85 lines
2.9 KiB
Markdown
85 lines
2.9 KiB
Markdown
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---
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id: aa7697ea2477d1316795783b
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title: Pig Latin
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isRequired: true
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challengeType: 5
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---
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## Description
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<section id='description'>
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Translate the provided string to pig latin.
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<a href="http://en.wikipedia.org/wiki/Pig_Latin" target="_blank">Pig Latin</a> takes the first consonant (or consonant cluster) of an English word, moves it to the end of the word and suffixes an "ay".
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If a word begins with a vowel you just add "way" to the end.
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Input strings are guaranteed to be English words in all lowercase.
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Remember to use <a href='http://forum.freecodecamp.org/t/how-to-get-help-when-you-are-stuck/19514' target='_blank'>Read-Search-Ask</a> if you get stuck. Try to pair program. Write your own code.
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</section>
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## Instructions
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<section id='instructions'>
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</section>
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## Tests
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<section id='tests'>
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```yml
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- text: <code>translatePigLatin("california")</code> should return "aliforniacay".
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testString: 'assert.deepEqual(translatePigLatin("california"), "aliforniacay", "<code>translatePigLatin("california")</code> should return "aliforniacay".");'
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- text: <code>translatePigLatin("paragraphs")</code> should return "aragraphspay".
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testString: 'assert.deepEqual(translatePigLatin("paragraphs"), "aragraphspay", "<code>translatePigLatin("paragraphs")</code> should return "aragraphspay".");'
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- text: <code>translatePigLatin("glove")</code> should return "oveglay".
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testString: 'assert.deepEqual(translatePigLatin("glove"), "oveglay", "<code>translatePigLatin("glove")</code> should return "oveglay".");'
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- text: <code>translatePigLatin("algorithm")</code> should return "algorithmway".
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testString: 'assert.deepEqual(translatePigLatin("algorithm"), "algorithmway", "<code>translatePigLatin("algorithm")</code> should return "algorithmway".");'
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- text: <code>translatePigLatin("eight")</code> should return "eightway".
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testString: 'assert.deepEqual(translatePigLatin("eight"), "eightway", "<code>translatePigLatin("eight")</code> should return "eightway".");'
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- text: Should handle words where the first vowel comes in the end of the word.
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testString: 'assert.deepEqual(translatePigLatin("schwartz"), "artzschway", "Should handle words where the first vowel comes in the end of the word.");'
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- text: Should handle words without vowels.
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testString: 'assert.deepEqual(translatePigLatin("rhythm"), "rhythmay", "Should handle words without vowels.");'
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```
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</section>
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## Challenge Seed
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<section id='challengeSeed'>
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<div id='js-seed'>
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```js
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function translatePigLatin(str) {
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return str;
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}
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translatePigLatin("consonant");
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```
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</div>
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</section>
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## Solution
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<section id='solution'>
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```js
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function translatePigLatin(str) {
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if (isVowel(str.charAt(0))) return str + "way";
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var front = [];
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str = str.split(");
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while (str.length && !isVowel(str[0])) {
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front.push(str.shift());
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}
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return [].concat(str, front).join(") + 'ay';
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}
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function isVowel(c) {
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return ['a', 'e', 'i', 'o', 'u'].indexOf(c.toLowerCase()) !== -1;
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}
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```
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</section>
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