[npm node] support for custom npm registry

lib/all-badge-examples.js

@@ -640,13 +640,27 @@ const allBadgeExamples = [
           'node'
         ]
       },
+      {
+        title: 'npm (custom registry)',
+        previewUri: '/npm/v/npm.svg?registry_uri=https://registry.npmjs.com',
+        keywords: [
+          'node'
+        ]
+      },
       {
         title: 'npm (scoped with tag)',
         previewUri: '/npm/v/@cycle/core/canary.svg',
         keywords: [
           'node'
         ]
       },
+      {
+        title: 'npm (scoped with tag, custom registry)',
+        previewUri: '/npm/v/@cycle/core/canary.svg?registry_uri=https://registry.npmjs.com',
+        keywords: [
+          'node'
+        ]
+      },
       {
         title: 'node',
         previewUri: '/node/v/passport.svg',
@@ -675,6 +689,13 @@ const allBadgeExamples = [
           'node'
         ]
       },
+      {
+        title: 'node (scoped with tag, custom registry)',
+        previewUri: '/node/v/@stdlib/stdlib/latest.svg?registry_uri=https://registry.npmjs.com',
+        keywords: [
+          'node'
+        ]
+      },
       {
         title: 'PyPI',
         previewUri: '/pypi/v/nine.svg',
@@ -1116,6 +1137,13 @@ const allBadgeExamples = [
           'node'
         ]
       },
+      {
+        title: 'npm (custom registry)',
+        previewUri: '/npm/l/express.svg?registry_uri=https://registry.npmjs.com',
+        keywords: [
+          'node'
+        ]
+      },
       {
         title: 'apm',
         previewUri: '/apm/l/vim-mode.svg',

lib/npm-badge-helpers.js

@@ -0,0 +1,7 @@
+'use strict';
+
+const defaultNpmRegistryUri = 'https://registry.npmjs.org';
+
+module.exports = {
+  defaultNpmRegistryUri,
+};

server.js

@@ -70,6 +70,9 @@ const {
 const {
   mapNpmDownloads
 } = require('./lib/npm-provider');
+const {
+  defaultNpmRegistryUri
+} = require('./lib/npm-badge-helpers');
 const {
   teamcityBadge
 } = require('./lib/teamcity-badge-helpers');
@@ -1580,13 +1583,17 @@ cache(function (data, match, sendBadge, request) {
 
 // npm version integration.
 camp.route(/^\/npm\/v\/(?:@([^/]+))?\/?([^/]*)\/?([^/]*)\.(svg|png|gif|jpg|json)$/,
-cache(function(data, match, sendBadge, request) {
+cache({
+  queryParams: ['registry_uri'],
+  handler: function(queryParams, match, sendBadge, request) {
     // e.g. cycle, core, next, svg
     const [, scope, packageName, tag, format] = match;
+    const registryUri = queryParams.registry_uri || defaultNpmRegistryUri;
     const pkg = encodeURIComponent(scope ? `@${scope}/${packageName}` : packageName);
-  const apiUrl = `https://registry.npmjs.org/-/package/${pkg}/dist-tags`;
+    const apiUrl = `${registryUri}/-/package/${pkg}/dist-tags`;
+
     const name = tag ? `npm@${tag}` : 'npm';
-  const badgeData = getBadgeData(name, data);
+    const badgeData = getBadgeData(name, queryParams);
     // Using the Accept header because of this bug:
     // <https://github.com/npm/npmjs.org/issues/163>
     request(apiUrl, { headers: { 'Accept': '*/*' } }, (err, res, buffer) => {
@@ -1606,27 +1613,30 @@ cache(function(data, match, sendBadge, request) {
         sendBadge(format, badgeData);
       }
     });
+  }
 }));
 
 // npm license integration.
 camp.route(/^\/npm\/l\/(?:@([^/]+)\/)?([^/]+)\.(svg|png|gif|jpg|json)$/,
-cache(function(data, match, sendBadge, request) {
-  const scope = match[1];        // "user" (when a scope "@user" is supplied)
-  const packageName = match[2];  // "express"
-  const format = match[3];       // "svg"
+cache({
+  queryParams: ['registry_uri'],
+  handler: function(queryParams, match, sendBadge, request) {
+    // e.g. cycle, core, svg
+    const [, scope, packageName, format ] = match;
+    const registryUri = queryParams.registry_uri || defaultNpmRegistryUri;
     let apiUrl;
     if (scope === undefined) {
       // e.g. https://registry.npmjs.org/express/latest
       // Use this endpoint as an optimization. It covers the vast majority of
       // these badges, and the response is smaller.
-    apiUrl = `https://registry.npmjs.org/${packageName}/latest`;
+      apiUrl = `${registryUri}/${packageName}/latest`;
     } else {
       // e.g. https://registry.npmjs.org/@cedx%2Fgulp-david
       // because https://registry.npmjs.org/@cedx%2Fgulp-david/latest does not work
       const path = encodeURIComponent(`${scope}/${packageName}`);
-    apiUrl = `https://registry.npmjs.org/@${path}`;
+      apiUrl = `${registryUri}/@${path}`;
     }
-  const badgeData = getBadgeData('license', data);
+    const badgeData = getBadgeData('license', queryParams);
     request(apiUrl, { headers: { 'Accept': '*/*' } }, function(err, res, buffer) {
       if (err != null) {
         badgeData.text[1] = 'inaccessible';
@@ -1655,28 +1665,32 @@ cache(function(data, match, sendBadge, request) {
         sendBadge(format, badgeData);
       }
     });
+  }
 }));
 
