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function caviar(obj: any) {\n const result: any = {\n style: {},\n };\n for (const [key, val] of Object.entries(obj)) {\n if (key === \"style\") {\n throw new Error(`Cannot use reserved key: '${key}'`);\n }\n if (typeof val === \"object\") {\n createMode(result, key, val);\n } else {\n const varKey = `--${key}`;\n const varVal = `var(${varKey})`;\n result[key] = varVal;\n result.style[varKey] = val;\n }\n }\n return result;\n}\n\nfunction createMode(result: any, mode: string, obj: any) {\n result.style[mode] = {};\n for (const [key, val] of Object.entries(obj)) {\n const varKey = `--${key}`;\n const varVal = `var(${varKey})`;\n result[key] = varVal;\n result.style[mode][varKey] = val;\n }\n}","createdAt",["D",1745243104345],"branchVersion","branchId","a035fa80-010c-11f0-b330-569c3dd06744","id","a0359c0c-010c-11f0-b330-569c3dd06744","tuna",["D",1741981418756],"deletedAt","legacyEnvVars","privacy","public","httpPrivacy","description","Simple functional CSS library for Val 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{ describe, it } from \"https://esm.town/v/jxnblk/test/http.tsx\";\nimport { assert, assertEquals, assertMatch } from \"jsr:@std/assert@1\";\n\nimport { css } from \"https://esm.town/v/jxnblk/tuna/index.tsx\";\n\nconst matches = (a, b) => assertMatch(a, new RegExp(b));\n\nexport default describe(\"tuna tests\", () => {\n const bodyStyles = css({\n body: {\n color: \"red\",\n fontFamily: \"sans-serif\",\n },\n });\n\n it(\"generates css\", () => {\n assertEquals(bodyStyles.css, \"body{color:red;font-family:sans-serif}\");\n });\n\n it(\"generates a style tag\", () => {\n assertEquals(bodyStyles.tag.dangerouslySetInnerHTML.__html, bodyStyles.css);\n });\n\n // for debugging only\n // it(\"fails\", () => {\n // assertEquals(1, 2);\n // // throw new Error(\"Seeing if this throws\");\n // });\n\n const styles = css({\n button: {\n color: \"blue\",\n padding: \"8px\",\n },\n box: {\n color: \"blue\",\n padding: \"32px\",\n },\n });\n\n it(\"creates atomic classnames\", () => {\n matches(styles.css, \"x0\");\n matches(styles.css, \"x1\");\n matches(styles.css, \"x2\");\n });\n\n it(\"creates atomic declarations\", () => {\n matches(styles.css, \".x0{color:blue}\");\n matches(styles.css, \".x1{padding:8px}\");\n matches(styles.css, \".x2{padding:32px}\");\n });\n\n it(\"returns classnames for application\", () => {\n assertEquals(styles.button, \"x0 x1\");\n assertEquals(styles.box, \"x0 x2\");\n });\n\n // pseudoselectors\n const pseudos = css({\n box: {\n backgroundColor: \"tomato\",\n \"&:hover\": {\n backgroundColor: \"blue\",\n color: \"black\",\n },\n },\n // \"box:hover\": { }, // not supported\n });\n\n it(\"handles pseudoselectors\", () => {\n matches(pseudos.css, \".x3{background-color:tomato}\");\n matches(pseudos.css, \".x4:hover{background-color:blue}\");\n matches(pseudos.css, \".x5:hover{color:black}\");\n });\n\n // child selectors\n const children = css({\n title: {\n fontSize: \"32px\",\n \"& > span\": {\n fontSize: \"16px\",\n },\n },\n });\n\n it(\"handles child selectors\", () => {\n matches(children.css, \".x6{font-size:32px}\");\n matches(children.css, \".x7 > span{font-size:16px}\");\n });\n\n const attrs = css({\n input: {\n \"&[type=checkbox]\": {\n backgroundColor: \"tomato\",\n },\n },\n });\n\n it(\"handles attr selectors\", () => {\n assertEquals(attrs.css, \".x8[type=checkbox]{background-color:tomato}\");\n });\n\n const numbers = css({\n box: {\n fontSize: 12,\n padding: 7,\n },\n });\n\n it(\"converts numbers to px\", () => {\n matches(numbers.css, \".x9{font-size:12px}\");\n matches(numbers.css, \".xa{padding:7px}\");\n });\n\n const media = css({\n /* possible api??