init

node_modules/undeclared-identifiers/bench/index.js

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+/* eslint-disable no-unused-expressions */
+var bench = require('nanobench')
+var acornsrc = require('fs').readFileSync(require.resolve('acorn'))
+var lodashsrc = require('fs').readFileSync(require.resolve('lodash'))
+var jquerysrc = require('fs').readFileSync(require.resolve('jquery'))
+var threesrc = require('fs').readFileSync(require.resolve('three'))
+var find = require('../')
+
+// Optimize.
+for (var i = 0; i < 5; i++) find(acornsrc).properties
+
+// Has very few undeclared identifiers
+bench('acorn × 1', function (b) {
+  b.start()
+  find(acornsrc).properties
+  b.end()
+})
+bench('acorn × 5', function (b) {
+  b.start()
+  for (var i = 0; i < 5; i++) find(acornsrc).properties
+  b.end()
+})
+
+bench('lodash × 1', function (b) {
+  b.start()
+  find(lodashsrc).properties
+  b.end()
+})
+bench('lodash × 5', function (b) {
+  b.start()
+  for (var i = 0; i < 5; i++) find(lodashsrc).properties
+  b.end()
+})
+
+// Has more undeclared identifiers and properties
+bench('jquery × 1', function (b) {
+  b.start()
+  find(jquerysrc).properties
+  b.end()
+})
+bench('jquery × 5', function (b) {
+  b.start()
+  for (var i = 0; i < 5; i++) find(jquerysrc).properties
+  b.end()
+})
+
+// is very large
+bench('three × 1', function (b) {
+  b.start()
+  find(threesrc).identifiers
+  b.end()
+})
+bench('three × 5', function (b) {
+  b.start()
+  for (var i = 0; i < 5; i++) find(threesrc).identifiers
+  b.end()
+})