Refactor code structure for improved readability and maintainability

This commit is contained in:
Azgaar 2026-03-12 14:14:29 +01:00
parent 769ef9eff0
commit 8c78fe2ec1
19 changed files with 2661 additions and 47 deletions

224
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at 2026-03-12T13:04:50.459Z
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colNode = colNodes[i];
col = {
key: colNode.getAttribute('data-col'),
sortable: !colNode.getAttribute('data-nosort'),
type: colNode.getAttribute('data-type') || 'string'
};
cols.push(col);
if (col.sortable) {
col.defaultDescSort = col.type === 'number';
colNode.innerHTML =
colNode.innerHTML + '<span class="sorter"></span>';
}
}
return cols;
}
// attaches a data attribute to every tr element with an object
// of data values keyed by column name
function loadRowData(tableRow) {
var tableCols = tableRow.querySelectorAll('td'),
colNode,
col,
data = {},
i,
val;
for (i = 0; i < tableCols.length; i += 1) {
colNode = tableCols[i];
col = cols[i];
val = colNode.getAttribute('data-value');
if (col.type === 'number') {
val = Number(val);
}
data[col.key] = val;
}
return data;
}
// loads all row data
function loadData() {
var rows = getTableBody().querySelectorAll('tr'),
i;
for (i = 0; i < rows.length; i += 1) {
rows[i].data = loadRowData(rows[i]);
}
}
// sorts the table using the data for the ith column
function sortByIndex(index, desc) {
var key = cols[index].key,
sorter = function(a, b) {
a = a.data[key];
b = b.data[key];
return a < b ? -1 : a > b ? 1 : 0;
},
finalSorter = sorter,
tableBody = document.querySelector('.coverage-summary tbody'),
rowNodes = tableBody.querySelectorAll('tr'),
rows = [],
i;
if (desc) {
finalSorter = function(a, b) {
return -1 * sorter(a, b);
};
}
for (i = 0; i < rowNodes.length; i += 1) {
rows.push(rowNodes[i]);
tableBody.removeChild(rowNodes[i]);
}
rows.sort(finalSorter);
for (i = 0; i < rows.length; i += 1) {
tableBody.appendChild(rows[i]);
}
}
// removes sort indicators for current column being sorted
function removeSortIndicators() {
var col = getNthColumn(currentSort.index),
cls = col.className;
cls = cls.replace(/ sorted$/, '').replace(/ sorted-desc$/, '');
col.className = cls;
}
// adds sort indicators for current column being sorted
function addSortIndicators() {
getNthColumn(currentSort.index).className += currentSort.desc
? ' sorted-desc'
: ' sorted';
}
// adds event listeners for all sorter widgets
function enableUI() {
var i,
el,
ithSorter = function ithSorter(i) {
var col = cols[i];
return function() {
var desc = col.defaultDescSort;
if (currentSort.index === i) {
desc = !currentSort.desc;
}
sortByIndex(i, desc);
removeSortIndicators();
currentSort.index = i;
currentSort.desc = desc;
addSortIndicators();
};
};
for (i = 0; i < cols.length; i += 1) {
if (cols[i].sortable) {
// add the click event handler on the th so users
// dont have to click on those tiny arrows
el = getNthColumn(i).querySelector('.sorter').parentElement;
if (el.addEventListener) {
el.addEventListener('click', ithSorter(i));
} else {
el.attachEvent('onclick', ithSorter(i));
}
}
}
}
// adds sorting functionality to the UI
return function() {
if (!getTable()) {
return;
}
cols = loadColumns();
loadData();
addSearchBox();
addSortIndicators();
enableUI();
};
})();
window.addEventListener('load', addSorting);

View file

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<span class="cline-any cline-neutral">&nbsp;</span></td><td class="text"><pre class="prettyprint lang-js">import { Group, OrthographicCamera, Scene, WebGLRenderer } from "three";
&nbsp;
// ─── Pure exports (testable without DOM or WebGL) ────────────────────────────
&nbsp;
/**
* Converts a D3 zoom transform into orthographic camera bounds.
