Remove ARMv6 from releases starting v12.0.0

Ref:
- #2204
- nodejs/build#1677 (comment)

layouts/partials/primary-download-matrix.hbs

@@ -70,9 +70,14 @@
       </tr>
       <tr>
         <th>{{downloads.LinuxBinaries}} (ARM)</th>
-        <td colspan="2"><a href="https://nodejs.org/dist/{{version.node}}/node-{{version.node}}-linux-armv6l.tar.xz">ARMv6</a></td>
-        <td colspan="2"><a href="https://nodejs.org/dist/{{version.node}}/node-{{version.node}}-linux-armv7l.tar.xz">ARMv7</a></td>
-        <td colspan="2"><a href="https://nodejs.org/dist/{{version.node}}/node-{{version.node}}-linux-arm64.tar.xz">ARMv8</a></td>
+        {{#semver-gte version.node "12.0.0"}}
+          <td colspan="3"><a href="https://nodejs.org/dist/{{version.node}}/node-{{version.node}}-linux-armv7l.tar.xz">ARMv7</a></td>
+          <td colspan="3"><a href="https://nodejs.org/dist/{{version.node}}/node-{{version.node}}-linux-arm64.tar.xz">ARMv8</a></td>
+        {{else}}
+          <td colspan="2"><a href="https://nodejs.org/dist/{{version.node}}/node-{{version.node}}-linux-armv6l.tar.xz">ARMv6</a></td>
+          <td colspan="2"><a href="https://nodejs.org/dist/{{version.node}}/node-{{version.node}}-linux-armv7l.tar.xz">ARMv7</a></td>
+          <td colspan="2"><a href="https://nodejs.org/dist/{{version.node}}/node-{{version.node}}-linux-arm64.tar.xz">ARMv8</a></td>
+        {{/semver-gte}}
       </tr>
 
       <tr>

scripts/helpers/downloads.js

@@ -147,6 +147,11 @@ module.exports = (version) => {
     downloads = downloads.filter(ver =>
       ver.title !== 'Linux 32-bit Binary' &&
       ver.title !== 'SmartOS 32-bit Binary')
+  } else if (semver.satisfies(version, '>= 12.0.0')) {
+    downloads = downloads.filter(ver =>
+      ver.title !== 'Linux 32-bit Binary' &&
+      ver.title !== 'SmartOS 32-bit Binary' &&
+      ver.title !== 'ARMv6 32-bit Binary')
   }
   return downloads.map((item) => resolveUrl(item, version))
 }

scripts/helpers/semver-gte.js

@@ -0,0 +1,11 @@
+'use strict'
+
+const semver = require('semver')
+
+module.exports = function (a, b, options) {
+  if (arguments.length === 2) {
+    options = b
+    b = options.hash.compare
+  }
+  return semver.gte(a, b) ? options.fn(this) : options.inverse(this)
+}