tasmota-esp-web-tools/dist/connect.js

Web tools for ESP devices

import { connect as esptoolConnect } from "tasmota-webserial-esptool";
/**
 * Detect if running on Android
 */
const isAndroid = () => {
    const userAgent = navigator.userAgent || "";
    return /Android/i.test(userAgent);
};
/**
 * Load WebUSB serial wrapper for Android
 */
const loadWebUSBSerial = async () => {
    // Check if already loaded
    if (globalThis.requestSerialPort) {
        return;
    }
    // Dynamically load the WebUSB serial script from the npm package
    return new Promise((resolve, reject) => {
        const script = document.createElement("script");
        script.type = "module";
        script.src =
            "https://unpkg.com/tasmota-webserial-esptool/js/webusb-serial.js";
        script.onload = () => {
            if (globalThis.requestSerialPort) {
                resolve();
            }
            else {
                reject(new Error("WebUSB serial script loaded but requestSerialPort not found"));
            }
        };
        script.onerror = () => reject(new Error("Failed to load WebUSB serial script"));
        document.head.appendChild(script);
    });
};
export const connect = async (button) => {
    import("./install-dialog.js");
    // Android: Load WebUSB support first
    if (isAndroid() && "usb" in navigator) {
        try {
            await loadWebUSBSerial();
        }
        catch (err) {
            alert(`Failed to load WebUSB support: ${err.message}`);
            return;
        }
    }
    // Use tasmota-webserial-esptool's connect() - handles ALL port logic
    let esploader;
    try {
        esploader = await esptoolConnect({
            log: () => { }, // Silent logger for connection
            debug: () => { },
            // eslint-disable-next-line no-console
            error: (msg) => console.error(msg),
        });
    }
    catch (err) {
        if (err.name === "NotFoundError") {
            import("./no-port-picked/index").then((mod) => mod.openNoPortPickedDialog(() => connect(button)));
            return;
        }
        alert(`Connection failed: ${err.message}`);
        return;
    }
    if (!esploader) {
        alert("Failed to connect to device");
        return;
    }
    const el = document.createElement("ewt-install-dialog");
    el.esploader = esploader; // Pass ESPLoader instead of port
    el.manifestPath = button.manifest || button.getAttribute("manifest");
    el.overrides = button.overrides;
    el.firmwareFile = button.firmwareFile;
    // Get baud rate from attribute or use default
    const baudRateAttr = button.getAttribute("baud-rate");
    if (baudRateAttr) {
        const baudRate = parseInt(baudRateAttr, 10);
        if (!isNaN(baudRate)) {
            el.baudRate = baudRate;
        }
    }
    else if (button.baudRate !== undefined) {
        el.baudRate = button.baudRate;
    }
    el.addEventListener("closed", async () => {
        try {
            await esploader.disconnect();
        }
        catch (_err) {
            // Ignore disconnect errors
        }
    }, { once: true });
    document.body.appendChild(el);
};