From fcf4393680191584677872c686f26bfff01e4f37 Mon Sep 17 00:00:00 2001
From: Tobias Bosch
Date: Thu, 6 Feb 2014 17:49:14 -0800
Subject: chore(build): Update closure i18n integration

Use git repo as source and use q-io instead of q-fs
---
 i18n/src/closureSlurper.js | 40 ++++++++++++++++++++++++++++------------
 1 file changed, 28 insertions(+), 12 deletions(-)

(limited to 'i18n/src')

diff --git a/i18n/src/closureSlurper.js b/i18n/src/closureSlurper.js
index 9f236cf2..02a1d9ef 100755
--- a/i18n/src/closureSlurper.js
+++ b/i18n/src/closureSlurper.js
@@ -2,7 +2,7 @@
 'use strict';
 
 var Q  = require('q'),
-    qfs  = require('q-fs'),
+    qfs  = require('q-io/fs'),
     converter = require('./converter.js'),
     util = require('./util.js'),
     closureI18nExtractor = require('./closureI18nExtractor.js'),
@@ -47,24 +47,40 @@ function extractPlurals() {
 
 function writeLocaleFiles() {
   console.log('Final stage: Writing angular locale files to directory: %j', NG_LOCALE_DIR);
-  var writePromises = [];
+  var result = Q.defer();
   var localeIds = Object.keys(localeInfo);
   var num_files = 0;
-  localeIds.forEach(function(localeID) {
+
+  console.log('Generated %j locale files.', localeIds.length);
+  loop();
+  return result.promise;
+
+  // Need to use a loop and not write the files in parallel,
+  // as otherwise we will get the error EMFILE, which means
+  // we have too many open files.
+  function loop() {
+    var nextPromise;
+    if (localeIds.length) {
+      nextPromise = process(localeIds.pop()) || Q.when();
+      nextPromise.then(loop, result.reject);
+    } else {
+      result.resolve(num_files);
+    }
+  }
+
+  function process(localeID) {
     var content = closureI18nExtractor.outputLocale(localeInfo, localeID);
     if (!content) return;
     var correctedLocaleId = closureI18nExtractor.correctedLocaleId(localeID);
     var filename = NG_LOCALE_DIR + 'angular-locale_' + correctedLocaleId + '.js'
-    writePromises.push(
-      qfs.write(filename, content)
-      .then(function () {
-        console.log('Wrote ' + filename);
-        ++num_files;
-        }));
     console.log('Writing ' + filename);
-  });
-  console.log('Generated %j locale files.', localeIds.length);
-  return Q.all(writePromises).then(function() { return num_files });
+    return qfs.write(filename, content)
+        .then(function () {
+          console.log('Wrote ' + filename);
+          ++num_files;
+        });
+  }
+
 }
 
 /**
-- 
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