initial commit (work in progress)
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Leo Horie
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25
querystring/build.js
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25
querystring/build.js
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"use strict"
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module.exports = function buildQueryString(object) {
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if (Object.prototype.toString.call(object) !== "[object Object]") return ""
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var args = []
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for (var key in object) {
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destructure(key, object[key])
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}
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return args.join("&")
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function destructure(key, value) {
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if (value instanceof Array) {
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for (var i = 0; i < value.length; i++) {
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destructure(key + "[" + i + "]", value[i])
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}
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}
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else if (Object.prototype.toString.call(value) === "[object Object]") {
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for (var i in value) {
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destructure(key + "[" + i + "]", value[i])
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}
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}
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else args.push(encodeURIComponent(key) + "=" + (value != null ? encodeURIComponent(value) : ""))
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}
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}
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42
querystring/parse.js
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42
querystring/parse.js
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"use strict"
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module.exports = function parseQueryString(string) {
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if (string === "" || string == null) return {}
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if (string.charAt(0) === "?") string = string.slice(1)
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var entries = string.split("&"), data = {}, counters = {}
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for (var i = 0; i < entries.length; i++) {
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var entry = entries[i].split("=")
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var key = decodeURIComponent(entry[0])
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var value = decodeURIComponent(entry[1])
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//TODO refactor out
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var number = Number(value)
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if (value !== "" && !isNaN(number) || value === "NaN") value = number
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else if (value === "true") value = true
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else if (value === "false") value = false
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else {
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var date = new Date(value)
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if (!isNaN(date.getTime())) value = date
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}
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var levels = key.split(/\]\[?|\[/)
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var cursor = data
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if (key.indexOf("[") > -1) levels.pop()
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for (var j = 0; j < levels.length; j++) {
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var level = levels[j], nextLevel = levels[j + 1]
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var isNumber = nextLevel == "" || !isNaN(parseInt(nextLevel))
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var isValue = j === levels.length - 1
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if (level === "") {
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var key = levels.slice(0, j).join()
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if (counters[key] == null) counters[key] = 0
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level = counters[key]++
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}
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if (cursor[level] == null) {
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cursor[level] = isValue ? value : isNumber ? [] : {}
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}
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cursor = cursor[level]
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}
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}
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return data
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}
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17
querystring/tests/index.html
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17
querystring/tests/index.html
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<!doctype html>
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<html>
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<head>
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<meta charset="utf-8">
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</head>
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<body>
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<script src="../../module/module.js"></script>
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<script src="../../ospec/ospec.js"></script>
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<script src="../../querystring/parse.js"></script>
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<script src="../../querystring/build.js"></script>
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<script src="test-parseQueryString.js"></script>
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<script src="test-buildQueryString.js"></script>
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<script>require("../../ospec/ospec").run()</script>
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</body>
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</html>
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67
querystring/tests/test-buildQueryString.js
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67
querystring/tests/test-buildQueryString.js
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"use strict"
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var o = require("../../ospec/ospec")
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var buildQueryString = require("../../querystring/build")
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o.spec("buildQueryString", function() {
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o("builds from flat object", function() {
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var string = buildQueryString({a: "b", c: 1})
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o(string).equals("a=b&c=1")
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})
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o("builds from nested object", function() {
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var string = buildQueryString({a: {b: 1, c: 2}})
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o(string).equals("a%5Bb%5D=1&a%5Bc%5D=2")
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})
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o("builds from deep nested object", function() {
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var string = buildQueryString({a: {b: {c: 1, d: 2}}})
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o(string).equals("a%5Bb%5D%5Bc%5D=1&a%5Bb%5D%5Bd%5D=2")
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})
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o("builds from nested array", function() {
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var string = buildQueryString({a: ["x", "y"]})
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o(string).equals("a%5B0%5D=x&a%5B1%5D=y")
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})
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o("builds from deep nested array", function() {
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var string = buildQueryString({a: [["x", "y"]]})
