checking in docs for github.io page

This commit is contained in:
Ken
2019-02-19 23:41:11 -08:00
parent e88ba9c448
commit 164db9dd93
194 changed files with 103939 additions and 5 deletions

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<!DOCTYPE html>
<html>
<body>
For this step, we look at unit testing. Run
<pre>npm test</pre>
in the command line.
<script type="text/javascript" src="../../step2-04/demo/step2-04/demo.js"></script></body>
</html>

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import { square } from '.';
describe('jest example', () => {
beforeEach(() => {
jest.resetModules();
});
it('should be able to give the square of two numbers', () => {
console.log('test');
expect(square(5)).toBe(25);
});
it('should increment counter', () => {
const { increment } = require('.');
expect(increment()).toBe(1);
});
it('should decrement counter', () => {
const { decrement } = require('.');
expect(decrement()).toBe(-1);
});
it('should retrieve count', () => {
const { decrement, getCount, increment } = require('.');
increment();
increment();
decrement();
increment();
expect(getCount()).toBe(2);
});
});

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let counter = 0;
export function getCount() {
return counter;
}
export function increment() {
return ++counter;
}
export function decrement() {
return --counter;
}
export function square(x: number) {
return x * x;
}

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export type FilterTypes = 'all' | 'active' | 'completed';
export interface TodoItem {
label: string;
completed: boolean;
}
export interface Store {
todos: {
[id: string]: TodoItem;
};
filter: FilterTypes;
}

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/***/ "./step2-04/demo/src/index.ts":
/*!************************************!*\
!*** ./step2-04/demo/src/index.ts ***!
\************************************/
/*! exports provided: getCount, increment, decrement, square */
/***/ (function(module, __webpack_exports__, __webpack_require__) {
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eval("__webpack_require__.r(__webpack_exports__);\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"getCount\", function() { return getCount; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"increment\", function() { return increment; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"decrement\", function() { return decrement; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"square\", function() { return square; });\nvar counter = 0;\nfunction getCount() {\n return counter;\n}\nfunction increment() {\n return ++counter;\n}\nfunction decrement() {\n return --counter;\n}\nfunction square(x) {\n return x * x;\n}\n\n\n//# sourceURL=webpack:///./step2-04/demo/src/index.ts?");
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