{"record":{"id":"fa821573d168ad5d","repo":"nosir/cleave.js","slug":"invalid-region-code-fa8215","errorCode":null,"errorMessage":"Invalid region code: ","messagePattern":"Invalid region code: ","errorType":"exception","errorClass":"Error","httpStatus":null,"severity":"error","filePath":"src/addons/phone-type-formatter.lv.js","lineNumber":63,"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 M.a?M.a:M.a=new M};\nvar oa={0:\"0\",1:\"1\",2:\"2\",3:\"3\",4:\"4\",5:\"5\",6:\"6\",7:\"7\",8:\"8\",9:\"9\",\"\\uff10\":\"0\",\"\\uff11\":\"1\",\"\\uff12\":\"2\",\"\\uff13\":\"3\",\"\\uff14\":\"4\",\"\\uff15\":\"5\",\"\\uff16\":\"6\",\"\\uff17\":\"7\",\"\\uff18\":\"8\",\"\\uff19\":\"9\",\"\\u0660\":\"0\",\"\\u0661\":\"1\",\"\\u0662\":\"2\",\"\\u0663\":\"3\",\"\\u0664\":\"4\",\"\\u0665\":\"5\",\"\\u0666\":\"6\",\"\\u0667\":\"7\",\"\\u0668\":\"8\",\"\\u0669\":\"9\",\"\\u06f0\":\"0\",\"\\u06f1\":\"1\",\"\\u06f2\":\"2\",\"\\u06f3\":\"3\",\"\\u06f4\":\"4\",\"\\u06f5\":\"5\",\"\\u06f6\":\"6\",\"\\u06f7\":\"7\",\"\\u06f8\":\"8\",\"\\u06f9\":\"9\"},pa=RegExp(\"[+\\uff0b]+\"),qa=RegExp(\"([0-9\\uff10-\\uff19\\u0660-\\u0669\\u06f0-\\u06f9])\"),\nra=/^\\(?\\$1\\)?$/;function N(a){return 0==a.length||ra.test(a)}function O(a,c){if(null==c)return null;c=c.toUpperCase();var b=a.a[c];if(null==b){b=L[c];if(null==b)return null;b=(new J).a(E.j(),b);a.a[c]=b}return b}function P(a){a=K[a];return null==a?\"ZZ\":a[0]};function Q(a){this.H=RegExp(\"\\u2008\");this.C=\"\";this.m=new n;this.w=\"\";this.i=new n;this.u=new n;this.l=!0;this.A=this.o=this.F=!1;this.G=M.b();this.s=0;this.b=new n;this.B=!1;this.h=\"\";this.a=new n;this.f=[];this.D=a;this.J=this.g=R(this,this.D)}var S=new E;r(S,11,\"NA\");\nvar sa=/\\[([^\\[\\]])*\\]/g,ua=/\\d(?=[^,}][^,}])/g,va=RegExp(\"^[-x\\u2010-\\u2015\\u2212\\u30fc\\uff0d-\\uff0f \\u00a0\\u00ad\\u200b\\u2060\\u3000()\\uff08\\uff09\\uff3b\\uff3d.\\\\[\\\\]/~\\u2053\\u223c\\uff5e]*(\\\\$\\\\d[-x\\u2010-\\u2015\\u2212\\u30fc\\uff0d-\\uff0f \\u00a0\\u00ad\\u200b\\u2060\\u3000()\\uff08\\uff09\\uff3b\\uff3d.\\\\[\\\\]/~\\u2053\\u223c\\uff5e]*)+$\"),T=/[- ]/;\nfunction R(a,c){var b;if(null!=c&&isNaN(c)&&c.toUpperCase()in L){b=O(a.G,c);if(null==b)throw Error(\"Invalid region code: \"+c);b=x(b,10)}else b=0;b=O(a.G,P(b));return null!=b?b:S}\nfunction U(a){for(var c=a.f.length,b=0;b<c;++b){var d=a.f[b],f=x(d,1);if(a.w==f)return!1;var e;e=a;var g=d,k=x(g,1);if(-1!=k.indexOf(\"|\"))e=!1;else{k=k.replace(sa,\"\\\\d\");k=k.replace(ua,\"\\\\d\");p(e.m);var m;m=e;var g=x(g,2),t=\"999999999999999\".match(k)[0];t.length<m.a.b.length?m=\"\":(m=t.replace(new RegExp(k,\"g\"),g),m=m.replace(RegExp(\"9\",\"g\"),\"\\u2008\"));0<m.length?