Validation

Package, implementation and tests

index.ts

@@ -0,0 +1,52 @@
+import * as EmailValidator from 'email-validator'
+import logger from 'log'
+import zxcvbn from 'zxcvbn'
+import {parseDocument} from 'htmlparser2'
+
+let _verbose: boolean = false
+export function verbose(v: boolean) {
+    _verbose = v
+}
+
+const log = logger('validation')
+
+export enum PasswordStrength {
+    Weak = 0,
+    Easy = 1,
+    Medium = 2,
+    Strong = 3,
+    Hard = 4,
+}
+
+export function password_is_strong(password: string, strength: PasswordStrength = PasswordStrength.Medium, email?: string) : boolean {
+    log.trace("Verify password's strength")
+
+    if (zxcvbn(password, email !== undefined ? [email] : []).score < strength) {
+        if (_verbose) log.warn("Password is too weak")
+        return false
+    }
+
+    return true
+}
+
+export function contains_html(text: string) : boolean {
+    log.trace("Verify if text contains HTML")
+
+    if (parseDocument(text).children.some(node => node.nodeType === 1)) {
+        if (_verbose) log.warn("")
+        return true
+    }
+
+    return false
+}
+
+export function email_is_valid(email: string) : boolean {
+    log.trace("Verify email's validity")
+
+    if (!EmailValidator.validate(email)) {
+        if (_verbose) log.warn("Invalid email")
+        return false
+    }
+
+    return true
+}