add benchmarks

Author: jonschlinkert

benchmark/check.js

@@ -0,0 +1,24 @@
+'use strict';
+
+var chalk = require('chalk');
+var path = require('path');
+var glob = require('glob');
+
+/**
+ * Sanity check. Run to ensure that all fns return the same result.
+ */
+
+var fixtures = glob.sync(__dirname + '/fixtures/*.js');
+
+glob.sync(__dirname + '/code/*.js').forEach(function (fp) {
+  var fn = require(path.resolve(__dirname, 'code', fp));
+  var name = path.basename(fp, path.extname(fp));
+  if (/\.js/.test(fp) && /^(new|re).*/.test(name)) {
+
+    fixtures.forEach(function (fixture) {
+      if (/^5\.js/.test(path.basename(fixture))) {
+        console.log(chalk.bold(name) + ':', fn.apply(fn, require(fixture)));
+      }
+    });
+  }
+});

benchmark/code/array-map-call.js

@@ -0,0 +1,7 @@
+'use strict';
+
+module.exports = function repeat(ele, num) {
+  return Array.prototype.map.call([] + Array(num + 1), function () {
+    return ele;
+  });
+};

benchmark/code/array-map-valueOf.js

@@ -0,0 +1,5 @@
+'use strict';
+
+module.exports = function repeat(ele, num) {
+  return Array.apply(null, Array(num)).map(String.prototype.valueOf, ele);
+};

benchmark/code/current.js

@@ -0,0 +1 @@
+module.exports = require('../..');

benchmark/code/for-concat.js

@@ -0,0 +1,11 @@
+'use strict';
+
+module.exports = function repeat(ele, num) {
+  var arr = [];
+
+  for (var i = 0; i < num; i++) {
+    arr = arr.concat(ele);
+  }
+
+  return arr;
+};

benchmark/code/for-join-1.js

@@ -0,0 +1,10 @@
+'use strict';
+
+module.exports = function repeat(ele, num) {
+  var arr = [];
+
+  for (; 0 < num; num -= 1, arr[num] = ele);
+  num++;
+
+  return arr;
+};

benchmark/code/for-join-2.js

@@ -0,0 +1,9 @@
+'use strict';
+
+module.exports = function repeat(ele, num) {
+  var arr = [];
+
+  for (; 0 < num; arr[--num] = ele);
+
+  return arr;
+};

benchmark/code/for-length.js

@@ -0,0 +1,17 @@
+'use strict';
+
+module.exports = repeat;
+
+function repeat(ele, num) {
+  if (num === 0) return [];
+
+  var res = [ele];
+  var len = res.length;
+
+  if (len < num) {
+    for (var i = num - 1 - len; i >= 0; i--) {
+      res[i + len] = res[i % len];
+    }
+  }
+  return res;
+}

benchmark/code/for-new-array-1.js

@@ -0,0 +1,11 @@
+module.exports = repeat;
+
+function repeat(ele, num) {
+  var arr = new Array(num);
+
+  for (var i = 0; i < num; i++) {
+    arr[i] = ele;
+  }
+
+  return arr;
+}

benchmark/code/for-new-array-2.js

@@ -0,0 +1,11 @@
+module.exports = repeat;
+
+function repeat(ele, num) {
+  var arr = new Array(num);
+
+  for (var i = num - 1; i >= 0; i--) {
+    arr[i] = ele;
+  }
+
+  return arr;
+}