38 lines
1.1 KiB
JavaScript
38 lines
1.1 KiB
JavaScript
import { Observable } from 'rx';
|
|
import loopProtect from 'loop-protect';
|
|
|
|
loopProtect.hit = function hit(line) {
|
|
var err = 'Error: Exiting potential infinite loop at line ' +
|
|
line +
|
|
'. To disable loop protection, write: \n\\/\\/ noprotect\nas the first' +
|
|
'line. Beware that if you do have an infinite loop in your code' +
|
|
'this will crash your browser.';
|
|
console.error(err);
|
|
};
|
|
|
|
const transformersForHtmlJS = {
|
|
ext: /html|js/,
|
|
transformers: [
|
|
{
|
|
name: 'add-loop-protect',
|
|
transformer: function addLoopProtect(file) {
|
|
file.contents = loopProtect(file.contents);
|
|
return file;
|
|
}
|
|
}
|
|
]
|
|
};
|
|
|
|
|
|
// Observable[Observable[File]]::addLoopProtect() => Observable[String]
|
|
export default function transformers() {
|
|
const source = this;
|
|
return source.map(files$ => files$.flatMap(file => {
|
|
if (!transformersForHtmlJS.ext.test(file.ext)) {
|
|
return Observable.just(file);
|
|
}
|
|
return Observable.from(transformersForHtmlJS.transformers)
|
|
.reduce((file, context) => context.transformer(file), file);
|
|
}));
|
|
}
|