39 lines
968 B
TypeScript
39 lines
968 B
TypeScript
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import { stripHtmlTags } from './strip-html-tags';
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/**
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* Helper to get a preview string
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*
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* @param input
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* @returns returns the first and last 150 characters of a string; used within
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* tooltips for previews
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*/
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export function getLongPreview(input: string): string {
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if (!input || !input.length) {
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return '';
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}
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if (input.length < 300) {
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return stripHtmlTags(input);
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}
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return (
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stripHtmlTags(input.substring(0, 147)) +
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' [...] ' +
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stripHtmlTags(input.substring(input.length - 150, input.length))
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);
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}
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/**
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* Get the first characters of a string, for preview purposes
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*
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* @param input any string
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* @returns a string with at most 50 characters
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*/
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export function getShortPreview(input: string): string {
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if (!input || !input.length) {
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return '';
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}
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if (input.length > 50) {
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return stripHtmlTags(input.substring(0, 47)) + '...';
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}
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return stripHtmlTags(input);
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}
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