Create libpacman.js

mods/libpacman.js

@@ -0,0 +1,52 @@
+/*
+ * Requires that certain mods are installed for the callback to proceed.
+ * @param {array} mods - The mods your mod depends on.
+ * @param {function} callback - The callback to run when the dependencies are met.
+ */
+function requireMods(mods, cal) {
+  if (__checkMods(mods)) {
+    cal();
+  }
+  else {
+    __installMods(mods);
+    window.location.reload();
+  }
+}
+
+/*
+ * Fetches the name of any mods that are missing
+ * @param {array} mods - The mods your mod depends on.
+ * @returns {array} An array of missing mods.
+ */
+function __getMissingMods(mods) {
+  let missing = [];
+  for (let i = 0; i < mods.length; i++) {
+    if (enabledMods.includes(mods[i])) {
+      continue;
+    }
+    missing.push(mods[i]);
+  }
+  return missing;
+}
+
+/*
+ * Checks if any mods are missing.
+ * @param {array} mods - The mods your mod depends on.
+ * @returns {boolean} True if any mods are missing.
+ */
+function __checkMods(mods) {
+  return __getMissingMods(mods).length === 0;
+}
+
+function __installMods(mods) {
+  __getMissingMods(mods).forEach(mod => __installMod(mod));
+}
+
+function __installMod(mod) {
+  let mods = JSON.parse(window.localStorage.getItem("enabledMods") || "[]");
+  mods.push(mod);
+  window.localStorage.setItem("enabledMods", JSON.stringify(mods));
+}
+
+// Ensure it's available in the global scope
+window.requireMods = requireMods;