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Gulp-concat: Wrap All Js In A Unique $(document)

- 1 answer

Is it possible to wrap all added js in a $(document).ready(function(){ as first line and }); as last line in cases using gulp-concat?

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Answer

you can use gulp-concat-util for this

it does concat all files, and optionally add header line & footer line to concatenated text

var concat = require('gulp-concat-util');

gulp.task('concat:dist', function() {
  gulp.src('scripts/{,*/}*.js')
    .pipe(concat(pkg.name + '.js', {process: function(src) { return (src.trim() + '\n').replace(/(^|\n)[ \t]*('use strict'|"use strict");?\s*/g, '$1'); }}))
    .pipe(concat.header('(function(window, document, undefined) {\n\'use strict\';\n'))
    .pipe(concat.footer('\n})(window, document);\n'))
    .pipe(gulp.dest('dist'));
});
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source: stackoverflow.com
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