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

"use strict";

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

var _postcss = _interopRequireDefault(require("postcss"));

var _postcssSelectorParser = _interopRequireDefault(require("postcss-selector-parser"));

var _parseObjectStyles = _interopRequireDefault(require("../../util/parseObjectStyles"));

var _isPlainObject = _interopRequireDefault(require("../../util/isPlainObject"));

var _prefixSelector = _interopRequireDefault(require("../../util/prefixSelector"));

var _pluginUtils = require("../../util/pluginUtils");

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

let classNameParser = (0, _postcssSelectorParser.default)(selectors => {
  return selectors.first.filter(({
    type
  }) => type === 'class').pop().value;
});

function getClassNameFromSelector(selector) {
  return classNameParser.transformSync(selector);
} // Generate match permutations for a class candidate, like:
// ['ring-offset-blue', '100']
// ['ring-offset', 'blue-100']
// ['ring', 'offset-blue-100']
// Example with dynamic classes:
// ['grid-cols', '[[linename],1fr,auto]']
// ['grid', 'cols-[[linename],1fr,auto]']


function* candidatePermutations(candidate, lastIndex = Infinity) {
  if (lastIndex < 0) {
    return;
  }

  let dashIdx;

  if (lastIndex === Infinity && candidate.endsWith(']')) {
    let bracketIdx = candidate.indexOf('['); // If character before `[` isn't a dash or a slash, this isn't a dynamic class
    // eg. string[]

    dashIdx = ['-', '/'].includes(candidate[bracketIdx - 1]) ? bracketIdx - 1 : -1;
  } else {
    dashIdx = candidate.lastIndexOf('-', lastIndex);
  }

  if (dashIdx < 0) {
    return;
  }

  let prefix = candidate.slice(0, dashIdx);
  let modifier = candidate.slice(dashIdx + 1);
  yield [prefix, modifier];
  yield* candidatePermutations(candidate, dashIdx - 1);
}

function applyPrefix(matches, context) {
  if (matches.length === 0 || context.tailwindConfig.prefix === '') {
    return matches;
  }

  for (let match of matches) {
    let [meta] = match;

    if (meta.options.respectPrefix) {
      let container = _postcss.default.root({
        nodes: [match[1].clone()]
      });

      container.walkRules(r => {
        r.selector = (0, _prefixSelector.default)(context.tailwindConfig.prefix, r.selector);
      });
      match[1] = container.nodes[0];
    }
  }

  return matches;
}

function applyImportant(matches) {
  if (matches.length === 0) {
    return matches;
  }

  let result = [];

  for (let [meta, rule] of matches) {
    let container = _postcss.default.root({
      nodes: [rule.clone()]
    });

    container.walkRules(r => {
      r.selector = (0, _pluginUtils.updateAllClasses)(r.selector, className => {
        return `!${className}`;
      });
      r.walkDecls(d => d.important = true);
    });
    result.push([{ ...meta,
      important: true
    }, container.nodes[0]]);
  }

  return result;
} // Takes a list of rule tuples and applies a variant like `hover`, sm`,
// whatever to it. We used to do some extra caching here to avoid generating
// a variant of the same rule more than once, but this was never hit because
// we cache at the entire selector level further up the tree.
//
// Technically you can get a cache hit if you have `hover:focus:text-center`
// and `focus:hover:text-center` in the same project, but it doesn't feel
// worth the complexity for that case.


function applyVariant(variant, matches, context) {
  if (matches.length === 0) {
    return matches;
  }

  if (context.variantMap.has(variant)) {
    let variantFunctionTuples = context.variantMap.get(variant);
    let result = [];

    for (let [meta, rule] of matches) {
      if (meta.options.respectVariants === false) {
        result.push([meta, rule]);
        continue;
      }

      let container = _postcss.default.root({
        nodes: [rule.clone()]
      });

      for (let [variantSort, variantFunction] of variantFunctionTuples) {
        let clone = container.clone();

        function modifySelectors(modifierFunction) {
          clone.each(rule => {
            if (rule.type !== 'rule') {
              return;
            }

            rule.selectors = rule.selectors.map(selector => {
              return modifierFunction({
                get className() {
                  return getClassNameFromSelector(selector);
                },

                selector
              });
            });
          });
          return clone;
        }

        let ruleWithVariant = variantFunction({
          container: clone,
          separator: context.tailwindConfig.separator,
          modifySelectors
        });

        if (ruleWithVariant === null) {
          continue;
        }

        let withOffset = [{ ...meta,
          sort: variantSort | meta.sort
        }, clone.nodes[0]];
        result.push(withOffset);
      }
    }

    return result;
  }

  return [];
}

function parseRules(rule, cache, options = {}) {
  // PostCSS node
  if (!(0, _isPlainObject.default)(rule) && !Array.isArray(rule)) {
    return [[rule], options];
  } // Tuple


