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authorJoel Kronqvist <work.joelkronqvist@pm.me>2022-03-11 20:46:06 +0200
committerJoel Kronqvist <work.joelkronqvist@pm.me>2022-03-11 20:46:06 +0200
commit080c5819d87b933816d724a83f3bf4f1686770a7 (patch)
tree4a2ccc68b27edf7d4cbc586c932cc7542b655e19 /node_modules/to-fast-properties/index.js
parent5ac7049a9d30733165cc212dee308163c2a14644 (diff)
parentd003b82235a9329f912522a2f70aa950dfce4998 (diff)
downloadLYLLRuoka-080c5819d87b933816d724a83f3bf4f1686770a7.tar.gz
LYLLRuoka-080c5819d87b933816d724a83f3bf4f1686770a7.zip
Merge branch 'master' of https://github.com/JoelHMikael/FoodJS
Updating remote changes
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+'use strict';
+
+let fastProto = null;
+
+// Creates an object with permanently fast properties in V8. See Toon Verwaest's
+// post https://medium.com/@tverwaes/setting-up-prototypes-in-v8-ec9c9491dfe2#5f62
+// for more details. Use %HasFastProperties(object) and the Node.js flag
+// --allow-natives-syntax to check whether an object has fast properties.
+function FastObject(o) {
+ // A prototype object will have "fast properties" enabled once it is checked
+ // against the inline property cache of a function, e.g. fastProto.property:
+ // https://github.com/v8/v8/blob/6.0.122/test/mjsunit/fast-prototype.js#L48-L63
+ if (fastProto !== null && typeof fastProto.property) {
+ const result = fastProto;
+ fastProto = FastObject.prototype = null;
+ return result;
+ }
+ fastProto = FastObject.prototype = o == null ? Object.create(null) : o;
+ return new FastObject;
+}
+
+// Initialize the inline property cache of FastObject
+FastObject();
+
+module.exports = function toFastproperties(o) {
+ return FastObject(o);
+};