@tldraw/editor/dist-esm/lib/components/default-components/DefaultSnapIndictor.mjs.map

tldraw infinite canvas SDK (editor).

{
  "version": 3,
  "sources": ["../../../../src/lib/components/default-components/DefaultSnapIndictor.tsx"],
  "sourcesContent": ["import classNames from 'classnames'\nimport * as React from 'react'\nimport {\n\ttype GapsSnapIndicator,\n\ttype PointsSnapIndicator,\n\ttype SnapIndicator,\n} from '../../editor/managers/SnapManager/SnapManager'\nimport { rangeIntersection } from '../../primitives/utils'\n\nfunction PointsSnapIndicator({ points, zoom }: { zoom: number } & PointsSnapIndicator) {\n\tconst l = 2.5 / zoom\n\n\tconst minX = points.reduce((acc, p) => Math.min(acc, p.x), Infinity)\n\tconst maxX = points.reduce((acc, p) => Math.max(acc, p.x), -Infinity)\n\tconst minY = points.reduce((acc, p) => Math.min(acc, p.y), Infinity)\n\tconst maxY = points.reduce((acc, p) => Math.max(acc, p.y), -Infinity)\n\n\tconst useNWtoSEdireciton = points.some((p) => p.x === minX && p.y === minY)\n\tlet firstX: number, firstY: number, secondX: number, secondY: number\n\tif (useNWtoSEdireciton) {\n\t\tfirstX = minX\n\t\tfirstY = minY\n\t\tsecondX = maxX\n\t\tsecondY = maxY\n\t} else {\n\t\tfirstX = minX\n\t\tfirstY = maxY\n\t\tsecondX = maxX\n\t\tsecondY = minY\n\t}\n\n\treturn (\n\t\t<g className=\"tl-snap-indicator\" stroke=\"lime\">\n\t\t\t<line x1={firstX} y1={firstY} x2={secondX} y2={secondY} />\n\t\t\t{points.map((p, i) => (\n\t\t\t\t<g transform={`translate(${p.x},${p.y})`} key={i}>\n\t\t\t\t\t<path\n\t\t\t\t\t\tclassName=\"tl-snap-point\"\n\t\t\t\t\t\td={`M ${-l},${-l} L ${l},${l} M ${-l},${l} L ${l},${-l}`}\n\t\t\t\t\t/>\n\t\t\t\t</g>\n\t\t\t))}\n\t\t</g>\n\t)\n}\n\nfunction GapsSnapIndicator({ gaps, direction, zoom }: { zoom: number } & GapsSnapIndicator) {\n\tconst l = 3.5 / zoom\n\n\tlet edgeIntersection: number[] | null = [-Infinity, +Infinity]\n\tlet nextEdgeIntersection: number[] | null = null\n\n\tconst horizontal = direction === 'horizontal'\n\n\t// find intersection of all gaps so we can render a straight line through it;\n\t// some range intersections may return null, in which case we skip that gap.\n\tfor (const gap of gaps) {\n\t\tnextEdgeIntersection = rangeIntersection(\n\t\t\tedgeIntersection[0],\n\t\t\tedgeIntersection[1],\n\t\t\thorizontal ? gap.startEdge[0].y : gap.startEdge[0].x,\n\t\t\thorizontal ? gap.startEdge[1].y : gap.startEdge[1].x\n\t\t)\n\n\t\tif (nextEdgeIntersection) {\n\t\t\tedgeIntersection = nextEdgeIntersection\n\t\t} else {\n\t\t\tcontinue\n\t\t}\n\n\t\tnextEdgeIntersection = rangeIntersection(\n\t\t\tedgeIntersection[0],\n\t\t\tedgeIntersection[1],\n\t\t\thorizontal ? gap.endEdge[0].y : gap.endEdge[0].x,\n\t\t\thorizontal ? gap.endEdge[1].y : gap.endEdge[1].x\n\t\t)\n\n\t\tif (nextEdgeIntersection) {\n\t\t\tedgeIntersection = nextEdgeIntersection\n\t\t} else {\n\t\t\tcontinue\n\t\t}\n\t}\n\n\tif (edgeIntersection === null) {\n\t\treturn null\n\t}\n\n\tconst midPoint = (edgeIntersection[0] + edgeIntersection[1]) / 2\n\n\treturn (\n\t\t<g className=\"tl-snap-indicator\" stroke=\"cyan\">\n\t\t\t{gaps.map(({ startEdge, endEdge }, i) => (\n\t\t\t\t<React.Fragment key={i}>\n\t\t\t\t\t{horizontal ? (\n\t\t\t\t\t\t// horizontal gap\n\t\t\t\t\t\t<>\n\t\t\t\t\t\t\t{/* start edge */}\n\t\t\t\t\t\t\t<line\n\t\t\t\t\t\t\t\tx1={startEdge[0].x}\n\t\t\t\t\t\t\t\ty1={midPoint - 2 * l}\n\t\t\t\t\t\t\t\tx2={startEdge[1].x}\n\t\t\t\t\t\t\t\ty2={midPoint + 2 * l}\n\t\t\t\t\t\t\t/>\n\t\t\t\t\t\t\t{/* end edge */}\n\t\t\t\t\t\t\t<line\n\t\t\t\t\t\t\t\tx1={endEdge[0].x}\n\t\t\t\t\t\t\t\ty1={midPoint - 2 * l}\n\t\t\t\t\t\t\t\tx2={endEdge[1].x}\n\t\t\t\t\t\t\t\ty2={midPoint + 2 * l}\n\t\t\t\t\t\t\t/>\n\t\t\t\t\t\t\t{/* joining line */}\n\t\t\t\t\t\t\t<line x1={startEdge[0].x} y1={midPoint} x2={endEdge[0].x} y2={midPoint} />\n\t\t\t\t\t\t\t{/* center point marker */}\n\t\t\t\t\t\t\t<line\n\t\t\t\t\t\t\t\tx1={(startEdge[0].x + endEdge[0].x) / 2}\n\t\t\t\t\t\t\t\ty1={midPoint - l}\n\t\t\t\t\t\t\t\tx2={(startEdge[0].x + endEdge[0].x) / 2}\n\t\t\t\t\t\t\t\ty2={midPoint + l}\n\t\t\t\t\t\t\t/>\n\t\t\t\t\t\t</>\n\t\t\t\t\t) : (\n\t\t\t\t\t\t// vertical gap\n\t\t\t\t\t\t<>\n\t\t\t\t\t\t\t{/* start edge */}\n\t\t\t\t\t\t\t<line\n\t\t\t\t\t\t\t\tx1={midPoint - 2 * l}\n\t\t\t\t\t\t\t\ty1={startEdge[0].y}\n\t\t\t\t\t\t\t\tx2={midPoint + 2 * l}\n\t\t\t\t\t\t\t\ty2={startEdge[1].y}\n\t\t\t\t\t\t\t/>\n\t\t\t\t\t\t\t{/* end edge */}\n\t\t\t\t\t\t\t<line\n\t\t\t\t\t\t\t\tx1={midPoint - 2 * l}\n\t\t\t\t\t\t\t\ty1={endEdge[0].y}\n\t\t\t\t\t\t\t\tx2={midPoint + 2 * l}\n\t\t\t\t\t\t\t\ty2={endEdge[1].y}\n\t\t\t\t\t\t\t/>\n\t\t\t\t\t\t\t{/* joining line */}\n\t\t\t\t\t\t\t<line x1={midPoint} y1={startEdge[0].y} x2={midPoint} y2={endEdge[0].y} />\n\t\t\t\t\t\t\t{/* center point marker */}\n\t\t\t\t\t\t\t<line\n\t\t\t\t\t\t\t\tx1={midPoint - l}\n\t\t\t\t\t\t\t\ty1={(startEdge[0].y + endEdge[0].y) / 2}\n\t\t\t\t\t\t\t\tx2={midPoint + l}\n\t\t\t\t\t\t\t\ty2={(startEdge[0].y + endEdge[0].y) / 2}\n\t\t\t\t\t\t\t/>\n\t\t\t\t\t\t</>\n\t\t\t\t\t)}\n\t\t\t\t</React.Fragment>\n\t\t\t))}\n\t\t</g>\n\t)\n}\n\n/** @public */\nexport interface TLSnapIndicatorProps {\n\tclassName?: string\n\tline: SnapIndicator\n\tzoom: number\n}\n\n/** @public @react */\nexport function DefaultSnapIndicator({ className, line, zoom }: TLSnapIndicatorProps) {\n\treturn (\n\t\t<svg className={classNames('tl-overlays__item', className)} aria-hidden=\"true\">\n\t\t\t{line.type === 'points' ? (\n\t\t\t\t<PointsSnapIndicator {...line} zoom={zoom} />\n\t\t\t) : line.type === 'gaps' ? (\n\t\t\t\t<GapsSnapIndicator {...line} zoom={zoom} />\n\t\t\t) : null}\n\t\t</svg>\n\t)\n}\n"],
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