mm

packages/css/utils/cpm.ts

@@ -0,0 +1,42 @@
+import { defaultPrefixList } from "./prefix-list";
+
+function prefixParce(cls: string): { prefix: string; rest: string } {
+  const index = cls.indexOf("-");
+  if (index === -1) return { prefix: "", rest: cls };
+  const prefix = cls.slice(0, index);
+  const rest = cls.slice(index + 1);
+  return { prefix, rest };
+}
+
+export function cpm(
+  options?: { externalPrefixList?: string[] },
+  ...classes: (string | string[])[]
+): string {
+  const map = new Map<string, string>();
+  const mergedPrefixList: string[] = [
+    ...new Set([...(options?.externalPrefixList ?? []), ...defaultPrefixList]),
+  ];
+
+  classes.forEach((item) => {
+    if (Array.isArray(item)) {
+      item.forEach((i) => {
+        const { prefix, rest } = prefixParce(i);
+        if (mergedPrefixList.includes(prefix)) {
+          map.set(prefix, rest);
+        }
+      });
+      return;
+    }
+
+    if (typeof item === "string") {
+      const { prefix, rest } = prefixParce(item);
+      if (mergedPrefixList.includes(prefix)) {
+        map.set(prefix, rest);
+      }
+    }
+  });
+
+  return Array.from(map.entries())
+    .map(([prefix, rest]) => `${prefix}-${rest}`)
+    .join(" ");
+}