Node.js native ESM support

.gitignore

@@ -8,3 +8,7 @@ coverage
 test-treeshake/*-umd.js
 amd
 cjs
+/underscore.js
+/underscore-min.js
+/underscore-min.js.map
+/underscore-node-*-pre*

.travis.yml

@@ -5,15 +5,22 @@ sudo: false
 jobs:
   include:
     - node_js: 8
-      env: EXTRA=false
+      env:
+        - DOWNGRADE=true
+        - EXTRA=false
     - node_js: 10
-      env: EXTRA=true
+      env:
+        - DOWNGRADE=false
+        - EXTRA=false
     - node_js: 14
-      env: EXTRA=false
+      env:
+        - DOWNGRADE=false
+        - EXTRA=true
 before_install:
   - npm install -g karma-cli
 before_script:
   - npm install karma-sauce-launcher
+  - "[ $DOWNGRADE = false ] || npm install rollup@1"
 script:
   - npm test
   - "[ $EXTRA = false ] || npm run test-browser"

CONTRIBUTING.md

@@ -12,4 +12,4 @@
 
 * Use the same coding style as the rest of the [codebase](https://github.com/jashkenas/underscore/blob/master/modules/index.js).
 
-* In your pull request, do not add documentation or re-build the minified `underscore-min.js` file. We'll do those things before cutting a new release.
+* In your pull request, do not add documentation or re-build the minified `underscore-umd-min.js` file. We'll do those things before cutting a new release.

bower.json

@@ -1,6 +1,6 @@
 {
   "name": "underscore",
-  "main": "underscore.js",
+  "main": "underscore-umd.js",
   "keywords": ["util", "functional", "server", "client", "browser"],
   "ignore" : ["docs", "test", "*.yml", "CNAME", "index.html", "favicon.ico", "CONTRIBUTING.md", ".*", "package.json", "karma.*"]
 }

docs/modules/_setup.html

@@ -850,7 +850,7 @@ <h1>_setup.js</h1>
 
             </div>
 
-            <div class="content"><div class='highlight'><pre><span class="hljs-keyword">export</span> <span class="hljs-keyword">var</span> VERSION = <span class="hljs-string">'1.12.1'</span>;</pre></div></div>
+            <div class="content"><div class='highlight'><pre><span class="hljs-keyword">export</span> <span class="hljs-keyword">var</span> VERSION = <span class="hljs-string">'1.13.0-3'</span>;</pre></div></div>
 
         </li>
 

docs/modules/index.html

@@ -865,7 +865,7 @@ <h1 id="named-exports">Named Exports</h1>
               <div class="pilwrap ">
                 <a class="pilcrow" href="#section-3">&#182;</a>
               </div>
-              <pre><code>Underscore.js <span class="hljs-number">1.12</span><span class="hljs-number">.1</span>
+              <pre><code>Underscore.js <span class="hljs-number">1.13</span><span class="hljs-number">.0</span><span class="hljs-number">-3</span>
 <span class="hljs-attr">https</span>:<span class="hljs-comment">//underscorejs.org</span>
 (c) <span class="hljs-number">2009</span><span class="hljs-number">-2020</span> Jeremy Ashkenas, DocumentCloud and Investigative Reporters &amp; Editors
 Underscore may be freely distributed under the MIT license.</code></pre>

index.html

@@ -186,7 +186,7 @@
   <div id="sidebar" class="interface">
 
     <a class="toc_title" href="#">
-      Underscore.js <span class="version">(1.12.1)</span>
+      Underscore.js <span class="version">(1.13.0-3)</span>
     </a>
     <ul class="toc_section">
       <li>&raquo; <a href="https://github.com/jashkenas/underscore">GitHub Repository</a></li>
@@ -440,23 +440,20 @@
     </p>
 
     <p>
-        You may choose between monolithic and modular imports. There is a quick
-        summary of the options below, as well as a more comprehensive
-        discussion in <a
-    href="https://juliangonggrijp.com/article/introducing-modular-underscore.html"
-        >the article</a>.
+      You may choose between monolithic and modular imports. There is a quick
+      summary of the options below, as well as a more comprehensive
+      discussion in <a
+  href="https://juliangonggrijp.com/article/introducing-modular-underscore.html"
+      >the article</a>.
     </p>
 
