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| author | wolfbeast <mcwerewolf@gmail.com> | 2018-06-07 13:21:06 +0200 |
|---|---|---|
| committer | wolfbeast <mcwerewolf@gmail.com> | 2018-06-07 13:26:01 +0200 |
| commit | 240f52db8e97c9c65592771ddffb6efbdd210c15 (patch) | |
| tree | c45e426238784ed96f7f6a3583e865fd4d048fe8 | |
| parent | c8f1b9fc6c1c86674148b5875c1eb27335899b35 (diff) | |
| download | uxp-240f52db8e97c9c65592771ddffb6efbdd210c15.tar.gz | |
Reinstate string.prototype.contains()
This adds a compatibility function aliased to string.prototype.includes().
| -rw-r--r-- | js/src/jsstr.cpp | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/js/src/jsstr.cpp b/js/src/jsstr.cpp index 01b4076262..4151d012b6 100644 --- a/js/src/jsstr.cpp +++ b/js/src/jsstr.cpp @@ -1534,7 +1534,7 @@ RopeMatch(JSContext* cx, JSRope* text, JSLinearString* pat, int* match) return true; } -/* ES6 draft rc4 21.1.3.7. */ +/* ES6 2015 ST 21.1.3.7 String.prototype.includes */ bool js::str_includes(JSContext* cx, unsigned argc, Value* vp) { @@ -1591,6 +1591,13 @@ js::str_includes(JSContext* cx, unsigned argc, Value* vp) return true; } +/* ES6 draft <RC4 String.prototype.contains for compatibility */ +bool +js::str_contains(JSContext* cx, unsigned argc, Value* vp) +{ + return js::str_includes(cx, argc, vp); +} + /* ES6 20120927 draft 15.5.4.7. */ bool js::str_indexOf(JSContext* cx, unsigned argc, Value* vp) @@ -2555,6 +2562,7 @@ static const JSFunctionSpec string_methods[] = { JS_SELF_HOSTED_FN("padEnd", "String_pad_end", 2,0), JS_SELF_HOSTED_FN("codePointAt", "String_codePointAt", 1,0), JS_FN("includes", str_includes, 1,0), + JS_FN("contains", str_contains, 1,0), JS_FN("indexOf", str_indexOf, 1,0), JS_FN("lastIndexOf", str_lastIndexOf, 1,0), JS_FN("startsWith", str_startsWith, 1,0), |