inserturlparams/dist/formatUrl.js

Insert dynamic data into url path params

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const Errors = {
    IncorrectNumOfParams: 'Supplied number of params does not match number ' +
        'of url params',
    UrlNotAStr: 'Url must be a string',
    ParamInvalid: 'Invalid param value. Must be a primitive type',
};
function formatUrl(url, pathParams) {
    if (typeof url !== 'string') {
        throw Error(Errors.UrlNotAStr);
    }
    return _insertPathParams(url, pathParams);
}
function _insertPathParams(url, pathParamsArg) {
    if (pathParamsArg === '') {
        return url;
    }
    let pathParams;
    if (!!pathParamsArg && typeof pathParamsArg === 'object') {
        pathParams = pathParamsArg;
    }
    else {
        pathParams = [pathParamsArg];
    }
    let paramArrIdx = 0;
    let paramEnd = -1;
    let i = 0;
    while (i < url.length) {
        if (url[i] === '/' && url[i + 1] === ':') {
            let urlEndReached = false;
            for (let j = i + 2; j < url.length; j++) {
                if (j === url.length - 1) {
                    urlEndReached = true;
                }
                if (url[j] === '/' || urlEndReached) {
                    paramEnd = j;
                    break;
                }
            }
            const j = (urlEndReached ? paramEnd + 1 : paramEnd), paramKey = url.slice(i + 2, j);
            let val;
            if (Array.isArray(pathParams)) {
                val = pathParams[paramArrIdx++];
            }
            else {
                val = pathParams[paramKey];
            }
            if (val === '') {
                val = ':' + paramKey;
            }
            if (!_checkPathParamValid(val)) {
                throw Error(Errors.ParamInvalid);
            }
            else {
                val = String(val);
            }
            const urlRemaining = (urlEndReached ? '' : url.slice(paramEnd));
            url = (url.slice(0, i + 1) + val + urlRemaining);
            i = (i + val.length + 1);
        }
        else {
            i++;
        }
    }
    if (Array.isArray(pathParams) && (paramArrIdx !== pathParams.length)) {
        throw Error(Errors.IncorrectNumOfParams);
    }
    return url;
}
function _checkPathParamValid(val) {
    return (val === undefined ||
        val === null ||
        typeof val === 'string' ||
        typeof val === 'number' ||
        typeof val === 'boolean');
}
exports.default = formatUrl;
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