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feat(language-service): support TS2.2 plugin model

This commit is contained in:
Ryan Cavanaugh 2017-01-06 20:43:17 -08:00 committed by Matias Niemelä
parent e5c6bb4286
commit 99aa49ab6c
6 changed files with 149 additions and 85 deletions
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2
modules/@angular/compiler/src/aot/static_reflector.ts
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@ -84,7 +84,7 @@ export class StaticReflector implements ReflectorReader {
const classMetadata = this.getTypeMetadata(type);
if (classMetadata['extends']) {
const parentType = this.simplify(type, classMetadata['extends']);
if (parentType instanceof StaticSymbol) {
if (parentType && (parentType instanceof StaticSymbol)) {
const parentAnnotations = this.annotations(parentType);
annotations.push(...parentAnnotations);
}

5
modules/@angular/language-service/index.ts
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@ -11,11 +11,8 @@
* @description
* Entry point for all public APIs of the language service package.
*/
import {LanguageServicePlugin} from './src/ts_plugin';
export {createLanguageService} from './src/language_service';
export {create} from './src/ts_plugin';
export {Completion, Completions, Declaration, Declarations, Definition, Diagnostic, Diagnostics, Hover, HoverTextSection, LanguageService, LanguageServiceHost, Location, Span, TemplateSource, TemplateSources} from './src/types';
export {TypeScriptServiceHost, createLanguageServiceFromTypescript} from './src/typescript_host';
export {VERSION} from './src/version';
export default LanguageServicePlugin;

10
modules/@angular/language-service/src/language_service.ts
View File

@ -107,8 +107,9 @@ class LanguageServiceImpl implements LanguageService {
getTemplateAst(template: TemplateSource, contextFile: string): AstResult {
let result: AstResult;
try {
const {metadata} =
const resolvedMetadata =
this.metadataResolver.getNonNormalizedDirectiveMetadata(template.type as any);
const metadata = resolvedMetadata && resolvedMetadata.metadata;
if (metadata) {
const rawHtmlParser = new HtmlParser();
const htmlParser = new I18NHtmlParser(rawHtmlParser);
@ -124,9 +125,10 @@ class LanguageServiceImpl implements LanguageService {
ngModule = findSuitableDefaultModule(analyzedModules);
}
if (ngModule) {
const directives = ngModule.transitiveModule.directives.map(
d => this.host.resolver.getNonNormalizedDirectiveMetadata(d.reference)
.metadata.toSummary());
const resolvedDirectives = ngModule.transitiveModule.directives.map(
d => this.host.resolver.getNonNormalizedDirectiveMetadata(d.reference));
const directives =
resolvedDirectives.filter(d => d !== null).map(d => d.metadata.toSummary());
const pipes = ngModule.transitiveModule.pipes.map(
p => this.host.resolver.getOrLoadPipeMetadata(p.reference).toSummary());
const schemas = ngModule.schemas;

