2d:null 2e:["$","title",null,{"children":"Collapsible TOC | Jon E. Froehlich | Observable"}] 33:T436,function toc(selector = "h1,h2,h3,h4", heading = "Table of Contents", startOpen = true) { return Generators.observe(notify => { let headings = []; let detailsOpen = startOpen ? "open" : ""; function observed() { const h = Array.from(document.querySelectorAll(selector)); if (h.length !== headings.length || h.some((h, i) => headings[i] !== h)) { notify(html`

${heading}

' : '
'}${DOM.text(h.textContent)}`, {onclick: e => (e.preventDefault(), h.scrollIntoView())} ); })}`); } } const observer = new MutationObserver(observed); observer.observe(document.body, {childList: true, subtree: true}); observed(); return () => observer.disconnect(); }); }34:[] 31:{"id":"b8901a674fce0b00","slug":"collapsible-toc","title":"Collapsible TOC","thumbnail":"343236ff14405641ee91399032892d2c97ec2e6b184bbbedceb2553239aaa950","access_level":"public","create_time":"$D2022-04-26T15:34:56.332Z","update_time":"$D2022-04-26T15:47:53.370Z","view_time":null,"first_public_time":"$D2022-04-26T15:39:31.943Z","has_unpublished_edits":null,"fork":{"id":"0129667b59134765","slug":"collapsible-toc","title":"(Collapsible) TOC","owner":{"id":"3c195eaeabd9dd41","login":"p16i","name":"Pat Chormai"}},"stars":2,"starred":false,"owner":{"type":"team","id":"23bd5c1a20dd0d05","login":"jonfroehlich","name":"Jon E. Froehlich","avatar_url":"https://avatars-next.observableusercontent.com/a9a25cd8142666a211dc8b6d053ca8b9775ffe4f7d4295bb3e353a14a8b5b0b4","tier":"starter_2024"},"version":114,"publish_version":114,"role":null,"authored":false,"authors":[{"type":"individual","id":"2c39291f080b90a4","login":"jonfroehlich","name":"Jon E. Froehlich","avatar_url":"https://avatars-next.observableusercontent.com/a9a25cd8142666a211dc8b6d053ca8b9775ffe4f7d4295bb3e353a14a8b5b0b4","tier":null}],"members":[{"type":"individual","id":"2c39291f080b90a4","login":"jonfroehlich","name":"Jon E. Froehlich","avatar_url":"https://avatars-next.observableusercontent.com/a9a25cd8142666a211dc8b6d053ca8b9775ffe4f7d4295bb3e353a14a8b5b0b4","tier":null,"role":"editor"}],"comments":[],"custom_thumbnail":false,"trashed":false,"lapsed":null,"subscribed":null,"forks":2,"collection":null,"type":"notebook","body":{"title":"Collapsible TOC","cells":[{"id":0,"value":"md`# Collapsible TOC\n\nThis notebook can generate a collapsible table of contents automatically for your notebook. It is based on [Collapsible TOC](https://observablehq.com/@heytitle/collapsible-toc) by Pat Chormai \n\n\\`\\`\\`js\nimport {toc} from \"@jonfroehlich/collapsible-toc\"\n\\`\\`\\``","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":93,"value":"Here's an example that has all the defaults:","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","output":"","database":"$undefined"},{"id":30,"value":"toc()","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":105,"value":"Here's an example that will only show Headings1 and Headings2 and starts in a collapsed state:","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","output":"","database":"$undefined"},{"id":109,"value":"toc(\"h1,h2\", undefined, false)","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":37,"value":"md`## Implementation`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":4,"value":"$33","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":62,"value":"### Test Level 2","pinned":true,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":67,"value":"#### Test Level 3\nHello!","pinned":true,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","output":"","database":"$undefined"},{"id":42,"value":"md`## Hooray\n\nIt worked!`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":82,"value":"# Heading 1\nTest level 1","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","output":"","database":"$undefined"},{"id":70,"value":"## Test Level 2\nTest Level 2\n### Test Level 3\nTest Level 3\n#### Test Level 4\nTest Level 4","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","output":"","database":"$undefined"}],"files":"$W34","stdlib":"1","titling":"auto"}} 32:"$31:body"