simple-pure-utils
Version:
Funciones puras para manipulación de objetos, arreglos, promesas y observables
76 lines • 7.08 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.isUrlAbsolute = exports.appendEncodedUrlParameters = exports.encodeUrlParameters = exports.encodeUrlParameterValue = void 0;
/**Codifica el valor de un query parameter*/
function encodeUrlParameterValue(parameter) {
const type = typeof (parameter);
let str = null;
if (type == "number" || type == "boolean" || type == "string") {
str = parameter.toString();
}
if (parameter instanceof Date) {
str = parameter.toISOString();
}
if (str == null) {
throw new Error("All URL parameters must be a number, boolean, string, Date or null");
}
return encodeURIComponent(str);
}
exports.encodeUrlParameterValue = encodeUrlParameterValue;
/**Convierte un UrlParameters a un arreglo de key-values */
function urlParamsToKeyValuePair(urlParameters) {
//Aplanamos los key values que sean arreglos:
const keyValues = Object
.keys(urlParameters)
//Extraemos las claves y los valores
.map(x => ({ key: x, value: urlParameters[x] }))
//Todos los dejamos como arreglo o si no, en un arreglo de un elemento
.map(x => ({ key: x.key, array: Array.isArray(x.value) ? x.value : [x.value] }))
//Creamos key values repetidos por cada value en el arreglo
.map(x => x.array.map(y => ({ key: x.key, value: y })))
.reduce((a, b) => a.concat(b), [])
.filter(x => x.value != null)
.map(x => ({ key: x.key, value: x.value }));
return keyValues;
}
/**Devuelve una cadena con todos los parametros url, separador por &. El caracter ? inicial no se devuelve por esta función. Si no hay ningun
* parámetro que devolver se devuelve una cadena vacia
*/
function encodeUrlParameters(urlParameters) {
const keyValues = urlParamsToKeyValuePair(urlParameters);
const paramsStr = keyValues.filter(x => x.value != null).map(x => x.key + "=" + encodeUrlParameterValue(x.value)).join("&");
return paramsStr;
}
exports.encodeUrlParameters = encodeUrlParameters;
/**
* Pega los parametros ya codificados a una URL con el separador ?. Si parameters esta vacio devuelve la URL original tal cual
*/
function appendEncodedUrlParameters(url, paramStr) {
return paramStr ? (url + "?" + paramStr) : url;
}
exports.appendEncodedUrlParameters = appendEncodedUrlParameters;
/**Determina si una URL es absoluta */
function isUrlAbsolute(url) {
//Origen: https://stackoverflow.com/questions/10687099/how-to-test-if-a-url-string-is-absolute-or-relative
if (url.indexOf('//') === 0) {
return true;
} // URL is protocol-relative (= absolute)
if (url.indexOf('://') === -1) {
return false;
} // URL has no protocol (= relative)
if (url.indexOf('.') === -1) {
return false;
} // URL does not contain a dot, i.e. no TLD (= relative, possibly REST)
if (url.indexOf('/') === -1) {
return false;
} // URL does not contain a single slash (= relative)
if (url.indexOf(':') > url.indexOf('/')) {
return false;
} // The first colon comes after the first slash (= relative)
if (url.indexOf('://') < url.indexOf('.')) {
return true;
} // Protocol is defined before first dot (= absolute)
return false; // Anything else must be relative
}
exports.isUrlAbsolute = isUrlAbsolute;
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