(e.m.a(m),e=!0):e=!1}if(e)return a.w=f,a.B=T.test(w(d,4)),a.s=0,!0}return a.l=!1}\nfunction V(a,c){for(var b=[],d=c.length-3,f=a.f.length,e=0;e<f;++e){var g=a.f[e];0==y(g,3)?b.push(a.f[e]):(g=w(g,3,Math.min(d,y(g,3)-1)),0==c.search(g)&&b.push(a.f[e]))}a.f=b}Q.prototype.K=function(){this.C=\"\";p(this.i);p(this.u);p(this.m);this.s=0;this.w=\"\";p(this.b);this.h=\"\";p(this.a);this.l=!0;this.A=this.o=this.F=!1;this.f=[];this.B=!1;this.g!=this.J&&(this.g=R(this,this.D))};Q.prototype.L=function(a){return this.C=wa(this,a)};\nfunction wa(a,c){a.i.a(c);var b=c;if(qa.test(b)||1==a.i.b.length&&pa.test(b)){var b=c,d;\"+\"==b?(d=b,a.u.a(b)):(d=oa[b],a.u.a(d),a.a.a(d));c=d}else a.l=!1,a.F=!0;if(!a.l){if(!a.F)if(W(a)){if(X(a))return xa(a)}else if(0<a.h.length&&(b=a.a.toString(),p(a.a),a.a.a(a.h),a.a.a(b),b=a.b.toString(),d=b.lastIndexOf(a.h),p(a.b),a.b.a(b.substring(0,d))),a.h!=ya(a))return a.b.a(\" \"),xa(a);return a.i.toString()}switch(a.u.b.length){case 0:case 1:case 2:return a.i.toString();case 3:if(W(a))a.A=!0;else return a.h=\nya(a),Y(a);default:if(a.A)return X(a)&&(a.A=!1),a.b.toString()+a.a.toString();if(0<a.f.length){b=za(a,c);d=Aa(a);if(0<d.length)return d;V(a,a.a.toString());return U(a)?Ba(a):a.l?Z(a,b):a.i.toString()}return Y(a)}}function xa(a){a.l=!0;a.A=!1;a.f=[];a.s=0;p(a.m);a.w=\"\";return Y(a)}function Aa(a){for(var c=a.a.toString(),b=a.f.length,d=0;d<b;++d){var f=a.f[d],e=x(f,1);if((new RegExp(\"^(?:\"+e+\")$\")).test(c))return a.B=T.test(w(f,4)),c=c.replace(new RegExp(e,\"g\"),w(f,2)),Z(a,c)}return\"\"}\nfunction Z(a,c){var b=a.b.b.length;return a.B&&0<b&&\" \"!=a.b.toString().charAt(b-1)?a.b+\" \"+c:a.b+c}function Y(a){var c=a.a.toString();if(3<=c.length){for(var b=a.o&&0==a.h.length&&0<y(a.g,20)?v(a.g,20)||[]:v(a.g,19)||[],d=b.length,f=0;f<d;++f){var e=b[f];0<a.h.length&&N(x(e,4))&&!w(e,6)&&null==e.a[5]||(0!=a.h.length||a.o||N(x(e,4))||w(e,6))&&va.test(x(e,2))&&a.f.push(e)}V(a,c);c=Aa(a);return 0<c.length?c:U(a)?Ba(a):a.i.toString()}return Z(a,c)}\nfunction Ba(a){var c=a.a.toString(),b=c.length;if(0<b){for(var d=\"\",f=0;f<b;f++)d=za(a,c.charAt(f));return a.l?Z(a,d):a.i.toString()}return a.b.toString()}\nfunction ya(a){var c=a.a.toString(),b=0,d;1!=w(a.g,10)?d=!1:(d=a.a.toString(),d=\"1\"==d.charAt(0)&&\"0\"!=d.charAt(1)&&\"1\"!=d.charAt(1));d?(b=1,a.b.a(\"1\").a(\" \"),a.o=!0):null!=a.g.a[15]&&(d=new RegExp(\"^(?:\"+w(a.g,15)+\")\"),d=c.match(d),null!=d&&null!=d[0]&&0<d[0].length&&(a.o=!0,b=d[0].length,a.b.a(c.substring(0,b))));p(a.a);a.a.a(c.substring(b));return c.substring(0,b)}\nfunction W(a){var c=a.u.toString(),b=new RegExp(\"^(?:\\\\+|\"+w(a.g,11)+\")\"),b=c.match(b);return 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":45,"sourceCodeEnd":74,"githubUrl":"https://github.com/nosir/cleave.js/blob/a966c95cf5193f223485a10eec8405bb32b8f6dd/src/addons/phone-type-formatter.lv.js#L45-L74","documentation":"Same libphonenumber metadata failure, for the Latvian addon (phone-type-formatter.lv.js). Function R resolves the formatter's region by looking