feat: Add TypeScript support

[yenshih]

相关 ISSUE: （ISSUE 链接地址）

1、升级点 （清晰准确的描述升级的功能点）

2、影响范围 （描述该需求上线会影响什么功能）

3、自测 Checklist

4、需要覆盖的场景和 Case

• 是否覆盖了 sf 打开 MIP 页
• 是否验证了极速服务 MIP 页面效果

5、自测机型和浏览器

• 是否覆盖了 iOS 系统手机
• 是否覆盖了 Android 系统手机
• 是否覆盖了 iPhone 版式浏览器（比如 QQ、UC、Chrome、Safari、安卓自带浏览器）
• 是否覆盖了手百

[coveralls]

Pull Request Test Coverage Report for Build 1237

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 5 unchanged lines in 1 file lost coverage.
• Overall coverage decreased (-0.002%) to 94.436%

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Files with Coverage Reduction	New Missed Lines	%
src/page/index.js	5	93.41%

Totals
Change from base Build 1234:	-0.002%
Covered Lines:	3890
Relevant Lines:	4030

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💛 - Coveralls

[coveralls]

Pull Request Test Coverage Report for Build 1269

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 5 unchanged lines in 1 file lost coverage.
• Overall coverage decreased (-0.002%) to 94.436%

---

Files with Coverage Reduction	New Missed Lines	%
src/page/index.js	5	93.41%

Totals
Change from base Build 1234:	-0.002%
Covered Lines:	3890
Relevant Lines:	4030

---

💛 - Coveralls

[mipengine-bot]

This pull request fixes 1 alert when merging bcef2f4 into 838bac2 - view on LGTM.com

fixed alerts:

• 1 for Unused variable, import, function or class

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Comment posted by LGTM.com