{"provider_url":"https://hatena.blog","image_url":null,"categories":[],"author_name":"TAMA_CHAN","published":"2021-01-05 14:52:59","blog_url":"https://tama-chan.hatenadiary.jp/","url":"https://tama-chan.hatenadiary.jp/entry/2021/01/05/145259","width":"100%","author_url":"https://blog.hatena.ne.jp/TAMA_CHAN/","title":"canvas.getContext('2d')\u3092jest\u3059\u308b","description":"\u6982\u8981 canvas.getContext('2d')\u304c\u4f7f\u308f\u308c\u3066\u3044\u308b\u30d5\u30a1\u30a4\u30eb\u3092jest\u3059\u308b\u65b9\u6cd5\u3092\u4e0b\u8a18\u306b\u8a18\u8f09\u3057\u307e\u3059\u3002 \u4e0b\u8a18\u306e\u3088\u3046\u306a\u30b3\u30fc\u30c9\u3092jest\u5b9f\u884c\u6642\u306b\u52d5\u304b\u305b\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002 this.canvas = document.getElementById('gray-scot-model-canvas') as HTMLCanvasElement const ctx = this.canvas.getContext('2d') \u74b0\u5883 @vue/cli 4.5.9 \u30ea\u30dd\u30b8\u30c8\u30ea github.com canvasMock.js\u306e\u4f5c\u6210 jest\u3092\u8d70\u3089\u305b\u308b\u6642\u306b\u4f7f\u3046canvas\u95a2\u9023\u306emock\u3092\u4f5c\u308a\u307e\u3059\u3002 \u4eca\u56de\u2026","type":"rich","blog_title":"Kashiwara0205","provider_name":"Hatena Blog","version":"1.0","height":"190","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ftama-chan.hatenadiary.jp%2Fentry%2F2021%2F01%2F05%2F145259\" title=\"canvas.getContext(&#39;2d&#39;)\u3092jest\u3059\u308b - Kashiwara0205\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>"}