     <p>
-      <i><a
-   href="https://cdn.statically.io/gh/jashkenas/underscore/1.13.0-1/index.html"
-      >Prerelease version 1.13.0-1</a> adds full support for native ESM
-      imports in Node.js version 12 and later. It should do this without
-      breaking existing setups. Please try it out by installing
+      <i>Prerelease version 1.13.0-1 adds full support for native ESM imports
+      in Node.js version 12 and later. It should do this without breaking
+      existing setups. Please try it out by installing
       <tt>underscore@preview</tt> from NPM and let us know whether it worked
-      for you in <a
-        href="https://github.com/jashkenas/underscore/pull/2914"
-      >the pull request</a>!</i>
+      for you in <a href="https://github.com/jashkenas/underscore/pull/2914">the
+      pull request</a>!</i>
     </p>
 
     <p>
@@ -476,7 +473,7 @@
       <i>Underscore is an open-source component of <a href="https://documentcloud.org/">DocumentCloud</a>.</i>
     </p>
 
-    <h2>v1.12.1 Downloads <i style="padding-left: 12px; font-size:12px;">(Right-click, and use "Save As")</i></h2>
+    <h2>v1.13.0-3 Downloads <i style="padding-left: 12px; font-size:12px;">(Right-click, and use "Save As")</i></h2>
 
     <table>
       <tr>
@@ -494,17 +491,17 @@ <h2>v1.12.1 Downloads <i style="padding-left: 12px; font-size:12px;">(Right-clic
         </td>
       </tr>
       <tr>
-        <td class="dl-link"><a href="underscore.js">UMD (Development)</a></td>
+        <td class="dl-link"><a href="underscore-umd.js">UMD (Development)</a></td>
         <td>
           <i>67.45kb, Uncompressed with Bountiful Comments</i>
-          &nbsp;<small>(<a href="underscore.js.map">Source Map</a>)</small>
+          &nbsp;<small>(<a href="underscore-umd.js.map">Source Map</a>)</small>
         </td>
       </tr>
       <tr>
-        <td class="dl-link"><a href="underscore-min.js">UMD (Production)</a></td>
+        <td class="dl-link"><a href="underscore-umd-min.js">UMD (Production)</a></td>
         <td>
           <i>7.39kb, Minified and Gzipped</i>
-          &nbsp;<small>(<a href="underscore-min.js.map">Source Map</a>)</small>
+          &nbsp;<small>(<a href="underscore-umd-min.js.map">Source Map</a>)</small>
         </td>
       </tr>
       <tr>
@@ -515,37 +512,37 @@ <h2>v1.12.1 Downloads <i style="padding-left: 12px; font-size:12px;">(Right-clic
         <td><i>Unreleased, current <tt>master</tt>, use by your own judgement and at your own risk</i></td>
       </tr>
       <tr>
-        <td class="dl-link"><a href="https://raw.github.com/jashkenas/underscore/master/underscore.js">Edge UMD</a></td>
+        <td class="dl-link"><a href="https://raw.github.com/jashkenas/underscore/master/underscore-umd.js">Edge UMD</a></td>
         <td><i>Unreleased, current <tt>master</tt>, use if you’re feeling lucky</i></td>
       </tr>
     </table>
 
-    <h2>v1.12.1 CDN URLs <i style="padding-left: 12px; font-size:12px;">(Use with <tt>&lt;script src="..."&gt;&lt;/script&gt;</tt>)</i></h2>
+    <h2>v1.13.0-3 CDN URLs <i style="padding-left: 12px; font-size:12px;">(Use with <tt>&lt;script src="..."&gt;&lt;/script&gt;</tt>)</i></h2>
 