\n \"@media screen and (min-w-width: 768px)\": {\n box: {\n fontSize: 13,\n padding: 11,\n },\n },\n */\n box: {\n \"@media screen and (min-width: 768px)\": {\n fontSize: 13,\n padding: 11,\n \"&:hover\": {\n color: \"red\",\n textDecoration: \"underline\",\n },\n },\n },\n });\n\n it(\"handles media queries\", () => {\n assertEquals(media.box, \"xb xc xd xe\");\n assert(media.css.includes(\"@media screen and (min-width: 768px){.xb{font-size:13px}}\"));\n assert(media.css.includes(\"@media screen and (min-width: 768px){.xc{padding:11px}}\"));\n assert(\n media.css.includes(\n \"@media screen and (min-width: 768px){.xd:hover{color:red}.xe:hover{text-decoration:underline}}\",\n ),\n );\n });\n\n return (\"🐟 [tuna] ok\");\n});","label",[143],"02b004b0-010f-11f0-ae6f-569c3dd06744","notes.md","02b005aa-010f-11f0-ae6f-569c3dd06744",10,["D",1741982442967],"\n```tsx\n// API sketches\n\nimport Tuna from \"val:jxnblk/tuna\";\n\nconst tuna = new Tuna({\n});\n```\n",[155],"77ce4202-16ea-11f0-9106-569c3dd06744","index.tsx","0212641c-010f-11f0-8d87-569c3dd06744",24,["D",1744385673654],4,"import { kebabCase } from \"npm:change-case@5.4.4\";\nimport createRule from \"./create-rule.tsx\";\nimport createRawRule from \"./create-raw-rule.tsx\";\nimport cache from \"./cache.tsx\";\n\nconst reserved = [\"css\", \"tag\"];\n\nconst NESTED_RE = /&/;\ntype TagProps = {\n dangerouslySetInnerHTML: {\n __html: string;\n },\n};\n\nexport class TunaResult {\n [key: string]: string;\n css: string;\n tag: TagProps;\n \n constructor() {\n this.css = \"\";\n this.tag = { dangerouslySetInnerHTML: { __html: \"\" }};\n }\n}\n\ninterface TunaArguments {\n body?: object;\n [key: string]: object;\n}\n\nexport function css(obj: TunaArguments): TunaResult {\n const result = new TunaResult();\n const rules = [];\n for (const key in obj) {\n if (reserved.includes(key)) {\n const msg = `Cannot use key: '${key}'`;\n throw new Error(msg);\n }\n if (key === \"body\") {\n rules.push(createRawRule(\"body\", obj[key]));\n continue;\n }\n const val = obj[key];\n const { css, className } = createRule(val, key);\n result[key] = className;\n rules.push(css);\n }\n result.css = rules.join(\"\");\n return result;\n}\n\nexport default css;",[162],"02cb6b9c-010f-11f0-b461-569c3dd06744","create-rule.tsx","02cb6c6e-010f-11f0-b461-569c3dd06744",11,["D",1741982443147],"import cache from \"./cache.tsx\";\nimport createNestedRule from \"./create-nested-rule.tsx\";\nimport createMediaRule from \"./create-media-rule.tsx\";\nimport createDeclaration from \"./create-declaration.tsx\";\n\nconst NESTED_RE = /&/;\nconst MEDIA_RE = /^@media/;\n\nexport default function createRule(obj, parentKey) {\n const rules = [];\n const classNames = [];\n\n for (const [key, val] of Object.entries(obj)) {\n const nested = NESTED_RE.test(key);\n const media = MEDIA_RE.test(key);\n // consider: typeof val === \"object\";\n if (nested) {\n // e.g. `&:hover`\n const { _rules, _classNames } = createNestedRule(key, val);\n rules.push(..._rules);\n classNames.push(..._classNames);\n continue;\n }\n if (media) {\n const { _rules, _classNames } = createMediaRule(key, val);\n rules.push(..._rules);\n classNames.push(..._classNames);\n continue;\n }\n const dec = createDeclaration(key, val);\n if (cache.has(dec)) {\n const cn = cache.get(dec);\n classNames.push(cn);\n } else {\n const cn = \"x\" + cache.size.toString(36);\n const rule = `.