75 lines
2.5 KiB
JavaScript
75 lines
2.5 KiB
JavaScript
// Shared helpers: API access, DOM building, formatting
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const API = '/api/v1';
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/** What a training without a trainer is called */
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export const SOLO = 'соло';
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export async function api(path, options) {
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const response = await fetch(API + path, options);
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if (!response.ok) {
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const error = new Error(`HTTP ${response.status}`);
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error.status = response.status;
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throw error;
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}
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return response.json();
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}
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/** h('div', {class: 'x'}, 'text', childNode) -> element; strings become text nodes */
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export function h(tag, attrs = {}, ...children) {
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const element = document.createElement(tag);
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for (const [name, value] of Object.entries(attrs)) {
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if (value !== null && value !== undefined && value !== false) {
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element.setAttribute(name, value === true ? '' : value);
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}
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}
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element.append(...children.filter((child) => child !== null && child !== undefined));
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return element;
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}
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export function alert(kind, ...children) {
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return h('div', { class: `alert alert-${kind}` }, ...children);
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}
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/** "2026-10-21" -> "21.10.2026" (no Date: a timezone must not shift the day) */
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export function formatDate(iso) {
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const [year, month, day] = iso.split('-');
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return `${day}.${month}.${year}`;
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}
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/** "First Last" of a user, the email when the name is empty */
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export function userName(user) {
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return `${user.first_name} ${user.last_name}`.trim() || user.email;
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}
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/** "2026-10-23T17:27:00+00:00" -> "23.10.2026 17:27" in the viewer's timezone */
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export function formatDateTime(iso) {
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return new Date(iso).toLocaleString('ru-RU', { dateStyle: 'short', timeStyle: 'short' }).replace(',', '');
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}
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/** Rounded to one decimal without trailing zeros: 22.5 -> "22.5", 20 -> "20" */
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export function num(value) {
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return String(Math.round(value * 10) / 10);
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}
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/** Same with an explicit sign: "+12", "-3.5", "+0" */
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export function signed(value) {
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const rounded = Math.round(value * 10) / 10;
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return (rounded > 0 ? '+' : '') + rounded;
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}
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/** Approaches as "weight × reps" chips */
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export function approachChips(approaches) {
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return approaches.map((approach) =>
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h('span', { class: 'approach' },
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`${approach.weight ? num(approach.weight) + ' кг' : 'без веса'} × ${approach.reps}`)
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);
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}
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export function perArmBadge() {
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return h('span', { class: 'badge text-bg-light border', title: 'Вес указан на каждую руку (гантель)' }, 'на руку');
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}
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export function tip(text, hint) {
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return h('span', { class: 'has-tip', title: hint }, text);
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}
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