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unicorn/prefer-blob-reading-methods Pedantic

🚧 An auto-fix is planned for this rule, but not implemented at this time.

它的作用

建议使用 Blob#text()Blob#arrayBuffer(),而不是 FileReader#readAsText()FileReader#readAsArrayBuffer()

为什么这不好?

FileReader 早于 Promise 出现,而更新的 Blob#arrayBuffer()Blob#text() 方法更加简洁,也更易于使用。

示例

以下是此规则的错误代码示例:

javascript
async function bad() {
  const arrayBuffer = await new Promise((resolve, reject) => {
    const fileReader = new FileReader();
    fileReader.addEventListener("load", () => {
      resolve(fileReader.result);
    });
    fileReader.addEventListener("error", () => {
      reject(fileReader.error);
    });
    fileReader.readAsArrayBuffer(blob);
  });
}

以下是此规则的正确代码示例:

javascript
async function good() {
  const arrayBuffer = await blob.arrayBuffer();
}

如何使用

To enable this rule using the config file or in the CLI, you can use:

json
{
  "rules": {
    "unicorn/prefer-blob-reading-methods": "error"
  }
}
ts
import { defineConfig } from "oxlint";

export default defineConfig({
  rules: {
    "unicorn/prefer-blob-reading-methods": "error",
  },
});
bash
oxlint --deny unicorn/prefer-blob-reading-methods

版本

此规则于 v0.0.16 中添加。

参考资料