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Current File : //var/www/cwg/wp-content/themes/cwg/node_modules/tailwindcss/lib/jit/lib/setupTrackingContext.js

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = setupTrackingContext;

var _fs = _interopRequireDefault(require("fs"));

var _path = _interopRequireDefault(require("path"));

var _fastGlob = _interopRequireDefault(require("fast-glob"));

var _quickLru = _interopRequireDefault(require("quick-lru"));

var _normalizePath = _interopRequireDefault(require("normalize-path"));

var _hashConfig = _interopRequireDefault(require("../../util/hashConfig"));

var _getModuleDependencies = _interopRequireDefault(require("../../lib/getModuleDependencies"));

var _resolveConfig = _interopRequireDefault(require("../../../resolveConfig"));

var _resolveConfigPath = _interopRequireDefault(require("../../util/resolveConfigPath"));

var _sharedState = require("./sharedState");

var _setupContextUtils = require("./setupContextUtils");

var _parseDependency = _interopRequireDefault(require("../../util/parseDependency"));

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

let configPathCache = new _quickLru.default({
  maxSize: 100
});
let candidateFilesCache = new WeakMap();

function getCandidateFiles(context, tailwindConfig) {
  if (candidateFilesCache.has(context)) {
    return candidateFilesCache.get(context);
  }

  let purgeContent = Array.isArray(tailwindConfig.purge) ? tailwindConfig.purge : tailwindConfig.purge.content;
  let candidateFiles = purgeContent.filter(item => typeof item === 'string').map(purgePath => (0, _normalizePath.default)(_path.default.resolve(purgePath)));
  return candidateFilesCache.set(context, candidateFiles).get(context);
} // Get the config object based on a path


function getTailwindConfig(configOrPath) {
  let userConfigPath = (0, _resolveConfigPath.default)(configOrPath);

  if (userConfigPath !== null) {
    let [prevConfig, prevConfigHash, prevDeps, prevModified] = configPathCache.get(userConfigPath) || [];
    let newDeps = (0, _getModuleDependencies.default)(userConfigPath).map(dep => dep.file);
    let modified = false;
    let newModified = new Map();

    for (let file of newDeps) {
      let time = _fs.default.statSync(file).mtimeMs;

      newModified.set(file, time);

      if (!prevModified || !prevModified.has(file) || time > prevModified.get(file)) {
        modified = true;
      }
    } // It hasn't changed (based on timestamps)


    if (!modified) {
      return [prevConfig, userConfigPath, prevConfigHash, prevDeps];
    } // It has changed (based on timestamps), or first run


    for (let file of newDeps) {
      delete require.cache[file];
    }

    let newConfig = (0, _resolveConfig.default)(require(userConfigPath));
    let newHash = (0, _hashConfig.default)(newConfig);
    configPathCache.set(userConfigPath, [newConfig, newHash, newDeps, newModified]);
    return [newConfig, userConfigPath, newHash, newDeps];
  } // It's a plain object, not a path


  let newConfig = (0, _resolveConfig.default)(configOrPath.config === undefined ? configOrPath : configOrPath.config);
  return [newConfig, null, (0, _hashConfig.default)(newConfig), []];
}

function resolvedChangedContent(context, candidateFiles, fileModifiedMap) {
  var _context$tailwindConf, _context$tailwindConf2;

  let changedContent = (Array.isArray(context.tailwindConfig.purge) ? context.tailwindConfig.purge : context.tailwindConfig.purge.content).filter(item => typeof item.raw === 'string').concat(((_context$tailwindConf = (_context$tailwindConf2 = context.tailwindConfig.purge) === null || _context$tailwindConf2 === void 0 ? void 0 : _context$tailwindConf2.safelist) !== null && _context$tailwindConf !== void 0 ? _context$tailwindConf : []).map(content => {
    if (typeof content === 'string') {
      return {
        raw: content,
        extension: 'html'
      };
    }

    if (content instanceof RegExp) {
      throw new Error("Values inside 'purge.safelist' can only be of type 'string', found 'regex'.");
    }

    throw new Error(`Values inside 'purge.safelist' can only be of type 'string', found '${typeof content}'.`);
  })).map(({
    raw,
    extension
  }) => ({
    content: raw,
    extension
  }));

  for (let changedFile of resolveChangedFiles(candidateFiles, fileModifiedMap)) {
    let content = _fs.default.readFileSync(changedFile, 'utf8');

    let extension = _path.default.extname(changedFile).slice(1);

    changedContent.push({
      content,
      extension
    });
  }

  return changedContent;
}

function resolveChangedFiles(candidateFiles, fileModifiedMap) {
  let changedFiles = new Set();
  _sharedState.env.DEBUG && console.time('Finding changed files');

  let files = _fastGlob.default.sync(candidateFiles);

  for (let file of files) {
    let prevModified = fileModifiedMap.has(file) ? fileModifiedMap.get(file) : -Infinity;

    let modified = _fs.default.statSync(file).mtimeMs;

    if (modified > prevModified) {
      changedFiles.add(file);
      fileModifiedMap.set(file, modified);
    }
  }

  _sharedState.env.DEBUG && console.timeEnd('Finding changed files');
  return changedFiles;
} // DISABLE_TOUCH = TRUE
// Retrieve an existing context from cache if possible (since contexts are unique per
// source path), or set up a new one (including setting up watchers and registering
// plugins) then return it


function setupTrackingContext(configOrPath) {
  return ({
    tailwindDirectives,
    registerDependency
  }) => {
    return (root, result) => {
      let [tailwindConfig, userConfigPath, tailwindConfigHash, configDependencies] = getTailwindConfig(configOrPath);
      let contextDependencies = new Set(configDependencies); // If there are no @tailwind rules, we don't consider this CSS file or it's dependencies
      // to be dependencies of the context. Can reuse the context even if they change.
      // We may want to think about `@layer` being part of this trigger too, but it's tough
      // because it's impossible for a layer in one file to end up in the actual @tailwind rule
      // in another file since independent sources are effectively isolated.

      if (tailwindDirectives.size > 0) {
        // Add current css file as a context dependencies.
        contextDependencies.add(result.opts.from); // Add all css @import dependencies as context dependencies.

        for (let message of result.messages) {
          if (message.type === 'dependency') {
            contextDependencies.add(message.file);
          }
        }
      }

      let [context] = (0, _setupContextUtils.getContext)(tailwindDirectives, root, result, tailwindConfig, userConfigPath, tailwindConfigHash, contextDependencies);
      let candidateFiles = getCandidateFiles(context, tailwindConfig); // If there are no @tailwind rules, we don't consider this CSS file or it's dependencies
      // to be dependencies of the context. Can reuse the context even if they change.
      // We may want to think about `@layer` being part of this trigger too, but it's tough
      // because it's impossible for a layer in one file to end up in the actual @tailwind rule
      // in another file since independent sources are effectively isolated.

      if (tailwindDirectives.size > 0) {
        let fileModifiedMap = (0, _setupContextUtils.getFileModifiedMap)(context); // Add template paths as postcss dependencies.

        for (let fileOrGlob of candidateFiles) {
          registerDependency((0, _parseDependency.default)(fileOrGlob));
        }

        for (let changedContent of resolvedChangedContent(context, candidateFiles, fileModifiedMap)) {
          context.changedContent.push(changedContent);
        }
      }

      for (let file of configDependencies) {
        registerDependency({
          type: 'dependency',
          file
        });
      }

      return context;
    };
  };
}

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