legacy browser support via plugins from postcss

1 files changed, 29 insertions, 0 deletions

diff --git a/node_modules/postcss-vmin/index.js b/node_modules/postcss-vmin/index.js
new file mode 100644
index 00000000..121d2f79
--- /dev/null
+++ b/node_modules/postcss-vmin/index.js
@@ -0,0 +1,29 @@
+var postcss = require('postcss');
+
+module.exports = postcss.plugin("postcss-vmin", function (opts) {
+    opts = opts || {};
+
+    var REGEX = /(\d*\.?\d+)vmin/ig;
+
+    return function (css) {
+
+      // for each rules, each decl
+      css.walkRules(function (rule) {
+        rule.walkDecls(function (decl, i) {
+
+          if (decl.value.indexOf('vmin') === -1) { return; }
+
+          if (REGEX.exec(decl.value) !== null)  {
+            var value = decl.value.replace(REGEX, function (_, number) {
+              return number + 'vm';
+            });
+            rule.insertBefore(i, decl.clone({ value: value }));
+          }
+
+        });
+      });
+
+      return css;
+
+    };
+});