mirror of https://github.com/nocodb/nocodb
49 lines
1.3 KiB
49 lines
1.3 KiB
const imageExt = ['jpeg', 'gif', 'png', 'png', 'svg', 'bmp', 'ico', 'jpg', 'webp'] |
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const isImage = (name: string, mimetype?: string) => { |
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return imageExt.some((e) => name?.toLowerCase().endsWith(`.${e}`)) || mimetype?.startsWith('image/') |
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} |
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export { isImage, imageExt } |
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// Ref : https://stackoverflow.com/a/12002275 |
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// Tested in Mozilla Firefox browser, Chrome |
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export function readFile(FileElement: HTMLInputElement, CallBackFunction: (content?: any) => void) { |
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try { |
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if (!FileElement.files || !FileElement.files.length) { |
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return CallBackFunction() |
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} |
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const file = FileElement.files[0] |
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if (file) { |
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const reader = new FileReader() |
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reader.readAsText(file, 'UTF-8') |
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reader.onload = function (evt) { |
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CallBackFunction(evt.target?.result) |
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} |
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reader.onerror = function () { |
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CallBackFunction() |
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} |
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} |
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} catch (Exception) { |
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const fallBack = ieReadFile(FileElement.value) |
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// eslint-disable-next-line eqeqeq |
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if (fallBack != false) { |
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CallBackFunction(fallBack) |
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} |
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} |
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} |
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/// Reading files with Internet Explorer |
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function ieReadFile(filename: string) { |
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try { |
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const fso = new ActiveXObject('Scripting.FileSystemObject') |
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const fh = fso.OpenTextFile(filename, 1) |
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const contents = fh.ReadAll() |
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fh.Close() |
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return contents |
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} catch (Exception) { |
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return false |
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} |
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}
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