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refactor(compiler): expose template parser phases (#12210)

This commit is contained in:
Chuck Jazdzewski 2016-10-11 15:45:27 -07:00 committed by Tobias Bosch
parent e6e007e2f1
commit 12ba62e5e2
1 changed files with 30 additions and 16 deletions
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46
modules/@angular/compiler/src/template_parser/template_parser.ts
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@ -118,22 +118,18 @@ export class TemplateParser {
component: CompileDirectiveMetadata, template: string, directives: CompileDirectiveMetadata[],
pipes: CompilePipeMetadata[], schemas: SchemaMetadata[],
templateUrl: string): TemplateParseResult {
let interpolationConfig: any;
if (component.template) {
interpolationConfig = InterpolationConfig.fromArray(component.template.interpolation);
}
let htmlAstWithErrors =
this._htmlParser.parse(template, templateUrl, true, interpolationConfig);
const errors: ParseError[] = htmlAstWithErrors.errors;
let result: TemplateAst[];
if (errors.length == 0) {
// Transform ICU messages to angular directives
const expandedHtmlAst = expandNodes(htmlAstWithErrors.rootNodes);
errors.push(...expandedHtmlAst.errors);
htmlAstWithErrors = new ParseTreeResult(expandedHtmlAst.nodes, errors);
}
return this.tryParseHtml(
this.expandHtml(this._htmlParser.parse(
template, templateUrl, true, this.getInterpolationConfig(component))),
component, template, directives, pipes, schemas, templateUrl);
}
tryParseHtml(
htmlAstWithErrors: ParseTreeResult, component: CompileDirectiveMetadata, template: string,
directives: CompileDirectiveMetadata[], pipes: CompilePipeMetadata[],
schemas: SchemaMetadata[], templateUrl: string): TemplateParseResult {
var result: TemplateAst[];
var errors = htmlAstWithErrors.errors;
if (htmlAstWithErrors.rootNodes.length > 0) {
const uniqDirectives = removeIdentifierDuplicates(directives);
const uniqPipes = removeIdentifierDuplicates(pipes);
@ -147,7 +143,6 @@ export class TemplateParser {
} else {
result = [];
}
this._assertNoReferenceDuplicationOnTemplate(result, errors);
if (errors.length > 0) {
@ -162,6 +157,24 @@ export class TemplateParser {
return new TemplateParseResult(result, errors);
}
expandHtml(htmlAstWithErrors: ParseTreeResult, forced: boolean = false): ParseTreeResult {
const errors: ParseError[] = htmlAstWithErrors.errors;
if (errors.length == 0 || forced) {
// Transform ICU messages to angular directives
const expandedHtmlAst = expandNodes(htmlAstWithErrors.rootNodes);
errors.push(...expandedHtmlAst.errors);
htmlAstWithErrors = new ParseTreeResult(expandedHtmlAst.nodes, errors);
}
return htmlAstWithErrors;
}
getInterpolationConfig(component: CompileDirectiveMetadata): InterpolationConfig {
if (component.template) {
return InterpolationConfig.fromArray(component.template.interpolation);
}
}
/** @internal */
_assertNoReferenceDuplicationOnTemplate(result: TemplateAst[], errors: TemplateParseError[]):
void {
@ -443,6 +456,7 @@ class TemplateParseVisitor implements html.Visitor {
providerContext.transformedDirectiveAsts, providerContext.transformProviders,
providerContext.transformedHasViewContainer, children,
hasInlineTemplates ? null : ngContentIndex, element.sourceSpan, element.endSourceSpan);
this._findComponentDirectives(directiveAsts)
.forEach(
componentDirectiveAst => this._validateElementAnimationInputOutputs(