misc: move dependency to assets folder

module/webui/scripts/assets/kernelsu.js

@@ -0,0 +1,111 @@
+/**
+ * Imported from https://www.npmjs.com/package/kernelsu
+ * Slightly modified version by KOWX712
+ * Added full description
+ * Simplified spawn function
+ * Handle error on toast
+ */
+
+let callbackCounter = 0;
+function getUniqueCallbackName(prefix) {
+    return `${prefix}_callback_${Date.now()}_${callbackCounter++}`;
+}
+
+/**
+ * Execute shell command with ksu.exec
+ * @param {string} command - The command to execute
+ * @param {Object} [options={}] - Options object containing:
+ *   - cwd <string> - Current working directory of the child process
+ *   - env {Object} - Environment key-value pairs
+ * @returns {Promise<Object>} Resolves with:
+ *   - errno {number} - Exit code of the command
+ *   - stdout {string} - Standard output from the command
+ *   - stderr {string} - Standard error from the command
+ */
+export function exec(command, options = {}) {
+    return new Promise((resolve, reject) => {
+        const callbackFuncName = getUniqueCallbackName("exec");
+        window[callbackFuncName] = (errno, stdout, stderr) => {
+            resolve({ errno, stdout, stderr });
+            cleanup(callbackFuncName);
+        };
+        function cleanup(successName) {
+            delete window[successName];
+        }
+        try {
+            ksu.exec(command, JSON.stringify(options), callbackFuncName);
+        } catch (error) {
+            reject(error);
+            cleanup(callbackFuncName);
+        }
+    });
+}
+
+/**
+ * Spawn shell process with ksu.spawn
+ * @param {string} command - The command to execute
+ * @param {string[]} [args=[]] - Array of arguments to pass to the command
+ * @param {Object} [options={}] - Options object containing:
+ *   - cwd <string> - Current working directory of the child process
+ *   - env {Object} - Environment key-value pairs
+ * @returns {Object} A child process object with:
+ *   - stdout: Stream for standard output
+ *   - stderr: Stream for standard error
+ *   - stdin: Stream for standard input
+ *   - on(event, listener): Attach event listener ('exit', 'error')
+ *   - emit(event, ...args): Emit events internally
+ */
+export function spawn(command, args = [], options = {}) {
+    const child = {
+        listeners: {},
+        stdout: new Stdio(),
+        stderr: new Stdio(),
+        stdin: new Stdio(),
+        on(event, listener) {
+            if (!this.listeners[event]) this.listeners[event] = [];
+            this.listeners[event].push(listener);
+        },
+        emit(event, ...args) {
+            if (this.listeners[event]) {
+                this.listeners[event].forEach(listener => listener(...args));
+            }
+        }
+    };
+    function Stdio() {
+        this.listeners = {};
+    }
+    Stdio.prototype.on = function(event, listener) {
+        if (!this.listeners[event]) {
+            this.listeners[event] = [];
+        }
+        this.listeners[event].push(listener);
+    };
+    Stdio.prototype.emit = function(event, ...args) {
+        if (this.listeners[event]) {
+            this.listeners[event].forEach(listener => listener(...args));
+        }
+    };
+    const callbackName = getUniqueCallbackName("spawn");
+    window[callbackName] = child;
+    child.on("exit", () => delete window[callbackName]);
+    try {
+        ksu.spawn(command, JSON.stringify(args), JSON.stringify(options), callbackName);
+    } catch (error) {
+        child.emit("error", error);
+        delete window[callbackName];
+    }
+    return child;
+}
+
+/**
+ * Show android toast message
+ * @param {string} message - The message to display in toast
+ * @returns {void}
+ */
+export function toast(message) {
+    try {
+        ksu.toast(message);
+    } catch (error) {   
+        console.error("Error displaying toast:", error);
+    }
+}