Function recur

compiler/packages/react-compiler-runtime/src/index.ts:269–415

(oldValue: any, newValue: any, path: string, depth: number)

  }
  const depthLimit = 2;
  function recur(oldValue: any, newValue: any, path: string, depth: number) {
    if (depth > depthLimit) {
      return;
    } else if (oldValue === newValue) {
      return;
    } else if (typeof oldValue !== typeof newValue) {
      error(`type ${typeof oldValue}`, `type ${typeof newValue}`, path, depth);
    } else if (typeof oldValue === 'object') {
      const oldArray = Array.isArray(oldValue);
      const newArray = Array.isArray(newValue);
      if (oldValue === null && newValue !== null) {
        error('null', `type ${typeof newValue}`, path, depth);
      } else if (newValue === null) {
        error(`type ${typeof oldValue}`, 'null', path, depth);
      } else if (oldValue instanceof Map) {
        if (!(newValue instanceof Map)) {
          error(`Map instance`, `other value`, path, depth);
        } else if (oldValue.size !== newValue.size) {
          error(
            `Map instance with size ${oldValue.size}`,
            `Map instance with size ${newValue.size}`,
            path,
            depth,
          );
        } else {
          for (const [k, v] of oldValue) {
            if (!newValue.has(k)) {
              error(
                `Map instance with key ${k}`,
                `Map instance without key ${k}`,
                path,
                depth,
              );
            } else {
              recur(v, newValue.get(k), `${path}.get(${k})`, depth + 1);
            }
          }
        }
      } else if (newValue instanceof Map) {
        error('other value', `Map instance`, path, depth);
      } else if (oldValue instanceof Set) {
        if (!(newValue instanceof Set)) {
          error(`Set instance`, `other value`, path, depth);
        } else if (oldValue.size !== newValue.size) {
          error(
            `Set instance with size ${oldValue.size}`,
            `Set instance with size ${newValue.size}`,
            path,
            depth,
          );
        } else {
          for (const v of newValue) {
            if (!oldValue.has(v)) {
              error(
                `Set instance without element ${v}`,
                `Set instance with element ${v}`,
                path,
                depth,