60 lines
1.7 KiB
TypeScript
60 lines
1.7 KiB
TypeScript
export type FileInputToBase64FunctionReturn = {
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fileBase64?: string;
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fileBase64Full?: string;
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fileName?: string;
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fileSize?: number;
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fileType?: string;
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file?: File;
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};
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export type FileInputToBase64FunctioParam = {
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inputFile: File;
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allowedRegex?: RegExp;
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};
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export default async function fileInputToBase64({
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inputFile,
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allowedRegex,
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}: FileInputToBase64FunctioParam): Promise<FileInputToBase64FunctionReturn> {
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const allowedTypesRegex = allowedRegex ? allowedRegex : undefined;
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if (allowedTypesRegex && !inputFile?.type?.match(allowedTypesRegex)) {
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window.alert(`We currently don't support ${inputFile.type} file type.`);
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return { fileName: inputFile.name };
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}
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let fileName = inputFile.name?.replace(/\..*/, "");
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const file = inputFile;
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try {
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const fileData: string | undefined = await new Promise(
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(resolve, reject) => {
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var reader = new FileReader();
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reader.readAsDataURL(inputFile);
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reader.onload = function () {
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resolve(reader.result?.toString());
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};
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reader.onerror = function (/** @type {*} */ error: any) {
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console.log("Error: ", error.message);
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};
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}
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);
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return {
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fileBase64: fileData?.replace(/.*?base64,/, ""),
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fileBase64Full: fileData,
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fileName: fileName,
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fileSize: inputFile.size,
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fileType: inputFile.type,
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file,
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};
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} catch (error: any) {
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console.log("File Processing Error! =>", error.message);
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return {
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fileName: inputFile.name,
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file,
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};
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}
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}
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