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[IMP] app: small scale perf improvement

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This commit is contained in:
Géry Debongnie
2022-06-09 13:29:28 +02:00
committed by Sam Degueldre
parent 0e6059467f
commit d046913a01
3 changed files with 27 additions and 25 deletions
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src/runtime/template_helpers.ts
+9 -6
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@@ -5,6 +5,7 @@ import { isOptional, validateSchema } from "./validation";
import type { ComponentConstructor } from "./component";
import { markRaw } from "./reactivity";
const ObjectCreate = Object.create;
/**
* This file contains utility functions that will be injected in each template,
* to perform various useful tasks in the compiled code.
@@ -26,7 +27,7 @@ function callSlot(
key = key + "__slot_" + name;
const slots = ctx.props.slots || {};
const { __render, __ctx, __scope } = slots[name] || {};
const slotScope = Object.create(__ctx || {});
const slotScope = ObjectCreate(__ctx || {});
if (__scope) {
slotScope[__scope] = extra;
}
@@ -46,7 +47,7 @@ function callSlot(
function capture(ctx: any): any {
const component = ctx.__owl__.component;
const result = Object.create(component);
const result = ObjectCreate(component);
for (let k in ctx) {
result[k] = ctx[k];
}
@@ -161,18 +162,20 @@ export function safeOutput(value: any): ReturnType<typeof toggler> {
}
let boundFunctions = new WeakMap();
const WeakMapGet = WeakMap.prototype.get;
const WeakMapSet = WeakMap.prototype.set;
function bind(ctx: any, fn: Function): Function {
let component = ctx.__owl__.component;
let boundFnMap = boundFunctions.get(component);
let boundFnMap = WeakMapGet.call(boundFunctions, component);
if (!boundFnMap) {
boundFnMap = new WeakMap();
boundFunctions.set(component, boundFnMap);
WeakMapSet.call(boundFunctions, component, boundFnMap);
}
let boundFn = boundFnMap.get(fn);
let boundFn = WeakMapGet.call(boundFnMap, fn);
if (!boundFn) {
boundFn = fn.bind(component);
boundFnMap.set(fn, boundFn);
WeakMapSet.call(boundFnMap, fn, boundFn);
}
return boundFn;
}