Electron：运行npm run build构建环境失败解决方案

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作者:请给我一杯冰可乐

摘要

从GitLab上拉取项目代码后，运行命令npm run build构建electron打包环境时，由于某些原因（可能被某些墙阻止等），构建环境失败，出现超时错误。错误代码如下：

错误代码段引用自：https://segmentfault.com/q/1010000022013746

• electron-builder  version=21.2.0 os=10.0.18363
  • loaded configuration  file=package.json ("build" field)
  • writing effective config  file=releasebuilder-effective-config.yaml
  • installing production dependencies  platform=win32 arch=x64 appDir=D:jobselectronpc-chatdist
  • packaging       platform=win32 arch=x64 electron=4.2.12 appOutDir=releasewin-unpacked
  • downloading     url=https://github.com/electron-userland/electron-builder-binaries/releases/download/winCodeSign-2.5.0/winCodeSign-2.5.0.7z size=5.6 MB parts=1
  • retrying        attempt=1
  • retrying        attempt=2
  • retrying        attempt=3
  ⨯ part download request failed with status code 403
github.com/develar/app-builder/pkg/download.(*Part).doRequest
        /Volumes/data/Documents/app-builder/pkg/download/Part.go:126
github.com/develar/app-builder/pkg/download.(*Part).download
        /Volumes/data/Documents/app-builder/pkg/download/Part.go:67
github.com/develar/app-builder/pkg/download.(*Downloader).DownloadResolved.func1.1
        /Volumes/data/Documents/app-builder/pkg/download/downloader.go:107
github.com/develar/app-builder/pkg/util.MapAsyncConcurrency.func2
        /Volumes/data/Documents/app-builder/pkg/util/async.go:68
runtime.goexit
        /usr/local/Cellar/go/1.12.7/libexec/src/runtime/asm_amd64.s:1337
  ⨯ D:jobselectronpc-chatnode_modules_app-builder-bin@3.4.3@app-builder-binwinx64app-builder.exe exited with code ERR_ELECTRON_BUILDER_CANNOT_EXECUTE  stackTrace=

解决方案

为了更好更快的解决构建环境问题，需要我们手动下载好electron环境的压缩资源包等，构建好的打包缓存环境（存放手动下载资源包前，优先清除cache的缓存记录）。

方案具体步骤

1. 清除electron和electron-builder的cache缓存记录（删除文件夹中旧的缓存资源包）。
- eledtron缓存资源地址：~/AppData/Local/electron/Cache
- electron-builder缓存资源地址：~/AppData/Local/electron-builder/Cache
1. 根据错误提示一步一步的手动下载资源包（资源包版本直接下载当前提示的可用版本，具体类似下图所示下载链接）。
下载好缓存资源包后，存储到对应的cache文件中。
- electron文件存储方式：
- electron-builder文件存储方式：
- nsis文件存储方式：
- winCodeSign存储方式：
1. 重新运行命令npm run build