Version 1

[yaffs-website] / node_modules / underscore.string / prune.js

diff --git a/node_modules/underscore.string/prune.js b/node_modules/underscore.string/prune.js
new file mode 100644 (file)
index 0000000..8f2d0cb
--- /dev/null
+++ b/node_modules/underscore.string/prune.js
@@ -0,0 +1,27 @@
+/**
+ * _s.prune: a more elegant version of truncate
+ * prune extra chars, never leaving a half-chopped word.
+ * @author github.com/rwz
+ */
+var makeString = require('./helper/makeString');
+var rtrim = require('./rtrim');
+
+module.exports = function prune(str, length, pruneStr) {
+  str = makeString(str);
+  length = ~~length;
+  pruneStr = pruneStr != null ? String(pruneStr) : '...';
+
+  if (str.length <= length) return str;
+
+  var tmpl = function(c) {
+    return c.toUpperCase() !== c.toLowerCase() ? 'A' : ' ';
+  },
+    template = str.slice(0, length + 1).replace(/.(?=\W*\w*$)/g, tmpl); // 'Hello, world' -> 'HellAA AAAAA'
+
+  if (template.slice(template.length - 2).match(/\w\w/))
+    template = template.replace(/\s*\S+$/, '');
+  else
+    template = rtrim(template.slice(0, template.length - 1));
+
+  return (template + pruneStr).length > str.length ? str : str.slice(0, template.length) + pruneStr;
+};