build(npm): upgrade to npm v3

Closes #3193

tools/analytics/build-analytics

@@ -40,9 +40,13 @@ switch (eventType) {
     fs.writeFileSync(startTimestampFilePath, Date.now(), 'utf-8');
     break;
   case 'success':
-    var startTime = fs.readFileSync(startTimestampFilePath, 'utf-8');
-    analytics[actionCategory + 'Success'](actionName, Date.now() - startTime);
-    fs.unlinkSync(startTimestampFilePath);
+    try {
+      var startTime = fs.readFileSync(startTimestampFilePath, 'utf-8');
+      analytics[actionCategory + 'Success'](actionName, Date.now() - startTime);
+      fs.unlinkSync(startTimestampFilePath);
+    } catch(e) {
+      console.log('No start timestamp file "' + startTimestampFilePath + '" found, skipping analytics.');
+    }
     break;
   case 'error':
     var startTime = fs.readFileSync(startTimestampFilePath, 'utf-8');

tools/npm/check-node-modules

@@ -2,6 +2,9 @@
 
 var checkNpm = require('./check-node-modules.js');
 
-var purgeIfStale = (process.argv.indexOf('--purge') !== -1)
+var purgeIfStale = (process.argv.indexOf('--purge') !== -1);
+
+// check-node-modules will exit(1) if we don't need to install to short-circuit `npm install`
+// see .travis.yml's `install` block to see the reason for this
+process.exit(checkNpm(true, purgeIfStale) ? 1 : 0);
 
-checkNpm(true, purgeIfStale);

tools/npm/check-node-modules.js

@@ -4,7 +4,7 @@ var fs = require('fs');
 var path = require('path');
 
 var NPM_SHRINKWRAP_FILE = 'npm-shrinkwrap.json';
-var NPM_SHRINKWRAP_CACHED_FILE = 'node_modules/npm-shrinkwrap.cached.json';
+var NPM_SHRINKWRAP_CACHED_FILE = 'node_modules/.npm-shrinkwrap.cached.json';
 var FS_OPTS = {encoding: 'utf-8'};
 var PROJECT_ROOT = path.join(__dirname, '../../');
 

tools/npm/copy-npm-shrinkwrap

@@ -4,7 +4,7 @@ var fse = require('fs-extra');
 var path = require('path');
 
 var NPM_SHRINKWRAP_FILE = 'npm-shrinkwrap.json';
-var NPM_SHRINKWRAP_CACHED_FILE = 'node_modules/npm-shrinkwrap.cached.json';
+var NPM_SHRINKWRAP_CACHED_FILE = 'node_modules/.npm-shrinkwrap.cached.json';
 var PROJECT_ROOT = path.join(__dirname, '../../');
 
 process.chdir(PROJECT_ROOT);

tools/tslint/requireInternalWithUnderscoreRule.ts

@@ -1,7 +1,7 @@
 import {RuleFailure} from 'tslint/lib/lint';
 import {AbstractRule} from 'tslint/lib/rules';
 import {RuleWalker} from 'tslint/lib/language/walker';
-import * as ts from 'tslint/node_modules/typescript';
+import * as ts from 'typescript';
 
 export class Rule extends AbstractRule {
   public apply(sourceFile: ts.SourceFile): RuleFailure[] {

tools/tslint/requireParameterTypeRule.ts

@@ -1,7 +1,7 @@
 import {RuleFailure} from 'tslint/lib/lint';
 import {AbstractRule} from 'tslint/lib/rules';
 import {RuleWalker} from 'tslint/lib/language/walker';
-import * as ts from 'tslint/node_modules/typescript';
+import * as ts from 'typescript';
 
 export class Rule extends AbstractRule {
   public static FAILURE_STRING = "missing type declaration";

tools/tslint/requireReturnTypeRule.ts

@@ -1,7 +1,7 @@
 import {RuleFailure} from 'tslint/lib/lint';
 import {AbstractRule} from 'tslint/lib/rules';
 import {RuleWalker} from 'tslint/lib/language/walker';
-import * as ts from 'tslint/node_modules/typescript';
+import * as ts from 'typescript';
 
 export class Rule extends AbstractRule {
   public static FAILURE_STRING = "missing type declaration";