- dataStore.js
- livrosdb.json
Created
September 15, 2017 00:52
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Data-store nodejs module
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| #!/usr/bin/env node | |
| var livrosdb = require('data-store')('livrosdb',{cwd: 'db'}) | |
| var livros = [ | |
| { | |
| "titulo": "Essential System Administration", | |
| "autor": "Aeleen Frisch", | |
| "ano": "2002" | |
| }, | |
| { | |
| "titulo": "Linux - The Complete Reference", | |
| "autor": "Richard Petersen", | |
| "ano": "2008" | |
| }, | |
| { | |
| "titulo": "Speaking Javascript", | |
| "autor": "Axel Rauschmayer", | |
| "ano": "2014" | |
| } | |
| ]; | |
| if (livrosdb.has('livros')) { | |
| livros = livrosdb.get('livros') | |
| } else { | |
| console.log('criando a definição de livros') | |
| livrosdb.set('livros',livros) | |
| livrosdb.save() | |
| } | |
| livrosdb.set('font-size',16) | |
| livrosdb.set('font-weight',"medium") | |
| livrosdb.set('temp',999) | |
| livrosdb.union('font-size',22) | |
| livrosdb.del('temp') | |
| console.log("Resultado de livrosdb.get():") | |
| console.log(livrosdb.get()) |
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| { | |
| "livros": [ | |
| { | |
| "titulo": "Essential System Administration", | |
| "autor": "Aeleen Frisch", | |
| "ano": "2002" | |
| }, | |
| { | |
| "titulo": "Linux - The Complete Reference", | |
| "autor": "Richard Petersen", | |
| "ano": "2008" | |
| }, | |
| { | |
| "titulo": "Speaking Javascript", | |
| "autor": "Axel Rauschmayer", | |
| "ano": "2014" | |
| } | |
| ], | |
| "font-size": [ | |
| 16, | |
| 22 | |
| ], | |
| "font-weight": "medium" | |
| } |
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