chore: Add tests for calculateDeltaAndAngle
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@ -117,6 +117,9 @@ export const getBuildConfig = ({ minify, core, watch, entryName }: BuildOptions)
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output,
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},
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},
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define: {
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'import.meta.vitest': 'undefined',
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},
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resolve: {
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extensions: [],
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},
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@ -2,7 +2,7 @@ import mermaid from './mermaid.js';
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import { mermaidAPI } from './mermaidAPI.js';
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import './diagram-api/diagram-orchestration.js';
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import { addDiagrams } from './diagram-api/diagram-orchestration.js';
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import { beforeAll, describe, it, expect, vi } from 'vitest';
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import { beforeAll, describe, it, expect, vi, afterEach } from 'vitest';
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import type { DiagramDefinition } from './diagram-api/types.js';
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beforeAll(async () => {
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@ -19,14 +19,14 @@ const markerOffsets = {
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* @returns The angle, deltaX and deltaY
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*/
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function calculateDeltaAndAngle(
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point1: Point | [number, number],
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point2: Point | [number, number]
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point1?: Point | [number, number],
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point2?: Point | [number, number]
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): { angle: number; deltaX: number; deltaY: number } {
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point1 = pointTransformer(point1);
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point2 = pointTransformer(point2);
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if (point1 === undefined || point2 === undefined) {
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return { angle: 0, deltaX: 0, deltaY: 0 };
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}
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point1 = pointTransformer(point1);
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point2 = pointTransformer(point2);
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const [x1, y1] = [point1.x, point1.y];
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const [x2, y2] = [point2.x, point2.y];
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const deltaX = x2 - x1;
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@ -93,3 +93,44 @@ export const getLineFunctionsWithOffset = (
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},
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};
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};
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if (import.meta.vitest) {
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const { it, expect, describe } = import.meta.vitest;
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describe('calculateDeltaAndAngle', () => {
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it('should calculate the angle and deltas between two points', () => {
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expect(calculateDeltaAndAngle([0, 0], [0, 1])).toStrictEqual({
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angle: 1.5707963267948966,
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deltaX: 0,
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deltaY: 1,
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});
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expect(calculateDeltaAndAngle([1, 0], [0, -1])).toStrictEqual({
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angle: 0.7853981633974483,
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deltaX: -1,
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deltaY: -1,
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});
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expect(calculateDeltaAndAngle({ x: 1, y: 0 }, [0, -1])).toStrictEqual({
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angle: 0.7853981633974483,
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deltaX: -1,
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deltaY: -1,
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});
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expect(calculateDeltaAndAngle({ x: 1, y: 0 }, { x: 1, y: 0 })).toStrictEqual({
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angle: NaN,
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deltaX: 0,
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deltaY: 0,
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});
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});
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it('should calculate the angle and deltas if one point in undefined', () => {
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expect(calculateDeltaAndAngle(undefined, [0, 1])).toStrictEqual({
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angle: 0,
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deltaX: 0,
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deltaY: 0,
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});
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expect(calculateDeltaAndAngle([0, 1], undefined)).toStrictEqual({
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angle: 0,
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deltaX: 0,
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deltaY: 0,
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});
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});
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});
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}
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@ -2,7 +2,8 @@
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"extends": "../../tsconfig.json",
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"compilerOptions": {
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"rootDir": "./src",
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"outDir": "./dist"
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"outDir": "./dist",
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"types": ["vitest/importMeta"]
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},
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"include": ["./src/**/*.ts", "./package.json"]
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}
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@ -24,6 +24,7 @@ export default defineConfig({
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reportsDirectory: './coverage/vitest',
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exclude: ['**/node_modules/**', '**/tests/**', '**/__mocks__/**'],
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},
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includeSource: ['packages/*/src/**/*.{js,ts}'],
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},
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build: {
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/** If you set esmExternals to true, this plugins assumes that
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@ -33,4 +34,7 @@ export default defineConfig({
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esmExternals: true,
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},
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},
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define: {
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'import.meta.vitest': 'undefined',
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},
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});
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