ancora su Typescript...

suddiviso i ts dai html e scss

src/validation/complexity.ts

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+import { Patterns } from '@/common'
+
+export function complexity(password: string) {
+    return Patterns.Password.test(password)
+}

src/validation/duplicate.ts

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+type t = string | number;
+type fn = () => t[];
+
+export function duplicate(matches: t[] | fn, ignoreCase: boolean = false) {
+  if (Array.isArray(matches)) return factory(matches, ignoreCase);
+
+  return value => {
+    let cb = factory(matches(), ignoreCase);
+    return cb(value);
+  };
+}
+
+function factory(values: t[], ignoreCase: boolean) {
+  return value => {
+    if (value === undefined || value === null || values.length === 0)
+      return true;
+    else{
+      let flags = ignoreCase ? "i" : "";
+      let exp = new RegExp(`^(${value})$`, flags);
+      return values.find(o => exp.test(o.toString())) === undefined;
+    }
+  };
+}

src/validation/index.ts

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+export { duplicate } from './duplicate'
+export { registered } from './registered'
+export { complexity } from './complexity'

src/validation/registered.ts

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+import { default as Axios, AxiosResponse } from 'axios';
+import { IPayload } from '../model';
+import { GlobalConfig, PayloadMessageTypes } from '../common';
+
+const AUTH_URL = GlobalConfig.uri.auth;
+const VALIDATE_USER_URL = AUTH_URL + 'validateuser';
+
+export function registered(userName: string) {
+
+    let config = {
+        params: { userName: userName }
+    };
+
+    let onSuccess = (res: AxiosResponse) => {
+        let payload: IPayload<boolean> = res.data;
+        return payload.message.messageTypeId !== PayloadMessageTypes.failure;
+    }
+
+    return Axios.get(VALIDATE_USER_URL, config)
+        .then(onSuccess);
+
+};