UNPKG

@tanstack/charts

Version:

<div align="center"> <picture> <source media="(prefers-color-scheme: dark)" srcset="https://tanstack.com/api/readme/charts.png?theme=dark" /> <source media="(prefers-color-scheme: light)" srcset="https://tanstack.com/

50 lines (49 loc) 2.44 kB
import { number, escapeAttribute } from "./markup-internal.js"; import { renderChartSvgWithHooks, renderSvgClip } from "./svg-renderer.js"; function renderChartSvg(scene, options) { const gradientIds = new Set(scene.gradients.map((gradient) => gradient.id)); return renderChartSvgWithHooks(scene, options, { renderDefinitions: (currentScene, idPrefix) => renderGradients(currentScene, sanitizeId(idPrefix)), renderGroup: renderSvgClip, resolvePaint: gradientIds.size ? (value, idPrefix) => { const match = /^url\(#([^)]+)\)$/.exec(value); const id = match?.[1]; return id && gradientIds.has(id) ? `url(#${scopedId(sanitizeId(idPrefix), id)})` : value; } : void 0 }); } function renderGradients(scene, idPrefix) { if (!scene.gradients.length) return ""; return `<defs data-ts-key="gradients">${scene.gradients.map((gradient) => { let minimumOffset = 0; const stops = gradient.stops.map((stop, index) => { const offset = Math.max(minimumOffset, clampUnit(stop.offset)); minimumOffset = offset; return `<stop data-ts-key="gradient:${escapeAttribute(gradient.id)}:stop:${index}" offset="${percent(offset)}" stop-color="${escapeAttribute(stop.color)}"${stop.opacity === void 0 ? "" : ` stop-opacity="${number(stop.opacity)}"`}/>`; }).join(""); if (gradient.type === "radial") { const cx = gradient.cx ?? 0.5; const cy = gradient.cy ?? 0.5; return `<radialGradient data-ts-key="gradient:${escapeAttribute(gradient.id)}" id="${escapeAttribute(scopedId(idPrefix, gradient.id))}" cx="${percent(cx)}" cy="${percent(cy)}" r="${percent(gradient.r ?? 0.5)}" fx="${percent(gradient.fx ?? cx)}" fy="${percent(gradient.fy ?? cy)}">${stops}</radialGradient>`; } return `<linearGradient data-ts-key="gradient:${escapeAttribute(gradient.id)}" id="${escapeAttribute(scopedId(idPrefix, gradient.id))}" x1="${percent(gradient.x1 ?? 0)}" y1="${percent(gradient.y1 ?? 1)}" x2="${percent(gradient.x2 ?? 0)}" y2="${percent(gradient.y2 ?? 0)}">${stops}</linearGradient>`; }).join("")}</defs>`; } function scopedId(prefix, id) { return prefix ? `${prefix}-${id}` : id; } function sanitizeId(value) { return value.replaceAll(/[^a-zA-Z0-9_-]/g, ""); } function percent(value) { return `${number(clampUnit(value) * 100)}%`; } function clampUnit(value) { return Number.isNaN(value) ? 0 : Math.max(0, Math.min(1, value)); } export { renderChartSvg };