${cn}{${dec}}`;\n rules.push(rule);\n classNames.push(cn);\n cache.set(dec, cn);\n }\n }\n\n const css = rules.join(\"\");\n const className = classNames.join(\" \");\n return {\n css,\n className,\n };\n}\n",[170],"02a00cea-010f-11f0-8883-569c3dd06744","create-raw-rule.tsx","02a00f56-010f-11f0-8883-569c3dd06744",9,["D",1741982442863],"import createDeclaration from \"./create-declaration.tsx\";\n\nexport default function createRawRule(selector, obj) {\n const decs = [];\n for (const [key, val] of Object.entries(obj)) {\n const dec = createDeclaration(key, val);\n decs.push(dec);\n }\n return `${selector}{${decs.join(\";\")}}`;\n}\n",[177],"023e11a2-010f-11f0-a78b-569c3dd06744","create-nested-rule.tsx","023e126a-010f-11f0-a78b-569c3dd06744",["D",1741982442217],"import createDeclaration from \"./create-declaration.tsx\";\nimport cache from \"./cache.tsx\";\n\n// e.g. box { \"&:hover\": { color: \"red\" } }\n// \"&:hover\", { color: \"red\" }\nexport default function createNestedRule(selector, obj) {\n const _rules = [];\n const _classNames = [];\n\n for (const [key, val] of Object.entries(obj)) {\n if (typeof val === \"object\") {\n throw new Error(\"Nested selectors are only supported one level deep\");\n }\n const cn = \"x\" + cache.size.toString(36);\n const className = selector.replace(\"&\", cn);\n const rule = `.${className}{${createDeclaration(key, val)}}`;\n _rules.push(rule);\n _classNames.push(cn);\n cache.set(rule, className); // only used to increment cache size\n }\n\n return {\n _rules,\n _classNames,\n };\n}\n",[184],"0290c082-010f-11f0-ad83-569c3dd06744","create-media-rule.tsx","0290c168-010f-11f0-ad83-569c3dd06744",8,["D",1741982442763],"import createNestedRule from \"./create-nested-rule.tsx\";\nimport createDeclaration from \"./create-declaration.tsx\";\nimport cache from \"./cache.tsx\";\n\nconst NESTED_RE = /&/;\n\nexport default function createMediaRule(media, obj) {\n const _rules = [];\n const _classNames = [];\n\n for (const [key, val] of Object.entries(obj)) {\n const nested = NESTED_RE.test(key);\n if (nested) {\n const n = createNestedRule(key, val);\n const rule = `${media}{${n._rules.join(\"\")}}`;\n _rules.push(rule);\n _classNames.push(...n._classNames);\n continue;\n }\n const cn = \"x\" + cache.size.toString(36);\n const dec = createDeclaration(key, val);\n const rule = `${media}{.${cn}{${dec}}}`;\n _rules.push(rule);\n _classNames.push(cn);\n cache.set(rule, cn); // increment cache size\n }\n\n return {\n _rules,\n _classNames,\n };\n}\n",[190],"027efe1a-010f-11f0-ae6f-569c3dd06744","create-declaration.tsx","027efee2-010f-11f0-ae6f-569c3dd06744",7,["D",1741982442645],"import { kebabCase } from \"npm:change-case@5.4.4\";\nconst px = n => typeof n === \"number\" ? `${n}px` : n;\n\nexport default (key, val) => `${kebabCase(key, {})}:${px(val)}`;\n",[197],"0251d37c-010f-11f0-8d87-569c3dd06744","cache.tsx","0251d44e-010f-11f0-8d87-569c3dd06744",5,["D",1741982442349],"export const cache = new Map();\nexport default cache;\n",[204],"0266ffea-010f-11f0-a44b-569c3dd06744","README.md","0267009e-010f-11f0-a44b-569c3dd06744",6,["D",1741982442488],"\n# tuna (WIP)\n\n🐟 Simple CSS library for Val