{"record":{"id":"c9ddb990565c5bc8","repo":"nosir/cleave.js","slug":"invalid-region-code-c9ddb9","errorCode":null,"errorMessage":"Invalid region code: ","messagePattern":"Invalid region code: ","errorType":"exception","errorClass":"Error","httpStatus":null,"severity":"error","filePath":"src/addons/phone-type-formatter.kp.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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Same root cause as all phone-type-formatter addons: region code / loaded metadata mismatch.","triggerScenarios":"Formatting with phoneRegionCode that does not correspond to the KP addon metadata, an invalid country string, or empty code reaching R() while isNaN/null checks still pass the metadata branch.","commonSituations":"Copy-pasting config between apps with different addon files loaded; dynamic region selection where only one addon was bundled; typos like 'KP ' or 'kp1'.","solutions":["Ensure phoneRegionCode matches the loaded addon ('KP' with phone-type-formatter.kp.js).","Trim/uppercase the region code before constructing Cleave.","Bundle every country addon your UI can select.","Catch init errors and fall back to no formatting to avoid breaking the form."],"exampleFix":"// before\nnew Cleave(el, { phone: true, phoneRegionCode: selectedCountry });\n// after\nimport 'cleave.js/dist/addons/phone-type-formatter.kp.js';\nconst code = (selectedCountry || '').trim().toUpperCase();\nif (code === 'KP') new Cleave(el, { phone: true, phoneRegionCode: code });","handlingStrategy":"validation","validationCode":"const code = (selectedCountry || '').trim().toUpperCase();\nif (!/^[A-Z]{2}$/.test(code)) {\n  throw new Error('phoneRegionCode must be a 2-letter country code, got: ' + selectedCountry);\n}","typeGuard":"function isKpRegion(code) {\n  return typeof code === 'string' && code.trim().toUpperCase() === 'KP';\n}","tryCatchPattern":"try {\n  new Cleave(el, { phone: true, phoneRegionCode: code });\n} catch (e) {\n  if (e.message.includes('Invalid region code')) {\n    console.warn('Falling back: no formatter for region ' + code);\n  } else { throw e; }\n}","preventionTips":["Match addon file to region code exactly; do not mix bundles.","Sanitize region strings coming from user input or URL params.","Dynamically import the correct addon per selected country.","Add integration tests that init Cleave for every supported region."],"tags":["phone","region-code","libphonenumber","addon"],"backgroundTag":"invalid-region-code","analyzedSha":"a966c95cf5193f223485a10eec8405bb32b8f6dd","analyzedAt":"2026-09-02T23:44:35.488Z","contentChangedAt":null,"schemaVersion":2},"datasetVersion":"2026-09-10T02:17:09.455Z"}