@zag-js/splitter/dist/utils/validate-sizes.mjs

Core logic for the splitter widget implemented as a state machine

import "../chunk-QZ7TP4HQ.mjs";

// src/utils/validate-sizes.ts
import { ensure } from "@zag-js/utils";
import { fuzzyNumbersEqual } from "./fuzzy.mjs";
import { resizePanel } from "./resize-panel.mjs";
function validateSizes({ size: prevSize, panels }) {
  const nextSize = [...prevSize];
  const nextSizeTotalSize = nextSize.reduce((accumulated, current) => accumulated + current, 0);
  if (nextSize.length !== panels.length) {
    throw Error(`Invalid ${panels.length} panel size: ${nextSize.map((size) => `${size}%`).join(", ")}`);
  } else if (!fuzzyNumbersEqual(nextSizeTotalSize, 100) && nextSize.length > 0) {
    for (let index = 0; index < panels.length; index++) {
      const unsafeSize = nextSize[index];
      ensure(unsafeSize, () => `No size data found for index ${index}`);
      const safeSize = 100 / nextSizeTotalSize * unsafeSize;
      nextSize[index] = safeSize;
    }
  }
  let remainingSize = 0;
  for (let index = 0; index < panels.length; index++) {
    const unsafeSize = nextSize[index];
    ensure(unsafeSize, () => `No size data found for index ${index}`);
    const safeSize = resizePanel({ panels, index, size: unsafeSize });
    if (unsafeSize != safeSize) {
      remainingSize += unsafeSize - safeSize;
      nextSize[index] = safeSize;
    }
  }
  if (!fuzzyNumbersEqual(remainingSize, 0)) {
    for (let index = 0; index < panels.length; index++) {
      const prevSize2 = nextSize[index];
      ensure(prevSize2, () => `No size data found for index ${index}`);
      const unsafeSize = prevSize2 + remainingSize;
      const safeSize = resizePanel({ panels, index, size: unsafeSize });
      if (prevSize2 !== safeSize) {
        remainingSize -= safeSize - prevSize2;
        nextSize[index] = safeSize;
        if (fuzzyNumbersEqual(remainingSize, 0)) {
          break;
        }
      }
    }
  }
  return nextSize;
}
export {
  validateSizes
};