regexper-static/lib/canopy-transform.js

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var through = require('through'),
canopy = require('canopy');
module.exports = function(file) {
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var data = '';
if (!/\.peg$/.test(file)) {
return through();
}
return through(
function(buf) {
data += buf;
},
function() {
try {
this.queue(String(canopy.compile(data)));
} catch(err) {
this.emit('error', err);
}
this.queue(null);
}
);
};