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o(string).equals("a%5B0%5D%5B0%5D=x&a%5B0%5D%5B1%5D=y")
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})
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o("builds from deep nested array in object", function() {
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var string = buildQueryString({a: {b: ["x", "y"]}})
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o(string).equals("a%5Bb%5D%5B0%5D=x&a%5Bb%5D%5B1%5D=y")
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})
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o("builds from deep nested object in array", function() {
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var string = buildQueryString({a: [{b: 1, c: 2}]})
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o(string).equals("a%5B0%5D%5Bb%5D=1&a%5B0%5D%5Bc%5D=2")
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})
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o("builds date", function() {
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var string = buildQueryString({a: new Date(0)})
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o(string).equals("a=" + encodeURIComponent(new Date(0).toString()))
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})
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o("builds null into empty string (like jQuery)", function() {
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var string = buildQueryString({a: null})
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o(string).equals("a=")
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})
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o("builds undefined into empty string (like jQuery)", function() {
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var string = buildQueryString({a: undefined})
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o(string).equals("a=")
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})
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o("builds zero", function() {
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var string = buildQueryString({a: 0})
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o(string).equals("a=0")
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})
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o("builds false", function() {
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var string = buildQueryString({a: false})
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o(string).equals("a=false")
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})
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})
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74
querystring/tests/test-parseQueryString.js
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74
querystring/tests/test-parseQueryString.js
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"use strict"
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var o = require("../../ospec/ospec")
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var parseQueryString = require("../../querystring/parse")
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o.spec("parseQueryString", function() {
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o("works", function() {
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var data = parseQueryString("?aaa=bbb")
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o(data).deepEquals({aaa: "bbb"})
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})
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o("parses flat object", function() {
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var data = parseQueryString("?a=b&c=d")
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o(data).deepEquals({a: "b", c: "d"})
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})
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o("parses without question mark", function() {
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var data = parseQueryString("a=b&c=d")
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o(data).deepEquals({a: "b", c: "d"})
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})
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o("parses nested object", function() {
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var data = parseQueryString("a[b]=x&a[c]=y")
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o(data).deepEquals({a: {b: "x", c: "y"}})
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})
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o("parses deep nested object", function() {
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var data = parseQueryString("a[b][c]=x&a[b][d]=y")
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o(data).deepEquals({a: {b: {c: "x", d: "y"}}})
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})
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o("parses nested array", function() {
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var data = parseQueryString("a[0]=x&a[1]=y")
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o(data).deepEquals({a: ["x", "y"]})
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})
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o("parses deep nested array", function() {
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var data = parseQueryString("a[0][0]=x&a[0][1]=y")
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o(data).deepEquals({a: [["x", "y"]]})
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})
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o("parses deep nested object in array", function() {
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var data = parseQueryString("a[0][c]=x&a[0][d]=y")
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o(data).deepEquals({a: [{c: "x", d: "y"}]})
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})
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o("parses deep nested array in object", function() {
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var data = parseQueryString("a[b][0]=x&a[b][1]=y")
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o(data).deepEquals({a: {b: ["x", "y"]}})
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})
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o("parses array without index", function() {
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var data = parseQueryString("a[]=x&a[]=y&b[]=w&b[]=z")
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o(data).deepEquals({a: ["x", "y"], b: ["w", "z"]})
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})
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/*TODO remove since build generates a[0]=b syntax
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o("generates array for duplicate items", function() {
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var data = parseQueryString("a=b&a=c&a=d")
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o(data).deepEquals({a: ["b", "c", "d"]})
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})
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*/
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o("casts booleans", function() {
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var data = parseQueryString("a=true&b=false")
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o(data).deepEquals({a: true, b: false})
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})
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o("casts numbers", function() {
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var data = parseQueryString("a=1&b=-2.3&c=0x10&d=1e2&e=Infinity")
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o(data).deepEquals({a: 1, b: -2.3, c: 16, d: 100, e: Infinity})
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})
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o("casts NaN", function() {
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var data = parseQueryString("a=NaN")
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o(isNaN(data.a)).equals(true)
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})
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o("casts Date", function() {
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var data = parseQueryString("a=" + new Date(0))
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o(data.a instanceof Date).equals(true)
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o(data.a.getTime()).equals(0)
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})
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o("does not cast empty string to number", function() {
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var data = parseQueryString("a=")
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o(data).deepEquals({a: ""})
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})
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})
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