hugoWebsite/node_modules/tailwindcss/lib/lib/cacheInvalidation.js

91 lines
2.9 KiB
JavaScript

"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
Object.defineProperty(exports, "hasContentChanged", {
enumerable: true,
get: ()=>hasContentChanged
});
const _crypto = /*#__PURE__*/ _interopRequireDefault(require("crypto"));
const _sharedState = /*#__PURE__*/ _interopRequireWildcard(require("./sharedState"));
function _interopRequireDefault(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 _interopRequireWildcard(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;
}
/**
* Calculate the hash of a string.
*
* This doesn't need to be cryptographically secure or
* anything like that since it's used only to detect
* when the CSS changes to invalidate the context.
*
* This is wrapped in a try/catch because it's really dependent
* on how Node itself is build and the environment and OpenSSL
* version / build that is installed on the user's machine.
*
* Based on the environment this can just outright fail.
*
* See https://github.com/nodejs/node/issues/40455
*
* @param {string} str
*/ function getHash(str) {
try {
return _crypto.default.createHash("md5").update(str, "utf-8").digest("binary");
} catch (err) {
return "";
}
}
function hasContentChanged(sourcePath, root) {
let css = root.toString();
// We only care about files with @tailwind directives
// Other files use an existing context
if (!css.includes("@tailwind")) {
return false;
}
let existingHash = _sharedState.sourceHashMap.get(sourcePath);
let rootHash = getHash(css);
let didChange = existingHash !== rootHash;
_sharedState.sourceHashMap.set(sourcePath, rootHash);
return didChange;
}