{"record":{"id":"16816032e831ea20","repo":"swc-project/swc","slug":"expected-integer-type","errorCode":null,"errorMessage":"Expected integer type","messagePattern":"Expected integer type","errorType":"validation","errorClass":"Error","httpStatus":null,"severity":"error","filePath":"crates/swc_css_parser/src/parser/values_and_units/mod.rs","lineNumber":1779,"sourceCode":"{\n    fn parse(&mut self) -> PResult<Integer> {\n        let span = self.input.cur_span();\n\n        if !is!(self, Number) {\n            return Err(Error::new(span, ErrorKind::ExpectedNumber));\n        }\n\n        let value = bump!(self);\n\n        match value {\n            Token::Number {\n                value,\n                raw,\n                type_flag,\n                ..\n            } => {\n                if type_flag == NumberType::Number {\n                    return Err(Error::new(span, ErrorKind::Expected(\"integer type\")));\n                }\n\n                Ok(Integer {\n                    span,\n                    value: value.round() as i64,\n                    raw: Some(raw),\n                })\n            }\n            _ => {\n                unreachable!()\n            }\n        }\n    }\n}\n\nimpl<I> Parse<Number> for Parser<I>\nwhere\n    I: ParserInput,","sourceCodeStart":1761,"sourceCodeEnd":1797,"githubUrl":"https://github.com/swc-project/swc/blob/5176682b65416c6b5de6b47379ae1588ea3ecb3f/crates/swc_css_parser/src/parser/values_and_units/mod.rs#L1761-L1797","documentation":"Fired by the Integer parser: a Number token was found but its type_flag is Number (has a fractional part or exponent), not Integer. Only <integer>-typed number tokens (e.g. '3', '-2') can become an Integer node; '3.5' or '1e2' are rejected.","triggerScenarios":"Thrown at crates/swc_css_parser/src/parser/values_and_units/mod.rs:1779 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":["Use a whole number without a decimal point or exponent","Round or floor the value if an integer is required by the grammar"],"exampleFix":null,"handlingStrategy":"validation","validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"5176682b65416c6b5de6b47379ae1588ea3ecb3f","analyzedAt":"2026-08-17T16:16:52.067Z","contentChangedAt":"2026-08-17T16:16:52.067Z","schemaVersion":2},"datasetVersion":"2026-09-14T00:17:10.932Z"}