diff options
author | isaacs <i@izs.me> | 2020-07-23 20:58:04 +0300 |
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committer | isaacs <i@izs.me> | 2020-07-29 21:53:42 +0300 |
commit | ad5e07d8bd86d1dbe2b03dc142f8c8d6f4828ffe (patch) | |
tree | 97b66f97d77f35774f10a5e3e9957b1897d150bb /node_modules/es-abstract/2017/OrdinarySetPrototypeOf.js | |
parent | a16994cfdd2f255016f3d8ee60d03473d80eabd8 (diff) |
Full dependency reboot
Reinstall everything from a clean node_modules and package-lock.json
state.
Re-generate list of bundleDependencies and node_modules/.gitignore with
a script that does the right thing based on actual dependency state.
Diffstat (limited to 'node_modules/es-abstract/2017/OrdinarySetPrototypeOf.js')
-rw-r--r-- | node_modules/es-abstract/2017/OrdinarySetPrototypeOf.js | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/node_modules/es-abstract/2017/OrdinarySetPrototypeOf.js b/node_modules/es-abstract/2017/OrdinarySetPrototypeOf.js new file mode 100644 index 000000000..3541331ca --- /dev/null +++ b/node_modules/es-abstract/2017/OrdinarySetPrototypeOf.js @@ -0,0 +1,53 @@ +'use strict'; + +var GetIntrinsic = require('../GetIntrinsic'); + +var $TypeError = GetIntrinsic('%TypeError%'); + +var $setProto = require('../helpers/setProto'); + +var OrdinaryGetPrototypeOf = require('./OrdinaryGetPrototypeOf'); +var Type = require('./Type'); + +// https://ecma-international.org/ecma-262/7.0/#sec-ordinarysetprototypeof + +module.exports = function OrdinarySetPrototypeOf(O, V) { + if (Type(V) !== 'Object' && Type(V) !== 'Null') { + throw new $TypeError('Assertion failed: V must be Object or Null'); + } + /* + var extensible = IsExtensible(O); + var current = OrdinaryGetPrototypeOf(O); + if (SameValue(V, current)) { + return true; + } + if (!extensible) { + return false; + } + */ + try { + $setProto(O, V); + } catch (e) { + return false; + } + return OrdinaryGetPrototypeOf(O) === V; + /* + var p = V; + var done = false; + while (!done) { + if (p === null) { + done = true; + } else if (SameValue(p, O)) { + return false; + } else { + if (wat) { + done = true; + } else { + p = p.[[Prototype]]; + } + } + } + O.[[Prototype]] = V; + return true; + */ +}; |