File name
Commit message
Commit date
File name
Commit message
Commit date
File name
Commit message
Commit date
File name
Commit message
Commit date
var bench = require('nanobench')
var semver = require('semver')
var src = require('fs').readFileSync(require.resolve('acorn'))
var parse = require('acorn').parse
var astw = require('astw')
var eswalk = require('estree-walk')
var dash = require('../')
bench('astw', function (b) {
var ast = parse(src)
// warmup
var i = 0
for (var x = 0; x < 5; x++) {
astw(ast)(function (node) { i++ })
}
i = 0
b.start()
for (x = 0; x < 5; x++) {
astw(ast)(function (node) { i++ })
}
b.end('walked ' + i + ' nodes')
})
bench('estree-walk', function (b) {
var ast = parse(src)
// warmup
var i = 0
for (var x = 0; x < 5; x++) {
eswalk(ast, function (node) { i++ })
}
i = 0
b.start()
for (x = 0; x < 5; x++) {
eswalk(ast, function (node) { i++ })
}
b.end('walked ' + i + ' nodes')
})
bench('estree-walk steps', function (b) {
var ast = parse(src)
// warmup
var i = 0
for (var x = 0; x < 5; x++) {
for (var q = [ast], node; (node = q.pop()); eswalk.step(node, q)) {
i++
}
}
i = 0
b.start()
for (x = 0; x < 5; x++) {
for (q = [ast], node; (node = q.pop()); eswalk.step(node, q)) {
i++
}
}
b.end('walked ' + i + ' nodes')
})
bench('dash-ast', function (b) {
var ast = parse(src)
// warmup
var i = 0
for (var x = 0; x < 5; x++) {
dash(ast, function (node) { i++ })
}
i = 0
b.start()
for (x = 0; x < 5; x++) {
dash(ast, function (node) { i++ })
}
b.end('walked ' + i + ' nodes')
})
bench('dash-ast with enter/leave', function (b) {
var ast = parse(src)
// warmup
var i = 0
var j = 0
for (var x = 0; x < 5; x++) {
dash(ast, {
enter: function (node) { i++ },
leave: function (node) { j++ }
})
}
i = 0
j = 0
b.start()
for (x = 0; x < 5; x++) {
dash(ast, {
enter: function (node) { i++ },
leave: function (node) { j++ }
})
}
b.end('walked ' + [i, j] + ' nodes')
})
if (semver.satisfies(process.version, '>= 8.0.0')) {
var eswalker = require('estree-walker')
bench('estree-walker', function (b) {
var ast = parse(src)
// warmup
var i = 0
for (var x = 0; x < 5; x++) {
eswalker.walk(ast, {
enter: function (node) { i++ }
})
}
i = 0
b.start()
for (x = 0; x < 5; x++) {
eswalker.walk(ast, {
enter: function (node) { i++ }
})
}
b.end('walked ' + i + ' nodes')
})
bench('estree-walker with enter/leave', function (b) {
var ast = parse(src)
// warmup
var i = 0
var j = 0
for (var x = 0; x < 5; x++) {
eswalker.walk(ast, {
enter: function (node) { i++ },
leave: function (node) { j++ }
})
}
i = 0
b.start()
for (x = 0; x < 5; x++) {
eswalker.walk(ast, {
enter: function (node) { i++ },
leave: function (node) { j++ }
})
}
b.end('walked ' + [i, j] + ' nodes')
})
}