Function assignReplayMetadataValue

src/replay/script.ts:170–184

(
  metadata: ReplayScriptMetadata,
  key: Key,
  value: NonNullable<ReplayScriptMetadata[Key]>,
)

}

function assignReplayMetadataValue<Key extends keyof ReplayScriptMetadata>(
  metadata: ReplayScriptMetadata,
  key: Key,
  value: NonNullable<ReplayScriptMetadata[Key]>,
): void {
  const previous = metadata[key];
  if (previous !== undefined) {
    const duplicateMessage =
      previous === value
        ? `Duplicate replay test metadata "${key}" in context header.`
        : `Conflicting replay test metadata "${key}" in context header: ${String(previous)} vs ${String(value)}.`;
    throw new AppError('INVALID_ARGS', duplicateMessage);
  }
  metadata[key] = value as ReplayScriptMetadata[Key];
}

// fallow-ignore-next-line complexity
function parseReplayScriptLine(line: string): SessionAction | null {