I'm using node 0.11.3 with --harmony-generators to try the new feature. I
found two libraries that should help use existing node callback-based code
with generators (suspend and galaxy). The code I'm trying to run was
similar to the following:
(using suspend)
var fs = require('fs');
var request = require('request');
suspend(function* (resume) {
var contents = yield fs.readFile('idList.json', 'utf8', resume);
contents.split('\n').forEach(function(id) {
var info = yield request.get('http://www.example.com?id='+id,
resume);
});
})();
(using galaxy)
var galaxy = require('galaxy');
var fs = galaxy.star(require('fs'));
var request = galaxy.star(require('request'));
function* main() {
var contents = yield fs.readFile('idList.json', 'utf8');
contents.split('\n').forEach(function(id) {
var info = yield request.get('http://www.example.com?id='+id);
});
};
galaxy.unstar(main)(function(err, result) {
console.log('done');
});
Using either library, when node tries to execute the get request ("var info
= yield request.get...") it exits with the following error:
SyntaxError: Unexpected identifier
And the error highlights the "request" part in "var info = yield
request.get..." I'm guessing that the creation of the new function scope
in the forEach is somehow causing an issue. But I'm not sure why it's not
working.
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