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10 lines
286 B
TypeScript
10 lines
286 B
TypeScript
export function previewUrl(url: string) {
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const lastDotIndex = url.lastIndexOf(".");
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if (lastDotIndex === -1) return url;
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const urlWithoutExtension = url.slice(0, lastDotIndex);
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const extension = url.slice(lastDotIndex + 1);
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return `${urlWithoutExtension}-small.${extension}`;
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}
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