postcss-calc/src/lib/opaque.js

PostCSS plugin to reduce calc()

/** @typedef {import('./node.js').Node} Node */
/** @typedef {import('./node.js').OpaqueComponent} OpaqueComponent */

/** @param {OpaqueComponent[]} components @param {(node: Node) => Node} simplify @return {OpaqueComponent[]} */
function simplifyComponents(components, simplify) {
  return components.map((part) => {
    if (typeof part === 'string') return part;
    if (Array.isArray(part)) return simplifyComponents(part, simplify);
    return simplify(part);
  });
}
/** @param {OpaqueComponent[]} components @param {string[]} buffer @param {(node: Node, buffer: string[]) => void} serialize @return {void} */
function serializeComponents(components, buffer, serialize) {
  for (const part of components) {
    if (typeof part === 'string') buffer.push(part);
    else if (Array.isArray(part)) serializeComponents(part, buffer, serialize);
    else serialize(part, buffer);
  }
}
export { simplifyComponents, serializeComponents };