| 1 | import { Category as CategoryScale, ScaleConfig } from '@antv/scale';
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| 2 | import Base from './base';
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| 3 |
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| 4 | class Category extends Base {
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| 5 | createScale(scaleConfig: ScaleConfig) {
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| 6 | return new CategoryScale(scaleConfig);
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| 7 | }
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| 8 |
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| 9 | _mapping(value) {
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| 10 | const { scale, range } = this;
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| 11 | if (scale.type === 'cat') {
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| 12 | const index = scale.translate(value);
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| 13 | return range[index % range.length];
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| 14 | }
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| 15 | const normalizeValue = scale.scale(value);
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| 16 | const index = Math.round(normalizeValue * (range.length - 1));
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| 17 | return range[index];
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| 18 | }
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| 19 | }
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| 20 |
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| 21 | export default Category;
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