the code up in metadata map L; if the region is missing or empty it throws Error('Invalid region code: ' + c). The empty code in the message indicates the formatter was invoked without a valid 'LV' region argument.","triggerScenarios":"Invoking the bundle-exported formatter (b) with an empty/undefined region; constructing the AsYouType formatter whose constructor runs R(this, this.D) with D unset; passing a country string that is not in the bundled metadata so O returns null and R throws.","commonSituations":"defaultCountry read from an unset config/environment value; user-supplied country codes that are empty after trimming/lowercasing; addon file used standalone without the region wiring; metadata/version mismatch after upgrading the generated per-country bundle.","solutions":["Pass 'LV' explicitly as the region/default-country when calling the formatter.","Guard the input: require a non-empty uppercase 2-letter region before invoking the formatter.","Default empty regions to a sane fallback (e.g. 'LV') or reject the request with a clear validation message.","Parse numbers with a default country instead of auto-detection so the resolver never sees an empty region.","Regenerate/update the lv addon bundle so its metadata map includes LV."],"exampleFix":"// before\nconst formatted = formatter(number, { country: userCountry }); // userCountry = '' \n// after\nconst region = (userCountry || 'LV').toUpperCase();\nconst formatted = formatter(number, { country: region });","handlingStrategy":"validation","validationCode":"function isValidRegion(r) {\n  return typeof r === 'string' && /^[A-Z]{2}$/.test(r.toUpperCase()) && r.trim() !== '';\n}\nif (!isValidRegion(region)) {\n  throw new TypeError(`phone-type-formatter: expected ISO region code, got ${JSON.stringify(region)}`);\n}","typeGuard":"function isRegionCode(v) {\n  return typeof v === 'string' && /^[A-Za-z]{2}$/.test(v);\n}","tryCatchPattern":"let formatted;\ntry {\n  formatted = formatter(number, { country: 'LV' });\n} catch (e) {\n  if (/Invalid region code/.test(e.message)) {\n    formatted = null;\n  } else {\n    throw e;\n  }\n}","preventionTips":["Always pass an explicit ISO 3166-1 alpha-2 region to the formatter.","Validate/normalize country inputs (trim + toUpperCase) at the API boundary.","Default missing region config to a known-good value and log a warning.","Add a unit test that formats one number per supported region to catch missing metadata early.","Keep the addon bundles regenerated from the same libphonenumber version as the core library."],"tags":["phone-number","invalid-region-code","libphonenumber"],"backgroundTag":"invalid-region-code","analyzedSha":"a966c95cf5193f223485a10eec8405bb32b8f6dd","analyzedAt":"2026-09-02T23:44:35.488Z","contentChangedAt":null,"schemaVersion":2},"datasetVersion":"2026-09-10T02:17:09.455Z"}