Merge pull request #1576 from shackbarth/publish

issue #23894: add ability to install third-party extensions using npm

diff --combined node-datasource/routes/app.js
index 8762a12,279cd36..6f639ba
--- 1/node-datasource/routes/app.js
--- 2/node-datasource/routes/app.js
+++ b/node-datasource/routes/app.js
@@@ -40,47 -40,14 +40,47 @@@ var async = require("async")
      Works with three or four dot-separated numbers.
    */
    var getVersionSize = function (version) {
 -    var versionSplit = version.split('.'),
 -      versionSize = 1000000 * versionSplit[0] +
 -        10000 * versionSplit[1] +
 -        100 * versionSplit[2];
 +    var versionSplit = version.split('.'),                  // e.g. "4.5.0-beta2".
 +      versionSize = 1000000 * versionSplit[0] +             // Get "4" from "4.5.0-beta2".
 +        10000 * versionSplit[1] +                           // Get "5" from "4.5.0-beta2".
 +        100 * versionSplit[2].match(/^[0-9]+/g, '')[0],     // Get "0" from "0-beta2".
 +      prerelease = versionSplit[2].replace(/^[0-9]+/g, ''), // Get "-beta2" from "0-beta2".
 +      preRegEx = /([a-zA-Z]+)([0-9]*)/g,                    // Capture pre-release as ["beta2", "beta", "2"].
 +      preMatch = preRegEx.exec(prerelease),
 +      preVersion,
 +      preNum;
  
      if (versionSplit.length > 3) {
        versionSize += versionSplit[3];
      }
 +
 +    if (preMatch && preMatch.length && preMatch[0] !== '') {
 +      if (preMatch[1] !== '') {
 +        preVersion = preMatch[1].match(/[a-zA-Z]+/g);       // Get ["beta"] from ["beta2", "beta", "2"].
 +
 +        // Decrease versionSize for pre-releasees.
 +        switch (preVersion[0].toLowerCase()) {
 +          case 'alpha':
 +            versionSize = versionSize - 50;
 +            break;
 +          case 'beta':
 +            versionSize = versionSize - 40;
 +            break;
 +          case 'rc':
 +            versionSize = versionSize - 20;
 +            break;
 +          default :
 +            X.err("Cannot get pre-release version number.");
 +        }
 +      }
 +
 +      // Add pre-release version to versionSize.
 +      if (preMatch[2] !== '') {
 +        preNum = preMatch[2].match(/[0-9]+/g);              // Get ["2"] from ["beta2", "beta", "2"].
 +        versionSize = versionSize + parseInt(preNum);
 +      }
 +    }
 +
      return versionSize;
    };
  
@@@ -123,7 -90,10 +123,10 @@@
            });
            uuids = _.compact(uuids); // eliminate any null values
            var extensionPaths = _.compact(_.map(extensions, function (ext) {
-             return path.join(ext.location, "source", ext.name);
+             var locationName = ext.location.indexOf("/") === 0 ?
+               path.join(ext.location, "source") :
+               "/" + ext.location;
+             return path.join(locationName, ext.name);
            }));
            getCoreUuid('js', req.session.passport.user.organization, function (err, jsUuid) {
              if (err) {