  if (Array.isArray(rule)) {
    return parseRules(rule[0], cache, rule[1]);
  } // Simple object


  if (!cache.has(rule)) {
    cache.set(rule, (0, _parseObjectStyles.default)(rule));
  }

  return [cache.get(rule), options];
}

function* resolveMatchedPlugins(classCandidate, context) {
  if (context.candidateRuleMap.has(classCandidate)) {
    yield [context.candidateRuleMap.get(classCandidate), 'DEFAULT'];
  }

  let candidatePrefix = classCandidate;
  let negative = false;
  const twConfigPrefix = context.tailwindConfig.prefix || '';
  const twConfigPrefixLen = twConfigPrefix.length;

  if (candidatePrefix[twConfigPrefixLen] === '-') {
    negative = true;
    candidatePrefix = twConfigPrefix + candidatePrefix.slice(twConfigPrefixLen + 1);
  }

  for (let [prefix, modifier] of candidatePermutations(candidatePrefix)) {
    if (context.candidateRuleMap.has(prefix)) {
      yield [context.candidateRuleMap.get(prefix), negative ? `-${modifier}` : modifier];
      return;
    }
  }
}

function splitWithSeparator(input, separator) {
  return input.split(new RegExp(`\\${separator}(?![^[]*\\])`, 'g'));
}

function* resolveMatches(candidate, context) {
  let separator = context.tailwindConfig.separator;
  let [classCandidate, ...variants] = splitWithSeparator(candidate, separator).reverse();
  let important = false;

  if (classCandidate.startsWith('!')) {
    important = true;
    classCandidate = classCandidate.slice(1);
  } // TODO: Reintroduce this in ways that doesn't break on false positives
  // function sortAgainst(toSort, against) {
  //   return toSort.slice().sort((a, z) => {
  //     return bigSign(against.get(a)[0] - against.get(z)[0])
  //   })
  // }
  // let sorted = sortAgainst(variants, context.variantMap)
  // if (sorted.toString() !== variants.toString()) {
  //   let corrected = sorted.reverse().concat(classCandidate).join(':')
  //   throw new Error(`Class ${candidate} should be written as ${corrected}`)
  // }


  for (let matchedPlugins of resolveMatchedPlugins(classCandidate, context)) {
    let matches = [];
    let [plugins, modifier] = matchedPlugins;

    for (let [sort, plugin] of plugins) {
      if (typeof plugin === 'function') {
        for (let ruleSet of [].concat(plugin(modifier))) {
          let [rules, options] = parseRules(ruleSet, context.postCssNodeCache);

          for (let rule of rules) {
            matches.push([{ ...sort,
              options: { ...sort.options,
                ...options
              }
            }, rule]);
          }
        }
      } // Only process static plugins on exact matches
      else if (modifier === 'DEFAULT') {
        let ruleSet = plugin;
        let [rules, options] = parseRules(ruleSet, context.postCssNodeCache);

        for (let rule of rules) {
          matches.push([{ ...sort,
            options: { ...sort.options,
              ...options
            }
          }, rule]);
        }
      }
    }

    matches = applyPrefix(matches, context);

    if (important) {
      matches = applyImportant(matches, context);
    }

    for (let variant of variants) {
      matches = applyVariant(variant, matches, context);
    }

    for (let match of matches) {
      yield match;
    }
  }
}

function inKeyframes(rule) {
  return rule.parent && rule.parent.type === 'atrule' && rule.parent.name === 'keyframes';
}

function generateRules(candidates, context) {
  let allRules = [];

  for (let candidate of candidates) {
    if (context.notClassCache.has(candidate)) {
      continue;
    }

    if (context.classCache.has(candidate)) {
      allRules.push(context.classCache.get(candidate));
      continue;
    }

    let matches = Array.from(resolveMatches(candidate, context));

    if (matches.length === 0) {
      context.notClassCache.add(candidate);
      continue;
    }

    context.classCache.set(candidate, matches);
    allRules.push(matches);
  }

  return allRules.flat(1).map(([{
    sort,
    layer,
    options
  }, rule]) => {
    if (options.respectImportant) {
      if (context.tailwindConfig.important === true) {
        rule.walkDecls(d => {
          if (d.parent.type === 'rule' && !inKeyframes(d.parent)) {
            d.important = true;
          }
        });
      } else if (typeof context.tailwindConfig.important === 'string') {
        let container = _postcss.default.root({
          nodes: [rule.clone()]
        });

        container.walkRules(r => {
          if (inKeyframes(r)) {
            return;
          }

          r.selectors = r.selectors.map(selector => {
            return `${context.tailwindConfig.important} ${selector}`;
          });
        });
        rule = container.nodes[0];
      }
    }

    return [sort | context.layerOrder[layer], rule];
  });
}

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