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27 lines
882 B
Plaintext
27 lines
882 B
Plaintext
/**
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* Given a series colors, this function will return a `scale(x)` function that
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* accepts a percentage as a decimal between 0 and 1 and returns the color at
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* that percentage in the scale.
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*
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* ```js
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* const scale = getScale('red', 'yellow', 'green');
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* console.log(scale(0)); // rgba(255, 0, 0, 1)
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* console.log(scale(0.5)); // rgba(255, 255, 0, 1)
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* console.log(scale(1)); // rgba(0, 128, 0, 1)
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* ```
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*
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* If you'd like to limit the domain and range like chroma-js, we recommend
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* wrapping scale again.
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*
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* ```js
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* const _scale = getScale('red', 'yellow', 'green');
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* const scale = x => _scale(x / 100);
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*
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* console.log(scale(0)); // rgba(255, 0, 0, 1)
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* console.log(scale(50)); // rgba(255, 255, 0, 1)
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* console.log(scale(100)); // rgba(0, 128, 0, 1)
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* ```
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*/
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declare function getScale(...colors: string[]): (n: number) => string;
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export default getScale;
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