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fix(compiler): generated code should pass noUnusedLocals check

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Closes #14797
This commit is contained in:
Tobias Bosch
2017-03-13 11:32:07 -07:00
committed by Chuck Jazdzewski
parent 06fc42bc44
commit 50ab06e29d
11 changed files with 60 additions and 34 deletions
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45
packages/compiler/src/view_compiler/view_compiler.ts
View File

@ -44,24 +44,29 @@ export class ViewCompiler {
const statements: o.Statement[] = [];
const customRenderData: o.LiteralMapEntry[] = [];
if (component.template.animations && component.template.animations.length) {
customRenderData.push(new o.LiteralMapEntry(
'animation', convertValueToOutputAst(component.template.animations), true));
}
let renderComponentVarName: string;
if (!component.isHost) {
const customRenderData: o.LiteralMapEntry[] = [];
if (component.template.animations && component.template.animations.length) {
customRenderData.push(new o.LiteralMapEntry(
'animation', convertValueToOutputAst(component.template.animations), true));
}
const renderComponentVar = o.variable(rendererTypeName(component.type.reference));
statements.push(
renderComponentVar
.set(o.importExpr(createIdentifier(Identifiers.createRendererType2)).callFn([
new o.LiteralMapExpr([
new o.LiteralMapEntry('encapsulation', o.literal(component.template.encapsulation)),
new o.LiteralMapEntry('styles', styles),
new o.LiteralMapEntry('data', new o.LiteralMapExpr(customRenderData))
])
]))
.toDeclStmt(
o.importType(createIdentifier(Identifiers.RendererType2)), [o.StmtModifier.Final]));
const renderComponentVar = o.variable(rendererTypeName(component.type.reference));
renderComponentVarName = renderComponentVar.name;
statements.push(
renderComponentVar
.set(o.importExpr(createIdentifier(Identifiers.createRendererType2))
.callFn([new o.LiteralMapExpr([
new o.LiteralMapEntry(
'encapsulation', o.literal(component.template.encapsulation)),
new o.LiteralMapEntry('styles', styles),
new o.LiteralMapEntry('data', new o.LiteralMapExpr(customRenderData))
])]))
.toDeclStmt(
o.importType(createIdentifier(Identifiers.RendererType2)),
[o.StmtModifier.Final]));
}
const viewBuilderFactory = (parent: ViewBuilder): ViewBuilder => {
const embeddedViewIndex = embeddedViewCount++;
@ -74,7 +79,7 @@ export class ViewCompiler {
statements.push(...visitor.build());
return new ViewCompileResult(statements, visitor.viewName, renderComponentVar.name);
return new ViewCompileResult(statements, visitor.viewName, renderComponentVarName);
}
}
@ -204,7 +209,7 @@ class ViewBuilder implements TemplateAstVisitor, LocalResolver {
let updateFn: o.Expression;
if (updateStmts.length > 0) {
const preStmts: o.Statement[] = [];
if (!this.component.isHost) {
if (!this.component.isHost && o.findReadVarNames(updateStmts).has(COMP_VAR.name)) {
preStmts.push(COMP_VAR.set(VIEW_VAR.prop('component')).toDeclStmt(this.compType));
}
updateFn = o.fn(
@ -835,7 +840,7 @@ class ViewBuilder implements TemplateAstVisitor, LocalResolver {
if (handleEventStmts.length > 0) {
const preStmts: o.Statement[] =
[ALLOW_DEFAULT_VAR.set(o.literal(true)).toDeclStmt(o.BOOL_TYPE)];
if (!this.component.isHost) {
if (!this.component.isHost && o.findReadVarNames(handleEventStmts).has(COMP_VAR.name)) {
preStmts.push(COMP_VAR.set(VIEW_VAR.prop('component')).toDeclStmt(this.compType));
}
handleEventFn = o.fn(