install: Report normalization errors of the top level package

PR-URL: #8779

Author: iarna

lib/install/validate-tree.js

@@ -7,6 +7,8 @@ var checkPlatform = npmInstallChecks.checkPlatform
 var checkGit = npmInstallChecks.checkGit
 var asyncMap = require('slide').asyncMap
 var chain = require('slide').chain
+var clone = require('lodash.clonedeep')
+var normalizePackageData = require('normalize-package-data')
 var npm = require('../npm.js')
 var andFinishTracker = require('./and-finish-tracker.js')
 var flattenTree = require('./flatten-tree.js')
@@ -28,7 +30,7 @@ module.exports = function (idealTree, log, next) {
       mod.parent && !isInLink(mod) && [checkGit, mod.realpath],
       [checkErrors, mod, idealTree]
       ], done)
-  }, andValidateAllPeerDeps(idealTree, andFinishTracker(log, next)))
+  }, andValidateAllPeerDeps(idealTree, andCheckTop(idealTree, andFinishTracker(log, next))))
 }
 
 function isInLink (mod) {
@@ -54,3 +56,24 @@ function andValidateAllPeerDeps (idealTree, next) {
     next(er)
   }
 }
+
+function andCheckTop (idealTree, next) {
+  validate('OF', arguments)
+  if (idealTree.package.error) {
+    return next
+  } else {
+    return function (er) {
+      // FIXME: when we replace read-package-json with something less magic,
+      // this should done elsewhere.
+      // As it is, the package has already been normalized and thus some
+      // errors are suppressed.
+      var pkg = clone(idealTree.package)
+      normalizePackageData(pkg, function (warn) {
+        var warnObj = new Error(pkg._id + ' ' + warn)
+        warnObj.code = 'EPACKAGEJSON'
+        idealTree.warnings.push(warnObj)
+      }, false)
+      next(er)
+    }
+  }
+}

test/tap/peer-deps-invalid.js

@@ -79,9 +79,8 @@ test('installing dependencies that have conflicting peerDependencies', function
       function () {
         npm.commands.install([], function (err, additions, tree) {
           t.error(err)
-          t.is(tree.warnings.length, 2)
-          t.is(tree.warnings[0].code, 'EPEERINVALID')
-          t.is(tree.warnings[1].code, 'EPEERINVALID')
+          var invalid = tree.warnings.filter(function (warning) { return warning.code === 'EPEERINVALID' })
+          t.is(invalid.length, 2)
           s.close()
           t.end()
         })