(start of) add copyright when rebuilding locale-data

Author: drewfish

README.md

@@ -96,6 +96,15 @@ data found at http://www.unicode.org/cldr/data/.  See the `LICENSE.txt` file
 accompanying this software for terms of use.
 
 
+### Rebuilding
+
+* Visit http://cldr.unicode.org/index/downloads and choose a version, for example http://unicode.org/Public/cldr/23.1/.
+* Download `core.zip` and `tools.zip` to a folder/directory.
+* Unzip the zip files.
+* Run `node tools/Ldml2Json.js <folder>/tools` where `<folder>` is the location where you downloaded the zip files.
+* TOOD... next steps...
+
+
 ## License
 
 Copyright (c) 2013 Andy Earnshaw

tools/Ldml2Json.js

@@ -17,6 +17,9 @@ var
     spawn = require('child_process').spawn,
     fs    = require('fs'),
 
+    copyright = 'This file is a modified form of the Unicode CLDR data found at http://www.unicode.org/cldr/data/.\n\nCOPYRIGHT AND PERMISSION NOTICE\n\nCopyright (c) 1991-2013 Unicode, Inc. All rights reserved. Distributed under the Terms of Use in http://www.unicode.org/copyright.html.',
+    copyrightJsonp = '/' + '*\n' + copyright + '\n*' + '/\n',
+
     // The 'callback' function for the JSONP files
     jsonpFn = 'Intl.__addLocaleData',
 
@@ -126,7 +129,7 @@ function cldrToIntl() {
                 base;
 
     locales.forEach(function (dir) {
-        var json, obj;
+        var json, obj, objCopy;
 
         // The Ldml2JsonConverter tool creats directories even for locales that have
         // no data that we require
@@ -151,10 +154,14 @@ function cldrToIntl() {
         // Process our object into a format that can easily be parsed by Intl.js
         obj = processObj(obj);
 
+        // We only want to embed the copyright in the json file (not jsonp).
+        objCopy = JSON.parse(JSON.stringify(obj));
+        objCopy.COPYRIGHT = copyright;
+
         process.stdout.write('\r\x1b[K\r\tWriting locale-data/json/'+ dir +'.json');
-        fs.writeFileSync('locale-data/json/'+ dir +'.json', JSON.stringify(obj, null, 4));
+        fs.writeFileSync('locale-data/json/'+ dir +'.json', JSON.stringify(objCopy, null, 4));
 
-        var jsonp = jsonpFn
+        var jsonp = copyrightJsonp + jsonpFn
             + '('
             +     JSON.stringify(obj).replace(jsonpExp, '$1:')
             + ')';