diff --git a/dist/index.d.ts b/dist/index.d.ts
index e608b37..0174f99 100644
--- a/dist/index.d.ts
+++ b/dist/index.d.ts
@@ -1,2 +1 @@
-export { default as power } from "./sample";
-export { default as sqrt } from "./sample2";
+export { default as useCountdown } from './useCountdown';
diff --git a/dist/index.js b/dist/index.js
index 1e35e9b..03a1634 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -3,8 +3,6 @@ var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
-exports.sqrt = exports.power = void 0;
-var sample_1 = require("./sample");
-Object.defineProperty(exports, "power", { enumerable: true, get: function () { return __importDefault(sample_1).default; } });
-var sample2_1 = require("./sample2");
-Object.defineProperty(exports, "sqrt", { enumerable: true, get: function () { return __importDefault(sample2_1).default; } });
+exports.useCountdown = void 0;
+var useCountdown_1 = require("./useCountdown");
+Object.defineProperty(exports, "useCountdown", { enumerable: true, get: function () { return __importDefault(useCountdown_1).default; } });
diff --git a/dist/sample.d.ts b/dist/sample.d.ts
deleted file mode 100644
index 963341c..0000000
--- a/dist/sample.d.ts
+++ /dev/null
@@ -1,2 +0,0 @@
-declare const power: (n?: number | undefined) => number | undefined;
-export default power;
diff --git a/dist/sample.js b/dist/sample.js
deleted file mode 100644
index b42ee12..0000000
--- a/dist/sample.js
+++ /dev/null
@@ -1,12 +0,0 @@
-"use strict";
-Object.defineProperty(exports, "__esModule", { value: true });
-var power = function (n) {
- if (typeof n === "undefined" || n === null) {
- return undefined;
- }
- if (typeof n !== "number") {
- return undefined;
- }
- return Math.pow(n, 2);
-};
-exports.default = power;
diff --git a/dist/sample2.d.ts b/dist/sample2.d.ts
deleted file mode 100644
index 89893ee..0000000
--- a/dist/sample2.d.ts
+++ /dev/null
@@ -1,2 +0,0 @@
-declare const sqrt: (n: number) => number | undefined;
-export default sqrt;
diff --git a/dist/sample2.js b/dist/sample2.js
deleted file mode 100644
index 8e40986..0000000
--- a/dist/sample2.js
+++ /dev/null
@@ -1,12 +0,0 @@
-"use strict";
-Object.defineProperty(exports, "__esModule", { value: true });
-var sqrt = function (n) {
- if (typeof n === "undefined" || n === null) {
- return undefined;
- }
- if (typeof n !== "number") {
- return undefined;
- }
- return Math.sqrt(n);
-};
-exports.default = sqrt;
diff --git a/dist/useCountdown.d.ts b/dist/useCountdown.d.ts
new file mode 100644
index 0000000..d1c80e9
--- /dev/null
+++ b/dist/useCountdown.d.ts
@@ -0,0 +1,12 @@
+interface useCountdownOptions {
+ now?: () => Date;
+ onEnd?: () => void;
+ onCount?: (timeLeft: number) => void;
+ step?: number;
+}
+interface CountdownHookResult {
+ timeleft: number;
+ start: (timeLeft: number) => void;
+}
+declare function useCountdown(options?: useCountdownOptions): CountdownHookResult;
+export default useCountdown;
diff --git a/dist/useCountdown.js b/dist/useCountdown.js
new file mode 100644
index 0000000..60bd86b
--- /dev/null
+++ b/dist/useCountdown.js
@@ -0,0 +1,54 @@
+"use strict";
+var __assign = (this && this.__assign) || function () {
+ __assign = Object.assign || function(t) {
+ for (var s, i = 1, n = arguments.length; i < n; i++) {
+ s = arguments[i];
+ for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
+ t[p] = s[p];
+ }
+ return t;
+ };
+ return __assign.apply(this, arguments);
+};
+var __importDefault = (this && this.__importDefault) || function (mod) {
+ return (mod && mod.__esModule) ? mod : { "default": mod };
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+var react_1 = __importDefault(require("react"));
+var DEFAULT_OPTIONS = {
+ step: 1000
+};
+function useCountdown(options) {
+ var _a = react_1.default.useState(), timeleft = _a[0], setTimeleft = _a[1];
+ var _b = react_1.default.useState(), targetDatetime = _b[0], setTargetDatetime = _b[1];
+ var _c = __assign(__assign({}, DEFAULT_OPTIONS), options), step = _c.step, onCount = _c.onCount, onEnd = _c.onEnd;
+ var start = function (countAsM) {
+ setTimeleft(countAsM);
+ };
+ var varTimeout = null;
+ react_1.default.useEffect(function () {
+ return function () { return clearTimeout(varTimeout); };
+ }, []);
+ react_1.default.useEffect(function () {
+ if (timeleft === undefined) {
+ return;
+ }
+ var newTimeleft = timeleft - step;
+ if (newTimeleft < 0) {
+ setTimeleft(0);
+ onEnd === null || onEnd === void 0 ? void 0 : onEnd();
+ }
+ else {
+ onCount === null || onCount === void 0 ? void 0 : onCount(timeleft);
+ varTimeout = setTimeout(function () {
+ setTimeleft(newTimeleft);
+ }, step);
+ }
+ }, [timeleft]);
+ var result = {
+ timeleft: timeleft || 0,
+ start: start
+ };
+ return result;
+}
+exports.default = useCountdown;
diff --git a/example/.gitignore b/example/.gitignore
new file mode 100644
index 0000000..4d29575
--- /dev/null
+++ b/example/.gitignore
@@ -0,0 +1,23 @@
+# See https://help.github.com/articles/ignoring-files/ for more about ignoring files.
