60 lines
1.3 KiB
TypeScript
60 lines
1.3 KiB
TypeScript
import {
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Photo,
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PhotoDateRange,
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descriptionForPhotoSet,
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photoQuantityText,
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} from '@/photo';
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import {
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absolutePathForFocalLength,
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absolutePathForFocalLengthImage,
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} from '@/site/paths';
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export const getFocalLengthFromString = (focalString?: string) => {
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const focal = focalString?.match(/^([0-9]+)mm/)?.[1];
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return focal ? parseInt(focal, 10) : 0;
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};
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export const formatFocalLength = (focal?: number) => focal ?
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`${focal}mm`
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: undefined;
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export const titleForFocalLength = (
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focal: number,
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photos: Photo[],
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explicitCount?: number,
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) => [
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`${formatFocalLength(focal)} Focal Length`,
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photoQuantityText(explicitCount ?? photos.length),
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].join(' ');
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export const descriptionForFocalLengthPhotos = (
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photos: Photo[],
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dateBased?: boolean,
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explicitCount?: number,
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explicitDateRange?: PhotoDateRange,
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) =>
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descriptionForPhotoSet(
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photos,
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undefined,
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dateBased,
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explicitCount,
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explicitDateRange,
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);
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export const generateMetaForFocalLength = (
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focal: number,
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photos: Photo[],
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explicitCount?: number,
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explicitDateRange?: PhotoDateRange,
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) => ({
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url: absolutePathForFocalLength(focal),
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title: titleForFocalLength(focal, photos, explicitCount),
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description: descriptionForFocalLengthPhotos(
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photos,
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true,
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explicitCount,
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explicitDateRange,
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),
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images: absolutePathForFocalLengthImage(focal),
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});
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