*
* D3 applies: screen = map * scale + (viewX, viewY)
* Inverting: map = (screen - (viewX, viewY)) / scale
*
* Orthographic bounds (visible map region at current zoom/pan):
* left = -viewX / scale
* right = (graphWidth - viewX) / scale
* top = -viewY / scale
* bottom = (graphHeight - viewY) / scale
*
* top &lt; bottom: Y-down matches SVG; origin at top-left of map.
* Do NOT swap top/bottom or negate — this is correct Three.js Y-down config.
*/
export function buildCameraBounds(
viewX: number,
viewY: number,
scale: number,
graphWidth: number,
graphHeight: number,
): { left: number; right: number; top: number; bottom: number } {
return {
left: (0 - viewX) / scale,
right: (graphWidth - viewX) / scale,
top: (0 - viewY) / scale,
bottom: (graphHeight - viewY) / scale,
};
}
&nbsp;
/**
* Detects WebGL2 support by probing canvas.getContext("webgl2").
* Accepts an optional injectable probe canvas for testability (avoids DOM access in tests).
* Immediately releases the probed context via WEBGL_lose_context if available.
*/
export function detectWebGL2(probe?: HTMLCanvasElement): boolean {
const canvas = probe ?? document.createElement("canvas");
const ctx = canvas.getContext("webgl2");
if (!ctx) return false;
const ext = ctx.getExtension("WEBGL_lose_context");
ext?.loseContext();
return true;
}
&nbsp;
/**
* Returns the CSS z-index for a canvas layer anchored to the given SVG element id.
* Phase 2 forward-compatible: derives index from DOM sibling position (+1 offset).
* Falls back to 2 (above #map SVG at z-index 1) when element is absent or document
* is unavailable (e.g. Node.js test environment).
*
* MVP note: #terrain is a &lt;g&gt; inside &lt;svg#map&gt;, not a sibling of #map-container,
* so this always resolves to the fallback 2 in MVP. Phase 2 (DOM-split) will give
* true per-layer interleaving values automatically.
*/
export function getLayerZIndex(anchorLayerId: string): number {
if (typeof document === "undefined") return 2;
const anchor = document.getElementById(anchorLayerId);
<span class="missing-if-branch" title="else path not taken" >E</span>if (!anchor) return 2;
const siblings = <span class="cstat-no" title="statement not covered" >Array.from(anchor.parentElement?.children ?? []);</span>
const idx = siblings.indexOf(anchor);
// +1 so Phase 2 callers get a correct interleaving value automatically
return idx &gt; 0 ? idx + 1 : 2;
}
&nbsp;
// ─── Interfaces ──────────────────────────────────────────────────────────────
&nbsp;
export interface WebGLLayerConfig {
id: string;
anchorLayerId: string; // SVG &lt;g&gt; id; canvas id derived as `${id}Canvas`
renderOrder: number; // Three.js renderOrder for this layer's Group
setup: (group: Group) =&gt; void; // called once after WebGL2 confirmed; add meshes to group
render: (group: Group) =&gt; void; // called each frame before renderer.render(); update uniforms/geometry
dispose: (group: Group) =&gt; void; // called on unregister(); dispose all GPU objects in group
}
&nbsp;
// Not exported — internal framework bookkeeping only
interface RegisteredLayer {
config: WebGLLayerConfig;
group: Group; // framework-owned; passed to all callbacks — abstraction boundary
}
&nbsp;
// ─── Class ───────────────────────────────────────────────────────────────────
&nbsp;
export class WebGL2LayerFrameworkClass {
private canvas: HTMLCanvasElement | null = null;
private renderer: WebGLRenderer | null = null;
private camera: OrthographicCamera | null = null;
private scene: Scene | null = null;
private layers: Map&lt;string, RegisteredLayer&gt; = new Map();
private pendingConfigs: WebGLLayerConfig[] = []; // queue for register() before init()
private resizeObserver: ResizeObserver | null = null;
private rafId: number | null = null;
private container: HTMLElement | null = null;
&nbsp;
// Backing field — MUST NOT be declared readonly.
