feat: add isolated-vm binary mirror config

[iola1999]

close #68.
等 cnpm/cnpmcore#977 镜像生效后再合并这个。

Summary by CodeRabbit

• Chores
  • Added environment variable mapping for isolated-vm binary hosting configuration
  • Updated test configuration to validate new environment variable setup

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

Configuration used: defaults

Review profile: CHILL

Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 4124598 and 0a9fb9d.

📒 Files selected for processing (2)

• package.json
• test/index.test.js

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📝 Walkthrough

Walkthrough

This pull request adds support for isolated-vm binary mirror configuration by introducing a new environment variable mapping in the npm mirrors configuration. The same environment variable is added to corresponding test cases to maintain test coverage consistency.

Changes

Cohort / File(s)	Summary
Environment Variable Configuration package.json	Added npm_config_isolated_vm_binary_host environment variable mapping to the China mirrors configuration, pointing to the npmmirror CDN for isolated-vm prebuilt binaries.
Test Updates test/index.test.js	Added corresponding npm_config_isolated_vm_binary_host environment variable entry to three test blocks to align test snapshots with the new configuration.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~8 minutes

Possibly related PRs

• feat: add env for gl@8 #55: Similar mirror configuration addition for another binary package (gl), following the same pattern of adding npm_config_*_binary_host entries to package.json and test files.

Suggested labels

enhancement

Suggested reviewers

• fengmk2
• killagu

Poem

🐰 A mirror so bright for isolated-vm,
The rabbit hops quickly, completing the trim!
npm_config now points to the CDN so fast,
Test snapshots all matching at last! ✨

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title accurately describes the main change: adding an isolated-vm binary mirror configuration to the mirrors configuration.
Linked Issues check	✅ Passed	The PR fulfills the requirement in issue #68 to add mirror configuration for isolated-vm prebuilt artifacts.
Out of Scope Changes check	✅ Passed	All changes are scoped to adding isolated-vm binary mirror configuration as requested in issue #68; no unrelated modifications detected.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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[gemini-code-assist]

Summary of Changes

Hello @iola1999, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

此拉取请求通过引入 isolated-vm 模块的专用二进制镜像配置，旨在提升该模块在项目中的安装效率和稳定性。这一改动有助于解决在特定网络环境下，直接从官方源下载二进制文件可能遇到的连接或速度问题，从而简化开发流程。

Highlights

• 新增 isolated-vm 二进制镜像配置: 在 package.json 中添加了 isolated-vm 模块的二进制文件镜像配置，将其指向 https://cdn.npmmirror.com/binaries/isolated-vm，以优化其安装过程。

Changelog

• package.json
  • 新增了 npm_config_isolated_vm_binary_host 配置项，用于指定 isolated-vm 模块的二进制文件下载源。

Activity

• 此拉取请求关闭了 issue 请求为 isolated-vm 预构建产物添加镜像 #68。
• 此拉取请求的合并依赖于 cnpmcore 仓库中 PR #977 的镜像生效。

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[gemini-code-assist]

Code Review

此拉取请求为 isolated-vm 添加了二进制镜像配置。这是一个有益的补充。然而，我发现了一些问题：首先，相关的测试用例没有更新，这将导致持续集成（CI）失败。其次，为了提高代码的可维护性，建议对 package.json 中 npm_config_* 相关的配置项进行字母排序。