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(function (name, context, definition) {
if (typeof module !== 'undefined' && module.exports) module.exports = definition();
else if (typeof define === 'function' && define.amd) define(definition);
else context[name] = definition();
})('urljoin', this, function () {
function normalize (strArray) {
var resultArray = [];
if (strArray.length === 0) { return ''; }
if (typeof strArray[0] !== 'string') {
throw new TypeError('Url must be a string. Received ' + strArray[0]);
}
// If the first part is a plain protocol, we combine it with the next part.
if (strArray[0].match(/^[^/:]+:\/*$/) && strArray.length > 1) {
var first = strArray.shift();
strArray[0] = first + strArray[0];
}
// There must be two or three slashes in the file protocol, two slashes in anything else.
if (strArray[0].match(/^file:\/\/\//)) {
strArray[0] = strArray[0].replace(/^([^/:]+):\/*/, '$1:///');
} else {
strArray[0] = strArray[0].replace(/^([^/:]+):\/*/, '$1://');
}
for (var i = 0; i < strArray.length; i++) {
var component = strArray[i];
if (typeof component !== 'string') {
throw new TypeError('Url must be a string. Received ' + component);
}
if (component === '') { continue; }
if (i > 0) {
// Removing the starting slashes for each component but the first.
component = component.replace(/^[\/]+/, '');
}
if (i < strArray.length - 1) {
// Removing the ending slashes for each component but the last.
component = component.replace(/[\/]+$/, '');
} else {
// For the last component we will combine multiple slashes to a single one.
component = component.replace(/[\/]+$/, '/');
}
resultArray.push(component);
}
var str = resultArray.join('/');
// Each input component is now separated by a single slash except the possible first plain protocol part.
// remove trailing slash before parameters or hash
str = str.replace(/\/(\?|&|#[^!])/g, '$1');
// replace ? in parameters with &
var parts = str.split('?');
str = parts.shift() + (parts.length > 0 ? '?': '') + parts.join('&');
return str;
}
return function () {
var input;
if (typeof arguments[0] === 'object') {
input = arguments[0];
} else {
input = [].slice.call(arguments);
}
return normalize(input);
};
});
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