[compiler] Fewer assumptions about nonmutability when change detection enabled #30180
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…n enabled Summary: Change detection is desgined to determine whether rules of react have been violated, and to do so better we need to loosen Forgets assumptions about what kinds of values don't need to be memoized. For example, the compiler typically doesn't think of `o.x` as something that needs to be memoized, because it does not allocate. However, we want to compare `o.x` in the current render with `o.x` in a previous one, so we now insert a "memoization" (comparison, really) block around this value. [ghstack-poisoned]
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This was referenced Jul 2, 2024
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Comparing: 100dfd7...e1aa6b7 Critical size changesIncludes critical production bundles, as well as any change greater than 2%:
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…ge detection enabled" Summary: Change detection is desgined to determine whether rules of react have been violated, and to do so better we need to loosen Forgets assumptions about what kinds of values don't need to be memoized. For example, the compiler typically doesn't think of `o.x` as something that needs to be memoized, because it does not allocate. However, we want to compare `o.x` in the current render with `o.x` in a previous one, so we now insert a "memoization" (comparison, really) block around this value. [ghstack-poisoned]
…ge detection enabled" Summary: Change detection is desgined to determine whether rules of react have been violated, and to do so better we need to loosen Forgets assumptions about what kinds of values don't need to be memoized. For example, the compiler typically doesn't think of `o.x` as something that needs to be memoized, because it does not allocate. However, we want to compare `o.x` in the current render with `o.x` in a previous one, so we now insert a "memoization" (comparison, really) block around this value. [ghstack-poisoned]
josephsavona
approved these changes
Jul 11, 2024
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Stack from ghstack (oldest at bottom):
Summary: Change detection is desgined to determine whether rules of react have been violated, and to do so better we need to loosen Forgets assumptions about what kinds of values don't need to be memoized. For example, the compiler typically doesn't think of
o.xas something that needs to be memoized, because it does not allocate. However, we want to compareo.xin the current render witho.xin a previous one, so we now insert a "memoization" (comparison, really) block around this value.