hyperformula/es/interpreter/plugin/SumprodPlugin.mjs

HyperFormula is a JavaScript engine for efficient processing of spreadsheet-like data and formulas

/**
 * @license
 * Copyright (c) 2025 Handsoncode. All rights reserved.
 */
import { CellError, ErrorType } from "../../Cell.mjs";
import { ErrorMessage } from "../../error-message.mjs";
import { getRawValue, isExtendedNumber } from "../InterpreterValue.mjs";
import { FunctionArgumentType, FunctionPlugin } from "./FunctionPlugin.mjs";
export class SumprodPlugin extends FunctionPlugin {
  sumproduct(ast, state) {
    return this.runFunction(ast.args, state, this.metadata('SUMPRODUCT'), (...args) => {
      const width = args[0].width();
      const height = args[0].height();
      for (const arg of args) {
        if (arg.width() !== width || arg.height() !== height) {
          return new CellError(ErrorType.VALUE, ErrorMessage.EqualLength);
        }
      }
      let ret = 0;
      const iterators = args.map(arg => arg.iterateValuesFromTopLeftCorner());
      for (let i = 0; i < width * height; i++) {
        let acc = 1;
        for (const it of iterators) {
          const val = it.next().value;
          if (val instanceof CellError) {
            return val;
          }
          const coercedVal = this.coerceScalarToNumberOrError(val);
          if (isExtendedNumber(coercedVal)) {
            acc *= getRawValue(coercedVal);
          } else {
            acc = 0;
          }
        }
        ret += acc;
      }
      return ret;
    });
  }
}
SumprodPlugin.implementedFunctions = {
  'SUMPRODUCT': {
    method: 'sumproduct',
    parameters: [{
      argumentType: FunctionArgumentType.RANGE
    }],
    repeatLastArgs: 1
  }
};