48 lines
777 B
Markdown
48 lines
777 B
Markdown
---
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tags:
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- Programming_Languages
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- backend
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- node-js
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---
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## Read file from directory (JSON)
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````js
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const fs = require("fs");
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// Get raw JSON
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let inputJson = fs.readFileSync("source.json");
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// Convert to JS
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let data = JSON.parse(inputJson);
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````
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## Write file to directory (JSON)
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````js
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let newFile = 'new.json';
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// Write JS object to JSON file as JSON
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fs.writeFileSync(writePath, JSON.stringify(alienblood));
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````
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## Delete file from directory
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````js
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let filePath = 'file-to-delete.json';
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fs.unlinkSync(filePath);
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````
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## Applications
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### Overwrite file
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````js
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if (fs.existsSync(writePath)) {
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fs.unlinkSync(writePath);
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fs.writeFileSync(writePath, JSON.stringify(someJS));
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} else {
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fs.writeFileSync(writePath, JSON.stringif(someJS));
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}
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````
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