Add the TypeScript code and docs for Chapter of Hash Map #113

[danielsss]

Added typescript Hash Map

Checklist

• [x] I've tested the code and ensured the outputs are the same as the outputs of reference codes.
• [x] I've checked the codes (formatting, comments, indentation, file header, etc) carefully.
• [x] The code does not rely on a particular environment or IDE and can be run on a standard system (Win, MacOS, Ubuntu).

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1 Ignored Deployment

Name	Status	Preview	Updated
hello-algo	⬜️ Ignored (Inspect)		Dec 26, 2022 at 3:12PM (UTC)

[danielsss]

Thank @danielsss for the contribution! Please address the comments.

Hi @krahets, All the issues that you mentioned above have been addressed.

[danielsss]

Thanks for the update! Several comments are to be addressed. Additionally, the hash_map.ts file is lost, which is designed to introduce the built-in HashMap.

Thanks for your review. The issues are resolved and totally implemented according to the original Typescript syntax.

[danielsss]

Thank you! @danielsss I see you are using deno to test but you should know that deno has skipped type-checking by default. You could see the article: denoland/deno#11340 If you use deno to test, you need to use the --check option

 deno run --check  xxxxxx.ts

Or you could use ts-node to test. And then you will see the type error message, please make sure you could pass it.

@justin-tse All the type checks have been resolved, and now it can be passed by --check.