javascript - 如何将对象转换为具有键和值的数组？

Question

我一直在尝试使用来自 https://github.com/d-koppenhagen/angular-tag-cloud-module 的标签云模块我的数据对象是这样的:

{ "Speech": 4, "E-commerce": 1, "Meeting": 1, "Garena": 1 , "Silicon valley": 1}

根据模块的指南，数据数组应该像下面这样插入:

[ {text: "Speech", weight: 4}, {text: "E-commerce", weight: 1}, {text: "Meeting", weight: 1},{text: "Garena", weight: 1}, {text: "Sillicon valley", weight: 1}]

我的代码在下面，最近刚用 Typescript 编码，希望有人能给我提示!

 var post_tags: Array<string> = post['tags'];

      post_tags.forEach(element => {
        this.counts[element] = ( this.counts[element] || 0)+1;
        this.tags.push({
          text: Object.keys(this.counts),
          weight: this.counts[element]
        });           
      });

Answer 1

如果 post['tags'] 是:

{ "Speech": 4, "E-commerce": 1, "Meeting": 1, "Garena": 1 , "Silicon valley": 1 }

然后你需要做:

let normalized = [] as { text: string, weight: number }[];
Object.keys(post['tags']).forEach(tag => {
    normalized.push({ text: tag, weight: post['tags'][tag] });
});