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- import {NativeModules, Platform} from 'react-native'
- import RNFetchBlobSession from './class/RNFetchBlobSession'
- import RNFetchBlobWriteStream from './class/RNFetchBlobWriteStream'
- import RNFetchBlobReadStream from './class/RNFetchBlobReadStream'
- import RNFetchBlobFile from './class/RNFetchBlobFile'
-
- const RNFetchBlob: RNFetchBlobNative = NativeModules.RNFetchBlob
-
- const dirs = {
- DocumentDir : RNFetchBlob.DocumentDir,
- CacheDir : RNFetchBlob.CacheDir,
- PictureDir : RNFetchBlob.PictureDir,
- MusicDir : RNFetchBlob.MusicDir,
- MovieDir : RNFetchBlob.MovieDir,
- DownloadDir : RNFetchBlob.DownloadDir,
- DCIMDir : RNFetchBlob.DCIMDir,
- SDCardDir: RNFetchBlob.SDCardDir,
- SDCardApplicationDir: RNFetchBlob.SDCardApplicationDir,
- MainBundleDir : RNFetchBlob.MainBundleDir,
- LibraryDir : RNFetchBlob.LibraryDir
- }
-
- function addCode(code: string, error: Error): Error {
- error.code = code
- return error
- }
-
-
- function session(name: string): RNFetchBlobSession {
- let s = RNFetchBlobSession.getSession(name)
- if (s)
- return new RNFetchBlobSession(name)
- else {
- RNFetchBlobSession.setSession(name, [])
- return new RNFetchBlobSession(name, [])
- }
- }
-
- function asset(path: string): string {
- if (Platform.OS === 'ios') {
-
- if (/^assets-library\:\/\//.test(path))
- return path
- }
- return 'bundle-assets://' + path
- }
-
- function createFile(path: string, data: string, encoding: 'base64' | 'ascii' | 'utf8' = 'utf8'): Promise<string> {
- if (encoding.toLowerCase() === 'ascii') {
- return Array.isArray(data) ?
- RNFetchBlob.createFileASCII(path, data) :
- Promise.reject(addCode('EINVAL', new TypeError('`data` of ASCII file must be an array with 0..255 numbers')))
- }
- else {
- return RNFetchBlob.createFile(path, data, encoding)
- }
- }
-
-
- function writeStream(
- path: string,
- encoding?: 'utf8' | 'ascii' | 'base64' = 'utf8',
- append?: boolean = false,
- ): Promise<RNFetchBlobWriteStream> {
- if (typeof path !== 'string') {
- return Promise.reject(addCode('EINVAL', new TypeError('Missing argument "path" ')))
- }
- return new Promise((resolve, reject) => {
- RNFetchBlob.writeStream(path, encoding, append, (errCode, errMsg, streamId: string) => {
- if (errMsg) {
- const err = new Error(errMsg)
- err.code = errCode
- reject(err)
- }
- else
- resolve(new RNFetchBlobWriteStream(streamId, encoding))
- })
- })
- }
-
-
- function readStream(
- path: string,
- encoding: 'utf8' | 'ascii' | 'base64' = 'utf8',
- bufferSize?: number,
- tick?: number = 10
- ): Promise<RNFetchBlobReadStream> {
- if (typeof path !== 'string') {
- return Promise.reject(addCode('EINVAL', new TypeError('Missing argument "path" ')))
- }
- return Promise.resolve(new RNFetchBlobReadStream(path, encoding, bufferSize, tick))
- }
-
-
- function mkdir(path: string): Promise {
- if (typeof path !== 'string') {
- return Promise.reject(addCode('EINVAL', new TypeError('Missing argument "path" ')))
- }
- return RNFetchBlob.mkdir(path)
- }
-
-
- function pathForAppGroup(groupName: string): Promise {
- return RNFetchBlob.pathForAppGroup(groupName)
- }
-
-
- function syncPathAppGroup(groupName: string): string {
- if (Platform.OS === 'ios') {
- return RNFetchBlob.syncPathAppGroup(groupName);
- } else {
- return '';
- }
- }
-
-
