Function buildFormattingOptions

src/cm/lsp/clientManager.ts:1249–1276

(
  view: EditorView,
  overrides: FormattingOptions = {},
)

}

function buildFormattingOptions(
  view: EditorView,
  overrides: FormattingOptions = {},
): FormattingOptions {
  const state = view?.state;
  if (!state) return { ...overrides };

  const unitValue = state.facet(indentUnit);
  const unit =
    typeof unitValue === "string" && unitValue.length
      ? unitValue
      : String(unitValue ?? "\t");
  let tabSize = getIndentUnit(state);
  if (
    typeof tabSize !== "number" ||
    !Number.isFinite(tabSize) ||
    tabSize <= 0
  ) {
    tabSize = resolveIndentWidth(unit);
  }
  const insertSpaces = !unit.includes("\t");

  return {
    tabSize,
    insertSpaces,
    ...overrides,
  };
}

function resolveIndentWidth(unit: string): number {
  if (typeof unit !== "string" || !unit.length) return 4;