WIP - add extractor, generate snippet_data

node_modules/is-color-stop/util/unit.js

@@ -0,0 +1,48 @@
+'use strict';
+
+/**
+ * https://github.com/TrySound/postcss-value-parser/blob/fc679a7e17877841ff9fe455722280b65abd4f28/lib/unit.js
+ * parse node -> number and unit
+ */
+
+const minus = '-'.charCodeAt(0);
+const plus = '+'.charCodeAt(0);
+const dot = '.'.charCodeAt(0);
+
+module.exports = function unit(value) {
+  let pos = 0;
+  const length = value.length;
+  let dotted = false;
+  let containsNumber = false;
+  let code;
+  let number = '';
+
+  while (pos < length) {
+    code = value.charCodeAt(pos);
+
+    if (code >= 48 && code <= 57) {
+      number += value[pos];
+      containsNumber = true;
+    } else if (code === dot) {
+      if (dotted) {
+        break;
+      }
+      dotted = true;
+      number += value[pos];
+    } else if (code === plus || code === minus) {
+      if (pos !== 0) {
+        break;
+      }
+      number += value[pos];
+    } else {
+      break;
+    }
+
+    pos += 1;
+  }
+
+  return containsNumber ? {
+    number,
+    unit: value.slice(pos),
+  } : false;
+};