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2.4 KiB
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1 line
2.4 KiB
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{"version":3,"file":"is-css-variable.mjs","sources":["../../../../src/animation/utils/is-css-variable.ts"],"sourcesContent":["import { AnyResolvedKeyframe } from \"../types\"\n\nexport type CSSVariableName = `--${string}`\n\nexport type CSSVariableToken = `var(${CSSVariableName})`\n\nconst checkStringStartsWith =\n <T extends string>(token: string) =>\n (key?: AnyResolvedKeyframe | null): key is T =>\n typeof key === \"string\" && key.startsWith(token)\n\nexport const isCSSVariableName =\n /*@__PURE__*/ checkStringStartsWith<CSSVariableName>(\"--\")\n\nconst startsAsVariableToken =\n /*@__PURE__*/ checkStringStartsWith<CSSVariableToken>(\"var(--\")\nexport const isCSSVariableToken = (\n value?: string\n): value is CSSVariableToken => {\n const startsWithToken = startsAsVariableToken(value)\n\n if (!startsWithToken) return false\n\n // Ensure any comments are stripped from the value as this can harm performance of the regex.\n return singleCssVariableRegex.test(value.split(\"/*\")[0].trim())\n}\n\nconst singleCssVariableRegex =\n /var\\(--(?:[\\w-]+\\s*|[\\w-]+\\s*,(?:\\s*[^)(\\s]|\\s*\\((?:[^)(]|\\([^)(]*\\))*\\))+\\s*)\\)$/iu\n\n/**\n * Check if a value contains a CSS variable anywhere (e.g. inside calc()).\n * Unlike isCSSVariableToken which checks if the value IS a var() token,\n * this checks if the value CONTAINS var() somewhere in the string.\n */\nexport function containsCSSVariable(\n value?: AnyResolvedKeyframe | null\n): boolean {\n if (typeof value !== \"string\") return false\n // Strip comments to avoid false positives\n return value.split(\"/*\")[0].includes(\"var(--\")\n}\n"],"names":[],"mappings":"AAMA,MAAM,qBAAqB,GACvB,CAAmB,KAAa,KAChC,CAAC,GAAgC,KAC7B,OAAO,GAAG,KAAK,QAAQ,IAAI,GAAG,CAAC,UAAU,CAAC,KAAK,CAAC,CAAA;MAE3C,iBAAiB;AAC1B,cAAc,qBAAqB,CAAkB,IAAI,EAAC;AAE9D,MAAM,qBAAqB;AACvB,cAAc,qBAAqB,CAAmB,QAAQ,CAAC,CAAA;AACtD,MAAA,kBAAkB,GAAG,CAC9B,KAAc,KACa;AAC3B,IAAA,MAAM,eAAe,GAAG,qBAAqB,CAAC,KAAK,CAAC,CAAA;AAEpD,IAAA,IAAI,CAAC,eAAe;AAAE,QAAA,OAAO,KAAK,CAAA;;AAGlC,IAAA,OAAO,sBAAsB,CAAC,IAAI,CAAC,KAAK,CAAC,KAAK,CAAC,IAAI,CAAC,CAAC,CAAC,CAAC,CAAC,IAAI,EAAE,CAAC,CAAA;AACnE,EAAC;AAED,MAAM,sBAAsB,GACxB,qFAAqF,CAAA;AAEzF;;;;AAIG;AACG,SAAU,mBAAmB,CAC/B,KAAkC,EAAA;IAElC,IAAI,OAAO,KAAK,KAAK,QAAQ;AAAE,QAAA,OAAO,KAAK,CAAA;;AAE3C,IAAA,OAAO,KAAK,CAAC,KAAK,CAAC,IAAI,CAAC,CAAC,CAAC,CAAC,CAAC,QAAQ,CAAC,QAAQ,CAAC,CAAA;AAClD;;;;"} |