postcss-scopify

<!doctype html> <html lang="en"> <head> <title>Code coverage report for postcss-scopify/index.js</title> <meta charset="utf-8" /> <link rel="stylesheet" href="../prettify.css" /> <link rel="stylesheet" href="../base.css" /> <meta name="viewport" content="width=device-width, initial-scale=1"> <style type='text/css'> .coverage-summary .sorter { background-image: url(../sort-arrow-sprite.png); } </style> </head> <body> <div class='wrapper'> <div class='pad1'> <h1> <a href="../index.html">all files</a> / <a href="index.html">postcss-scopify/</a> index.js </h1> <div class='clearfix'> <div class='fl pad1y space-right2'> 100% Statements 36/36 </div> <div class='fl pad1y space-right2'> 100% Branches 23/23 </div> <div class='fl pad1y space-right2'> 100% Functions 1/1 </div> <div class='fl pad1y space-right2'> 100% Lines 36/36 </div> </div> </div> <div class='status-line high'></div> <pre><table class="coverage"> <tr><td class="line-count quiet">1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96</td><td class="line-coverage quiet">    1×   1× 2×                 1× 39× 39×               1× 12× 2×   10×               1× 44× 16×   28×                 1× 12× 10× 2× 1×   1×     1× 12×     12×   12× 3×   9×     44× 13×     31× 39× 5×       34× 12×     22×                 1× 1×  </td><td class="text"><pre class="prettyprint lang-js">'use strict';   const conditionalGroupRules = ['media','supports','document'];   const isObject = item => { return item != null && typeof item === 'object' && Array.isArray(item) === false; }   /** * Determine if selector is already scoped * * @param {string} selector * @param {string} scope */ const isScopeApplied = (selector, scope) => { const selectorTopScope = selector.split(" ",1)[0]; return selectorTopScope === scope; }   /** * Determine if scope is valid * * @param {string} scope */ const isValidScope = scope => { if (!scope){ return false; } return scope.indexOf(',') === -1; }   /** * Determine if rule should be scoped * * @param {Rule} rule */ const isRuleScopable = rule => { if(rule.parent.type !== 'root') { return rule.parent.type === 'atrule' && conditionalGroupRules.indexOf(rule.parent.name) > -1; } else { return true; } }   /** * extract the scope from the input given by caller * * @param {string | Record<string, string>} options */ const extractScope = (options) => { if (typeof options === 'string') { return options; } else if (isObject(options) && options.scope) { return options.scope } return null; }   const scopify = (options) => { return { postcssPlugin: 'postcss-scopify', Once (root, { result }) { const scope = extractScope(options); // guard statment- allow only valid scopes if(!isValidScope(scope)){ throw root.error('invalid scope', { plugin: 'postcss-scopify' }); } root.walkRules(rule => {   // skip scoping of special rules (certain At-rules, nested, etc') if(!isRuleScopable(rule)){ return rule; }   rule.selectors = rule.selectors.map(selector => { if (isScopeApplied(selector,scope)) { return selector; }   // special case for a top level '&' selector, resolves to scope if (selector.includes('&')) { return selector.replace(/&/g, scope); }   return scope + ' ' + selector;   }); }); }, }; }     module.exports = scopify; module.exports.postcss = true;  </pre></td></tr> </table></pre> <div class='push'></div> </div> <div class='footer quiet pad2 space-top1 center small'> Code coverage generated by <a href="http://istanbul-js.org/" target="_blank">istanbul</a> at Fri Jul 26 2024 00:15:21 GMT-0600 (Mountain Daylight Time) </div> </div> <script src="../prettify.js"></script> <script> window.onload = function () { if (typeof prettyPrint === 'function') { prettyPrint(); } }; </script> <script src="../sorter.js"></script> </body> </html>