// readonly fields can only be assigned in the constructor; init() sets _fallback
// post-construction, which would cause a TypeScript type error with readonly.
private _fallback = false;
&nbsp;
get hasFallback(): boolean {
return this._fallback;
}
&nbsp;
// ─── Public API ────────────────────────────────────────────────────────────
&nbsp;
init(): boolean {
this._fallback = !detectWebGL2();
if (this._fallback) return false;
&nbsp;
const mapEl = document.getElementById("map");
if (!mapEl) {
console.warn(
"WebGL2LayerFramework: #map element not found — init() aborted",
);
return false;
}
&nbsp;
// Wrap #map in a positioned container so the canvas can be a sibling with z-index
const container = document.createElement("div");
container.id = "map-container";
container.style.position = "relative";
mapEl.parentElement!.insertBefore(container, mapEl);
container.appendChild(mapEl);
this.container = container;
&nbsp;
// Canvas: sibling to #map, pointerless, z-index above SVG (AC1)
const canvas = document.createElement("canvas");
canvas.id = "terrainCanvas";
canvas.style.position = "absolute";
canvas.style.inset = "0";
canvas.style.pointerEvents = "none";
canvas.setAttribute("aria-hidden", "true");
canvas.style.zIndex = String(getLayerZIndex("terrain"));
canvas.width = container.clientWidth || <span class="branch-1 cbranch-no" title="branch not covered" >960;</span>
canvas.height = container.clientHeight || <span class="branch-1 cbranch-no" title="branch not covered" >540;</span>
container.appendChild(canvas);
this.canvas = canvas;
&nbsp;
// Three.js core objects (AC4)
this.renderer = new WebGLRenderer({
canvas,
antialias: false,
alpha: true,
});
this.renderer.setSize(canvas.width, canvas.height);
this.scene = new Scene();
this.camera = new OrthographicCamera(
0,
canvas.width,
0,
canvas.height,
-1,
1,
);
&nbsp;
this.subscribeD3Zoom();
&nbsp;
// Process pre-init registrations (register() before init() is explicitly safe)
for (const config of this.pendingConfigs) {
const group = new Group();
group.renderOrder = config.renderOrder;
config.setup(group);
this.scene.add(group);
this.layers.set(config.id, { config, group });
}
this.pendingConfigs = [];
&nbsp;
this.observeResize();
&nbsp;
return true;
}
&nbsp;
register(config: WebGLLayerConfig): void {
<span class="missing-if-branch" title="else path not taken" >E</span>if (!this.scene) {
// init() has not been called yet — queue for processing in init()
this.pendingConfigs.push(config);
return;
}
// Post-init registration: create group immediately
const group = <span class="cstat-no" title="statement not covered" >new Group();</span>
<span class="cstat-no" title="statement not covered" > group.renderOrder = config.renderOrder;</span>
<span class="cstat-no" title="statement not covered" > config.setup(group);</span>
<span class="cstat-no" title="statement not covered" > this.scene.add(group);</span>
<span class="cstat-no" title="statement not covered" > this.layers.set(config.id, { config, group });</span>
}
&nbsp;
unregister(id: string): void {
<span class="missing-if-branch" title="if path not taken" >I</span>if (this._fallback) <span class="cstat-no" title="statement not covered" >return;</span>
const layer = this.layers.get(id);
<span class="missing-if-branch" title="if path not taken" >I</span>if (!layer || !this.scene) <span class="cstat-no" title="statement not covered" >return;</span>
const scene = this.scene;
layer.config.dispose(layer.group);
scene.remove(layer.group);
this.layers.delete(id);
const anyVisible = [...this.layers.values()].some(<span class="fstat-no" title="function not covered" >(l</span>) =&gt; <span class="cstat-no" title="statement not covered" >l.group.visible)</span>;
<span class="missing-if-branch" title="else path not taken" >E</span>if (this.canvas &amp;&amp; !anyVisible) this.canvas.style.display = "none";
}
&nbsp;
setVisible(id: string, visible: boolean): void {
