Import - Improve phone validation (#12901)

Context : 
- Phones import is a bit complex if not all subfields are provided.
- Phones subfield validation are absent or different from BE validation.

Solution : 
- Normalize callingCode and countryCode validation (BE/FE)
- Ease phone import if only phoneNumber is provided

packages/twenty-shared/package.json

@@ -22,6 +22,7 @@
   },
   "dependencies": {
     "@sniptt/guards": "^0.2.0",
+    "libphonenumber-js": "^1.10.26",
     "zod": "3.23.8"
   },
   "preconstruct": {

packages/twenty-shared/src/utils/index.ts

@@ -33,3 +33,5 @@ export { isValidLocale } from './validation/isValidLocale';
 export { isValidUuid } from './validation/isValidUuid';
 export { isValidVariable } from './validation/isValidVariable';
 export { normalizeLocale } from './validation/normalizeLocale';
+export { getCountryCodesForCallingCode } from './validation/phones-value/getCountryCodesForCallingCode';
+export { isValidCountryCode } from './validation/phones-value/isValidCountryCode';

packages/twenty-shared/src/utils/validation/phones-value/getCountryCodesForCallingCode.ts

@@ -0,0 +1,15 @@
+import { getCountries, getCountryCallingCode } from 'libphonenumber-js';
+
+const ALL_COUNTRIES_CODE = getCountries();
+
+export const getCountryCodesForCallingCode = (callingCode: string) => {
+  const cleanCallingCode = callingCode.startsWith('+')
+    ? callingCode.slice(1)
+    : callingCode;
+
+  return ALL_COUNTRIES_CODE.filter((country) => {
+    const countryCallingCode = getCountryCallingCode(country);
+
+    return countryCallingCode === cleanCallingCode;
+  });
+};

packages/twenty-shared/src/utils/validation/phones-value/index.ts

@@ -0,0 +1 @@
+export * from './isValidCountryCode';

packages/twenty-shared/src/utils/validation/phones-value/isValidCountryCode.ts

@@ -0,0 +1,7 @@
+import { CountryCode, getCountries } from 'libphonenumber-js';
+
+const ALL_COUNTRIES_CODE = getCountries();
+
+export const isValidCountryCode = (input: string): input is CountryCode => {
+  return ALL_COUNTRIES_CODE.includes(input as unknown as CountryCode);
+};