError";
}
static get unminifiable_name() {
return "GraphValueError";
}
}
exports.GraphValueError = GraphValueError;
class GraphInterrupt extends GraphBubbleUp {
constructor(interrupts, fields) {
super(JSON.stringify(interrupts, null, 2), fields);
Object.defineProperty(this, "interrupts", {
enumerable: true,
configurable: true,
writable: true,
value: void 0
});
this.name = "GraphInterrupt";
this.interrupts = interrupts ?? [];
}
static get unminifiable_name() {
return "GraphInterrupt";
}
}
exports.GraphInterrupt = GraphInterrupt;
/** Raised by a node to interrupt execution. */
class NodeInterrupt extends GraphInterrupt {
// eslint-disable-next-line @typescript-eslint/no-explicit-any
constructor(message, fields) {
super([
{
value: message,
when: "during",
},
], fields);
this.name = "NodeInterrupt";
}
static get unminifiable_name() {
return "NodeInterrupt";
}
}
exports.NodeInterrupt = NodeInterrupt;
class ParentCommand extends GraphBubbleUp {
constructor(command) {
super();
Object.defineProperty(this, "command", {
enumerable: true,
configurable: true,
writable: true,
value: void 0
});
this.name = "ParentCommand";
this.command = command;
}
static get unminifiable_name() {
return "ParentCommand";
}
}
exports.ParentCommand = ParentCommand;
function isParentCommand(e) {
return (e !== undefined &&
e.name === ParentCommand.unminifiable_name);
}
function isGraphBubbleUp(e) {
return e !== undefined && e.is_bubble_up === true;
}
function isGraphInterrupt(e) {
return (e !== undefined &&
[
GraphInterrupt.unminifiable_name,
NodeInterrupt.unminifiable_name,
].includes(e.name));
}
class EmptyInputError extends BaseLangGraphError {
constructor(message, fields) {
super(message, fields);
this.name = "EmptyInputError";
}
static get unminifiable_name() {
return "EmptyInputError";
}
}
exports.EmptyInputError = EmptyInputError;
class EmptyChannelError extends BaseLangGraphError {
constructor(message, fields) {
super(message, fields);
this.name = "EmptyChannelError";
}
static get unminifiable_name() {
return "EmptyChannelError";
}
}
exports.EmptyChannelError = EmptyChannelError;
class InvalidUpdateError extends BaseLangGraphError {
constructor(message, fields) {
super(message, fields);
this.name = "InvalidUpdateError";
}
static get unminifiable_name() {
return "InvalidUpdateError";
}
}
exports.InvalidUpdateError = InvalidUpdateError;
/**
* @deprecated This exception type is no longer thrown.
*/
class MultipleSubgraphsError extends BaseLangGraphError {
constructor(message, fields) {
super(message, fields);
this.name = "MultipleSubgraphError";
}
static get unminifiable_name() {
return "MultipleSubgraphError";
}
}
exports.MultipleSubgraphsError = MultipleSubgraphsError;
class UnreachableNodeError extends BaseLangGraphError {
constructor(message, fields) {
super(message, fields);
this.name = "UnreachableNodeError";
}
static get unminifiable_name() {
return "UnreachableNodeError";
}
}
exports.UnreachableNodeError = UnreachableNodeError;
/**
* Exception raised when an error occurs in the remote graph.
*/
class RemoteException extends BaseLangGraphError {
constructor(message, fields) {
super(message, fields);
this.name = "RemoteException";
}
static get unminifiable_name() {
return "RemoteException";
}
}
exports.RemoteException = RemoteException;
/**
* Used for subgraph detection.
*/
const getSubgraphsSeenSet = () => {
if (
// eslint-disable-next-line @typescript-eslint/no-explicit-any
globalThis[Symbol.for("LG_CHECKPOINT_SEEN_NS_SET")] === undefined) {
// eslint-disable-next-line @typescript-eslint/no-explicit-any
globalThis[Symbol.for("LG_CHECKPOINT_SEEN_NS_SET")] = new Set();
}
// eslint-disable-next-line @typescript-eslint/no-explicit-any
return globalThis[Symbol.for("LG_CHECKPOINT_SEEN_NS_SET")];
};
exports.getSubgraphsSeenSet = getSubgraphsSeenSet;
//# sourceMappingURL=errors.js.map