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Issue 29780560: Issue 6665 - Optimize element hiding emulation filter lookups (Closed) Base URL: https://hg.adblockplus.org/adblockpluscore/
Patch Set: Created May 13, 2018, 7:28 p.m.
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1 /* 1 /*
2 * This file is part of Adblock Plus <https://adblockplus.org/>, 2 * This file is part of Adblock Plus <https://adblockplus.org/>,
3 * Copyright (C) 2006-present eyeo GmbH 3 * Copyright (C) 2006-present eyeo GmbH
4 * 4 *
5 * Adblock Plus is free software: you can redistribute it and/or modify 5 * Adblock Plus is free software: you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 3 as 6 * it under the terms of the GNU General Public License version 3 as
7 * published by the Free Software Foundation. 7 * published by the Free Software Foundation.
8 * 8 *
9 * Adblock Plus is distributed in the hope that it will be useful, 9 * Adblock Plus is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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48 48
49 return -1; 49 return -1;
50 } 50 }
51 exports.findIndex = findIndex; 51 exports.findIndex = findIndex;
52 52
53 function indexOf(iterable, searchElement) 53 function indexOf(iterable, searchElement)
54 { 54 {
55 return findIndex(iterable, item => item === searchElement); 55 return findIndex(iterable, item => item === searchElement);
56 } 56 }
57 exports.indexOf = indexOf; 57 exports.indexOf = indexOf;
58
59 function* filterIt(iterable, callback, thisArg)
60 {
61 for (let item of iterable)
62 {
63 if (callback.call(thisArg, item))
64 yield item;
65 }
66 }
67 exports.filterIt = filterIt;
68
69 function* mapIt(iterable, callback, thisArg)
70 {
71 for (let item of iterable)
72 yield callback.call(thisArg, item);
73 }
74 exports.mapIt = mapIt;
75
76 function* flattenIt(iterable, callback, thisArg)
77 {
78 for (let item of iterable)
79 yield* item;
80 }
81 exports.flattenIt = flattenIt;
82
83 function* regExpIt(regExp, string)
84 {
85 let match = null;
86 while (match = regExp.exec(string))
87 yield match;
88 }
89 exports.regExpIt = regExpIt;
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