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perf(ivy): remove unused argument in hostBindings function (#34969)

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We had some logic for generating and passing in the `elIndex` parameter into the `hostBindings` function, but it wasn't actually being used for anything. The only place left that had a reference to it was the `StylingBuilder` and it only stored it without referencing it again.

PR Close #34969
This commit is contained in:
Kristiyan Kostadinov
2020-01-25 12:38:42 +01:00
committed by Andrew Kushnir
parent 7069a83727
commit 304584c291
13 changed files with 54 additions and 66 deletions
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12
packages/compiler/src/render3/view/compiler.ts
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@ -63,7 +63,7 @@ function baseDirectiveFields(
'viewQuery', createViewQueriesFunction(meta.viewQueries, constantPool, meta.name));
}
// e.g. `hostBindings: (rf, ctx, elIndex) => { ... }
// e.g. `hostBindings: (rf, ctx) => { ... }
definitionMap.set(
'hostBindings', createHostBindingsFunction(
meta.host, meta.typeSourceSpan, bindingParser, constantPool,
@ -530,9 +530,8 @@ function createHostBindingsFunction(
hostBindingsMetadata: R3HostMetadata, typeSourceSpan: ParseSourceSpan,
bindingParser: BindingParser, constantPool: ConstantPool, selector: string, name: string,
definitionMap: DefinitionMap): o.Expression|null {
const elVarExp = o.variable('elIndex');
const bindingContext = o.variable(CONTEXT_NAME);
const styleBuilder = new StylingBuilder(elVarExp, bindingContext);
const styleBuilder = new StylingBuilder(bindingContext);
const {styleAttr, classAttr} = hostBindingsMetadata.specialAttributes;
if (styleAttr !== undefined) {
@ -698,11 +697,8 @@ function createHostBindingsFunction(
statements.push(renderFlagCheckIfStmt(core.RenderFlags.Update, updateStatements));
}
return o.fn(
[
new o.FnParam(RENDER_FLAGS, o.NUMBER_TYPE), new o.FnParam(CONTEXT_NAME, null),
new o.FnParam(elVarExp.name !, o.NUMBER_TYPE)
],
statements, o.INFERRED_TYPE, null, hostBindingsFnName);
[new o.FnParam(RENDER_FLAGS, o.NUMBER_TYPE), new o.FnParam(CONTEXT_NAME, null)], statements,
o.INFERRED_TYPE, null, hostBindingsFnName);
}
return null;