28 lines
989 B
TypeScript
28 lines
989 B
TypeScript
export const splitRangeWithinString = (string: string, start: number, end: number) => {
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const isStartOutOfBounds = start > string.length || start < 0
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const isEndOutOfBounds = end > string.length || end < 0
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const isInvalidRange = start > end
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if (isStartOutOfBounds || isEndOutOfBounds || isInvalidRange) {
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return [string]
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} else {
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return [string.slice(0, start), string.slice(start, end), string.slice(end)].filter((slice) => slice.length > 0)
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}
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}
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export const getIndexOfQueryInString = (string: string, query: string) => {
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const lowercasedTitle = string.toLowerCase()
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const lowercasedQuery = query.toLowerCase()
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return lowercasedTitle.indexOf(lowercasedQuery)
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}
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export const splitQueryInString = (string: string, query: string) => {
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const indexOfQueryInTitle = getIndexOfQueryInString(string, query)
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if (indexOfQueryInTitle < 0) {
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return [string]
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}
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return splitRangeWithinString(string, indexOfQueryInTitle, indexOfQueryInTitle + query.length)
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}
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