Files
remark42/frontend/app/counter.ts
T

52 lines
1.6 KiB
TypeScript

/* eslint-disable no-console */
declare let remark_config: CounterConfig;
import { COUNTER_NODE_CLASSNAME, BASE_URL, API_BASE } from '@app/common/constants.config';
import { CounterConfig } from '@app/common/config-types';
if (document.readyState === 'loading') {
document.addEventListener('DOMContentLoaded', init);
} else {
init();
}
function init(): void {
const nodes: HTMLElement[] = [].slice.call(document.getElementsByClassName(COUNTER_NODE_CLASSNAME));
if (!nodes) {
console.error("Remark42: Can't find counter nodes.");
return;
}
try {
remark_config = remark_config || {};
} catch (e) {
console.error('Remark42: Config object is undefined.');
return;
}
if (!remark_config.site_id) {
console.error('Remark42: Site ID is undefined.');
return;
}
const map = nodes.reduce<{ [key: string]: HTMLElement[] }>((acc, node) => {
const id = node.dataset.url || remark_config.url || window.location.origin + window.location.pathname;
if (!acc[id]) acc[id] = [];
acc[id].push(node);
return acc;
}, {});
const oReq = new XMLHttpRequest();
oReq.onreadystatechange = function(this: XMLHttpRequest) {
if (this.readyState === XMLHttpRequest.DONE && this.status === 200) {
try {
const res = JSON.parse(this.responseText) as { url: string; count: number }[];
res.forEach(item => map[item.url].map(n => (n.innerHTML = item.count.toString(10))));
} catch (e) {}
}
};
oReq.open('POST', `${BASE_URL}${API_BASE}/counts?site=${remark_config.site_id}`, true);
oReq.setRequestHeader('Content-Type', 'application/json');
oReq.send(JSON.stringify(Object.keys(map)));
}