Convert and replace image-files within your axml to base64-encoded data.
var gulp = require('gulp');
var base64image = require('gulp-axml-base64image');
gulp.task('default', function () {
gulp.src('index.axml')
.pipe(base64image())
.pipe(gulp.dest('path'));
});<html>
<head>
</head>
<body>
<img src="sample.png" />
...<html>
<head>
</head>
<body>
<img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAQAAAAEACAYAAABccqhmAACksUlEQVR42ux9B5glV3F195ud2dkkaSXxE22SDTYigwwWSUQHsAgCEyTAgBAgE0wGA79JwiKDAIlkhEPPJciawUFHLGF/Mko51PVU5iY02AA34XosMiEFoAn5qVkANGNwal6+Zdv3779C9PT04c5gVYdNxpWKDBPFK44d3ikA7PzBUsvvHLk4gQws4lERiUoO/Z.........OQ0DWwzCTB9RmaiuBoPsBAR+WkP8P8P9Dkk/CchwHO9GihcW3nRy3sAIQC1/w321MlZW+X4/vxvA+5kGkVv7n2NF/1+sxWIK5w/8D8wN5gTO2PIIAAAAASUVORK5CYII=">
...MIT
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