{"record":{"id":"129603ff7fc9e422","repo":"nosir/cleave.js","slug":"invalid-region-code-129603","errorCode":null,"errorMessage":"Invalid region code: ","messagePattern":"Invalid region code: ","errorType":"exception","errorClass":"Error","httpStatus":null,"severity":"error","filePath":"src/addons/phone-type-formatter.lb.js","lineNumber":64,"sourceCode":" Copyright (C) 2010 The Libphonenumber Authors.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n*/\nfunction M(){this.a={}}M.b=function(){return 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null!=b&&null!=b[0]&&0<b[0].length?(a.o=!0,b=b[0].length,p(a.a),a.a.a(c.substring(b)),p(a.b),a.b.a(c.substring(0,b)),\"+\"!=c.charAt(0)&&a.b.a(\" \"),!0):!1}\nfunction X(a){if(0==a.a.b.length)return!1;var c=new n,b;a:{b=a.a.toString();if(0!=b.length&&\"0\"!=b.charAt(0))for(var d,f=b.length,e=1;3>=e&&e<=f;++e)if(d=parseInt(b.substring(0,e),10),d in K){c.a(b.substring(e));b=d;break a}b=0}if(0==b)return!1;p(a.a);a.a.a(c.toString());c=P(b);\"001\"==c?a.g=O(a.G,\"\"+b):c!=a.D&&(a.g=R(a,c));a.b.a(\"\"+b).a(\" \");a.h=\"\";return!0}\nfunction za(a,c){var b=a.m.toString();if(0<=b.substring(a.s).search(a.H)){var d=b.search(a.H),b=b.replace(a.H,c);p(a.m);a.m.a(b);a.s=d;return b.substring(0,a.s+1)}1==a.f.length&&(a.l=!1);a.w=\"\";return a.i.toString()};h(\"Cleave.AsYouTypeFormatter\",Q);h(\"Cleave.AsYouTypeFormatter.prototype.inputDigit\",Q.prototype.L);h(\"Cleave.AsYouTypeFormatter.prototype.clear\",Q.prototype.K);}.call((typeof global===\"object\"&&global)?global:window);\n","sourceCodeStart":46,"sourceCodeEnd":75,"githubUrl":"https://github.com/nosir/cleave.js/blob/a966c95cf5193f223485a10eec8405bb32b8f6dd/src/addons/phone-type-formatter.lb.js#L46-L75","documentation":"Identical guard in the Lebanon (lb) phone-type-formatter addon: the bundled libphonenumber function R throws 'Invalid region code: <code>' when the region code is null/empty or missing from the metadata map L. The Q formatter constructor calls R immediately, so the error fires at instantiation time when an unusable region is passed.","triggerScenarios":"new formatter(undefined) or new formatter('') on the lb bundle; also triggered by Q.prototype.K (reset) when a.D (stored region) later evaluates to an empty/unknown value.","commonSituations":"Region taken from an uninitialized Angular scope binding; backend returns empty country field; migration between addon versions where the region constant moved; calling the lb addon for a non-LB region whose metadata is not in this bundle.","solutions":["Always pass 'LB' (or another region actually bundled in this file) — never '' or undefined.","Add an early validation in the calling code: if (!region) skip formatting.","Trace where the region value comes from and fix the empty source (config, API field, scope binding).","Wrap construction in try/catch with a fallback formatter/default region."],"exampleFix":"// before\nconst f = new phoneFormatter(user.country); // user.country === ''\n// after\nconst f = user.country\n  ? new phoneFormatter(String(user.country).trim().toUpperCase())\n  : null; // guard f usage instead of throwing","handlingStrategy":"try-catch","validationCode":"if (region == null || String(region).trim() === '') {\n  region = 'LB';\n}","typeGuard":"function isNonEmptyRegion(v) {\n  return typeof v === 'string' && v.trim() !== '';\n}","tryCatchPattern":"function getFormatter(region) {\n  try {\n    return new phoneFormatter(region);\n  } catch (e) {\n    if (String(e.message).indexOf('Invalid region code') === 0) {\n      console.warn('Bad region %o, falling back to LB', region);\n      return new phoneFormatter('LB');\n    }\n    throw e;\n  }\n}","preventionTips":["Coalesce empty country fields from the backend to a default before formatting.","After upgrades/regenerations of the addon, confirm the region constant is still populated.","Use a single factory function for formatter creation so the guard exists in one place.","Never call formatter reset with a region value that may be undefined."],"tags":["libphonenumber","phone-formatting","region-code","invalid-argument"],"backgroundTag":"invalid-region-code","analyzedSha":"a966c95cf5193f223485a10eec8405bb32b8f6dd","analyzedAt":"2026-09-02T23:44:35.488Z","contentChangedAt":null,"schemaVersion":2},"datasetVersion":"2026-09-10T02:17:09.455Z"}