Function extend

modules/tinymce/src/core/main/ts/api/util/Tools.ts:111–124

(obj: any, ...exts: any[])

const hasOwnProperty = Obj.has;

const extend = (obj: any, ...exts: any[]): any => {
  for (let i = 0; i < exts.length; i++) {
    const ext = exts[i];
    for (const name in ext) {
      if (Obj.has(ext, name)) {
        const value = ext[name];
        if (value !== undefined) {
          obj[name] = value;
        }
      }
    }
  }
  return obj;
};

/**
 * Executed the specified function for each item in a object tree.