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Diffstat (limited to 'node_modules/fbjs/lib/DataTransfer.js.flow')
-rw-r--r-- | node_modules/fbjs/lib/DataTransfer.js.flow | 194 |
1 files changed, 0 insertions, 194 deletions
diff --git a/node_modules/fbjs/lib/DataTransfer.js.flow b/node_modules/fbjs/lib/DataTransfer.js.flow deleted file mode 100644 index 3588a1934..000000000 --- a/node_modules/fbjs/lib/DataTransfer.js.flow +++ /dev/null @@ -1,194 +0,0 @@ -/** - * Copyright (c) 2013-present, Facebook, Inc. - * - * This source code is licensed under the MIT license found in the - * LICENSE file in the root directory of this source tree. - * - * @providesModule DataTransfer - * @typechecks - */ - -var PhotosMimeType = require('./PhotosMimeType'); - -var createArrayFromMixed = require('./createArrayFromMixed'); -var emptyFunction = require('./emptyFunction'); - -var CR_LF_REGEX = new RegExp('\u000D\u000A', 'g'); -var LF_ONLY = '\u000A'; - -var RICH_TEXT_TYPES = { - 'text/rtf': 1, - 'text/html': 1 -}; - -/** - * If DataTransferItem is a file then return the Blob of data. - * - * @param {object} item - * @return {?blob} - */ -function getFileFromDataTransfer(item) { - if (item.kind == 'file') { - return item.getAsFile(); - } -} - -class DataTransfer { - /** - * @param {object} data - */ - constructor(data) { - this.data = data; - - // Types could be DOMStringList or array - this.types = data.types ? createArrayFromMixed(data.types) : []; - } - - /** - * Is this likely to be a rich text data transfer? - * - * @return {boolean} - */ - isRichText() { - // If HTML is available, treat this data as rich text. This way, we avoid - // using a pasted image if it is packaged with HTML -- this may occur with - // pastes from MS Word, for example. However this is only rich text if - // there's accompanying text. - if (this.getHTML() && this.getText()) { - return true; - } - - // When an image is copied from a preview window, you end up with two - // DataTransferItems one of which is a file's metadata as text. Skip those. - if (this.isImage()) { - return false; - } - - return this.types.some(type => RICH_TEXT_TYPES[type]); - } - - /** - * Get raw text. - * - * @return {?string} - */ - getText() { - var text; - if (this.data.getData) { - if (!this.types.length) { - text = this.data.getData('Text'); - } else if (this.types.indexOf('text/plain') != -1) { - text = this.data.getData('text/plain'); - } - } - return text ? text.replace(CR_LF_REGEX, LF_ONLY) : null; - } - - /** - * Get HTML paste data - * - * @return {?string} - */ - getHTML() { - if (this.data.getData) { - if (!this.types.length) { - return this.data.getData('Text'); - } else if (this.types.indexOf('text/html') != -1) { - return this.data.getData('text/html'); - } - } - } - - /** - * Is this a link data transfer? - * - * @return {boolean} - */ - isLink() { - return this.types.some(type => { - return type.indexOf('Url') != -1 || type.indexOf('text/uri-list') != -1 || type.indexOf('text/x-moz-url'); - }); - } - - /** - * Get a link url. - * - * @return {?string} - */ - getLink() { - if (this.data.getData) { - if (this.types.indexOf('text/x-moz-url') != -1) { - let url = this.data.getData('text/x-moz-url').split('\n'); - return url[0]; - } - return this.types.indexOf('text/uri-list') != -1 ? this.data.getData('text/uri-list') : this.data.getData('url'); - } - - return null; - } - - /** - * Is this an image data transfer? - * - * @return {boolean} - */ - isImage() { - var isImage = this.types.some(type => { - // Firefox will have a type of application/x-moz-file for images during - // dragging - return type.indexOf('application/x-moz-file') != -1; - }); - - if (isImage) { - return true; - } - - var items = this.getFiles(); - for (var i = 0; i < items.length; i++) { - var type = items[i].type; - if (!PhotosMimeType.isImage(type)) { - return false; - } - } - - return true; - } - - getCount() { - if (this.data.hasOwnProperty('items')) { - return this.data.items.length; - } else if (this.data.hasOwnProperty('mozItemCount')) { - return this.data.mozItemCount; - } else if (this.data.files) { - return this.data.files.length; - } - return null; - } - - /** - * Get files. - * - * @return {array} - */ - getFiles() { - if (this.data.items) { - // createArrayFromMixed doesn't properly handle DataTransferItemLists. - return Array.prototype.slice.call(this.data.items).map(getFileFromDataTransfer).filter(emptyFunction.thatReturnsArgument); - } else if (this.data.files) { - return Array.prototype.slice.call(this.data.files); - } else { - return []; - } - } - - /** - * Are there any files to fetch? - * - * @return {boolean} - */ - hasFiles() { - return this.getFiles().length > 0; - } -} - -module.exports = DataTransfer;
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