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| export function downloadTsv(headers: string[], rows: string[][], filename: string) { | |
| const tsv = [headers.join("\t"), ...rows.map(r => r.join("\t"))].join("\n"); | |
| const a = document.createElement("a"); | |
| a.download = filename; | |
| a.href = "data:text/tab-separated-values;charset=utf-8," + encodeURIComponent(tsv); | |
| a.click(); | |
| } | |
| export function downloadJson(data: unknown, filename: string) { | |
| const a = document.createElement("a"); | |
| a.download = filename; | |
| a.href = "data:application/json;charset=utf-8," + encodeURIComponent(JSON.stringify(data, null, 2)); | |
| a.click(); | |
| } | |
| export function copyText(text: string, done?: () => void) { | |
| navigator.clipboard.writeText(text).then(done); | |
| } | |
| export function exportSvgPng(svgEl: SVGSVGElement | null, filename: string) { | |
| if (!svgEl) return; | |
| const svgStr = new XMLSerializer().serializeToString(svgEl); | |
| const canvas = document.createElement("canvas"); | |
| const ctx = canvas.getContext("2d")!; | |
| const img = new window.Image(); | |
| img.onload = () => { | |
| canvas.width = img.width; | |
| canvas.height = img.height; | |
| ctx.fillStyle = "#04040A"; | |
| ctx.fillRect(0, 0, canvas.width, canvas.height); | |
| ctx.drawImage(img, 0, 0); | |
| const a = document.createElement("a"); | |
| a.download = filename; | |
| a.href = canvas.toDataURL("image/png"); | |
| a.click(); | |
| }; | |
| img.src = "data:image/svg+xml;base64," + btoa(unescape(encodeURIComponent(svgStr))); | |
| } | |