| 45 | }; |
| 46 | |
| 47 | const computeDataBounds = ( |
| 48 | data: ResolvedLineSeriesConfig['data'] |
| 49 | ): { readonly xMin: number; readonly xMax: number; readonly yMin: number; readonly yMax: number } => { |
| 50 | let xMin = Number.POSITIVE_INFINITY; |
| 51 | let xMax = Number.NEGATIVE_INFINITY; |
| 52 | let yMin = Number.POSITIVE_INFINITY; |
| 53 | let yMax = Number.NEGATIVE_INFINITY; |
| 54 | |
| 55 | for (let i = 0; i < data.length; i++) { |
| 56 | const { x, y } = getPointXY(data[i]); |
| 57 | if (!Number.isFinite(x) || !Number.isFinite(y)) continue; |
| 58 | if (x < xMin) xMin = x; |
| 59 | if (x > xMax) xMax = x; |
| 60 | if (y < yMin) yMin = y; |
| 61 | if (y > yMax) yMax = y; |
| 62 | } |
| 63 | |
| 64 | if (!Number.isFinite(xMin) || !Number.isFinite(xMax) || !Number.isFinite(yMin) || !Number.isFinite(yMax)) { |
| 65 | return { xMin: 0, xMax: 1, yMin: 0, yMax: 1 }; |
| 66 | } |
| 67 | |
| 68 | // Avoid degenerate domains for affine derivation (handled later too, but keep stable samples). |
| 69 | if (xMin === xMax) xMax = xMin + 1; |
| 70 | if (yMin === yMax) yMax = yMin + 1; |
| 71 | |
| 72 | return { xMin, xMax, yMin, yMax }; |
| 73 | }; |
| 74 | |
| 75 | const computeClipAffineFromScale = ( |
| 76 | scale: LinearScale, |