From 61887a7f1c67a46f4441eddf98b999192498522e Mon Sep 17 00:00:00 2001
From: Kohei Watanabe <kou029w@gmail.com>
Date: Fri, 18 Oct 2019 21:44:44 +0900
Subject: [PATCH] yarn build

---
 index.d.ts | 10 +++-------
 index.js   | 17 ++++++++++++-----
 2 files changed, 15 insertions(+), 12 deletions(-)

diff --git a/index.d.ts b/index.d.ts
index 531c600..b761d8f 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -12,12 +12,6 @@ interface GPIOChangeEvent {
 interface GPIOChangeEventHandler {
     (event: GPIOChangeEvent): void;
 }
-/**
- * Not a specification in Web GPIO API.
- */
-interface GPIOPortChangeEventHandler {
-    (event: GPIOChangeEvent["value"]): void;
-}
 export declare class GPIOAccess extends EventEmitter {
     private readonly _ports;
     onchange: GPIOChangeEventHandler | undefined;
@@ -40,7 +34,7 @@ export declare class GPIOPort extends EventEmitter {
     private _exported;
     private _value;
     private _timeout;
-    onchange: GPIOPortChangeEventHandler | undefined;
+    onchange: GPIOChangeEventHandler | undefined;
     constructor(portNumber: PortNumber);
     readonly portNumber: PortNumber;
     readonly portName: PortName;
@@ -53,8 +47,10 @@ export declare class GPIOPort extends EventEmitter {
     write(value: GPIOValue): Promise<void>;
 }
 export declare class InvalidAccessError extends Error {
+    constructor(message: string);
 }
 export declare class OperationError extends Error {
+    constructor(message: string);
 }
 export declare function requestGPIOAccess(): Promise<GPIOAccess>;
 export {};
diff --git a/index.js b/index.js
index 80f2676..ef4fb1a 100644
--- a/index.js
+++ b/index.js
@@ -21,8 +21,7 @@ class GPIOAccess extends events_1.EventEmitter {
     constructor(ports) {
         super();
         this._ports = ports == null ? new GPIOPortMap() : ports;
-        this._ports.forEach(port => port.on("change", value => {
-            const event = { value, port };
+        this._ports.forEach(port => port.on("change", event => {
             this.emit("change", event);
         }));
         this.on("change", (event) => {
@@ -54,9 +53,9 @@ class GPIOPort extends events_1.EventEmitter {
         this._pollingInterval = PollingInterval;
         this._direction = new OperationError("Unknown direction.");
         this._exported = new OperationError("Unknown export.");
-        this.on("change", (value) => {
+        this.on("change", (event) => {
             if (this.onchange !== undefined)
-                this.onchange(value);
+                this.onchange(event);
         });
     }
     get portNumber() {
@@ -125,7 +124,7 @@ class GPIOPort extends events_1.EventEmitter {
             const value = parseUint16(buffer.toString());
             if (this._value !== value) {
                 this._value = value;
-                this.emit("change", value);
+                this.emit("change", { value, port: this });
             }
             return value;
         }
@@ -147,9 +146,17 @@ class GPIOPort extends events_1.EventEmitter {
 }
 exports.GPIOPort = GPIOPort;
 class InvalidAccessError extends Error {
+    constructor(message) {
+        super(message);
+        this.name = this.constructor.name;
+    }
 }
 exports.InvalidAccessError = InvalidAccessError;
 class OperationError extends Error {
+    constructor(message) {
+        super(message);
+        this.name = this.constructor.name;
+    }
 }
 exports.OperationError = OperationError;
 async function requestGPIOAccess() {