diff options
Diffstat (limited to 'node_modules/to-fast-properties/index.js')
| -rw-r--r-- | node_modules/to-fast-properties/index.js | 27 |
1 files changed, 0 insertions, 27 deletions
diff --git a/node_modules/to-fast-properties/index.js b/node_modules/to-fast-properties/index.js deleted file mode 100644 index 028c88af..00000000 --- a/node_modules/to-fast-properties/index.js +++ /dev/null @@ -1,27 +0,0 @@ -'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); -}; |