Town\n\n\n",[211],"4902bec6-010f-11f0-939b-569c3dd06744","proto","4902bf8e-010f-11f0-939b-569c3dd06744",12,["D",1741982560949],"directory",[218],"0222361c-010f-11f0-ad83-569c3dd06744",".vim","022236c6-010f-11f0-ad83-569c3dd06744",["D",1741982442038],[225],"pulls","branches",1,"forks","envVars",{"_237":66,"_239":66},"connections",{"_237":66,"_238":66},"count","unfilledCount","emptyCount",{"_44":224,"_32":225,"_30":226,"_145":-5,"_42":43,"_41":149,"_147":61,"_39":308,"_13":66,"_34":222,"_36":-5,"_24":25,"_152":-5,"_256":309,"_27":310},{"_44":300,"_32":301,"_30":302,"_145":226,"_42":43,"_41":303,"_147":61,"_39":304,"_13":66,"_34":20,"_36":305,"_24":25,"_152":-5,"_256":306,"_27":307},{"_44":217,"_32":218,"_30":219,"_145":-5,"_42":43,"_41":220,"_147":61,"_39":297,"_13":66,"_34":222,"_36":-5,"_24":25,"_152":-5,"_256":298,"_27":299},{"_44":293,"_32":33,"_30":31,"_145":219,"_42":43,"_41":14,"_147":61,"_39":294,"_13":231,"_34":35,"_36":38,"_24":25,"_152":-5,"_256":295,"_27":296},{"_44":286,"_32":287,"_30":59,"_145":219,"_42":43,"_41":288,"_147":25,"_39":289,"_13":166,"_34":150,"_36":290,"_24":25,"_152":46,"_256":291,"_27":292},{"_44":210,"_32":211,"_30":212,"_145":-5,"_42":43,"_41":213,"_147":25,"_39":283,"_13":66,"_34":20,"_36":215,"_24":25,"_152":-5,"_256":284,"_27":285},{"_44":203,"_32":204,"_30":205,"_145":-5,"_42":43,"_41":206,"_147":61,"_39":280,"_13":66,"_34":35,"_36":208,"_24":25,"_152":-5,"_256":281,"_27":282},{"_44":196,"_32":197,"_30":198,"_145":-5,"_42":43,"_41":199,"_147":61,"_39":277,"_13":66,"_34":35,"_36":201,"_24":25,"_152":-5,"_256":278,"_27":279},{"_44":189,"_32":190,"_30":191,"_145":-5,"_42":43,"_41":192,"_147":61,"_39":274,"_13":66,"_34":35,"_36":194,"_24":25,"_152":-5,"_256":275,"_27":276},{"_44":183,"_32":184,"_30":185,"_145":-5,"_42":43,"_41":166,"_147":61,"_39":271,"_13":66,"_34":35,"_36":187,"_24":25,"_152":-5,"_256":272,"_27":273},{"_44":176,"_32":177,"_30":178,"_145":-5,"_42":43,"_41":179,"_147":61,"_39":268,"_13":66,"_34":35,"_36":181,"_24":25,"_152":-5,"_256":269,"_27":270},{"_44":169,"_32":170,"_30":171,"_145":-5,"_42":43,"_41":172,"_147":61,"_39":265,"_13":66,"_34":35,"_36":174,"_24":25,"_152":-5,"_256":266,"_27":267},{"_44":161,"_32":162,"_30":163,"_145":-5,"_42":43,"_41":164,"_147":25,"_39":262,"_13":166,"_34":35,"_36":167,"_24":25,"_152":-5,"_256":263,"_27":264},{"_44":154,"_32":155,"_30":156,"_145":-5,"_42":43,"_41":157,"_147":61,"_39":259,"_13":66,"_34":20,"_36":159,"_24":25,"_152":-5,"_256":260,"_27":261},{"_44":142,"_32":143,"_30":144,"_145":-5,"_42":43,"_41":146,"_147":25,"_39":255,"_13":149,"_34":150,"_36":151,"_24":25,"_152":-5,"_256":257,"_27":258},["D",1744385295035],"children",[],[143],["D",1741982442967],[],[155],["D",1744385673654],[],[162],["D",1741982443147],[],[170],["D",1741982442863],[],[177],["D",1741982442217],[],[184],["D",1741982442763],[],[190],["D",1741982442645],[],[197],["D",1741982442349],[],[204],["D",1741982442488],[],[211],"2612a138-16ea-11f0-b7b0-569c3dd06744","http.tsx",20,["D",1744385536527],"/** @jsxImportSource https://esm.sh/react@18.3.1 */\n\nimport render from \"https://esm.town/v/jxnblk/reactstream/index.tsx\";\nimport { css } from \"https://esm.town/v/jxnblk/tuna/index.tsx\";\n\nconst styles = css({\n body: {\n fontFamily: \"system-ui, sans-serif\",\n margin: 0,\n backgroundColor: \"#f5f5f5\",\n },\n container: {\n maxWidth: 1024,\n padding: 32,\n margin: \"0 auto\",\n }\n});\n\nfunction App () {\n return (\n \n \n Proto\n

Diff · v26