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Mini Shell
Mini Shell
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
Object.defineProperty(exports, "default", {
enumerable: true,
get: function() {
return expandTailwindAtRules;
}
});
const _fs = /*#__PURE__*/ _interop_require_default(require("fs"));
const _quicklru = /*#__PURE__*/ _interop_require_default(require("@alloc/quick-lru"));
const _sharedState = /*#__PURE__*/ _interop_require_wildcard(require("./sharedState"));
const _generateRules = require("./generateRules");
const _log = /*#__PURE__*/ _interop_require_default(require("../util/log"));
const _cloneNodes = /*#__PURE__*/ _interop_require_default(require("../util/cloneNodes"));
const _defaultExtractor = require("./defaultExtractor");
function _interop_require_default(obj) {
return obj && obj.__esModule ? obj : {
default: obj
};
}
function _getRequireWildcardCache(nodeInterop) {
if (typeof WeakMap !== "function") return null;
var cacheBabelInterop = new WeakMap();
var cacheNodeInterop = new WeakMap();
return (_getRequireWildcardCache = function(nodeInterop) {
return nodeInterop ? cacheNodeInterop : cacheBabelInterop;
})(nodeInterop);
}
function _interop_require_wildcard(obj, nodeInterop) {
if (!nodeInterop && obj && obj.__esModule) {
return obj;
}
if (obj === null || typeof obj !== "object" && typeof obj !== "function") {
return {
default: obj
};
}
var cache = _getRequireWildcardCache(nodeInterop);
if (cache && cache.has(obj)) {
return cache.get(obj);
}
var newObj = {};
var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor;
for(var key in obj){
if (key !== "default" && Object.prototype.hasOwnProperty.call(obj, key)) {
var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null;
if (desc && (desc.get || desc.set)) {
Object.defineProperty(newObj, key, desc);
} else {
newObj[key] = obj[key];
}
}
}
newObj.default = obj;
if (cache) {
cache.set(obj, newObj);
}
return newObj;
}
let env = _sharedState.env;
const builtInExtractors = {
DEFAULT: _defaultExtractor.defaultExtractor
};
const builtInTransformers = {
DEFAULT: (content)=>content,
svelte: (content)=>content.replace(/(?:^|\s)class:/g, " ")
};
function getExtractor(context, fileExtension) {
let extractors = context.tailwindConfig.content.extract;
return extractors[fileExtension] || extractors.DEFAULT || builtInExtractors[fileExtension] || builtInExtractors.DEFAULT(context);
}
function getTransformer(tailwindConfig, fileExtension) {
let transformers = tailwindConfig.content.transform;
return transformers[fileExtension] || transformers.DEFAULT || builtInTransformers[fileExtension] || builtInTransformers.DEFAULT;
}
let extractorCache = new WeakMap();
// Scans template contents for possible classes. This is a hot path on initial build but
// not too important for subsequent builds. The faster the better though — if we can speed
// up these regexes by 50% that could cut initial build time by like 20%.
function getClassCandidates(content, extractor, candidates, seen) {
if (!extractorCache.has(extractor)) {
extractorCache.set(extractor, new _quicklru.default({
maxSize: 25000
}));
}
for (let line of content.split("\n")){
line = line.trim();
if (seen.has(line)) {
continue;
}
seen.add(line);
if (extractorCache.get(extractor).has(line)) {
for (let match of extractorCache.get(extractor).get(line)){
candidates.add(match);
}
} else {
let extractorMatches = extractor(line).filter((s)=>s !== "!*");
let lineMatchesSet = new Set(extractorMatches);
for (let match of lineMatchesSet){
candidates.add(match);
}
extractorCache.get(extractor).set(line, lineMatchesSet);
}
}
}
/**
*
* @param {[import('./offsets.js').RuleOffset, import('postcss').Node][]} rules
* @param {*} context
*/ function buildStylesheet(rules, context) {
let sortedRules = context.offsets.sort(rules);
let returnValue = {
base: new Set(),
defaults: new Set(),
components: new Set(),
utilities: new Set(),
variants: new Set()
};
for (let [sort, rule] of sortedRules){
returnValue[sort.layer].add(rule);
}
return returnValue;
}
function expandTailwindAtRules(context) {
return async (root)=>{
let layerNodes = {
base: null,
components: null,
utilities: null,
variants: null
};
root.walkAtRules((rule)=>{
// Make sure this file contains Tailwind directives. If not, we can save
// a lot of work and bail early. Also we don't have to register our touch
// file as a dependency since the output of this CSS does not depend on
// the source of any templates. Think Vue <style> blocks for example.
