@mmote/niimblue-node/dist/server/worker.js

Headless clients for niimbluelib. Command line interface, simple REST server are also included.

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.scan = exports.print = exports.info = exports.connected = exports.disconnect = exports.connect = exports.index = exports.setDebug = void 0;
const niimbluelib_1 = require("@mmote/niimbluelib");
const sharp_1 = __importDefault(require("sharp"));
const zod_1 = require("zod");
const headless_ble_impl_1 = require("../client/headless_ble_impl");
const image_encoder_1 = require("../image_encoder");
const utils_1 = require("../utils");
const simple_server_1 = require("./simple_server");
const headless_serial_impl_1 = require("../client/headless_serial_impl");
let client = null;
let debug = false;
const ConnectSchema = zod_1.z.object({
    transport: zod_1.z.enum(["serial", "ble"]),
    address: zod_1.z.string(),
});
const ScanSchema = zod_1.z.object({
    transport: zod_1.z.enum(["serial", "ble"]),
    timeout: zod_1.z.number().default(5000),
});
const [firstTask, ...otherTasks] = niimbluelib_1.printTaskNames;
const PrintSchema = zod_1.z
    .object({
    printDirection: zod_1.z.enum(["left", "top"]).optional(),
    printTask: zod_1.z.enum([firstTask, ...otherTasks]).optional(),
    quantity: zod_1.z.number().min(1).default(1),
    labelType: zod_1.z.number().min(1).default(niimbluelib_1.LabelType.WithGaps),
    density: zod_1.z.number().min(1).default(3),
    imageBase64: zod_1.z.string().optional(),
    imageUrl: zod_1.z.string().optional(),
    labelWidth: zod_1.z.number().positive().optional(),
    labelHeight: zod_1.z.number().positive().optional(),
    threshold: zod_1.z.number().min(1).max(255).default(128),
    imagePosition: zod_1.z
        .enum(["centre", "top", "right top", "right", "right bottom", "bottom", "left bottom", "left", "left top"])
        .default("centre"),
    imageFit: zod_1.z.enum(["contain", "cover", "fill", "inside", "outside"]).default("contain"),
})
    .refine(({ imageUrl, imageBase64 }) => {
    return !!imageUrl !== !!imageBase64;
}, { message: "imageUrl or imageBase64 must be defined", path: ["image"] });
const setDebug = (v) => {
    debug = v;
};
exports.setDebug = setDebug;
const assertConnected = () => {
    if (!client?.isConnected()) {
        throw new simple_server_1.RestError("Not connected", 400);
    }
};
const index = () => ({ message: "Server is working" });
exports.index = index;
const connect = async (r) => {
    const data = await (0, simple_server_1.readBodyJson)(r, ConnectSchema);
    if (client?.isConnected()) {
        throw new simple_server_1.RestError("Already connected", 400);
    }
    client = (0, utils_1.initClient)(data.transport, data.address, debug);
    await client.connect();
    return { message: "Connected" };
};
exports.connect = connect;
const disconnect = async () => {
    assertConnected();
    await client.disconnect();
    client = null;
    return { message: "Disconnected" };
};
exports.disconnect = disconnect;
const connected = async () => {
    return { connected: !!client?.isConnected() };
};
exports.connected = connected;
const info = async () => {
    assertConnected();
    return {
        printerInfo: client.getPrinterInfo(),
        modelMetadata: client.getModelMetadata(),
        detectedPrintTask: client.getPrintTaskType(),
    };
};
exports.info = info;
const print = async (r) => {
    assertConnected();
    const options = await (0, simple_server_1.readBodyJson)(r, PrintSchema);
    let image;
    if (options.imageBase64 !== undefined) {
        image = await (0, utils_1.loadImageFromBase64)(options.imageBase64);
    }
    else if (options.imageUrl !== undefined) {
        image = await (0, utils_1.loadImageFromUrl)(options.imageUrl);
    }
    else {
        throw new simple_server_1.RestError("Image is not defined", 400);
    }
    image = image.flatten({ background: "#fff" });
    if (options.labelWidth !== undefined && options.labelHeight !== undefined) {
        image = image.resize(options.labelWidth, options.labelHeight, {
            kernel: sharp_1.default.kernel.nearest,
            fit: options.imageFit,
            position: options.imagePosition,
            background: "#fff",
        });
    }
    image = image.threshold(options.threshold);
    // await image.toFile("tmp.png");
    const printDirection = options.printDirection ?? client.getModelMetadata()?.printDirection;
    const printTask = options.printTask ?? client.getPrintTaskType();
    const encoded = await image_encoder_1.ImageEncoder.encodeImage(image, printDirection);
    if (printTask === undefined) {
        throw new simple_server_1.RestError("Unable to detect print task, please set it manually", 400);
    }
    if (debug) {
        console.log("Print task:", printTask);
    }
    await (0, utils_1.printImage)(client, printTask, encoded, {
        quantity: options.quantity,
        labelType: options.labelType,
        density: options.density,
    });
    return { message: "Printed" };
};
exports.print = print;
const scan = async (r) => {
    const options = await (0, simple_server_1.readBodyJson)(r, ScanSchema);
    if (options.transport === "ble") {
        return { devices: await headless_ble_impl_1.NiimbotHeadlessBleClient.scan(options.timeout) };
    }
    else if (options.transport === "serial") {
        return { devices: await headless_serial_impl_1.NiimbotHeadlessSerialClient.scan() };
    }
    throw new simple_server_1.RestError("Invalid transport", 400);
};
exports.scan = scan;