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fix #2656

This commit is contained in:
gorhill 2017-05-27 14:31:46 -04:00
parent e425290c8f
commit 9a4681d4e1
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1 changed files with 5 additions and 1 deletions
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6
src/js/utils.js
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@ -285,6 +285,9 @@
// longer needed. A timer will be used for self-garbage-collect. // longer needed. A timer will be used for self-garbage-collect.
// Cleaning up 10s after last hit sounds reasonable. // Cleaning up 10s after last hit sounds reasonable.
// https://github.com/gorhill/uBlock/issues/2656
// Can't use chained calls if we want to support legacy Map().
µBlock.stringDeduplicater = { µBlock.stringDeduplicater = {
strings: new Map(), strings: new Map(),
timer: undefined, timer: undefined,
@ -293,7 +296,8 @@
lookup: function(s) { lookup: function(s) {
var t = this.strings.get(s); var t = this.strings.get(s);
if ( t === undefined ) { if ( t === undefined ) {
t = this.strings.set(s, s).get(s); this.strings.set(s, s);
t = this.strings.get(s);
if ( this.timer === undefined ) { this.cleanupAsync(); } if ( this.timer === undefined ) { this.cleanupAsync(); }
} }
this.last = Date.now(); this.last = Date.now();