refactor: image64Helper.ts
をbase64Helper.ts
へリファクタリング
#2080
Merged
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内容
現在Base64デコードにbufferを使用していますがこのためだけに使うのは無駄が多い気がします。
これをブラウザに実装されているatob()を使用した実装に置き換えます。
その他
Buffer
のBase64デコード処理は正規表現を使っているっぽいがatob()
はブラウザネイティブの処理で若干速度が向上している?