Web developer and autodidact with an interest in creative coding.
Published
Edited
Sep 18, 2022
Importers
5 stars
ThrottleSearch Query TokenizationCompiling a regex from stringsPure CSS TreeThe Fed - FOMC Projections DataTerraform Registry SearchLots of DotsExporting Your DuckDB Databasesflyctl DocsHTML to MarkdownD3 Documentation IndexThrottling Function CallsWeb Page MetadataPatched ImportsDeconstructing a NotebookDiscrete Sibson InterpolationEdge Distance in Regular PolygonsUsing A Vega-Lite Chart As Input WidgetfindTriangle() for D3.Delaunay and DelaunatorTransparent Color WidgetCanvas Outlines: Stroke vs FillEases On EdgeConverting Between Keyboard LayoutsD3 Force Along a PathInverted Luminosity(Attempt at) Embedding a Video Into an SVGForce Graph TrailsTitle TransliterationOptimal TilingVega-Lite, UnminifiedNotebook Version UUIDImproving Animations Through Motion BlurWatermarkQuerying the npm registryStitched EasingsPixel ProbingMapping Color Scales with SVG FiltersGoogle Maps Cost CalculatorEncoding Data In ImagesZdog HelpersUsing CodePens in ObservableLook What The Cat Dragged InAdobe Swatch Exchange ExporterPolygon Sine WaveSVG Single Path GridColor Blending Is BrokenIntersection ArcsPer-Layer Fadeout In 2D CanvasVoronoi BorderlandsEmbedding a canvas into an SVGEmbedding Fonts Into An SVGVersion Pinning for NotebooksSplitting LinesEasing In Multiple Steps
Dynamic Notebook Links
Also listed in…
Observable Things
md`
> For example, ${await link('@martien/abc')} does not exists, while ${await link('@martien/x-matrix')} does exist.
`
md`
> For example, ${linkDelayed('@martien/abc')} does not exists, while ${linkDelayed('@martien/x-matrix')} does exist.
`
async function exists(slug) {
return fetch(`https://api.observablehq.com/${slug}.js`, {method: 'HEAD'})
.then(r => r.ok).catch(() => false);
}
async function link(slug) {
return exists(slug).then(r => r ? html`<a href="/${slug}">${slug}` : slug);
}
function linkDelayed(slug) {
const el = html`<a>${slug}`;
exists(slug).then(found => { if(found) el.href = `/${slug}` });
return el;
}
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