     <ul>
       <li>
-        <tt>https://cdn.jsdelivr.net/npm/underscore@1.12.1/underscore-min.js</tt>
+        <tt>https://cdn.jsdelivr.net/npm/underscore@1.13.0-3/underscore-umd-min.js</tt>
       </li>
       <li>
-        <tt>https://cdn.jsdelivr.net/npm/underscore@1.12.1/underscore-esm-min.js</tt>
+        <tt>https://cdn.jsdelivr.net/npm/underscore@1.13.0-3/underscore-esm-min.js</tt>
       </li>
       <li>
-        <tt>https://unpkg.com/underscore@1.12.1/underscore-min.js</tt>
+        <tt>https://unpkg.com/underscore@1.13.0-3/underscore-umd-min.js</tt>
       </li>
       <li>
-        <tt>https://unpkg.com/underscore@1.12.1/underscore-esm-min.js</tt>
+        <tt>https://unpkg.com/underscore@1.13.0-3/underscore-esm-min.js</tt>
       </li>
       <li>
-        <tt>https://pagecdn.io/lib/underscore/1.12.1/underscore-min.js</tt>
+        <tt>https://pagecdn.io/lib/underscore/1.13.0-3/underscore-umd-min.js</tt>
       </li>
       <li>
-        <tt>https://pagecdn.io/lib/underscore/1.12.1/underscore-esm-min.js</tt>
+        <tt>https://pagecdn.io/lib/underscore/1.13.0-3/underscore-esm-min.js</tt>
       </li>
       <li>
-        <tt>https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.12.1/underscore-min.js</tt>
+        <tt>https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.13.0-3/underscore-umd-min.js</tt>
       </li>
       <li>
-        <tt>https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.12.1/underscore-esm-min.js</tt>
+        <tt>https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.13.0-3/underscore-esm-min.js</tt>
       </li>
     </ul>
 
@@ -563,7 +560,7 @@ <h2>Package Installation</h2>
       </li>
     </ul>
 
-    <h2>Monolithic Import</h2>
+    <h2>Monolithic Import (recommended)</h2>
 
     <ul>
       <li>
@@ -576,7 +573,7 @@ <h2>Monolithic Import</h2>
         <b>CommonJS</b> <tt>var _ = require('underscore');</tt>
       </li>
       <li>
-        <b>ExtendScript</b> <tt>#include "underscore.js"</tt>
+        <b>ExtendScript</b> <tt>#include "underscore-umd.js"</tt>
       </li>
     </ul>
 
