@mntm/stats/lib/launch.js

A package for integrating analytics tools

import { safeDocument, safeWindow } from './dom.js';
/**
 * Parses any query string
 */
export const parseParams = (from) => {
    const params = {};
    if (from === '') {
        return params;
    }
    let match = null;
    const paramsRegex = /([^&=?]+)(?:=([^&]*))?/g;
    while ((match = paramsRegex.exec(from)) !== null) {
        params[match[1]] = match[2] || '';
    }
    return params;
};
/**
 * Launch path
 * @see location.pathname docs
 * @noinline
 */
export const path = /*#__NOINLINE__*/ safeWindow.location.pathname;
/**
 * Launch hash without number sign (#)
 * @see location.hash docs
 * @noinline
 */
export const hash = /*#__NOINLINE__*/ safeWindow.location.hash.slice(1);
/**
 * Launch search without question mark (?)
 * @see location.search docs
 * @noinline
 */
export const params = /*#__NOINLINE__*/ safeWindow.location.search.slice(1);
/**
 * Parsed launch hash
 */
export const launchHash = (() => {
    if (hash === '') {
        return {};
    }
    const hashQuery = hash.indexOf('?');
    if (hashQuery !== -1) {
        return parseParams(hash.slice(hashQuery + 1));
    }
    const hashPath = hash.indexOf('/');
    if (hashPath !== -1) {
        return {};
    }
    return parseParams(hash);
})();
/**
 * Parsed launch params
 */
export const launchParams = (() => {
    if (params === '') {
        return {};
    }
    // TODO: check params
    return parseParams(params);
})();
/**
 * Reassigns all query params, for example, for hash UTM tags.
 * @warn Must be called before initializing the sending and the router.
 */
export const prepareParams = () => {
    const launch = Object.assign({}, launchParams, launchHash);
    let assign = path;
    for (const key in launch) {
        if (assign === path) {
            assign += '?';
        }
        else {
            assign += '&';
        }
        assign += `${key}=${launch[key]}`;
    }
    if (hash !== '') {
        assign += `#${hash}`;
    }
    safeWindow.history.replaceState(safeWindow.history.state, safeDocument.title, assign);
};