+
+# dependencies
+/node_modules
+/.pnp
+.pnp.js
+
+# testing
+/coverage
+
+# production
+/build
+
+# misc
+.DS_Store
+.env.local
+.env.development.local
+.env.test.local
+.env.production.local
+
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
diff --git a/example/README.md b/example/README.md
new file mode 100644
index 0000000..9c40dcd
--- /dev/null
+++ b/example/README.md
@@ -0,0 +1,68 @@
+This project was bootstrapped with [Create React App](https://github.com/facebook/create-react-app).
+
+## Available Scripts
+
+In the project directory, you can run:
+
+### `yarn start`
+
+Runs the app in the development mode.
+Open [http://localhost:3000](http://localhost:3000) to view it in the browser.
+
+The page will reload if you make edits.
+You will also see any lint errors in the console.
+
+### `yarn test`
+
+Launches the test runner in the interactive watch mode.
+See the section about [running tests](https://facebook.github.io/create-react-app/docs/running-tests) for more information.
+
+### `yarn build`
+
+Builds the app for production to the `build` folder.
+It correctly bundles React in production mode and optimizes the build for the best performance.
+
+The build is minified and the filenames include the hashes.
+Your app is ready to be deployed!
+
+See the section about [deployment](https://facebook.github.io/create-react-app/docs/deployment) for more information.
+
+### `yarn eject`
+
+**Note: this is a one-way operation. Once you `eject`, you can’t go back!**
+
+If you aren’t satisfied with the build tool and configuration choices, you can `eject` at any time. This command will remove the single build dependency from your project.
+
+Instead, it will copy all the configuration files and the transitive dependencies (webpack, Babel, ESLint, etc) right into your project so you have full control over them. All of the commands except `eject` will still work, but they will point to the copied scripts so you can tweak them. At this point you’re on your own.
+
+You don’t have to ever use `eject`. The curated feature set is suitable for small and middle deployments, and you shouldn’t feel obligated to use this feature. However we understand that this tool wouldn’t be useful if you couldn’t customize it when you are ready for it.
+
+## Learn More
+
+You can learn more in the [Create React App documentation](https://facebook.github.io/create-react-app/docs/getting-started).
+
+To learn React, check out the [React documentation](https://reactjs.org/).
+
+### Code Splitting
+
+This section has moved here: https://facebook.github.io/create-react-app/docs/code-splitting
+
+### Analyzing the Bundle Size
+
+This section has moved here: https://facebook.github.io/create-react-app/docs/analyzing-the-bundle-size
+
+### Making a Progressive Web App
+
+This section has moved here: https://facebook.github.io/create-react-app/docs/making-a-progressive-web-app
+
+### Advanced Configuration
+
+This section has moved here: https://facebook.github.io/create-react-app/docs/advanced-configuration
+
+### Deployment
+
+This section has moved here: https://facebook.github.io/create-react-app/docs/deployment
+
+### `yarn build` fails to minify
+
+This section has moved here: https://facebook.github.io/create-react-app/docs/troubleshooting#npm-run-build-fails-to-minify
diff --git a/example/index.js b/example/index.js
deleted file mode 100644
index ce09bef..0000000
--- a/example/index.js
+++ /dev/null
@@ -1,12 +0,0 @@
-const { sqrt, power } = require("lib-name")
-
-console.log("Example Power : ")
-console.log("==========================")
-console.log("Result of 2 = ", power(2))
-console.log("Result of 4 = ", power(4))
-
-
-console.log("Example Sqrt : ")
-console.log("==========================")
-console.log("Result of 4 = ", sqrt(4))
-console.log("Result of 100 = ", sqrt(100))
diff --git a/example/package.json b/example/package.json
index e97f181..9cf1dbe 100644
--- a/example/package.json
+++ b/example/package.json
@@ -1,14 +1,35 @@
{
- "name": "lib-example",
- "version": "1.0.0",
- "description": "Example of Develop Library",
- "main": "index.js",
- "license": "MIT",
- "private": false,
+ "name": "example",
+ "version": "0.1.0",
+ "private": true,
"dependencies": {
- "lib-name": "link:../"
+ "@testing-library/jest-dom": "^4.2.4",
+ "@testing-library/react": "^9.3.2",
+ "@testing-library/user-event": "^7.1.2",
+ "cubetiq-react-use-countdown": "link:../",
+ "react": "^16.13.1",
+ "react-dom": "^16.13.1",
+ "react-scripts": "3.4.3"
},
"scripts": {
- "start": "node index.js"
+ "start": "react-scripts start",
+ "build": "react-scripts build",
+ "test": "react-scripts test",
+ "eject": "react-scripts eject"
+ },
+ "eslintConfig": {
+ "extends": "react-app"
+ },
+ "browserslist": {
+ "production": [
+ ">0.2%",
+ "not dead",
+ "not op_mini all"
+ ],
+ "development": [
+ "last 1 chrome version",
+ "last 1 firefox version",
+ "last 1 safari version"
+ ]
}
}
diff --git a/example/public/favicon.ico b/example/public/favicon.ico
new file mode 100644
index 0000000..bcd5dfd
Binary files /dev/null and b/example/public/favicon.ico differ
diff --git a/example/public/index.html b/example/public/index.html
new file mode 100644
index 0000000..aa069f2
--- /dev/null
+++ b/example/public/index.html
@@ -0,0 +1,43 @@
+
+
+