yangpei
4 years ago
6 changed files with 116 additions and 13 deletions
@ -0,0 +1,49 @@ |
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import axios from 'axios'; |
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import { safeGet } from './index'; |
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const regex = /import\s([\s\S]*?)\sfrom\s(?:('[@\.\/\-\w]+')|("[@\.\/\-\w]+"))/mg; |
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const extractPkgs = (code: string, excludePkgs?: string[]): string[] => { |
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let matchRet = null; |
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const pkgNames: string[] = []; |
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while ((matchRet = regex.exec(code)) != null) { |
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let pkgName = (matchRet[2] || matchRet[3]); |
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pkgName = pkgName.slice(1, pkgName.length - 1); |
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// NOTE: ignore relative path (./ and ../) and excludePkgs
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if ( |
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pkgName.indexOf('./') === -1 && |
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pkgName.indexOf('../') === -1 && |
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excludePkgs?.indexOf(pkgName) === -1 |
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) { |
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pkgNames.push(pkgName); |
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} |
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} |
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return pkgNames; |
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}; |
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const getPkgLatestVersion = (pkg: string): Promise<string[]> => { |
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return axios.get(`https://registry.npm.taobao.org/${pkg}`) |
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.then(res => { |
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return [pkg, safeGet(res, 'data.dist-tags.latest', '*')]; |
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}).catch(err => { |
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console.log(`get package ${pkg} info failed, the error is:`, err); |
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return [pkg, '*']; |
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}); |
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}; |
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const analyzeDeps = (code: string, excludePkgs?: string[]): Promise<{ [pkgName: string]: string }> => { |
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const pkgs = extractPkgs(code, excludePkgs); |
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return Promise |
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.all(pkgs.map(pkg => getPkgLatestVersion(pkg))) |
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.then(pkgResults => { |
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const map: any = {}; |
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pkgResults.forEach(([pkg, version]) => { |
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map[pkg] = version; |
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}); |
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return map; |
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}).catch(err => { |
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console.log('analyze deps failed, the error is:', err); |
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}); |
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}; |
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|
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export default analyzeDeps; |
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