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style: format remaining owned runtime modules

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Sameh Khamis committed 2026-09-15 07:26:32 -07:00
1 parent ae99843c14
commit 2aca7aecbb
94 files changed
+8865 -3151
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src/data/flowMatch.js
+29 -9
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@@ -45,7 +45,9 @@ export function median(values) {
if (!Array.isArray(values) || values.length === 0) return null;
const sorted = [...values].sort((a, b) => a - b);
const mid = sorted.length >> 1;
return sorted.length % 2 === 1 ? sorted[mid] : (sorted[mid - 1] + sorted[mid]) / 2;
return sorted.length % 2 === 1
? sorted[mid]
: (sorted[mid - 1] + sorted[mid]) / 2;
}
/** Bearing (degrees, 0 = north, clockwise) of a projected dx/dy vector. */
@@ -98,13 +100,19 @@ export function matchFlowToRoads(roads, flowSegments) {
const roadCount = Array.isArray(roads) ? roads.length : 0;
const matches = new Array(roadCount).fill(null);
const empty = { matches, matchedCount: 0, candidateCount: 0 };
if (roadCount === 0 || !Array.isArray(flowSegments) || flowSegments.length === 0) {
if (
roadCount === 0 ||
!Array.isArray(flowSegments) ||
flowSegments.length === 0
) {
return empty;
}
// Local equirectangular projection anchored at the first flow coordinate —
// over a ≤0.05° fetch box the distortion is negligible.
const anchor = flowSegments.find((f) => Array.isArray(f?.coords) && f.coords.length >= 2);
const anchor = flowSegments.find(
(f) => Array.isArray(f?.coords) && f.coords.length >= 2,
);
if (!anchor) return empty;
const [refLon, refLat] = anchor.coords[0];
const mPerDegLon = M_PER_DEG_LAT * Math.cos((refLat * Math.PI) / 180);
@@ -114,7 +122,8 @@ export function matchFlowToRoads(roads, flowSegments) {
// ── 1. Spatial hash of flow segments (midpoint-keyed 100 m cells) ──
/** @type {Map<string, Array<{ax:number,ay:number,bx:number,by:number,bearing:number,level:number,closure:boolean}>>} */
const grid = new Map();
const cellOf = (x, y) => `${Math.floor(x / CELL_SIZE_M)},${Math.floor(y / CELL_SIZE_M)}`;
const cellOf = (x, y) =>
`${Math.floor(x / CELL_SIZE_M)},${Math.floor(y / CELL_SIZE_M)}`;
for (const flow of flowSegments) {
const coords = flow?.coords;
@@ -173,7 +182,8 @@ export function matchFlowToRoads(roads, flowSegments) {
for (let i = 0; i < coords.length; i++) {
xs[i] = projX(coords[i][0]);
ys[i] = projY(coords[i][1]);
if (i > 0) cum[i] = cum[i - 1] + Math.hypot(xs[i] - xs[i - 1], ys[i] - ys[i - 1]);
if (i > 0)
cum[i] = cum[i - 1] + Math.hypot(xs[i] - xs[i - 1], ys[i] - ys[i - 1]);
}
const totalLen = cum[coords.length - 1];
if (!(totalLen > 0)) continue;
@@ -188,10 +198,14 @@ export function matchFlowToRoads(roads, flowSegments) {
// cross-street flow lines meet at intersections.
const target = (totalLen * (s + 0.5)) / ROAD_SAMPLES;
while (cursor < coords.length - 1 && cum[cursor] < target) cursor++;
const segT = (target - cum[cursor - 1]) / (cum[cursor] - cum[cursor - 1] || 1);
const segT =
(target - cum[cursor - 1]) / (cum[cursor] - cum[cursor - 1] || 1);
const px = xs[cursor - 1] + (xs[cursor] - xs[cursor - 1]) * segT;
const py = ys[cursor - 1] + (ys[cursor] - ys[cursor - 1]) * segT;
const sampleBearing = bearingDeg(xs[cursor] - xs[cursor - 1], ys[cursor] - ys[cursor - 1]);
const sampleBearing = bearingDeg(
xs[cursor] - xs[cursor - 1],
ys[cursor] - ys[cursor - 1],
);
// 3×3 cell probe around the sample.
const cx = Math.floor(px / CELL_SIZE_M);
@@ -206,7 +220,11 @@ export function matchFlowToRoads(roads, flowSegments) {
const d2 = pointSegDist2(px, py, seg.ax, seg.ay, seg.bx, seg.by);
if (d2 > radius2) continue;
hadCandidate = true; // within radius, bearing not yet checked
if (bearingDiffDeg(seg.bearing, sampleBearing) >= BEARING_TOLERANCE_DEG) continue;
if (
bearingDiffDeg(seg.bearing, sampleBearing) >=
BEARING_TOLERANCE_DEG
)
continue;
if (d2 <= bestDist2) {
bestDist2 = d2;
best = seg;
@@ -221,7 +239,9 @@ export function matchFlowToRoads(roads, flowSegments) {
}
if (hadCandidate) candidateCount++;
if (matchedLevels.length >= Math.max(MIN_MATCHED_SAMPLES, ROAD_SAMPLES / 2)) {
if (
matchedLevels.length >= Math.max(MIN_MATCHED_SAMPLES, ROAD_SAMPLES / 2)
) {
matches[r] = { level: median(matchedLevels), closure: matchedClosure };
matchedCount++;
}