Function opDelete

packages/cli/src/util/dev/transforms.ts:399–419

(
  data: TransformData,
  matchedKeys: string[],
  args: string | string[] | undefined,
  isHeader: boolean
)

}

function opDelete(
  data: TransformData,
  matchedKeys: string[],
  args: string | string[] | undefined,
  isHeader: boolean
) {
  if (args == null) {
    for (const key of matchedKeys) {
      delete data[key];
    }
    return;
  }

  const patterns = typeof args === 'string' ? [args] : args;
  for (const key of matchedKeys) {
    const kept = toValueList(data[key], isHeader).filter(
      value => !patterns.some(pattern => matchesRule(value, pattern))
    );
    setTransformValue(data, key, fromValueList(kept));
  }
}

function toValueList(value: TransformValue, isHeader: boolean): string[] {
  if (value === undefined) {