Function getRawDeclarationValue

packages/css-data/src/parse-css.ts:642–651

(
  css: string,
  declaration: csstree.Declaration
)

};

const getRawDeclarationValue = (
  css: string,
  declaration: csstree.Declaration
) => {
  const loc = declaration.value.loc;
  if (loc === null) {
    return;
  }
  return css.slice(loc.start.offset, loc.end.offset).trim();
};

const normalizeCustomPropertyValue = (value: string) => {
  if (value === "") {