fix: change the way region align works
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+59
-12
@@ -159,14 +159,14 @@ describe('Region', () => {
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applyAlign(region);
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// 第一轴 (x, axisIndex=0) 对齐:
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// 排序:part3(x=2), part1(x=5), part2(x=7) → children=[part3, part1, part2]
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// 对齐:part3.position[0]=0, part1.position[0]=1, part2.position[0]=2
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// X 轴对齐:
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// 唯一位置值:[2, 5, 7] -> 映射到 [0, 1, 2]
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// part3: 2->0, part1: 5->1, part2: 7->2
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// 结果:part3=[0,30], part1=[1,10], part2=[2,20]
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//
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// 第二轴 (y, axisIndex=1) 对齐:
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// 排序:part1(y=10), part2(y=20), part3(y=30) → children=[part1, part2, part3]
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// 对齐:part1.position[1]=0, part2.position[1]=1, part3.position[1]=2
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// Y 轴对齐:
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// 唯一位置值:[10, 20, 30] -> 映射到 [0, 1, 2]
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// part1: 10->0, part2: 20->1, part3: 30->2
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// 最终:part1=[1,0], part2=[2,1], part3=[0,2]
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const positions = region.children.map(c => ({
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@@ -174,15 +174,62 @@ describe('Region', () => {
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position: c.value.position
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}));
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// children 按 y 轴排序后的顺序
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// children 按位置排序后的顺序
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expect(positions[0].id).toBe('p3');
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expect(positions[0].position).toEqual([0, 2]);
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expect(positions[1].id).toBe('p1');
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expect(positions[1].position).toEqual([1, 0]);
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expect(positions[2].id).toBe('p2');
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expect(positions[2].position).toEqual([2, 1]);
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});
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it('should align 4 elements on rectangle corners', () => {
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// 4 个元素放在矩形的四个角:(0,0), (10,0), (10,1), (0,1)
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// 期望:保持矩形布局,只是紧凑到 (0,0), (1,0), (1,1), (0,1)
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const part1 = createPart('p1', [0, 0]); // 左下角
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const part2 = createPart('p2', [10, 0]); // 右下角
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const part3 = createPart('p3', [10, 1]); // 右上角
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const part4 = createPart('p4', [0, 1]); // 左上角
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const region = createRegion(
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[
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{ name: 'x', min: 0, max: 10, align: 'start' },
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{ name: 'y', min: 0, max: 10, align: 'start' }
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],
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[part1, part2, part3, part4]
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);
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applyAlign(region);
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// X 轴对齐:
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// 唯一位置值:[0, 10] -> 映射到 [0, 1]
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// part1: 0->0, part4: 0->0, part2: 10->1, part3: 10->1
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// 结果:part1=[0,0], part4=[0,1], part2=[1,0], part3=[1,1]
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//
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// Y 轴对齐:
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// 唯一位置值:[0, 1] -> 映射到 [0, 1] (已经是紧凑的)
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// part1: 0->0, part2: 0->0, part4: 1->1, part3: 1->1
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// 最终:part1=[0,0], part2=[1,0], part4=[0,1], part3=[1,1]
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const positions = region.children.map(c => ({
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id: c.value.id,
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position: c.value.position
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}));
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// children 按位置排序后的顺序:(0,0), (0,1), (1,0), (1,1)
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expect(positions[0].id).toBe('p1');
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expect(positions[0].position).toEqual([1, 0]);
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expect(positions[0].position).toEqual([0, 0]);
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expect(positions[1].id).toBe('p2');
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expect(positions[1].position).toEqual([2, 1]);
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expect(positions[1].id).toBe('p4');
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expect(positions[1].position).toEqual([0, 1]);
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expect(positions[2].id).toBe('p3');
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expect(positions[2].position).toEqual([0, 2]);
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expect(positions[2].id).toBe('p2');
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expect(positions[2].position).toEqual([1, 0]);
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expect(positions[3].id).toBe('p3');
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expect(positions[3].position).toEqual([1, 1]);
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});
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});
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