Lan
41 lines
888 B
TypeScript
41 lines
888 B
TypeScript
export const getClipboardFile = (items: DataTransferItemList): File | null => {
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for (let index = 0; index < items.length; index++) {
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const item = items[index]
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if (item.kind !== 'file') {
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continue
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}
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const file = item.getAsFile()
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if (file) {
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return file
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}
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}
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return null
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}
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export type TextInsertionInput = {
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text: string
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insertText: string
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selectionStart: number
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selectionEnd: number
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}
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export type TextInsertionResult = {
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value: string
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cursor: number
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}
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export const insertTextAtSelection = ({
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text,
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insertText,
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selectionStart,
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selectionEnd
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}: TextInsertionInput): TextInsertionResult => {
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const beforeSelection = text.substring(0, selectionStart)
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const afterSelection = text.substring(selectionEnd)
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return {
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value: beforeSelection + insertText + afterSelection,
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cursor: selectionStart + insertText.length
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}
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}
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