[Bug] : Incorrect calc(...) value crashes cssnano #910
Description
Describe the bug
Using some (specific) incorrect calc(...) values crashes cssnano.
To Reproduce
Use as input:
.test {
min-height: calc(100vh20 / 80 * 20rem - 1rem);
}You can try it in the cssnano playground.
On the cssnano playground:
Uncaught (in promise)
JisonLexerError
hash: {errStr: "Lexical error on line 1: Unrecognized text.↵↵ Erroneous area:↵1: 100vh20 / 80 * 20rem - 1rem↵^..^", recoverable: false, text: "", token: null, line: 0, …}
postcssNode: Declaration {raws: {…}, type: "decl", parent: Rule, source: {…}, prop: "min-height", …}
message: "Lexical error on line 1: Unrecognized text.↵↵ Erroneous area:↵1: 100vh20 / 80 * 20rem - 1rem↵^..^"
name: "JisonLexerError"
stack: "JisonLexerError: Lexical error on line 1: Unrecognized text.↵↵ Erroneous area:↵1: 100vh20 / 80 * 20rem - 1rem↵^..^↵ at <input css 86>:2:3↵ at Object.parseError (https://cssnano.co/phenomic/phenomic.main.22573732.js:131424:15)↵ at Object.lexer_parseError [as parseError] (https://cssnano.co/phenomic/phenomic.main.22573732.js:132557:44)↵ at Object.lexer_next [as next] (https://cssnano.co/phenomic/phenomic.main.22573732.js:133552:22)↵ at Object.lexer_fastLex [as fastLex] (https://cssnano.co/phenomic/phenomic.main.22573732.js:133627:18)↵ at fastLex (https://cssnano.co/phenomic/phenomic.main.22573732.js:131827:27)↵ at Parser.parse (https://cssnano.co/phenomic/phenomic.main.22573732.js:131901:30)↵ at https://cssnano.co/phenomic/phenomic.main.22573732.js:127716:30↵ at walk (https://cssnano.co/phenomic/phenomic.main.22573732.js:76903:7)↵ at ValueParser.walk (https://cssnano.co/phenomic/phenomic.main.22573732.js:417:3)↵ at transformValue (https://cssnano.co/phenomic/phenomic.main.22573732.js:127710:50)"
__proto__: Error
On a node build environment:
Module build failed: ModuleBuildError: Module build failed: TypeError: Cannot assign to read only property 'stack' of object 'JisonParserError: Cannot read property '0' of null'
at [...]/node_modules/postcss/lib/container.js:141:19
at Rule.each ([...]/node_modules/postcss/lib/container.js:101:16)
at Rule.walk ([...]/node_modules/postcss/lib/container.js:131:17)
at [...]/node_modules/postcss/lib/container.js:148:24
at Root.each ([...]/node_modules/postcss/lib/container.js:101:16)
at Root.walk ([...]/node_modules/postcss/lib/container.js:131:17)
at [...]/node_modules/postcss-calc/dist/index.js:23:9
at initializePlugin ([...]/node_modules/cssnano/dist/index.js:31:51)
at <anonymous>
at runLoaders ([...]/node_modules/webpack/lib/NormalModule.js:195:19)
at [...]/node_modules/loader-runner/lib/LoaderRunner.js:367:11
at [...]/node_modules/loader-runner/lib/LoaderRunner.js:233:18
at context.callback ([...]/node_modules/loader-runner/lib/LoaderRunner.js:111:13)
at Promise.resolve.then.then.catch ([...]/node_modules/postcss-loader/src/index.js:208:9)
at <anonymous>
Expected behavior
cssnano either ignores the cals(...) value or handles the error correctly and
prints an explanatory error message, like incorrect calc(...) value: 100vh20 / 80 * 20rem - 1rem.
Desktop (please complete the following information):
- CSSNANO Version [e.g. 22] v4.1.10
(as in cssnano playground)