image-watermark, nodejs showing error

Question

I am trying to put a watermark on an image, using image-watermark, nodejs.

const express = require('express')    
const app = express();    
var path = require('path');    
var watermark = require('image-watermark');       
app.use(express.static(path.join(__dirname, 'public')));

var options = {
    'text' : 'sample watermark', 
    'resize' : '200%'
};

app.get('/', function (req, res) {
    var fs = require('fs');
    if (fs.existsSync('./public/files/pg363.jpg')) {
        // Do something
        watermark.embedWatermark('./public/files/pg363.jpg', options);
        res.send('Hello world');
    }else{
        res.json({"filesexist":"no"});
    }

});


app.listen(3000,function(){
    console.log('App running on server 3000');
})

This is giving me error:

    events.js:163
      throw er; // Unhandled 'error' event
      ^

Error: spawn identify ENOENT
    at exports._errnoException (util.js:1050:11)
    at Process.ChildProcess._handle.onexit (internal/child_process.js:193:32)
    at onErrorNT (internal/child_process.js:367:16)
    at _combinedTickCallback (internal/process/next_tick.js:80:11)
    at process._tickCallback (internal/process/next_tick.js:104:9)

is this error related to filepath. my directory structure is pdf-watermark(home directory)-> public-> files-> pg363.jpg

Please help.

were you able to fix this issue? I'm stuck on this now :( – VipiN Negi Sep 29 '20 at 15:09 — VipiN Negi, Sep 29 '20 at 15:09
@VipiNNegi Im stuck here too – scrollout Oct 06 '20 at 22:50 — scrollout, Oct 06 '20 at 22:50

Phil Booth · Answer 1 · 2017-09-15T06:02:48.017

ENOENT means that node can't open the file for some reason, which could be caused by a few things.

Firstly, you should specify the full path to your image file, using path.resolve and __dirname:

const imagePath = path.resolve(__dirname, 'public/files/pg363.jpg');
if (fs.existsSync(imagePath)) {
    watermark.embedWatermark(imagePath, options);
    // ...
}

Secondly, you should also make sure that node is running as a user with appropriate read/write permissions to update the image file.

image-watermark, nodejs showing error

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