- function readFile(path: string, encoding: string = 'utf8'): Promise<any> {
- if (typeof path !== 'string') {
- return Promise.reject(addCode('EINVAL', new TypeError('Missing argument "path" ')))
- }
- return RNFetchBlob.readFile(path, encoding)
- }
-
-
- function writeFile(path: string, data: string | Array<number>, encoding: ?string = 'utf8'): Promise {
- if (typeof path !== 'string') {
- return Promise.reject(addCode('EINVAL', new TypeError('Missing argument "path" ')))
- }
- if (encoding.toLocaleLowerCase() === 'ascii') {
- if (!Array.isArray(data)) {
- return Promise.reject(addCode('EINVAL', new TypeError('"data" must be an Array when encoding is "ascii"')))
- }
- else
- return RNFetchBlob.writeFileArray(path, data, false)
- }
- else {
- if (typeof data !== 'string') {
- return Promise.reject(addCode('EINVAL', new TypeError(`"data" must be a String when encoding is "utf8" or "base64", but it is "${typeof data}"`)))
- }
- else
- return RNFetchBlob.writeFile(path, encoding, data, false)
- }
- }
-
- function appendFile(path: string, data: string | Array<number>, encoding?: string = 'utf8'): Promise<number> {
- if (typeof path !== 'string') {
- return Promise.reject(addCode('EINVAL', new TypeError('Missing argument "path" ')))
- }
- if (encoding.toLocaleLowerCase() === 'ascii') {
- if (!Array.isArray(data)) {
- return Promise.reject(addCode('EINVAL', new TypeError('`data` of ASCII file must be an array with 0..255 numbers')))
- }
- else
- return RNFetchBlob.writeFileArray(path, data, true)
- }
- else {
- if (typeof data !== 'string') {
- return Promise.reject(addCode('EINVAL'), new TypeError(`"data" must be a String when encoding is "utf8" or "base64", but it is "${typeof data}"`))
- }
- else
- return RNFetchBlob.writeFile(path, encoding, data, true)
- }
- }
-
-
- function stat(path: string): Promise<RNFetchBlobFile> {
- return new Promise((resolve, reject) => {
- if (typeof path !== 'string') {
- return reject(addCode('EINVAL', new TypeError('Missing argument "path" ')))
- }
- RNFetchBlob.stat(path, (err, stat) => {
- if (err)
- reject(new Error(err))
- else {
- if (stat) {
- stat.size = parseInt(stat.size)
- stat.lastModified = parseInt(stat.lastModified)
- }
- resolve(stat)
- }
- })
- })
- }
-
-
- function scanFile(pairs: any): Promise {
- return new Promise((resolve, reject) => {
- if (pairs === undefined) {
- return reject(addCode('EINVAL', new TypeError('Missing argument')))
- }
- RNFetchBlob.scanFile(pairs, (err) => {
- if (err)
- reject(addCode('EUNSPECIFIED', new Error(err)))
- else
- resolve()
- })
- })
- }
-
- function hash(path: string, algorithm: string): Promise<string> {
- if (typeof path !== 'string' || typeof algorithm !== 'string') {
- return Promise.reject(addCode('EINVAL', new TypeError('Missing argument "path" and/or "algorithm"')))
- }
- return RNFetchBlob.hash(path, algorithm)
- }
-
- function cp(path: string, dest: string): Promise<boolean> {
- return new Promise((resolve, reject) => {
- if (typeof path !== 'string' || typeof dest !== 'string') {
- return reject(addCode('EINVAL', new TypeError('Missing argument "path" and/or "destination"')))
- }
- RNFetchBlob.cp(path, dest, (err, res) => {
- if (err)
- reject(addCode('EUNSPECIFIED', new Error(err)))
- else
- resolve(res)
- })
- })
- }
-
- function mv(path: string, dest: string): Promise<boolean> {
