All files / builder allocator.ts

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100% Branches 6/6
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100% Lines 27/27

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import type { Range, Percentage } from "@featurevisor/types";
 
export function getAllocation(availableRanges: Range[], fill: Percentage): Range[] {
  const result: Range[] = [];
 
  let remaining = fill;
  let i = 0;
  while (remaining > 0 && i < availableRanges.length) {
    const range = availableRanges[i];
    const [start, end] = range;
 
    const rangeFill = Math.min(remaining, end - start);
    result.push([start, start + rangeFill]);
    remaining -= rangeFill;
    i++;
  }
 
  return result;
}
 
export function getUpdatedAvailableRangesAfterFilling(
  availableRanges: Range[],
  fill: Percentage,
): Range[] {
  if (fill === 0) {
    return availableRanges;
  }
 
  const result: Range[] = [];
 
  let remaining = fill;
  let i = 0;
  while (remaining > 0 && i < availableRanges.length) {
    const range = availableRanges[i];
    const [start, end] = range;
    const rangeFill = Math.min(remaining, end - start);
    if (rangeFill < end - start) {
      result.push([start + rangeFill, end]);
    }
    remaining -= rangeFill;
    i++;
  }
 
  return result;
}