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export const isNonEmpty = (value) => {
return value && value.trim();
};
export const isValuePlainText = (value) => {
const doc = new DOMParser().parseFromString(value, 'text/html');
return doc?.body?.textContent === value;
};
export const hasWhitelistCharactersOnly = (value) => {
return !!value.match(/^[@.'_\-\sa-zA-Z0-9]+$/);
};
export const isUrlValid = (string) => {
return isRelativeUrlValid(string) || isAbsoluteUrlValid(string);
};
export const isAlphabetic = (string) => {
return !!string.match(/^[a-zA-Z]*$/);
};
export const isEmailValid = (string) => {
return !!string
.toLowerCase()
.match(
/^(([^<>()[\]\\.,;:\s@"]+(\.[^<>()[\]\\.,;:\s@"]+)*)|(".+"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/
);
};
export const isRelativeUrlValid = (string) => {
return (
string.startsWith('/') &&
isAbsoluteUrlValid('https://dummydomain.com' + string)
);
};
export const isRegexStringValid = (string) => {
try {
new RegExp(string);
} catch (error) {
return false;
}
return true;
};
export const isAbsoluteUrlValid = (string) => {
let url;
try {
url = new URL(string);
} catch (_) {
return false;
}
return url.protocol === 'http:' || url.protocol === 'https:';
};
export class Validator {
constructor(func, errorMessage) {
this.func = func;
this.errorMessage = errorMessage;
}
isValid(value) {
return this.func(value);
}
getError() {
return this.errorMessage;
}
}
export class hasNotWhitespace {}