 // npm node version integration.
 camp.route(/^\/node\/v\/(?:@([^/]+))?\/?([^/]*)\/?([^/]*)\.(svg|png|gif|jpg|json)$/,
-cache(function(data, match, sendBadge, request) {
+cache({
+  queryParams: ['registry_uri'],
+  handler: function(queryParams, match, sendBadge, request) {
     // e.g. @stdlib, stdlib, next, svg
     const [, scope, packageName, tag, format] = match;
+    const registryUri = queryParams.registry_uri || defaultNpmRegistryUri;
     const registryTag = tag || 'latest';
     let apiUrl;
     if (scope === undefined) {
         // e.g. https://registry.npmjs.org/express/latest
         // Use this endpoint as an optimization. It covers the vast majority of
         // these badges, and the response is smaller.
-      apiUrl = `https://registry.npmjs.org/${packageName}/${registryTag}`;
+        apiUrl = `${registryUri}/${packageName}/${registryTag}`;
     } else {
       // e.g. https://registry.npmjs.org/@cedx%2Fgulp-david
       // because https://registry.npmjs.org/@cedx%2Fgulp-david/latest does not work
       const path = encodeURIComponent(`${scope}/${packageName}`);
-    apiUrl = `https://registry.npmjs.org/@${path}`;
+      apiUrl = `${registryUri}/@${path}`;
     }
     const name = tag ? `node@${tag}` : 'node';
-  const badgeData = getBadgeData(name, data);
+    const badgeData = getBadgeData(name, queryParams);
     // Using the Accept header because of this bug:
     // <https://github.com/npm/npmjs.org/issues/163>
     request(apiUrl, { headers: { 'Accept': '*/*' } }, (err, res, buffer) => {
@@ -1737,6 +1751,7 @@ cache(function(data, match, sendBadge, request) {
         sendBadge(format, badgeData);
       }
     });
+  }
 }));
 
 // Anaconda Cloud / conda package manager integration

service-tests/node.js

@@ -30,6 +30,11 @@ t.create("gets the tagged release's node version version of ionic")
   .expectJSONTypes(Joi.object({ name: 'node@next' }).unknown())
   .afterJSON(json => { assertIsSemverRange(json.value); });
 
+t.create('gets the node version of passport from a custom registry')
+  .get('/v/passport.json?registry_uri=https://registry.npmjs.com')
+  .expectJSONTypes(Joi.object({ name: 'node' }).unknown())
+  .afterJSON(json => { assertIsSemverRange(json.value); });
+
 t.create("gets the tagged release's node version of @cycle/core")
   .get('/v/@cycle/core/canary.json')
   .expectJSONTypes(Joi.object({ name: 'node@canary' }).unknown())

service-tests/npm.js

@@ -19,10 +19,26 @@ t.create('gets the tagged package version of npm')
   .get('/v/npm/next.json')
   .expectJSONTypes(Joi.object().keys({ name: 'npm@next', value: isSemver }));
 
+t.create('gets the package version of left-pad from a custom registry')
+  .get('/v/left-pad.json?registry_uri=https://registry.npmjs.com')
+  .expectJSONTypes(Joi.object().keys({ name: 'npm', value: isSemver }));
+
 t.create('gets the tagged package version of @cycle/core')
   .get('/v/@cycle/core/canary.json')
   .expectJSONTypes(Joi.object().keys({ name: 'npm@canary', value: isSemver }));
 
+t.create('gets the tagged package version of @cycle/core from a custom registry')
+  .get('/v/@cycle/core/canary.json?registry_uri=https://registry.npmjs.com')
+  .expectJSONTypes(Joi.object().keys({ name: 'npm@canary', value: isSemver }));
+
+t.create('gets the license of express')
+  .get('/l/express.json')
+  .expectJSONTypes(Joi.object().keys({ name: 'license', value: 'MIT' }));
+
+t.create('gets the license of express from a custom registry')
+  .get('/l/express.json?registry_uri=https://registry.npmjs.com')
+  .expectJSONTypes(Joi.object().keys({ name: 'license', value: 'MIT' }));
+
 t.create('invalid package name')
   .get('/v/frodo-is-not-a-package.json')
   .expectJSON({ name: 'npm', value: 'invalid' });