expressjsHow do I use Express.js to parse YAML files?
Express.js is a web application framework for Node.js that is used for building web applications. It can be used to parse YAML files using the js-yaml
module.
const express = require('express');
const yaml = require('js-yaml');
const app = express();
app.get('/', (req, res) => {
const yamlString = `
a: 1
b: 2
`;
const data = yaml.load(yamlString);
res.send(data);
});
app.listen(3000);
Output example
{ a: 1, b: 2 }
The code above uses the following parts:
const express = require('express');
- This imports the Express.js module.const yaml = require('js-yaml');
- This imports thejs-yaml
module, which is used to parse YAML files.const app = express();
- This creates an Express.js application.app.get('/', (req, res) => {
- This is a route handler for the root path'/'
that is triggered when a GET request is sent to the server.const yamlString =
- This is a string containing a YAML document.yaml.load(yamlString)
- This parses the YAML string and returns an object.res.send(data);
- This sends the parsed data as a response.app.listen(3000);
- This starts the server on port 3000.
Helpful links
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