<span class="missing-if-branch" title="if path not taken" >I</span>if (this._fallback) <span class="cstat-no" title="statement not covered" >return;</span>
const layer = this.layers.get(id);
<span class="missing-if-branch" title="if path not taken" >I</span>if (!layer) <span class="cstat-no" title="statement not covered" >return;</span>
layer.group.visible = visible;
const anyVisible = [...this.layers.values()].some((l) =&gt; l.group.visible);
<span class="missing-if-branch" title="else path not taken" >E</span>if (this.canvas) this.canvas.style.display = anyVisible ? "block" : "none";
if (visible) this.requestRender();
}
&nbsp;
clearLayer(id: string): void {
<span class="missing-if-branch" title="if path not taken" >I</span>if (this._fallback) <span class="cstat-no" title="statement not covered" >return;</span>
const layer = this.layers.get(id);
<span class="missing-if-branch" title="if path not taken" >I</span>if (!layer) <span class="cstat-no" title="statement not covered" >return;</span>
layer.group.clear();
}
&nbsp;
requestRender(): void {
<span class="missing-if-branch" title="if path not taken" >I</span>if (this._fallback) <span class="cstat-no" title="statement not covered" >return;</span>
if (this.rafId !== null) return;
this.rafId = requestAnimationFrame(() =&gt; {
this.rafId = null;
this.render();
});
}
&nbsp;
syncTransform(): void {
<span class="missing-if-branch" title="if path not taken" >I</span>if (this._fallback || !this.camera) <span class="cstat-no" title="statement not covered" >return;</span>
const camera = this.camera;
const viewX = (globalThis as any).viewX ?? 0;
const viewY = (globalThis as any).viewY ?? 0;
const scale = (globalThis as any).scale ?? 1;
const graphWidth = (globalThis as any).graphWidth ?? 960;
const graphHeight = (globalThis as any).graphHeight ?? 540;
const bounds = buildCameraBounds(
viewX,
viewY,
scale,
graphWidth,
graphHeight,
);
camera.left = bounds.left;
camera.right = bounds.right;
camera.top = bounds.top;
camera.bottom = bounds.bottom;
camera.updateProjectionMatrix();
}
&nbsp;
// ─── Private helpers ───────────────────────────────────────────────────────
&nbsp;
private subscribeD3Zoom(): void {
// viewbox is a D3 selection global available in the browser; guard for Node test env
<span class="missing-if-branch" title="else path not taken" >E</span>if (typeof (globalThis as any).viewbox === "undefined") return;
(<span class="cstat-no" title="statement not covered" >globalThis as any).viewbox.on("zoom.webgl", <span class="fstat-no" title="function not covered" >() =&gt; <span class="cstat-no" title="statement not covered" >t</span>his.requestRender())</span>;</span>
}
&nbsp;
private observeResize(): void {
<span class="missing-if-branch" title="if path not taken" >I</span>if (!this.container || !this.renderer) <span class="cstat-no" title="statement not covered" >return;</span>
this.resizeObserver = new ResizeObserver(<span class="fstat-no" title="function not covered" >(e</span>ntries) =&gt; {
const { width, height } = <span class="cstat-no" title="statement not covered" >entries[0].contentRect;</span>
<span class="cstat-no" title="statement not covered" > if (this.renderer &amp;&amp; this.canvas) {</span>
<span class="cstat-no" title="statement not covered" > this.renderer.setSize(width, height);</span>
<span class="cstat-no" title="statement not covered" > this.requestRender();</span>
}
});
this.resizeObserver.observe(this.container);
}
&nbsp;
private render(): void {
if (this._fallback || !this.renderer || !this.scene || !this.camera) return;
const renderer = this.renderer;
const scene = this.scene;
const camera = this.camera;
this.syncTransform();
for (const layer of this.layers.values()) {
if (layer.group.visible) {
layer.config.render(layer.group);
}
}
renderer.render(scene, camera);
}
}
&nbsp;
// ─── Global registration (MUST be last line) ─────────────────────────────────
// Uses globalThis (≡ window in browsers) to support both browser runtime and
// Node.js test environments without a ReferenceError.
