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Merge pull request #768 from stalniy/fix/file.writeFile

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refactor(file): add return value to be  file entry in writeFile
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Max Lynch 2016-11-20 08:13:53 -06:00 committed by GitHub
commit 40a7b138e2
1 changed files with 24 additions and 25 deletions
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49
src/plugins/file.ts
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@ -171,6 +171,7 @@ export interface Flags {
}
export interface WriteOptions {
create?: boolean;
replace?: boolean;
append?: boolean;
truncate?: number; // if present, number of bytes to truncate file to before writing
@ -667,19 +668,19 @@ export class File {
* @param {string} fileName path relative to base path
* @param {string | Blob} text content or blob to write
* @param {WriteOptions} options replace file if set to true. See WriteOptions for more information.
* @returns {Promise<void>} Returns a Promise that resolves or rejects with an error.
* @returns {Promise<FileEntry>} Returns a Promise that resolves to updated file entry or rejects with an error.
*/
static writeFile(path: string, fileName: string,
text: string | Blob, options: WriteOptions): Promise<void> {
text: string | Blob, options: WriteOptions = {}): Promise<void> {
if ((/^\//.test(fileName))) {
let err = new FileError(5);
const err = new FileError(5);
err.message = 'file-name cannot start with \/';
return Promise.reject(err);
}
let getFileOpts: Flags = {
create: true,
exclusive: options.replace
const getFileOpts: Flags = {
create: !('create' in options) || options.create,
exclusive: !!options.replace
};
return File.resolveDirectoryUrl(path)
@ -687,10 +688,21 @@ export class File {
return File.getFile(fse, fileName, getFileOpts);
})
.then((fe) => {
return File.createWriter(fe);
return File.writeFileEntry(fe, text, options);
})
.then((writer) => {
}
/** Write content to FileEntry.
*
* @private
* @param {FileEntry} fe file entry object
* @param {string | Blob} text content or blob to write
* @param {WriteOptions} options replace file if set to true. See WriteOptions for more information.
* @returns {Promise<FileEntry>} Returns a Promise that resolves to updated file entry or rejects with an error.
*/
private static writeFileEntry(fe: FileEntry, text: string | Blob, options : WriteOptions) {
return File.createWriter(fe)
.then((writer) => {
if (options.append) {
writer.seek(writer.length);
}
@ -700,9 +712,11 @@ export class File {
}
return File.write(writer, text);
});
})
.then(() => fe);
}
/** Write to an existing file.
*
* @param {string} path Base FileSystem. Please refer to the iOS and Android filesystems above
@ -711,22 +725,7 @@ export class File {
* @returns {Promise<void>} Returns a Promise that resolves or rejects with an error.
*/
static writeExistingFile(path: string, fileName: string, text: string | Blob): Promise<void> {
if ((/^\//.test(fileName))) {
let err = new FileError(5);
err.message = 'file-name cannot start with \/';
return Promise.reject(err);
}
return File.resolveDirectoryUrl(path)
.then((fse) => {
return File.getFile(fse, fileName, {create: false});
})
.then((fe) => {
return File.createWriter(fe);
})
.then((writer) => {
return File.write(writer, text);
});
return File.writeFile(path, fileName, text, { create: false })
}
/**