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13 changes: 10 additions & 3 deletions function/index.js
Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
let {createCanvas} = require("canvas");
let {createCanvas} = require('canvas');

exports.handler = function(event, context, callback) {
exports.handler = async (event) => {
let canvas = createCanvas(200, 200),
ctx = canvas.getContext('2d');

Expand All @@ -17,5 +17,12 @@ exports.handler = function(event, context, callback) {
ctx.lineTo(50 + text.width, 102);
ctx.stroke();

callback(null, '<img src="' + canvas.toDataURL() + '" />');
return {
statusCode: 200,
headers: {
'Content-Type': 'image/png'
},
body: canvas.toDataURL().replace(/data:image\/png;base64,/, ''),
isBase64Encoded: true
}
}
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15 changes: 0 additions & 15 deletions layer/nodejs/package.json

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