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perf(compiler): introduce direct rendering

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This allows to attach / detach embedded views and projected nodes
in a faster way.
This commit is contained in:
Tobias Bosch
2016-11-02 17:54:05 -07:00
committed by vikerman
parent d708a8859c
commit 9c23884da4
9 changed files with 211 additions and 20 deletions
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14
modules/@angular/compiler/src/view_compiler/view_builder.ts
View File

@ -156,13 +156,7 @@ class ViewBuilderVisitor implements TemplateAstVisitor {
var parentRenderNode = this._getParentRenderNode(parent);
if (parentRenderNode !== o.NULL_EXPR) {
this.view.createMethod.addStmt(
ViewProperties.renderer
.callMethod(
'projectNodes',
[
parentRenderNode,
o.THIS_EXPR.callMethod('projectedNodes', [o.literal(ast.index)])
])
o.THIS_EXPR.callMethod('projectNodes', [parentRenderNode, o.literal(ast.index)])
.toStmt());
} else if (this._isRootNode(parent)) {
if (this.view.viewType !== ViewType.COMPONENT) {
@ -533,13 +527,17 @@ function generateCreateMethod(view: CompileView): o.Statement[] {
} else {
resultExpr = o.NULL_EXPR;
}
let allNodesExpr: o.Expression =
ViewProperties.renderer.prop('directRenderer')
.conditional(o.NULL_EXPR, o.literalArr(view.nodes.map(node => node.renderNode)));
return parentRenderNodeStmts.concat(view.createMethod.finish(), [
o.THIS_EXPR
.callMethod(
'init',
[
view.lastRenderNode,
o.literalArr(view.nodes.map(node => node.renderNode)),
allNodesExpr,
view.disposables.length ? o.literalArr(view.disposables) : o.NULL_EXPR,
])
.toStmt(),