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refactor(animations): uses a loop instead Array.map() which creates and (#19910) 

returns a new array that is discarded.

This pattern will become a compilation error in google3.

PR Close #19910
This commit is contained in:
Bowen Ni 2017-10-24 11:30:37 -07:00 committed by Jason Aden
parent 161f88fe6f
commit 743651f5e8
1 changed files with 2 additions and 2 deletions
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4
packages/animations/browser/src/render/transition_animation_engine.ts
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@ -1225,7 +1225,7 @@ export class TransitionAnimationEngine {
const targetTriggerName: string|undefined =
instruction.isRemovalTransition ? undefined : triggerName;
instruction.timelines.map(timelineInstruction => {
for (const timelineInstruction of instruction.timelines) {
const element = timelineInstruction.element;
const isQueriedElement = element !== rootElement;
const players = getOrSetAsInMap(allPreviousPlayersMap, element, []);
@ -1239,7 +1239,7 @@ export class TransitionAnimationEngine {
player.destroy();
players.push(player);
});
});
}
// this needs to be done so that the PRE/POST styles can be
// computed properly without interfering with the previous animation