can
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MIT-licensed, client-side, JavaScript framework that makes building rich web applications easy.
44 lines (43 loc) • 1.26 kB
JavaScript
steal('can/util', 'can/util/string', function (can) {
// ## deparam.js
// `can.deparam`
// _Takes a string of name value pairs and returns a Object literal that represents those params._
var digitTest = /^\d+$/,
keyBreaker = /([^\[\]]+)|(\[\])/g,
paramTest = /([^?#]*)(#.*)?$/,
prep = function (str) {
return decodeURIComponent(str.replace(/\+/g, ' '));
};
can.extend(can, {
deparam: function (params) {
var data = {}, pairs, lastPart;
if (params && paramTest.test(params)) {
pairs = params.split('&');
can.each(pairs, function (pair) {
var parts = pair.split('='),
key = prep(parts.shift()),
value = prep(parts.join('=')),
current = data;
if (key) {
parts = key.match(keyBreaker);
for (var j = 0, l = parts.length - 1; j < l; j++) {
if (!current[parts[j]]) {
// If what we are pointing to looks like an `array`
current[parts[j]] = digitTest.test(parts[j + 1]) || parts[j + 1] === '[]' ? [] : {};
}
current = current[parts[j]];
}
lastPart = parts.pop();
if (lastPart === '[]') {
current.push(value);
} else {
current[lastPart] = value;
}
}
});
}
return data;
}
});
return can;
});