helper.ts
778 Bytes
export function checkFileType(file: File, accepts: string[]) {
const newTypes = accepts.join('|');
// const reg = /\.(jpg|jpeg|png|gif|txt|doc|docx|xls|xlsx|xml)$/i;
const reg = new RegExp('\\.(' + newTypes + ')$', 'i');
return reg.test(file.name);
}
export function checkImgType(file: File) {
return isImgTypeByName(file.name);
}
export function isImgTypeByName(name: string) {
return /\.(jpg|jpeg|png|gif)$/i.test(name);
}
export function getBase64WithFile(file: File) {
return new Promise<{
result: string;
file: File;
}>((resolve, reject) => {
const reader = new FileReader();
reader.readAsDataURL(file);
reader.onload = () => resolve({ result: reader.result as string, file });
reader.onerror = (error) => reject(error);
});
}