1 files changed, 128 insertions, 0 deletions
diff --git a/node_modules/mocha/lib/ms.js b/node_modules/mocha/lib/ms.js
new file mode 100644
index 000000000..12fddc18a
--- /dev/null
+++ b/node_modules/mocha/lib/ms.js
@@ -0,0 +1,128 @@
+/**
+ * Helpers.
+ */
+
+var s = 1000;
+var m = s * 60;
+var h = m * 60;
+var d = h * 24;
+var y = d * 365.25;
+
+/**
+ * Parse or format the given `val`.
+ *
+ * Options:
+ *
+ *  - `long` verbose formatting [false]
+ *
+ * @api public
+ * @param {string|number} val
+ * @param {Object} options
+ * @return {string|number}
+ */
+module.exports = function(val, options) {
+  options = options || {};
+  if (typeof val === 'string') {
+    return parse(val);
+  }
+  // https://github.com/mochajs/mocha/pull/1035
+  return options['long'] ? longFormat(val) : shortFormat(val);
+};
+
+/**
+ * Parse the given `str` and return milliseconds.
+ *
+ * @api private
+ * @param {string} str
+ * @return {number}
+ */
+function parse(str) {
+  var match = (/^((?:\d+)?\.?\d+) *(ms|seconds?|s|minutes?|m|hours?|h|days?|d|years?|y)?$/i).exec(str);
+  if (!match) {
+    return;
+  }
+  var n = parseFloat(match[1]);
+  var type = (match[2] || 'ms').toLowerCase();
+  switch (type) {
+    case 'years':
+    case 'year':
+    case 'y':
+      return n * y;
+    case 'days':
+    case 'day':
+    case 'd':
+      return n * d;
+    case 'hours':
+    case 'hour':
+    case 'h':
+      return n * h;
+    case 'minutes':
+    case 'minute':
+    case 'm':
+      return n * m;
+    case 'seconds':
+    case 'second':
+    case 's':
+      return n * s;
+    case 'ms':
+      return n;
+    default:
+      // No default case
+  }
+}
+
+/**
+ * Short format for `ms`.
+ *
+ * @api private
+ * @param {number} ms
+ * @return {string}
+ */
+function shortFormat(ms) {
+  if (ms >= d) {
+    return Math.round(ms / d) + 'd';
+  }
+  if (ms >= h) {
+    return Math.round(ms / h) + 'h';
+  }
+  if (ms >= m) {
+    return Math.round(ms / m) + 'm';
+  }
+  if (ms >= s) {
+    return Math.round(ms / s) + 's';
+  }
+  return ms + 'ms';
+}
+
+/**
+ * Long format for `ms`.
+ *
+ * @api private
+ * @param {number} ms
+ * @return {string}
+ */
+function longFormat(ms) {
+  return plural(ms, d, 'day')
+    || plural(ms, h, 'hour')
+    || plural(ms, m, 'minute')
+    || plural(ms, s, 'second')
+    || ms + ' ms';
+}
+
+/**
+ * Pluralization helper.
+ *
+ * @api private
+ * @param {number} ms
+ * @param {number} n
+ * @param {string} name
+ */
+function plural(ms, n, name) {
+  if (ms < n) {
+    return;
+  }
+  if (ms < n * 1.5) {
+    return Math.floor(ms / n) + ' ' + name;
+  }
+  return Math.ceil(ms / n) + ' ' + name + 's';
+}