index.js
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/**
* Service for URL templating.
*/
import root from './root';
import query from './query';
import template from './template';
import { each, merge, isArray, isFunction, isObject, isPlainObject, isString } from '../util';
export default function Url(url, params) {
var self = this || {}, options = url, transform;
if (isString(url)) {
options = {url, params};
}
options = merge({}, Url.options, self.$options, options);
Url.transforms.forEach(handler => {
transform = factory(handler, transform, self.$vm);
});
return transform(options);
}
/**
* Url options.
*/
Url.options = {
url: '',
root: null,
params: {}
};
/**
* Url transforms.
*/
Url.transforms = [template, query, root];
/**
* Encodes a Url parameter string.
*
* @param {Object} obj
*/
Url.params = function (obj) {
var params = [], escape = encodeURIComponent;
params.add = function (key, value) {
if (isFunction(value)) {
value = value();
}
if (value === null) {
value = '';
}
this.push(escape(key) + '=' + escape(value));
};
serialize(params, obj);
return params.join('&').replace(/%20/g, '+');
};
/**
* Parse a URL and return its components.
*
* @param {String} url
*/
Url.parse = function (url) {
var el = document.createElement('a');
if (document.documentMode) {
el.href = url;
url = el.href;
}
el.href = url;
return {
href: el.href,
protocol: el.protocol ? el.protocol.replace(/:$/, '') : '',
port: el.port,
host: el.host,
hostname: el.hostname,
pathname: el.pathname.charAt(0) === '/' ? el.pathname : '/' + el.pathname,
search: el.search ? el.search.replace(/^\?/, '') : '',
hash: el.hash ? el.hash.replace(/^#/, '') : ''
};
};
function factory(handler, next, vm) {
return (options) => {
return handler.call(vm, options, next);
};
}
function serialize(params, obj, scope) {
var array = isArray(obj), plain = isPlainObject(obj), hash;
each(obj, (value, key) => {
hash = isObject(value) || isArray(value);
if (scope) {
key = scope + '[' + (plain || hash ? key : '') + ']';
}
if (!scope && array) {
params.add(value.name, value.value);
} else if (hash) {
serialize(params, value, key);
} else {
params.add(key, value);
}
});
}