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

2026-03-13 14:26:16 +00:00
commit 40500bb503
7790 changed files with 986332 additions and 0 deletions
@@ -0,0 +1,106 @@
+"use strict";
+
+const parsers = require("../parsers");
+
+// Constants
+const { AST_TYPES } = parsers;
+
+const property = "font-family";
+const shorthand = "font";
+
+const descriptor = {
+  set(v) {
+    v = parsers.prepareValue(v);
+    if (parsers.hasVarFunc(v)) {
+      this._setProperty(shorthand, "");
+      this._setProperty(property, v);
+    } else {
+      const val = parse(v);
+      if (typeof val === "string") {
+        const priority =
+          !this._priorities.get(shorthand) && this._priorities.has(property) ? this._priorities.get(property) : "";
+        this._setProperty(property, val, priority);
+      }
+    }
+  },
+  get() {
+    return this.getPropertyValue(property);
+  },
+  enumerable: true,
+  configurable: true
+};
+
+/**
+ * Parses the font-family 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 values = parsers.splitValue(v, {
+    delimiter: ","
+  });
+  const parsedValues = [];
+  for (const val of values) {
+    if (!val) {
+      return "";
+    }
+    const value = parsers.parsePropertyValue(property, val, {
+      caseSensitive: true
+    });
+    if (Array.isArray(value) && value.length) {
+      if (value.length === 1) {
+        const [{ name, type, value: itemValue }] = value;
+        switch (type) {
+          case AST_TYPES.FUNCTION: {
+            parsedValues.push(`${name}(${itemValue})`);
+            break;
+          }
+          case AST_TYPES.GLOBAL_KEYWORD:
+          case AST_TYPES.IDENTIFIER: {
+            if (name === "undefined") {
+              return;
+            }
+            parsedValues.push(name);
+            break;
+          }
+          case "String": {
+            const parsedValue = itemValue.replaceAll("\\", "").replaceAll('"', '\\"');
+            parsedValues.push(`"${parsedValue}"`);
+            break;
+          }
+          default: {
+            return;
+          }
+        }
+      } else {
+        const parts = [];
+        for (const item of value) {
+          const { name, type } = item;
+          if (type !== AST_TYPES.IDENTIFIER) {
+            return;
+          }
+          parts.push(name);
+        }
+        const parsedValue = parts.join(" ").replaceAll("\\", "").replaceAll('"', '\\"');
+        parsedValues.push(`"${parsedValue}"`);
+      }
+    } else if (typeof value === "string") {
+      parsedValues.push(value);
+    } else {
+      return;
+    }
+  }
+  if (parsedValues.length) {
+    return parsedValues.join(", ");
+  }
+}
+
+module.exports = {
+  descriptor,
+  parse,
+  property
+};