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30 lines
1.2 KiB
30 lines
1.2 KiB
import webkitGetAsEntryApi from './utils/webkitGetAsEntryApi/index.js'
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import fallbackApi from './utils/fallbackApi.js'
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/**
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* Returns a promise that resolves to the array of dropped files (if a folder is
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* dropped, and browser supports folder parsing - promise resolves to the flat
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* array of all files in all directories).
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* Each file has .relativePath prop appended to it (e.g. "/docs/Prague/ticket_from_prague_to_ufa.pdf")
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* if browser supports it. Otherwise it's undefined.
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*
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* @param {DataTransfer} dataTransfer
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* @param {Function} logDropError - a function that's called every time some
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* folder or some file error out (e.g. because of the folder name being too long
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* on Windows). Notice that resulting promise will always be resolved anyway.
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*
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* @returns {Promise} - Array<File>
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*/
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export default async function getDroppedFiles (dataTransfer, { logDropError = () => {} } = {}) {
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// Get all files from all subdirs. Works (at least) in Chrome, Mozilla, and Safari
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try {
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const accumulator = []
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for await (const file of webkitGetAsEntryApi(dataTransfer, logDropError)) {
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accumulator.push(file)
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}
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return accumulator
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// Otherwise just return all first-order files
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} catch {
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return fallbackApi(dataTransfer)
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}
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}
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