Dia antes primera install

node_modules/@serialport/bindings-cpp/dist/unix-read.js

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+"use strict";
+var __importDefault = (this && this.__importDefault) || function (mod) {
+    return (mod && mod.__esModule) ? mod : { "default": mod };
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.unixRead = void 0;
+const util_1 = require("util");
+const fs_1 = require("fs");
+const errors_1 = require("./errors");
+const debug_1 = __importDefault(require("debug"));
+const logger = (0, debug_1.default)('serialport/bindings-cpp/unixRead');
+const readAsync = (0, util_1.promisify)(fs_1.read);
+const readable = (binding) => {
+    return new Promise((resolve, reject) => {
+        if (!binding.poller) {
+            throw new Error('No poller on bindings');
+        }
+        binding.poller.once('readable', err => (err ? reject(err) : resolve()));
+    });
+};
+const unixRead = async ({ binding, buffer, offset, length, fsReadAsync = readAsync, }) => {
+    logger('Starting read');
+    if (!binding.isOpen || !binding.fd) {
+        throw new errors_1.BindingsError('Port is not open', { canceled: true });
+    }
+    try {
+        const { bytesRead } = await fsReadAsync(binding.fd, buffer, offset, length, null);
+        if (bytesRead === 0) {
+            return (0, exports.unixRead)({ binding, buffer, offset, length, fsReadAsync });
+        }
+        logger('Finished read', bytesRead, 'bytes');
+        return { bytesRead, buffer };
+    }
+    catch (err) {
+        logger('read error', err);
+        if (err.code === 'EAGAIN' || err.code === 'EWOULDBLOCK' || err.code === 'EINTR') {
+            if (!binding.isOpen) {
+                throw new errors_1.BindingsError('Port is not open', { canceled: true });
+            }
+            logger('waiting for readable because of code:', err.code);
+            await readable(binding);
+            return (0, exports.unixRead)({ binding, buffer, offset, length, fsReadAsync });
+        }
+        const disconnectError = err.code === 'EBADF' || // Bad file number means we got closed
+            err.code === 'ENXIO' || // No such device or address probably usb disconnect
+            err.code === 'UNKNOWN' ||
+            err.errno === -1; // generic error
+        if (disconnectError) {
+            err.disconnect = true;
+            logger('disconnecting', err);
+        }
+        throw err;
+    }
+};
+exports.unixRead = unixRead;