aleleba/effectcraft
1
0
Fork 0
mirror of https://github.com/storytold/effectcraft.git synced 2026-10-30 13:08:07 -06:00
Code Issues Packages Projects Releases Wiki Activity

Expressions: an expression can't change the prelude for the evaluations after it

Browse Source
This commit is contained in:
tylerjenningsw
2026-10-27 14:04:10 -04:00
parent 0860c7e03d
commit b2fb5f4e5f
1 changed files with 29 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files
crates/expr/src/prelude.js
+29 -6
View File
@@ -563,12 +563,15 @@ function Layer(c, l) {
// Layer `l` of comp `c`, made once per runtime: a callable Layer is dearer to make than a plain
// object, so it is kept, and its info (`__info`) is read again in each evaluation.
var __layers = {};
function __layer(c, l) {
// By comp, then layer: a `c + ':' + l` key costs more to build than the lookup saves.
var m = __layers[c] || (__layers[c] = {});
return m[l] || (m[l] = new Layer(c, l));
}
// The kept layers are out of an expression's reach.
var __layer = (function () {
var layers = {};
return function (c, l) {
// By comp, then layer: a `c + ':' + l` key costs more to build than the lookup saves.
var m = layers[c] || (layers[c] = {});
return m[l] || (m[l] = new Layer(c, l));
};
})();
function __m3(m, p) {
var x = p[0] || 0, y = p[1] || 0;
@@ -1099,3 +1102,23 @@ function velocityAtTime(t) { return thisProperty.velocityAtTime(t); }
function speedAtTime(t) { return thisProperty.speedAtTime(t); }
function key(n) { return thisProperty.key(n); }
function nearestKey(t) { return thisProperty.nearestKey(t); }
// ---------------------------------------------------------------------------------------------
// The runtime runs this file once and keeps it for the thread's later evaluations, so an
// expression can't change the object model or the internals: the prototypes are frozen, and the
// `__` globals, the constructors and `thisProject` can't be reassigned. The `__` state below is
// set again by `__begin` in each evaluation.
[Comp, Footage, Layer, Prop, Markers, __Path, __TextStyle].forEach(function (f) {
Object.freeze(f.prototype);
Object.freeze(f);
});
[__GroupProto, __groupHandler, __propHandler, thisProject].forEach(Object.freeze);
(function () {
var perEvaluation = { __S: true, __rc: true, __seed: true, __timeless: true, __projectInfo: true };
var model = { Comp: true, Footage: true, Layer: true, Prop: true, Markers: true, thisProject: true };
Object.getOwnPropertyNames(globalThis).forEach(function (k) {
if (!(k.slice(0, 2) === '__' && !perEvaluation[k]) && !model[k]) return;
if ('value' in Object.getOwnPropertyDescriptor(globalThis, k)) Object.defineProperty(globalThis, k, { writable: false, configurable: false });
});
})();