CoastalCommitsPastes/client/components/new-post/drag-and-drop/index.tsx

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import { Button, Text, useTheme, useToasts } from '@geist-ui/core'
import { useCallback, useEffect } from 'react'
import { useDropzone } from 'react-dropzone'
import styles from './drag-and-drop.module.css'
import { Document } from '../'
import generateUUID from '../../../lib/generate-uuid'
import { XCircle } from '@geist-ui/icons'
const allowedFileTypes = [
'application/json',
'application/x-javascript',
'application/xhtml+xml',
'application/xml',
'text/xml',
'text/plain',
'text/html',
'text/csv',
'text/tab-separated-values',
'text/x-c',
'text/x-c++',
'text/x-csharp',
'text/x-java',
'text/x-javascript',
'text/x-php',
'text/x-python',
'text/x-ruby',
'text/x-scala',
'text/x-swift',
'text/x-typescript',
'text/x-vb',
'text/x-vbscript',
'text/x-yaml',
'text/x-c++',
'text/x-c#',
'text/mathml',
'text/x-markdown',
'text/markdown',
]
// Files with no extension can't be easily detected as plain-text,
// so instead of allowing all of them we'll just allow common ones
const allowedFileNames = [
'Makefile',
'README',
'Dockerfile',
'Jenkinsfile',
'LICENSE',
'.env',
'.gitignore',
'.gitattributes',
'.env.example',
'.env.development',
'.env.production',
'.env.test',
'.env.staging',
'.env.development.local',
'yarn.lock',
]
const allowedFileExtensions = [
'json',
'js',
'jsx',
'ts',
'tsx',
'c',
'cpp',
'c++',
'c#',
'java',
'php',
'py',
'rb',
'scala',
'swift',
'vb',
'vbscript',
'yaml',
'less',
'stylus',
'styl',
'sass',
'scss',
'lock',
'md',
'markdown',
'txt',
'html',
'htm',
'css',
'csv',
'log',
'sql',
'xml',
'webmanifest',
]
function FileDropzone({ setDocs, docs }: { setDocs: React.Dispatch<React.SetStateAction<Document[]>>, docs: Document[] }) {
const { palette } = useTheme()
const { setToast } = useToasts()
const onDrop = useCallback(async (acceptedFiles) => {
const newDocs = await Promise.all(acceptedFiles.map((file: File) => {
return new Promise((resolve, reject) => {
const reader = new FileReader()
reader.onabort = () => setToast({ text: 'File reading was aborted', type: 'error' })
reader.onerror = () => setToast({ text: 'File reading failed', type: 'error' })
reader.onload = () => {
const content = reader.result as string
resolve({
title: file.name,
content,
id: generateUUID()
})
}
reader.readAsText(file)
})
}))
if (docs.length === 1) {
if (docs[0].content === '') {
setDocs(newDocs)
return
}
}
setDocs((oldDocs) => [...oldDocs, ...newDocs])
}, [setDocs, setToast, docs])
const validator = (file: File) => {
// TODO: make this configurable
const maxFileSize = 1000000;
if (file.size > maxFileSize) {
return {
code: 'file-too-big',
message: 'File is too big. Maximum file size is ' + (maxFileSize).toFixed(2) + ' MB.',
}
}
// We initially try to use the browser provided mime type, and then fall back to file names and finally extensions
if (allowedFileTypes.includes(file.type) || allowedFileNames.includes(file.name) || allowedFileExtensions.includes(file.name?.split('.').pop() || '')) {
return null
} else {
return {
code: "not-plain-text",
message: `Only plain text files are allowed.`
};
}
}
const { getRootProps, getInputProps, isDragActive, fileRejections } = useDropzone({ onDrop, validator })
const fileRejectionItems = fileRejections.map(({ file, errors }) => (
<li key={file.name}>
{file.name}:
<ul>
{errors.map(e => (
<li key={e.code}><Text>{e.message}</Text></li>
))}
</ul>
</li>
));
return (
<div className={styles.container}>
<div {...getRootProps()} className={styles.dropzone} style={{
borderColor: palette.accents_3,
}}>
<input {...getInputProps()} />
{!isDragActive && <Text p>Drag some files here, or click to select files</Text>}
{isDragActive && <Text p>Release to drop the files here</Text>}
</div>
{fileRejections.length > 0 && <ul className={styles.error}>
{/* <Button style={{ float: 'right' }} type="abort" onClick={() => fileRejections.splice(0, fileRejections.length)} auto iconRight={<XCircle />}></Button> */}
<Text h5>There was a problem with some of your files.</Text>
{fileRejectionItems}
</ul>}
</div>
)
}
export default FileDropzone