feat: initial commit of Railtrack Pro prototype with complete test suite

node_modules/cssstyle/lib/properties/borderLeftStyle.js

@@ -0,0 +1,58 @@
+"use strict";
+
+const parsers = require("../parsers");
+
+const property = "border-left-style";
+const lineShorthand = "border-style";
+const positionShorthand = "border-left";
+const shorthand = "border";
+
+const descriptor = {
+  set(v) {
+    v = parsers.prepareValue(v);
+    if (parsers.hasVarFunc(v)) {
+      this._borderSetter(property, v, "");
+    } else {
+      const val = parse(v);
+      if (typeof val === "string") {
+        const shorthandPriority = this._priorities.get(shorthand);
+        const linePriority = this._priorities.get(lineShorthand);
+        const positionPriority = this._priorities.get(positionShorthand);
+        const priority =
+          !(shorthandPriority || linePriority || positionPriority) && this._priorities.has(property)
+            ? this._priorities.get(property)
+            : "";
+        this._borderSetter(property, val, priority);
+      }
+    }
+  },
+  get() {
+    return this.getPropertyValue(property);
+  },
+  enumerable: true,
+  configurable: true
+};
+
+/**
+ * Parses the border-left-style property value.
+ *
+ * @param {string} v - The value to parse.
+ * @returns {string|undefined} The parsed value or undefined if invalid.
+ */
+function parse(v) {
+  if (v === "") {
+    return v;
+  }
+  const value = parsers.parsePropertyValue(property, v);
+  if (Array.isArray(value) && value.length === 1) {
+    return parsers.resolveKeywordValue(value);
+  } else if (typeof value === "string") {
+    return value;
+  }
+}
+
+module.exports = {
+  descriptor,
+  parse,
+  property
+};