declare global {
var WebGL2LayerFramework: WebGL2LayerFrameworkClass;
}
globalThis.WebGL2LayerFramework = new WebGL2LayerFrameworkClass();
&nbsp;</pre></td></tr></table></pre>
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at 2026-03-12T13:04:50.459Z
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View file

@ -175,11 +175,13 @@ describe("WebGL2LayerFrameworkClass", () => {
});
it("requestRender() does not throw when called multiple times", () => {
vi.stubGlobal("requestAnimationFrame", vi.fn().mockReturnValue(0));
expect(() => {
framework.requestRender();
framework.requestRender();
framework.requestRender();
}).not.toThrow();
vi.unstubAllGlobals();
});
it("clearLayer() does not throw and preserves layer registration in the Map", () => {
@ -317,3 +319,243 @@ describe("WebGL2LayerFrameworkClass — init()", () => {
expect((framework as any).resizeObserver).not.toBeNull();
});
});
// ─── WebGL2LayerFrameworkClass — lifecycle & render loop (Story 1.3) ───────────
describe("WebGL2LayerFrameworkClass — lifecycle & render loop (Story 1.3)", () => {
let framework: WebGL2LayerFrameworkClass;
const makeConfig = (id = "terrain") => ({
id,
anchorLayerId: id,
renderOrder: 1,
setup: vi.fn(),
render: vi.fn(),
dispose: vi.fn(),
});
beforeEach(() => {
framework = new WebGL2LayerFrameworkClass();
vi.stubGlobal("requestAnimationFrame", vi.fn().mockReturnValue(42));
});
afterEach(() => {
vi.restoreAllMocks();
vi.unstubAllGlobals();
});
// ── requestRender() / RAF coalescing ──────────────────────────────────────
it("requestRender() schedules exactly one RAF for three rapid calls (AC6)", () => {
framework.requestRender();
framework.requestRender();
framework.requestRender();
expect((globalThis as any).requestAnimationFrame).toHaveBeenCalledTimes(1);
});
it("requestRender() resets rafId to null after the frame callback executes (AC6)", () => {
let storedCallback: (() => void) | null = null;
vi.stubGlobal(
"requestAnimationFrame",
vi.fn().mockImplementation((cb: () => void) => {
storedCallback = cb;
return 42;
}),
);
framework.requestRender();
expect((framework as any).rafId).not.toBeNull();
storedCallback!();
expect((framework as any).rafId).toBeNull();
});
// ── syncTransform() ───────────────────────────────────────────────────────
it("syncTransform() applies buildCameraBounds(0,0,1,960,540) to camera (AC8)", () => {
const mockCamera = {
left: 0,
right: 0,
top: 0,
bottom: 0,
updateProjectionMatrix: vi.fn(),
};
(framework as any).camera = mockCamera;
vi.stubGlobal("viewX", 0);
vi.stubGlobal("viewY", 0);
vi.stubGlobal("scale", 1);
vi.stubGlobal("graphWidth", 960);
vi.stubGlobal("graphHeight", 540);
framework.syncTransform();
const expected = buildCameraBounds(0, 0, 1, 960, 540);
expect(mockCamera.left).toBe(expected.left);
expect(mockCamera.right).toBe(expected.right);
expect(mockCamera.top).toBe(expected.top);
expect(mockCamera.bottom).toBe(expected.bottom);
expect(mockCamera.updateProjectionMatrix).toHaveBeenCalledOnce();
});
it("syncTransform() uses ?? defaults when globals are absent (AC8)", () => {
const mockCamera = {
left: 99,
right: 99,
top: 99,
bottom: 99,
updateProjectionMatrix: vi.fn(),
};
(framework as any).camera = mockCamera;
// No globals stubbed — ?? fallbacks (0, 0, 1, 960, 540) take effect
framework.syncTransform();
const expected = buildCameraBounds(0, 0, 1, 960, 540);
expect(mockCamera.left).toBe(expected.left);
expect(mockCamera.right).toBe(expected.right);
});
// ── render() — dispatch order ─────────────────────────────────────────────
it("render() calls syncTransform, then per-layer render, then renderer.render in order (AC7)", () => {
const order: string[] = [];
const layerRenderFn = vi.fn(() => order.push("layer.render"));
const mockRenderer = { render: vi.fn(() => order.push("renderer.render")) };
const mockCamera = {
left: 0,
right: 0,
top: 0,
bottom: 0,
updateProjectionMatrix: vi.fn(),
};
(framework as any).renderer = mockRenderer;
(framework as any).scene = {};
(framework as any).camera = mockCamera;
