28 lines
719 B
TypeScript
28 lines
719 B
TypeScript
import { formatNumberToFraction, roundToString } from './number';
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export const formatAperture = (aperture?: number) =>
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aperture
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? `ƒ/${roundToString(aperture)}`
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: undefined;
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export const formatIso = (iso?: number) =>
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iso ? `ISO ${iso}` : undefined;
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export const formatExposureTime = (exposureTime = 0) =>
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exposureTime > 0
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? exposureTime < 1
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? `1/${Math.floor(1 / exposureTime)}s`
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: `${exposureTime}s`
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: undefined;
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export const formatExposureCompensation = (exposureCompensation?: number) => {
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if (
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exposureCompensation &&
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Math.abs(exposureCompensation) > 0.01
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) {
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return `${formatNumberToFraction(exposureCompensation)}ev`;
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} else {
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return undefined;
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}
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};
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