feat: support get environment context via environment API

[9aoy]

Summary

support get environment context via environment API.

https://rsbuild.rs/api/javascript-api/environment-api#environment-context

const { distPath, config, manifest } = environments.web.context;

console.log(distPath, config, manifest.entries);

Related Links

Checklist

• Tests updated (or not required).
• Documentation updated (or not required).

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[Copilot]

Pull Request Overview

This PR adds support for retrieving the build manifest via the Environment API by introducing a new getManifest method, updating type definitions and docs, and covering it in an end-to-end test.

• Introduces getManifest in EnvironmentAPI types and implements it in the dev server
• Updates both Chinese and English docs with usage examples and API details
• Adds an E2E test to verify manifest retrieval via the Environment API

Reviewed Changes

Copilot reviewed 8 out of 8 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
website/docs/zh/config/output/manifest.mdx	Mention Environment API for manifest access
website/docs/en/config/output/manifest.mdx	Mention Environment API for manifest access
website/docs/zh/api/javascript-api/environment-api.mdx	Add getManifest API docs and type signature (Chinese)
website/docs/en/api/javascript-api/environment-api.mdx	Add getManifest API docs and type signature (English)
packages/core/src/types/hooks.ts	Reference Environment API in manifest context comments
packages/core/src/types/config.ts	Add getManifest to EnvironmentAPI type
packages/core/src/server/devServer.ts	Implement getManifest method in dev server
e2e/cases/output/manifest-environment/index.test.ts	E2E test for getManifest

[chenjiahan]

Can we use the plugin hooks to get the manifest?

See: https://rsbuild.rs/api/javascript-api/environment-api#manifest

[9aoy]

Can we use the plugin hooks to get the manifest?

See: https://rsbuild.rs/api/javascript-api/environment-api#manifest

If we want to use plugin hooks in devServer to get webManifest, the example is as follows, which is not very convenient.

let webManifest;
api.onDevCompileDone(({ environments }) => {
  webManifest = environments.web.manifest;
});

// ...
const { } = webManifest;

[chenjiahan]

Since the manifest is already in the environment context, we can expose the environment context instead of adding APIs for each context property.

const { manifest } = await environments.web.context;

console.log(manifest?.entries);

[9aoy]

Since the manifest is already in the environment context, we can expose the environment context instead of adding APIs for each context property.

const { manifest } = await environments.web.context;

console.log(manifest?.entries);

It's also great to get manifest through context, do you mean rsbuild.context.environments ?

https://rsbuild.rs/api/javascript-api/instance#rsbuildcontext