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DavidWells/dynamic-html-lambda.js

Created January 26, 2019 01:37
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Respond with dynamic HTML from a lambda function
Raw
dynamic-html-lambda.js
module.exports = (event, context, callback) => {
let name
if (event.pathParameters && event.pathParameters.name) {
name = event.pathParameters.name
}
/* generate the hello paragraph */
const helloParagraph = greetPerson(name)
// callback is sending HTML back
return callback(null, {
statusCode: 200,
headers: {
'Content-Type': 'text/html',
},
body: generateHtmlPage(helloParagraph),
})
}
/* Utility function for rendering HTML */
function generateHtmlPage(content) {
/* for security always escape output html */
// const safeValues = escapeHtml(content)
return `
<html>
<style>
h1 { color: #73757d }
</style>
<body>
${content}
</body>
</html>`
}
/* Utility function for rendering hello message HTML */
function greetPerson(name) {
const userName = name || 'Unknown Person!'
return `<p>Hey ${userName}!</p>`
}
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