(framework as any).layers.set("terrain", {
config: { ...makeConfig(), render: layerRenderFn },
group: { visible: true },
});
const syncSpy = vi
.spyOn(framework as any, "syncTransform")
.mockImplementation(() => order.push("syncTransform"));
vi.stubGlobal(
"requestAnimationFrame",
vi.fn().mockImplementation((cb: () => void) => {
cb();
return 1;
}),
);
framework.requestRender();
expect(order).toEqual(["syncTransform", "layer.render", "renderer.render"]);
syncSpy.mockRestore();
});
it("render() skips invisible layers — config.render not called (AC7)", () => {
const invisibleRenderFn = vi.fn();
const mockRenderer = { render: vi.fn() };
(framework as any).renderer = mockRenderer;
(framework as any).scene = {};
(framework as any).camera = {
left: 0,
right: 0,
top: 0,
bottom: 0,
updateProjectionMatrix: vi.fn(),
};
(framework as any).layers.set("terrain", {
config: { ...makeConfig(), render: invisibleRenderFn },
group: { visible: false },
});
vi.stubGlobal(
"requestAnimationFrame",
vi.fn().mockImplementation((cb: () => void) => {
cb();
return 1;
}),
);
framework.requestRender();
expect(invisibleRenderFn).not.toHaveBeenCalled();
});
// ── setVisible() ──────────────────────────────────────────────────────────
it("setVisible(false) sets group.visible=false without calling dispose (AC3, NFR-P6)", () => {
const config = makeConfig();
const group = { visible: true };
(framework as any).layers.set("terrain", { config, group });
(framework as any).canvas = { style: { display: "block" } };
framework.setVisible("terrain", false);
expect(group.visible).toBe(false);
expect(config.dispose).not.toHaveBeenCalled();
});
it("setVisible(false) hides canvas when all layers become invisible (AC3)", () => {
const canvas = { style: { display: "block" } };
(framework as any).canvas = canvas;
(framework as any).layers.set("terrain", {
config: makeConfig(),
group: { visible: true },
});
(framework as any).layers.set("rivers", {
config: makeConfig("rivers"),
group: { visible: false },
});
framework.setVisible("terrain", false);
expect(canvas.style.display).toBe("none");
});
it("setVisible(true) calls requestRender() (AC4)", () => {
const group = { visible: false };
(framework as any).layers.set("terrain", { config: makeConfig(), group });
(framework as any).canvas = { style: { display: "none" } };
const renderSpy = vi.spyOn(framework, "requestRender");
framework.setVisible("terrain", true);
expect(group.visible).toBe(true);
expect(renderSpy).toHaveBeenCalledOnce();
});
// ── clearLayer() ──────────────────────────────────────────────────────────
it("clearLayer() calls group.clear() and preserves layer in the Map (AC5)", () => {
const clearFn = vi.fn();
(framework as any).layers.set("terrain", {
config: makeConfig(),
group: { visible: true, clear: clearFn },
});
framework.clearLayer("terrain");
expect(clearFn).toHaveBeenCalledOnce();
expect((framework as any).layers.has("terrain")).toBe(true);
});
it("clearLayer() does not call renderer.dispose (AC5, NFR-P6)", () => {
const mockRenderer = { render: vi.fn(), dispose: vi.fn() };
(framework as any).renderer = mockRenderer;
(framework as any).layers.set("terrain", {
config: makeConfig(),
group: { visible: true, clear: vi.fn() },
});
framework.clearLayer("terrain");
expect(mockRenderer.dispose).not.toHaveBeenCalled();
});
// ── unregister() ──────────────────────────────────────────────────────────
it("unregister() calls dispose, removes from scene and Map (AC9)", () => {
const config = makeConfig();
const group = { visible: true };
const mockScene = { remove: vi.fn() };
(framework as any).scene = mockScene;
(framework as any).canvas = { style: { display: "block" } };
(framework as any).layers.set("terrain", { config, group });
framework.unregister("terrain");
expect(config.dispose).toHaveBeenCalledWith(group);
expect(mockScene.remove).toHaveBeenCalledWith(group);
expect((framework as any).layers.has("terrain")).toBe(false);
});
it("unregister() hides canvas when it was the last registered layer (AC9)", () => {
