Files
ai-course/node_modules/eslint-plugin-jest/docs/rules/prefer-to-have-length.md
KQL ce6aa207e9 fix: 修复图片路径以适配GitHub Pages base path
- 将所有图片路径从绝对路径改为使用 process.env.PUBLIC_URL
- 修复 HomePage.tsx 中所有图片引用
- 修复 CoursePage.tsx 中所有图片引用
- 确保图片在 GitHub Pages 上正确加载

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Co-Authored-By: Claude <noreply@anthropic.com>
2025-11-04 09:24:45 +08:00

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# Suggest using `toHaveLength()` (`prefer-to-have-length`)
In order to have a better failure message, `toHaveLength()` should be used upon
asserting expectations on objects length property.
## Rule details
This rule triggers a warning if `toBe()`, `toEqual()` or `toStrictEqual()` is
used to assert objects length property.
```js
expect(files.length).toBe(1);
```
This rule is enabled by default.
### Default configuration
The following patterns are considered warnings:
```js
expect(files.length).toBe(1);
expect(files.length).toEqual(1);
expect(files.length).toStrictEqual(1);
```
The following pattern is not warning:
```js
expect(files).toHaveLength(1);
```