@tanstack/db-ivm/dist/cjs/operators/output.cjs

Incremental View Maintenance for TanStack DB based on Differential Dataflow

"use strict";
var __typeError = (msg) => {
  throw TypeError(msg);
};
var __accessCheck = (obj, member, msg) => member.has(obj) || __typeError("Cannot " + msg);
var __privateGet = (obj, member, getter) => (__accessCheck(obj, member, "read from private field"), getter ? getter.call(obj) : member.get(obj));
var __privateAdd = (obj, member, value) => member.has(obj) ? __typeError("Cannot add the same private member more than once") : member instanceof WeakSet ? member.add(obj) : member.set(obj, value);
var __privateSet = (obj, member, value, setter) => (__accessCheck(obj, member, "write to private field"), setter ? setter.call(obj, value) : member.set(obj, value), value);
var _fn;
Object.defineProperty(exports, Symbol.toStringTag, { value: "Module" });
const graph = require("../graph.cjs");
const d2 = require("../d2.cjs");
class OutputOperator extends graph.UnaryOperator {
  constructor(id, inputA, outputWriter, fn) {
    super(id, inputA, outputWriter);
    __privateAdd(this, _fn);
    __privateSet(this, _fn, fn);
  }
  run() {
    for (const message of this.inputMessages()) {
      __privateGet(this, _fn).call(this, message);
      this.output.sendData(message);
    }
  }
}
_fn = new WeakMap();
function output(fn) {
  return (stream) => {
    const outputStream = new d2.StreamBuilder(
      stream.graph,
      new graph.DifferenceStreamWriter()
    );
    const operator = new OutputOperator(
      stream.graph.getNextOperatorId(),
      stream.connectReader(),
      outputStream.writer,
      fn
    );
    stream.graph.addOperator(operator);
    stream.graph.addStream(outputStream.connectReader());
    return outputStream;
  };
}
exports.OutputOperator = OutputOperator;
exports.output = output;
//# sourceMappingURL=output.cjs.map