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May 19, 2018 20:07
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| class Copy { | |
| static language = 'en'; | |
| static languageMap = { | |
| en: { Hello: 'Hello' }, | |
| sp: { Hello: 'Hola' }, | |
| }; | |
| set language(language) { | |
| Copy.language = language; | |
| } | |
| get language() { | |
| return Copy.language; | |
| } | |
| write(text = '') { | |
| const { language, languageMap } = Copy; | |
| const hasMatch = languageMap[language] && languageMap[language][text]; | |
| const words = hasMatch ? languageMap[language][text] : text; | |
| return words; | |
| } | |
| } | |
| // Make Copy a singleton | |
| const instance = new Copy(); | |
| Object.freeze(instance); | |
| export default instance; | |
| // Somewhere else in your code | |
| import React from 'react'; | |
| import Copy from './Copy'; | |
| // You can set this once in a root component and it will stay the same everywhere because it is a singleton | |
| Copy.language = 'sp'; | |
| export default class App extends React.PureComponent { | |
| render() { | |
| // outputs "Hola World!" | |
| return ( | |
| <h1>{Copy.write('Hello')} World!</h1> | |
| ); | |
| } | |
| } |
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