table = (data, options) => { options = Object.assign({}, defaultOptions, options); const { sortable, rank, paged } = options; let sortKey = undefined; let sortDirection = true; let page = 0; if (sortable && rank) { throw new Error("A table can either be ranked or sortable, but not both"); } let columns = Object.keys(data[0]).map(key => { const opts = options.columns[key] || {}; return { key: key, type: opts.type || typeof data[0][key], options: opts }; }); function bake() { if (sortKey) { data = data.slice().sort((a, b) => { let as = a[sortKey]; let bs = b[sortKey]; // make this sort stable if (as == bs) return JSON.stringify(a).localeCompare(JSON.stringify(b)); let res = as > bs ? 1 : as < bs ? -1 : 0; if (sortDirection) res = -res; return res; }); } let rows = data.slice(page * paged, page * paged + paged); let pages = Math.ceil(data.length / paged); return html`

${ options.header === false ? `` : html` ${rank ? html`` : ""} ${columns.map(c => { return th(c, sortKey, sortDirection, sortable); })} ` } ${rows.map( (row, i) => html` ${rank ? html`` : ""} ${columns.map(c => { let displayValue = (c.options.formatter || identity)( row[c.key], i, row ); if ( displayValue instanceof window.HTMLElement && displayValue.tagName == "TD" ) { return displayValue; } return html``; })} ` )}


${i + 1}	${displayValue}

${ pages ? html`` : "" }

`; } let dom = bake(); function rerender() { dom.firstChild.remove(); dom.appendChild(bake().firstChild); } // dom.addEventListener("click", e => { // if (e.target.tagName === "TH" && sortable) { // if (sortKey == e.target.dataset.key) { // sortDirection = !sortDirection; // } // sortKey = e.target.dataset.key; // rerender(); // } // if (e.target.tagName === "BUTTON") { // if (e.target.dataset.action) { // switch (e.target.dataset.action) { // case "next": // page++, rerender(); // break; // case "previous": // page--, rerender(); // break; // } // } else if (e.target.dataset.page) { // (page = parseInt(e.target.dataset.page)), rerender(); // } // } // }); return dom; }