The code sample I posted was a simplified example to demonstrate the
issue. The actual command line script I was working on uses the response
from the get request for other things. That for...of syntax is very nice,
is it an official part of ECMAScript 6?
On Friday, July 12, 2013 2:47:28 PM UTC-7, cpprototypes wrote:
>
> 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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