Unified Diff: lib/common.js
Issue 29780560:
Issue 6665 - Optimize element hiding emulation filter lookups (Closed)
Base URL: https://hg.adblockplus.org/adblockpluscore/
Patch Set: Use String.indexOf for subdomains
Created May 14, 2018, 2:22 a.m.
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| Index: lib/common.js |
| =================================================================== |
| --- a/lib/common.js |
| +++ b/lib/common.js |
| @@ -96,8 +96,27 @@ |
| } |
| } |
| selectors.push(selector.substring(start)); |
| return selectors; |
| } |
| exports.splitSelector = splitSelector; |
| + |
| +/** |
| + * Yields subdomains of a domain |
| + * @param {string} domain |
| + * @yields {string} |
| + */ |
| +function* subdomains(domain) |
| +{ |
| + while (true) |
| + { |
| + let index = domain.indexOf("."); |
| + if (index == -1) |
| + break; |
| + |
| + yield domain = domain.substring(index + 1); |
| + } |
| +} |
| + |
| +exports.subdomains = subdomains; |
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