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Feat: add new Markdown parser (#39800)

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and change all the challenges to new `md` format.
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Oliver Eyton-Williams
2020-11-27 19:02:05 +01:00
committed by GitHub
parent a07f84c8ec
commit 0bd52f8bd1
2580 changed files with 113436 additions and 111979 deletions
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92
curriculum/challenges/english/10-coding-interview-prep/rosetta-code/date-manipulation.md
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@ -1,50 +1,69 @@
---
title: Date manipulation
id: 5966c21cf732a95f1b67dd28
title: Date manipulation
challengeType: 5
forumTopicId: 302244
---
## Description
<section id='description'>
# --description--
Given a date string in EST, output the given date as a string with 12 hours added to the time. Time zone should be preserved.
Example input: <code>"March 6 2009 7:30pm EST"</code>
Example output: <code>"March 7 2009 7:30am EST"</code>
</section>
## Instructions
<section id='instructions'>
Example input: `"March 6 2009 7:30pm EST"`
</section>
Example output: `"March 7 2009 7:30am EST"`
## Tests
<section id='tests'>
# --hints--
```yml
tests:
- text: <code>add12Hours</code> should be a function.
testString: assert(typeof add12Hours === 'function');
- text: <code>add12Hours(dateString)</code> should return a string.
testString: assert(typeof add12Hours('January 17 2017 11:43am EST') === 'string');
- text: <code>add12Hours("January 17 2017 11:43am EST")</code> should return <code>"January 17 2017 11:43pm EST"</code>
testString: assert(add12Hours('January 17 2017 11:43am EST') === 'January 17 2017 11:43pm EST');
- text: Should handle day change. <code>add12Hours("March 6 2009 7:30pm EST")</code> should return <code>"March 7 2009 7:30am EST"</code>
testString: assert(add12Hours('March 6 2009 7:30pm EST') === 'March 7 2009 7:30am EST');
- text: Should handle month change in a leap years. <code>add12Hours("February 29 2004 9:15pm EST")</code> should return <code>"March 1 2004 9:15am EST"</code>
testString: assert(add12Hours('February 29 2004 9:15pm EST') === 'March 1 2004 9:15am EST');
- text: Should handle month change in a common years. <code>add12Hours("February 28 1999 3:15pm EST")</code> should return <code>"March 1 1999 3:15am EST"</code>
testString: assert(add12Hours('February 28 1999 3:15pm EST') === 'March 1 1999 3:15am EST');
- text: Should handle year change. <code>add12Hours("December 31 2020 1:45pm EST")</code> should return <code>"January 1 2021 1:45am EST"</code>
testString: assert(add12Hours('December 31 2020 1:45pm EST') === 'January 1 2021 1:45am EST');
`add12Hours` should be a function.
```js
assert(typeof add12Hours === 'function');
```
</section>
`add12Hours(dateString)` should return a string.
## Challenge Seed
<section id='challengeSeed'>
```js
assert(typeof add12Hours('January 17 2017 11:43am EST') === 'string');
```
<div id='js-seed'>
`add12Hours("January 17 2017 11:43am EST")` should return `"January 17 2017 11:43pm EST"`
```js
assert(
add12Hours('January 17 2017 11:43am EST') === 'January 17 2017 11:43pm EST'
);
```
Should handle day change. `add12Hours("March 6 2009 7:30pm EST")` should return `"March 7 2009 7:30am EST"`
```js
assert(add12Hours('March 6 2009 7:30pm EST') === 'March 7 2009 7:30am EST');
```
Should handle month change in a leap years. `add12Hours("February 29 2004 9:15pm EST")` should return `"March 1 2004 9:15am EST"`
```js
assert(add12Hours('February 29 2004 9:15pm EST') === 'March 1 2004 9:15am EST');
```
Should handle month change in a common years. `add12Hours("February 28 1999 3:15pm EST")` should return `"March 1 1999 3:15am EST"`
```js
assert(add12Hours('February 28 1999 3:15pm EST') === 'March 1 1999 3:15am EST');
```
Should handle year change. `add12Hours("December 31 2020 1:45pm EST")` should return `"January 1 2021 1:45am EST"`
```js
assert(
add12Hours('December 31 2020 1:45pm EST') === 'January 1 2021 1:45am EST'
);
```
# --seed--
## --seed-contents--
```js
function add12Hours(dateString) {
@ -53,13 +72,7 @@ function add12Hours(dateString) {
}
```
</div>
</section>
## Solution
<section id='solution'>
# --solutions--
```js
function add12Hours(dateString) {
@ -92,7 +105,4 @@ function add12Hours(dateString) {
return `${months[date.getMonth()]} ${date.getDate()} ${date.getFullYear()} ${hoursOutput}:${date.getMinutes()}${abbreviation} EST`;
}
```
</section>