datasquirel/client/media/inputFileToBase64.js

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2023-05-24 06:46:12 +00:00
/**
* @typedef {{
* fileBase64: string,
* fileBase64Full: string,
* fileName: string,
* fileSize: number,
* fileType: string,
* }} FunctionReturn
*/
/**
* ==============================================================================
* Main Function
* ==============================================================================
* @async
*
* @param {{
* inputFile: {
* name: string,
* size: number,
* type: string,
* },
* }} params - Single object passed
*
* @description This function takes in a *SINGLE* input file from a HTML file input element.
* HTML file input elements usually return an array of input objects, so be sure to select the target
* file from the array.
*
* @returns { Promise<FunctionReturn> } - Return Object
*/
module.exports = async function inputFileToBase64({ inputFile }) {
/**
* == Initialize
*
* @description Initialize
*/
const allowedTypesRegex = /image\/*|\/pdf/;
if (!inputFile?.type?.match(allowedTypesRegex)) {
window.alert(`We currently don't support ${inputFile.type} file types. Support is coming soon. For now we support only images and PDFs.`);
return {
fileBase64: null,
fileBase64Full: null,
fileName: inputFile.name,
fileSize: null,
fileType: null,
};
}
try {
/**
* == Process File
*/
let fileName = inputFile.name.replace(/\..*/, "");
/** Add source to new file **/
const fileData = await new Promise((resolve, reject) => {
var reader = new FileReader();
reader.readAsDataURL(inputFile);
reader.onload = function () {
resolve(reader.result);
};
reader.onerror = function (error) {
console.log("Error: ", error.message);
};
});
return {
fileBase64: fileData.replace(/.*?base64,/, ""),
fileBase64Full: fileData,
fileName: fileName,
fileSize: inputFile.size,
fileType: inputFile.type,
};
} catch (error) {
console.log("Image Processing Error! =>", error.message);
return {
fileBase64: null,
fileBase64Full: null,
fileName: inputFile.name,
fileSize: null,
fileType: null,
};
}
};
/** ********************************************** */
/** ********************************************** */
/** ********************************************** */