安装npm依赖项时出错：在'... ories“：{}，” dist“：{” in“附近进行解析时，JSON输入意外结束

Question

运行npm install时出现错误。来自debug.log的日志如下：

2644 silly saveTree +-- webfontloader@1.6.28
2644 silly saveTree `-- zone.js@0.8.26
2645 verbose stack SyntaxError: Unexpected end of JSON input while parsing near '...ories":{},"dist":{"in'
2645 verbose stack     at JSON.parse (<anonymous>)
2645 verbose stack     at parseJson (C:\Program Files\nodejs\node_modules\npm\node_modules\json-parse-better-errors\index.js:7:17)
2645 verbose stack     at consumeBody.call.then.buffer (C:\Program Files\nodejs\node_modules\npm\node_modules\node-fetch-npm\src\body.js:96:50)
2645 verbose stack     at process._tickCallback (internal/process/next_tick.js:68:7)

角度版本6.1.10

npm 6.4.1

节点10.10.0

Windows 10

package.json依赖项：

"@angular/animations": "6.1.10",
"@angular/cli": "~6.2.4",
"@angular/common": "6.1.10",
"@angular/compiler": "6.1.10",
"@angular/compiler-cli": "6.1.10",
"@angular/core": "6.1.10",
"@angular/forms": "6.1.10",
"@angular/http": "6.1.10",
"@angular/platform-browser": "6.1.10",
"@angular/platform-browser-dynamic": "6.1.10",
"@angular/router": "6.1.10",
"jest": "23.5.0",

任何使该工作正常进行的指针都将受到赞赏。

Answer 1

解决方法是清理npm-cache：

1. 我必须清理我的npm缓存，删除现有的npm-cache目录 来自C:\Users\username\AppData\Roaming。

   运行 npm cache clean --force

2. 我还必须设置npm config来使用http来代替https。

3. 从项目目录中删除node_modules。
4. 运行npm install以安装项目依赖项。