@@ -2705,6 +2702,31 @@ <h2 id="notes">Notes</h2>
 
       <h2 id="changelog">Change Log</h2>
 
+      <p id="1.13.0-3">
+        <b class="header">1.13.0-3</b> &mdash; <small><i>March 31, 2021</i></small> &mdash; <a href="https://github.com/jashkenas/underscore/compare/1.13.0-2...1.13.0-3">Diff</a> &mdash; <a href="https://cdn.rawgit.com/jashkenas/underscore/1.13.0-3/index.html">Docs</a><br />
+        <ul>
+          <li>
+            Adds a <tt>"module"</tt> exports condition to the
+            <tt>package.json</tt>, which should theoretically help to avoid
+            duplicate code bundling with <tt>exports</tt>-aware build tools.
+          </li>
+          <li>
+            Re-synchronizes some comments and documentation text with the
+            1.12.x branch.
+          </li>
+        </ul>
+      </p>
+
+      <p id="1.13.0-2">
+        <b class="header">1.13.0-2</b> &mdash; <small><i>March 15, 2021</i></small> &mdash; <a href="https://github.com/jashkenas/underscore/compare/1.13.0-1...1.13.0-2">Diff</a> &mdash; <a href="https://cdn.rawgit.com/jashkenas/underscore/1.13.0-2/index.html">Docs</a><br />
+        <ul>
+          <li>
+            Fixes the same security issue in <tt>_.template</tt> as the
+            parallel 1.12.1 release.
+          </li>
+        </ul>
+      </p>
+
       <p id="1.12.1">
         <b class="header">1.12.1</b> &mdash; <small><i>March 15, 2021</i></small> &mdash; <a href="https://github.com/jashkenas/underscore/compare/1.12.0...1.12.1">Diff</a> &mdash; <a href="https://cdn.statically.io/gh/jashkenas/underscore/1.12.1/index.html">Docs</a><br />
         <ul>
@@ -2718,6 +2740,46 @@ <h2 id="changelog">Change Log</h2>
                 href="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23358"
             >CVE-2021-23358</a>
           </li>
+          <li>
+            Restores an optimization in <tt>_.debounce</tt> that was
+            unintentionally lost in version 1.9.0 (same as in parallel preview
+            release 1.13.0-0).
+          </li>
+          <li>
+            Various test and documentation enhancements (same as in parallel
+            preview releases 1.13.0-0 and 1.13.0-1).
+          </li>
+        </ul>
+      </p>
+
+      <p id="1.13.0-1">
+        <b class="header">1.13.0-1</b> &mdash; <small><i>March 11, 2021</i></small> &mdash; <a href="https://github.com/jashkenas/underscore/compare/1.13.0-0...1.13.0-1">Diff</a> &mdash; <a href="https://cdn.rawgit.com/jashkenas/underscore/1.13.0-1/index.html">Docs</a><br />
+        <ul>
+          <li>
+            Fixes an issue that caused aliases to be absent among the named
+            exports in the new native ESM entry point for Node.js 12+.
+          </li>
+          <li>
+            More test and documentation fixes and enhancements.
+          </li>
+        </ul>
+      </p>
+
+      <p id="1.13.0-0">
+        <b class="header">1.13.0-0</b> &mdash; <small><i>March 9, 2021</i></small> &mdash; <a href="https://github.com/jashkenas/underscore/compare/1.12.0...1.13.0-0">Diff</a> &mdash; <a href="https://cdn.rawgit.com/jashkenas/underscore/1.13.0-0/index.html">Docs</a><br />
+        <ul>
+          <li>
+            Adds experimental support for native ESM imports in Node.js. You
+            can now also do named imports or even deep module imports directly
+            from a Node.js process in Node.js version 12 and later. Monolithic
+            imports are recommended for use in production. State (such as
+            mixed-in functions) is shared between CommonJS and ESM consumers.
+          </li>
+          <li>
+            Renames the UMD bundle to <tt>underscore-umd.js</tt> for
+            consistency with the other bundle names. An alias named
+            <tt>underscore.js</tt> is retained for backwards compatibility.
+          </li>
           <li>
             Restores an optimization in <tt>_.debounce</tt> that was
             unintentionally lost in version 1.9.0.
@@ -3928,7 +3990,7 @@ <h2 id="changelog">Change Log</h2>
   </div>
 
   <!-- Include Underscore, so you can play with it in the console. -->
-  <script type="text/javascript" src="underscore.js"></script>
+  <script type="text/javascript" src="underscore-umd.js"></script>
   <script type="text/javascript" src="docs/main.js"></script>
 
 </body>

karma.conf-sauce.js

@@ -63,7 +63,7 @@ module.exports = function(config) {
     files: [
       'test/vendor/qunit-extras.js',
       'test/qunit-setup.js',
-      'underscore.js',
+      'underscore-umd.js',
       'test/*.js'
     ],
 

karma.conf.js

@@ -15,7 +15,7 @@ module.exports = function(config) {
     // list of files / patterns to load in the browser
     files: [
       'test/qunit-setup.js',
-      'underscore.js',
+      'underscore-umd.js',
       'test/*.js'
     ],
 

modules/_setup.js

@@ -1,5 +1,5 @@
 // Current version.
-export var VERSION = '1.12.1';
+export var VERSION = '1.13.0-3';
 
 // Establish the root object, `window` (`self`) in the browser, `global`
 // on the server, or `this` in some virtual machines. We use `self`

modules/index.js

@@ -1,7 +1,7 @@
 // Named Exports
 // =============
 
-//     Underscore.js 1.12.1
+//     Underscore.js 1.13.0-3
 //     https://underscorejs.org
 //     (c) 2009-2020 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
 //     Underscore may be freely distributed under the MIT license.

modules/package.json

@@ -0,0 +1,3 @@
+{
+  "type": "module"
+}