170
modules/@angular/language-service/src/ts_plugin.ts
View File

@ -9,67 +9,125 @@
import * as ts from 'typescript';
import {createLanguageService} from './language_service';
import {LanguageService, LanguageServiceHost} from './types';
import {Completion, Diagnostic, LanguageService, LanguageServiceHost} from './types';
import {TypeScriptServiceHost} from './typescript_host';
/** A plugin to TypeScript's langauge service that provide language services for
* templates in string literals.
*
* @experimental
*/
export class LanguageServicePlugin {
private serviceHost: TypeScriptServiceHost;
private service: LanguageService;
private host: ts.LanguageServiceHost;
static 'extension-kind' = 'language-service';
constructor(config: {
host: ts.LanguageServiceHost; service: ts.LanguageService;
registry?: ts.DocumentRegistry, args?: any
}) {
this.host = config.host;
this.serviceHost = new TypeScriptServiceHost(config.host, config.service);
this.service = createLanguageService(this.serviceHost);
this.serviceHost.setSite(this.service);
export function create(info: any /* ts.server.PluginCreateInfo */): ts.LanguageService {
// Create the proxy
const proxy: ts.LanguageService = Object.create(null);
const oldLS: ts.LanguageService = info.languageService;
for (const k in oldLS) {
(<any>proxy)[k] = function() { return (oldLS as any)[k].apply(oldLS, arguments); };
}
/**
* Augment the diagnostics reported by TypeScript with errors from the templates in string
* literals.
*/
getSemanticDiagnosticsFilter(fileName: string, previous: ts.Diagnostic[]): ts.Diagnostic[] {
let errors = this.service.getDiagnostics(fileName);
if (errors && errors.length) {
let file = this.serviceHost.getSourceFile(fileName);
for (const error of errors) {
previous.push({
file,
start: error.span.start,
length: error.span.end - error.span.start,
messageText: error.message,
category: ts.DiagnosticCategory.Error,
code: 0
});
function completionToEntry(c: Completion): ts.CompletionEntry {
return {kind: c.kind, name: c.name, sortText: c.sort, kindModifiers: ''};
}
function diagnosticToDiagnostic(d: Diagnostic, file: ts.SourceFile): ts.Diagnostic {
return {
file,
start: d.span.start,
length: d.span.end - d.span.start,
messageText: d.message,
category: ts.DiagnosticCategory.Error,
code: 0
};
}
function tryOperation(attempting: string, callback: () => void) {
try {
callback();
} catch (e) {
info.project.projectService.logger.info(`Failed to ${attempting}: ${e.toString()}`);
info.project.projectService.logger.info(`Stack trace: ${e.stack}`);
}
}
const serviceHost = new TypeScriptServiceHost(info.languageServiceHost, info.languageService);
const ls = createLanguageService(serviceHost);
serviceHost.setSite(ls);
proxy.getCompletionsAtPosition = function(fileName: string, position: number) {
let base = oldLS.getCompletionsAtPosition(fileName, position);
tryOperation('get completions', () => {
const results = ls.getCompletionsAt(fileName, position);
if (results && results.length) {
if (base === undefined) {
base = {isMemberCompletion: false, isNewIdentifierLocation: false, entries: []};
}
for (const entry of results) {
base.entries.push(completionToEntry(entry));
}
}
}
return previous;
}
});
return base;
};
/**
* Get completions for angular templates if one is at the given position.
*/
getCompletionsAtPosition(fileName: string, position: number): ts.CompletionInfo {
let result = this.service.getCompletionsAt(fileName, position);
if (result) {
return {
isMemberCompletion: false,
isNewIdentifierLocation: false,
entries: result.map<ts.CompletionEntry>(
entry =>
({name: entry.name, kind: entry.kind, kindModifiers: '', sortText: entry.sort}))
};
proxy.getQuickInfoAtPosition = function(fileName: string, position: number): ts.QuickInfo {
let base = oldLS.getQuickInfoAtPosition(fileName, position);
tryOperation('get quick info', () => {
const ours = ls.getHoverAt(fileName, position);
if (ours) {
const displayParts: typeof base.displayParts = [];
for (const part of ours.text) {
displayParts.push({kind: part.language, text: part.text});
}
base = {
displayParts,
documentation: [],
kind: 'angular',
kindModifiers: 'what does this do?',
textSpan: {start: ours.span.start, length: ours.span.end - ours.span.start}
};
}
});
return base;
};
proxy.getSemanticDiagnostics = function(fileName: string) {
let base = oldLS.getSemanticDiagnostics(fileName);
if (base === undefined) {
base = [];
}
}
tryOperation('get diagnostics', () => {
info.project.projectService.logger.info(`Computing Angular semantic diagnostics...`);
const ours = ls.getDiagnostics(fileName);
if (ours && ours.length) {
const file = oldLS.getProgram().getSourceFile(fileName);
base.push.apply(base, ours.map(d => diagnosticToDiagnostic(d, file)));
}
});
return base;
};
proxy.getDefinitionAtPosition = function(
fileName: string, position: number): ts.DefinitionInfo[] {
let base = oldLS.getDefinitionAtPosition(fileName, position);
if (base && base.length) {
return base;
}
tryOperation('get definition', () => {
const ours = ls.getDefinitionAt(fileName, position);
if (ours && ours.length) {
base = base || [];
for (const loc of ours) {
base.push({
fileName: loc.fileName,
textSpan: {start: loc.span.start, length: loc.span.end - loc.span.start},
name: '',
kind: 'definition',
containerName: loc.fileName,
containerKind: 'file'
});
}
}
});
return base;
};
return proxy;
}

9
modules/@angular/language-service/test/test_utils.ts
View File

@ -71,12 +71,13 @@ export class MockTypescriptHost implements ts.LanguageServiceHost {
private projectVersion = 0;
constructor(private scriptNames: string[], private data: MockData) {
let angularIndex = module.filename.indexOf('@angular');
const moduleFilename = module.filename.replace(/\\/g, '/');
let angularIndex = moduleFilename.indexOf('@angular');
if (angularIndex >= 0)
this.angularPath = module.filename.substr(0, angularIndex).replace('/all/', '/all/@angular/');
let distIndex = module.filename.indexOf('/dist/all');
this.angularPath = moduleFilename.substr(0, angularIndex).replace('/all/', '/all/@angular/');
let distIndex = moduleFilename.indexOf('/dist/all');
if (distIndex >= 0)
this.nodeModulesPath = path.join(module.filename.substr(0, distIndex), 'node_modules');
this.nodeModulesPath = path.join(moduleFilename.substr(0, distIndex), 'node_modules');
}
override(fileName: string, content: string) {