- return new Promise((resolve, reject) => {
- if (typeof path !== 'string' || typeof dest !== 'string') {
- return reject(addCode('EINVAL', new TypeError('Missing argument "path" and/or "destination"')))
- }
- RNFetchBlob.mv(path, dest, (err, res) => {
- if (err)
- reject(addCode('EUNSPECIFIED', new Error(err)))
- else
- resolve(res)
- })
- })
- }
-
- function lstat(path: string): Promise<Array<RNFetchBlobFile>> {
- return new Promise((resolve, reject) => {
- if (typeof path !== 'string') {
- return reject(addCode('EINVAL', new TypeError('Missing argument "path" ')))
- }
- RNFetchBlob.lstat(path, (err, stat) => {
- if (err)
- reject(addCode('EUNSPECIFIED', new Error(err)))
- else
- resolve(stat)
- })
- })
- }
-
- function ls(path: string): Promise<Array<String>> {
- if (typeof path !== 'string') {
- return Promise.reject(addCode('EINVAL', new TypeError('Missing argument "path" ')))
- }
- return RNFetchBlob.ls(path)
- }
-
-
- function unlink(path: string): Promise {
- return new Promise((resolve, reject) => {
- if (typeof path !== 'string') {
- return reject(addCode('EINVAL', new TypeError('Missing argument "path" ')))
- }
- RNFetchBlob.unlink(path, (err) => {
- if (err) {
- reject(addCode('EUNSPECIFIED', new Error(err)))
- }
- else
- resolve()
- })
- })
- }
-
-
- function exists(path: string): Promise<boolean> {
- return new Promise((resolve, reject) => {
- if (typeof path !== 'string') {
- return reject(addCode('EINVAL', new TypeError('Missing argument "path" ')))
- }
- try {
- RNFetchBlob.exists(path, (exist) => {
- resolve(exist)
- })
- }catch (err){
- reject(addCode('EUNSPECIFIED', new Error(err)))
- }
- })
-
- }
-
- function slice(src: string, dest: string, start: number, end: number): Promise {
- if (typeof src !== 'string' || typeof dest !== 'string') {
- return reject(addCode('EINVAL', new TypeError('Missing argument "src" and/or "destination"')))
- }
-
- let p = Promise.resolve()
- let size = 0
-
- function normalize(num, size) {
- if (num < 0)
- return Math.max(0, size + num)
- if (!num && num !== 0)
- return size
- return num
- }
-
- if (start < 0 || end < 0 || !start || !end) {
- p = p.then(() => stat(src))
- .then((stat) => {
- size = Math.floor(stat.size)
- start = normalize(start || 0, size)
- end = normalize(end, size)
- })
- }
- return p.then(() => RNFetchBlob.slice(src, dest, start, end))
- }
-
- function isDir(path: string): Promise<bool> {
- return new Promise((resolve, reject) => {
- if (typeof path !== 'string') {
- return reject(addCode('EINVAL', new TypeError('Missing argument "path" ')))
- }
- try {
- RNFetchBlob.exists(path, (exist, isDir) => {
- resolve(isDir)
- })
- }catch (err){
- reject(addCode('EUNSPECIFIED', new Error(err)))
- }
- })
-
- }
-
- function df(): Promise<{ free: number, total: number }> {
- return new Promise((resolve, reject) => {
- RNFetchBlob.df((err, stat) => {
- if (err)
- reject(addCode('EUNSPECIFIED', new Error(err)))
- else
- resolve(stat)
- })
- })
- }
-
- export default {
- RNFetchBlobSession,
- unlink,
- mkdir,
- session,
- ls,
- readStream,
- mv,
- cp,
- writeStream,
- writeFile,
- appendFile,
- pathForAppGroup,
- syncPathAppGroup,
- readFile,
- hash,
- exists,
- createFile,
- isDir,
- stat,
- lstat,
- scanFile,
- dirs,
- slice,
- asset,
- df
- }
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