@langchain/langgraph/dist/channels/any_value.cjs.map

LangGraph

{"version":3,"file":"any_value.cjs","names":["BaseChannel","EmptyChannelError"],"sources":["../../src/channels/any_value.ts"],"sourcesContent":["import { EmptyChannelError } from \"../errors.js\";\nimport { BaseChannel } from \"./base.js\";\n\n/**\n * Stores the last value received, assumes that if multiple values are received, they are all equal.\n *\n * Note: Unlike 'LastValue' if multiple nodes write to this channel in a single step, the values\n * will be continuously overwritten.\n */\nexport class AnyValue<Value> extends BaseChannel<Value, Value, Value> {\n  lc_graph_name = \"AnyValue\";\n\n  // value is an array so we don't misinterpret an update to undefined as no write\n  value: [Value] | [] = [];\n\n  constructor() {\n    super();\n  }\n\n  fromCheckpoint(checkpoint?: Value) {\n    const empty = new AnyValue<Value>();\n    if (typeof checkpoint !== \"undefined\") {\n      empty.value = [checkpoint];\n    }\n    return empty as this;\n  }\n\n  update(values: Value[]): boolean {\n    if (values.length === 0) {\n      const updated = this.value.length > 0;\n      this.value = [];\n      return updated;\n    }\n\n    // eslint-disable-next-line prefer-destructuring\n    this.value = [values[values.length - 1]];\n    return false;\n  }\n\n  get(): Value {\n    if (this.value.length === 0) {\n      throw new EmptyChannelError();\n    }\n    return this.value[0];\n  }\n\n  checkpoint(): Value {\n    if (this.value.length === 0) {\n      throw new EmptyChannelError();\n    }\n    return this.value[0];\n  }\n\n  isAvailable(): boolean {\n    return this.value.length !== 0;\n  }\n}\n"],"mappings":";;;;;;;;;;AASA,IAAa,WAAb,MAAa,iBAAwBA,yBAAiC;CACpE,gBAAgB;CAGhB,QAAsB;CAEtB,cAAc;AACZ;;CAGF,eAAe,YAAoB;EACjC,MAAM,QAAQ,IAAI;AAClB,MAAI,OAAO,eAAe,YACxB,OAAM,QAAQ,CAAC;AAEjB,SAAO;;CAGT,OAAO,QAA0B;AAC/B,MAAI,OAAO,WAAW,GAAG;GACvB,MAAM,UAAU,KAAK,MAAM,SAAS;AACpC,QAAK,QAAQ;AACb,UAAO;;AAIT,OAAK,QAAQ,CAAC,OAAO,OAAO,SAAS;AACrC,SAAO;;CAGT,MAAa;AACX,MAAI,KAAK,MAAM,WAAW,EACxB,OAAM,IAAIC;AAEZ,SAAO,KAAK,MAAM;;CAGpB,aAAoB;AAClB,MAAI,KAAK,MAAM,WAAW,EACxB,OAAM,IAAIA;AAEZ,SAAO,KAAK,MAAM;;CAGpB,cAAuB;AACrB,SAAO,KAAK,MAAM,WAAW"}