babel/doc/browser.md

Browser

A browser version of 6to5 is available from browser.js inside the 6to5 directory in an npm release.

API

to5.transform("class Test {}").code;

Scripts

While it's not recommended for serious use, when the browser version is included all scripts with the type text/ecmascript-6 and text/6to5 are automatically compiled and ran.

For example:

<script src="node_modules/6to5/browser.js"></script>
<script type="text/6to5">
class Test {
  test() {
    return "test";
  }
}

var test = new Test;
test.test();
</script>

Build

You can build a browser version of the compiler by running the following in the 6to5 directory:

$ make build

This will output the files dist/6to5.js and dist/6to5.min.js.

Test

To test 6to5 in your browser run:

$ make test-browser

And open test/browser.html in your browser if it doesn't open automatically.