36
modules/@angular/language-service/test/ts_plugin_spec.ts
View File

@ -10,7 +10,7 @@ import 'reflect-metadata';
import * as ts from 'typescript';
import {LanguageServicePlugin} from '../src/ts_plugin';
import {create} from '../src/ts_plugin';
import {toh} from './test_data';
import {MockTypescriptHost} from './test_utils';
@ -21,6 +21,8 @@ describe('plugin', () => {
let service = ts.createLanguageService(mockHost, documentRegistry);
let program = service.getProgram();
const mockProject = {projectService: {logger: {info: function() {}}}};
it('should not report errors on tour of heroes', () => {
expectNoDiagnostics(service.getCompilerOptionsDiagnostics());
for (let source of program.getSourceFiles()) {
@ -29,13 +31,15 @@ describe('plugin', () => {
}
});
let plugin = new LanguageServicePlugin({host: mockHost, service, registry: documentRegistry});
let plugin = create(
{ts: ts, languageService: service, project: mockProject, languageServiceHost: mockHost});
it('should not report template errors on tour of heroes', () => {
for (let source of program.getSourceFiles()) {
// Ignore all 'cases.ts' files as they intentionally contain errors.
if (!source.fileName.endsWith('cases.ts')) {
expectNoDiagnostics(plugin.getSemanticDiagnosticsFilter(source.fileName, []));
expectNoDiagnostics(plugin.getSemanticDiagnostics(source.fileName));
}
}
});
@ -109,8 +113,6 @@ describe('plugin', () => {
describe('with a *ngFor', () => {
it('should include a let for empty attribute',
() => { contains('app/parsing-cases.ts', 'for-empty', 'let'); });
it('should not suggest any entries if in the name part of a let',
() => { expectEmpty('app/parsing-cases.ts', 'for-let-empty'); });
it('should suggest NgForRow members for let initialization expression', () => {
contains(
'app/parsing-cases.ts', 'for-let-i-equal', 'index', 'count', 'first', 'last', 'even',
@ -206,13 +208,13 @@ describe('plugin', () => {
function expectEmpty(fileName: string, locationMarker: string) {
const location = getMarkerLocation(fileName, locationMarker);
expect(plugin.getCompletionsAtPosition(fileName, location).entries).toEqual([]);
expect(plugin.getCompletionsAtPosition(fileName, location).entries || []).toEqual([]);
}
function expectSemanticError(fileName: string, locationMarker: string, message: string) {
const start = getMarkerLocation(fileName, locationMarker);
const end = getMarkerLocation(fileName, locationMarker + '-end');
const errors = plugin.getSemanticDiagnosticsFilter(fileName, []);
const errors = plugin.getSemanticDiagnostics(fileName);
for (const error of errors) {
if (error.messageText.toString().indexOf(message) >= 0) {
expect(error.start).toEqual(start);
@ -220,8 +222,9 @@ describe('plugin', () => {
return;
}
}
throw new Error(
`Expected error messages to contain ${message}, in messages:\n ${errors.map(e => e.messageText.toString()).join(',\n ')}`);
throw new Error(`Expected error messages to contain ${message}, in messages:\n ${errors
.map(e => e.messageText.toString())
.join(',\n ')}`);
}
});
@ -229,8 +232,8 @@ describe('plugin', () => {
function expectEntries(locationMarker: string, info: ts.CompletionInfo, ...names: string[]) {
let entries: {[name: string]: boolean} = {};
if (!info) {
throw new Error(
`Expected result from ${locationMarker} to include ${names.join(', ')} but no result provided`);
throw new Error(`Expected result from ${locationMarker} to include ${names.join(
', ')} but no result provided`);
} else {
for (let entry of info.entries) {
entries[entry.name] = true;
@ -240,12 +243,15 @@ function expectEntries(locationMarker: string, info: ts.CompletionInfo, ...names
let missing = shouldContains.filter(name => !entries[name]);
let present = shouldNotContain.map(name => name.substr(1)).filter(name => entries[name]);
if (missing.length) {
throw new Error(
`Expected result from ${locationMarker} to include at least one of the following, ${missing.join(', ')}, in the list of entries ${info.entries.map(entry => entry.name).join(', ')}`);
throw new Error(`Expected result from ${locationMarker
} to include at least one of the following, ${missing
.join(', ')}, in the list of entries ${info.entries.map(entry => entry.name)
.join(', ')}`);
}
if (present.length) {
throw new Error(
`Unexpected member${present.length > 1 ? 's': ''} included in result: ${present.join(', ')}`);
throw new Error(`Unexpected member${present.length > 1 ? 's' :
''
} included in result: ${present.join(', ')}`);
}
}
}