Camilla Schoeser
66 lines
2.5 KiB
JavaScript
66 lines
2.5 KiB
JavaScript
import { defaultSplitRE, isValidSelector } from "@unocss/core";
|
|
//#region ../../virtual-shared/integration/src/utils.ts
|
|
function hash(str) {
|
|
let i;
|
|
let l;
|
|
let hval = 2166136261;
|
|
for (i = 0, l = str.length; i < l; i++) {
|
|
hval ^= str.charCodeAt(i);
|
|
hval += (hval << 1) + (hval << 4) + (hval << 7) + (hval << 8) + (hval << 24);
|
|
}
|
|
return `00000${(hval >>> 0).toString(36)}`.slice(-6);
|
|
}
|
|
function transformSkipCode(code, map, SKIP_RULES_RE, keyFlag) {
|
|
for (const item of Array.from(code.matchAll(SKIP_RULES_RE))) if (item != null) {
|
|
const matched = item[0];
|
|
const withHashKey = `${keyFlag}${hash(matched)}`;
|
|
map.set(withHashKey, matched);
|
|
code = code.replace(matched, withHashKey);
|
|
}
|
|
return code;
|
|
}
|
|
function restoreSkipCode(code, map) {
|
|
for (const [withHashKey, matched] of map.entries()) code = code.replaceAll(withHashKey, matched);
|
|
return code;
|
|
}
|
|
//#endregion
|
|
//#region src/source-map.ts
|
|
const sourceMapRE = /\/\/#\s*sourceMappingURL=.*\n?/g;
|
|
function removeSourceMap(code) {
|
|
if (code.includes("sourceMappingURL=")) return code.replace(sourceMapRE, "");
|
|
return code;
|
|
}
|
|
//#endregion
|
|
//#region src/index.ts
|
|
const quotedArbitraryValuesRE = /(?:[\w&:[\]-]|\[\S{1,64}=\S{1,64}\]){1,64}\[\\?['"]?\S{1,64}?['"]\]\]?[\w:-]{0,64}/g;
|
|
const arbitraryPropertyRE = /\[(\\\W|[\w-]){1,64}:[^\s:]{0,64}?("\S{1,64}?"|'\S{1,64}?'|`\S{1,64}?`|[^\s:]{1,64}?)[^\s:]{0,64}?\)?\]/g;
|
|
const arbitraryPropertyCandidateRE = /^\[(?:\\\W|[\w-]){1,64}:['"]?\S{1,64}?['"]?\]$/;
|
|
function splitCodeWithArbitraryVariants(code) {
|
|
const result = [];
|
|
for (const match of code.matchAll(arbitraryPropertyRE)) {
|
|
if (match.index !== 0 && !/^[\s'"`]/.test(code[match.index - 1] ?? "")) continue;
|
|
result.push(match[0]);
|
|
}
|
|
for (const match of code.matchAll(quotedArbitraryValuesRE)) result.push(match[0]);
|
|
const skipMap = /* @__PURE__ */ new Map();
|
|
const skipFlag = "@unocss-skip-arbitrary-brackets";
|
|
code = transformSkipCode(code, skipMap, /-\[(?!&.+?;)[^\]]*\]/g, skipFlag);
|
|
if (!code) return result;
|
|
code.split(defaultSplitRE).forEach((match) => {
|
|
if (match.includes(skipFlag)) match = restoreSkipCode(match, skipMap);
|
|
if (isValidSelector(match) && !arbitraryPropertyCandidateRE.test(match)) result.push(match);
|
|
});
|
|
return result;
|
|
}
|
|
function extractorArbitraryVariants() {
|
|
return {
|
|
name: "@unocss/extractor-arbitrary-variants",
|
|
order: 0,
|
|
extract({ code }) {
|
|
return splitCodeWithArbitraryVariants(removeSourceMap(code));
|
|
}
|
|
};
|
|
}
|
|
//#endregion
|
|
export { arbitraryPropertyRE, extractorArbitraryVariants, quotedArbitraryValuesRE, splitCodeWithArbitraryVariants };
|