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/proc/4/root/var/lang/lib/node_modules/npm/node_modules/hosted-git-info/lib

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parse-url.js2.7 KB · 82 lines
const url = require('url') const lastIndexOfBefore = (str, char, beforeChar) => {  const startPosition = str.indexOf(beforeChar)  return str.lastIndexOf(char, startPosition > -1 ? startPosition : Infinity)} const safeUrl = (u) => {  try {    return new url.URL(u)  } catch {    // this fn should never throw  }} // accepts input like git:github.com:user/repo and inserts the // after the first :const correctProtocol = (arg, protocols) => {  const firstColon = arg.indexOf(':')  const proto = arg.slice(0, firstColon + 1)  if (Object.prototype.hasOwnProperty.call(protocols, proto)) {    return arg  }   if (arg.substr(firstColon, 3) === '://') {    // If arg is given as <foo>://<bar>, then this is already a valid URL.    return arg  }   const firstAt = arg.indexOf('@')  if (firstAt > -1) {    if (firstAt > firstColon) {      // URL has the form of <foo>:<bar>@<baz>. Assume this is a git+ssh URL.      return `git+ssh://${arg}`    } else {      // URL has the form 'git@github.com:npm/hosted-git-info.git'.      return arg    }  }   // Correct <foo>:<bar> to <foo>://<bar>  return `${arg.slice(0, firstColon + 1)}//${arg.slice(firstColon + 1)}`} // attempt to correct an scp style url so that it will parse with `new URL()`const correctUrl = (giturl) => {  // ignore @ that come after the first hash since the denotes the start  // of a committish which can contain @ characters  const firstAt = lastIndexOfBefore(giturl, '@', '#')  // ignore colons that come after the hash since that could include colons such as:  // git@github.com:user/package-2#semver:^1.0.0  const lastColonBeforeHash = lastIndexOfBefore(giturl, ':', '#')   if (lastColonBeforeHash > firstAt) {    // the last : comes after the first @ (or there is no @)    // like it would in:    // proto://hostname.com:user/repo    // username@hostname.com:user/repo    // :password@hostname.com:user/repo    // username:password@hostname.com:user/repo    // proto://username@hostname.com:user/repo    // proto://:password@hostname.com:user/repo    // proto://username:password@hostname.com:user/repo    // then we replace the last : with a / to create a valid path    giturl = giturl.slice(0, lastColonBeforeHash) + '/' + giturl.slice(lastColonBeforeHash + 1)  }   if (lastIndexOfBefore(giturl, ':', '#') === -1 && giturl.indexOf('//') === -1) {    // we have no : at all    // as it would be in:    // username@hostname.com/user/repo    // then we prepend a protocol    giturl = `git+ssh://${giturl}`  }   return giturl} module.exports = (giturl, protocols) => {  const withProtocol = protocols ? correctProtocol(giturl, protocols) : giturl  return safeUrl(withProtocol) || safeUrl(correctUrl(withProtocol))}