if (rule.name === "tailwind") {
if (Object.keys(layerNodes).includes(rule.params)) {
layerNodes[rule.params] = rule;
}
}
});
if (Object.values(layerNodes).every((n)=>n === null)) {
return root;
}
var _context_candidates;
// ---
// Find potential rules in changed files
let candidates = new Set([
...(_context_candidates = context.candidates) !== null && _context_candidates !== void 0 ? _context_candidates : [],
_sharedState.NOT_ON_DEMAND
]);
let seen = new Set();
env.DEBUG && console.time("Reading changed files");
/** @type {[item: {file?: string, content?: string}, meta: {transformer: any, extractor: any}][]} */ let regexParserContent = [];
for (let item of context.changedContent){
let transformer = getTransformer(context.tailwindConfig, item.extension);
let extractor = getExtractor(context, item.extension);
regexParserContent.push([
item,
{
transformer,
extractor
}
]);
}
const BATCH_SIZE = 500;
for(let i = 0; i < regexParserContent.length; i += BATCH_SIZE){
let batch = regexParserContent.slice(i, i + BATCH_SIZE);
await Promise.all(batch.map(async ([{ file , content }, { transformer , extractor }])=>{
content = file ? await _fs.default.promises.readFile(file, "utf8") : content;
getClassCandidates(transformer(content), extractor, candidates, seen);
}));
}
env.DEBUG && console.timeEnd("Reading changed files");
// ---
// Generate the actual CSS
let classCacheCount = context.classCache.size;
env.DEBUG && console.time("Generate rules");
env.DEBUG && console.time("Sorting candidates");
let sortedCandidates = new Set([
...candidates
].sort((a, z)=>{
if (a === z) return 0;
if (a < z) return -1;
return 1;
}));
env.DEBUG && console.timeEnd("Sorting candidates");
(0, _generateRules.generateRules)(sortedCandidates, context);
env.DEBUG && console.timeEnd("Generate rules");
// We only ever add to the classCache, so if it didn't grow, there is nothing new.
env.DEBUG && console.time("Build stylesheet");
if (context.stylesheetCache === null || context.classCache.size !== classCacheCount) {
context.stylesheetCache = buildStylesheet([
...context.ruleCache
], context);
}
env.DEBUG && console.timeEnd("Build stylesheet");
let { defaults: defaultNodes , base: baseNodes , components: componentNodes , utilities: utilityNodes , variants: screenNodes } = context.stylesheetCache;
// ---
// Replace any Tailwind directives with generated CSS
if (layerNodes.base) {
layerNodes.base.before((0, _cloneNodes.default)([
...baseNodes,
...defaultNodes
], layerNodes.base.source, {
layer: "base"
}));
layerNodes.base.remove();
}
if (layerNodes.components) {
layerNodes.components.before((0, _cloneNodes.default)([
...componentNodes
], layerNodes.components.source, {
layer: "components"
}));
layerNodes.components.remove();
}
if (layerNodes.utilities) {
layerNodes.utilities.before((0, _cloneNodes.default)([
...utilityNodes
], layerNodes.utilities.source, {
layer: "utilities"
}));
layerNodes.utilities.remove();
}
// We do post-filtering to not alter the emitted order of the variants
const variantNodes = Array.from(screenNodes).filter((node)=>{
var _node_raws_tailwind;
const parentLayer = (_node_raws_tailwind = node.raws.tailwind) === null || _node_raws_tailwind === void 0 ? void 0 : _node_raws_tailwind.parentLayer;
if (parentLayer === "components") {
return layerNodes.components !== null;
}
if (parentLayer === "utilities") {
return layerNodes.utilities !== null;
}
return true;
});
if (layerNodes.variants) {
layerNodes.variants.before((0, _cloneNodes.default)(variantNodes, layerNodes.variants.source, {
layer: "variants"
}));
layerNodes.variants.remove();
} else if (variantNodes.length > 0) {
root.append((0, _cloneNodes.default)(variantNodes, root.source, {
layer: "variants"
}));
}
var _root_source_end;
// TODO: Why is the root node having no source location for `end` possible?
root.source.end = (_root_source_end = root.source.end) !== null && _root_source_end !== void 0 ? _root_source_end : root.source.start;
// If we've got a utility layer and no utilities are generated there's likely something wrong
const hasUtilityVariants = variantNodes.some((node)=>{
var _node_raws_tailwind;
return ((_node_raws_tailwind = node.raws.tailwind) === null || _node_raws_tailwind === void 0 ? void 0 : _node_raws_tailwind.parentLayer) === "utilities";
});
if (layerNodes.utilities && utilityNodes.size === 0 && !hasUtilityVariants) {
_log.default.warn("content-problems", [
"No utility classes were detected in your source files. If this is unexpected, double-check the `content` option in your Tailwind CSS configuration.",
"https://tailwindcss.com/docs/content-configuration"
]);
}
// ---
if (env.DEBUG) {
console.log("Potential classes: ", candidates.size);
console.log("Active contexts: ", _sharedState.contextSourcesMap.size);
}
// Clear the cache for the changed files
context.changedContent = [];
// Cleanup any leftover @layer atrules
root.walkAtRules("layer", (rule)=>{
if (Object.keys(layerNodes).includes(rule.params)) {
rule.remove();
}
});
};
}
Zerion Mini Shell 1.0