const canvas = { style: { display: "block" } };
(framework as any).canvas = canvas;
(framework as any).scene = { remove: vi.fn() };
(framework as any).layers.set("terrain", {
config: makeConfig(),
group: { visible: true },
});
framework.unregister("terrain");
expect(canvas.style.display).toBe("none");
});
});

View file

@ -88,13 +88,11 @@ interface RegisteredLayer {
export class WebGL2LayerFrameworkClass {
private canvas: HTMLCanvasElement | null = null;
private renderer: WebGLRenderer | null = null;
// biome-ignore lint/correctness/noUnusedPrivateClassMembers: assigned in init(); read in Story 1.3 render() + syncTransform()
private camera: OrthographicCamera | null = null;
private scene: Scene | null = null;
private layers: Map<string, RegisteredLayer> = new Map();
private pendingConfigs: WebGLLayerConfig[] = []; // queue for register() before init()
private resizeObserver: ResizeObserver | null = null;
// biome-ignore lint/correctness/noUnusedPrivateClassMembers: read/written in Story 1.3 requestRender()
private rafId: number | null = null;
private container: HTMLElement | null = null;
@ -190,25 +188,64 @@ export class WebGL2LayerFrameworkClass {
this.layers.set(config.id, { config, group });
}
unregister(_id: string): void {
// Story 1.3: call config.dispose(group); remove from layers Map; cleanup canvas if empty.
unregister(id: string): void {
if (this._fallback) return;
const layer = this.layers.get(id);
if (!layer || !this.scene) return;
const scene = this.scene;
layer.config.dispose(layer.group);
scene.remove(layer.group);
this.layers.delete(id);
const anyVisible = [...this.layers.values()].some((l) => l.group.visible);
if (this.canvas && !anyVisible) this.canvas.style.display = "none";
}
setVisible(_id: string, _visible: boolean): void {
// Story 1.3: toggle group.visible; hide canvas only when ALL layers invisible (NFR-P6).
setVisible(id: string, visible: boolean): void {
if (this._fallback) return;
const layer = this.layers.get(id);
if (!layer) return;
layer.group.visible = visible;
const anyVisible = [...this.layers.values()].some((l) => l.group.visible);
if (this.canvas) this.canvas.style.display = anyVisible ? "block" : "none";
if (visible) this.requestRender();
}
clearLayer(_id: string): void {
// Story 1.3: group.clear() — wipes Mesh children without disposing renderer (NFR-P6).
clearLayer(id: string): void {
if (this._fallback) return;
const layer = this.layers.get(id);
if (!layer) return;
layer.group.clear();
}
requestRender(): void {
// Story 1.3: RAF-coalesced render request; schedules this.render() via requestAnimationFrame.
this.render();
if (this._fallback) return;
if (this.rafId !== null) return;
this.rafId = requestAnimationFrame(() => {
this.rafId = null;
this.render();
});
}
syncTransform(): void {
// Story 1.3: read window globals viewX/viewY/scale; apply buildCameraBounds to camera.
if (this._fallback || !this.camera) return;
const camera = this.camera;
const viewX = (globalThis as any).viewX ?? 0;
const viewY = (globalThis as any).viewY ?? 0;
const scale = (globalThis as any).scale ?? 1;
const graphWidth = (globalThis as any).graphWidth ?? 960;
const graphHeight = (globalThis as any).graphHeight ?? 540;
const bounds = buildCameraBounds(
viewX,
viewY,
scale,
graphWidth,
graphHeight,
);
camera.left = bounds.left;
camera.right = bounds.right;
camera.top = bounds.top;
camera.bottom = bounds.bottom;
camera.updateProjectionMatrix();
}
// ─── Private helpers ───────────────────────────────────────────────────────
@ -232,7 +269,17 @@ export class WebGL2LayerFrameworkClass {
}
private render(): void {
// Story 1.3: syncTransform → per-layer render(group) callbacks → renderer.render(scene, camera).
if (this._fallback || !this.renderer || !this.scene || !this.camera) return;
const renderer = this.renderer;
const scene = this.scene;
const camera = this.camera;
this.syncTransform();
for (const layer of this.layers.values()) {
if (layer.group.visible) {
layer.config.render(layer.group);
}
}
renderer.render(scene, camera);
}
}