feat(compiler-cli): add watch mode to `ngc` (#18818)
With this change ngc now accepts a `-w` or a `--watch` command-line option that will automatically perform a recompile whenever any source files change on disk. PR Close #18818
This commit is contained in:
Chuck Jazdzewski
Jason Aden
parent
0e64261f26
commit
cf7d47dda0
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@ -275,6 +275,9 @@
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"@types/base64-js": {
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"version": "1.2.5"
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},
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"@types/chokidar": {
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"version": "1.7.2"
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},
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"@types/fs-extra": {
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"version": "0.0.22-alpha"
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},
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@ -445,6 +445,11 @@
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"from": "@types/base64-js@latest",
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"resolved": "https://registry.npmjs.org/@types/base64-js/-/base64-js-1.2.5.tgz"
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},
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"@types/chokidar": {
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"version": "1.7.2",
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"from": "@types/chokidar@>=1.1.0 <2.0.0",
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"resolved": "https://registry.npmjs.org/@types/chokidar/-/chokidar-1.7.2.tgz"
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},
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"@types/fs-extra": {
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"version": "0.0.22-alpha",
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"from": "@types/fs-extra@latest",
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@ -34,6 +34,7 @@
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"@bazel/typescript": "0.0.7",
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"@types/angularjs": "^1.5.13-alpha",
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"@types/base64-js": "^1.2.5",
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"@types/chokidar": "^1.1.0",
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"@types/fs-extra": "0.0.22-alpha",
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"@types/hammerjs": "^2.0.33",
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"@types/jasmine": "^2.2.22-alpha",
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@ -20,7 +20,7 @@ export {BuiltinType, DeclarationKind, Definition, PipeInfo, Pipes, Signature, Sp
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export * from './src/transformers/api';
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export * from './src/transformers/entry_points';
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export {performCompilation, readConfiguration, formatDiagnostics, calcProjectFileAndBasePath, createNgCompilerOptions} from './src/perform-compile';
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export {performCompilation, readConfiguration, formatDiagnostics, calcProjectFileAndBasePath, createNgCompilerOptions} from './src/perform_compile';
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// TODO(hansl): moving to Angular 4 need to update this API.
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export {NgTools_InternalApi_NG_2 as __NGTOOLS_PRIVATE_API_2} from './src/ngtools_api';
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@ -12,7 +12,8 @@
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"@angular/tsc-wrapped": "5.0.0-beta.5",
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"reflect-metadata": "^0.1.2",
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"minimist": "^1.2.0",
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"tsickle": "^0.23.4"
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"tsickle": "^0.23.4",
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"chokidar": "^1.4.2"
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},
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"peerDependencies": {
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"typescript": "^2.0.2",
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@ -9,7 +9,7 @@
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import {AotCompiler, AotCompilerHost, AotCompilerOptions, EmitterVisitorContext, GeneratedFile, NgAnalyzedModules, ParseSourceSpan, Statement, StaticReflector, TypeScriptEmitter, createAotCompiler} from '@angular/compiler';
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import * as ts from 'typescript';
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import {Diagnostic} from '../transformers/api';
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import {DEFAULT_ERROR_CODE, Diagnostic, SOURCE} from '../transformers/api';
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interface FactoryInfo {
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source: ts.SourceFile;
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@ -142,8 +142,10 @@ export class TypeChecker {
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const fileName = span.start.file.url;
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const diagnosticsList = diagnosticsFor(fileName);
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diagnosticsList.push({
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message: diagnosticMessageToString(diagnostic.messageText),
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category: diagnostic.category, span
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messageText: diagnosticMessageToString(diagnostic.messageText),
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category: diagnostic.category, span,
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source: SOURCE,
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code: DEFAULT_ERROR_CODE
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});
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}
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}
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@ -17,14 +17,19 @@ import * as path from 'path';
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import * as tsickle from 'tsickle';
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import * as api from './transformers/api';
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import * as ngc from './transformers/entry_points';
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import {performCompilation, readConfiguration, formatDiagnostics, Diagnostics, ParsedConfiguration} from './perform-compile';
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import {calcProjectFileAndBasePath, exitCodeFromResult, performCompilation, readConfiguration, formatDiagnostics, Diagnostics, ParsedConfiguration, PerformCompilationResult} from './perform_compile';
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import {performWatchCompilation, createPerformWatchHost} from './perform_watch';
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import {isSyntaxError} from '@angular/compiler';
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import {CodeGenerator} from './codegen';
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export function main(
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args: string[], consoleError: (s: string) => void = console.error): Promise<number> {
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const parsedArgs = require('minimist')(args);
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if (parsedArgs.w || parsedArgs.watch) {
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const result = watchMode(parsedArgs, consoleError);
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return Promise.resolve(exitCodeFromResult(result.firstCompileResult));
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}
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const {rootNames, options, errors: configErrors} = readCommandLineAndConfiguration(parsedArgs);
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if (configErrors.length) {
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return Promise.resolve(reportErrorsAndExit(options, configErrors, consoleError));
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@ -83,12 +88,16 @@ function createEmitCallback(options: api.CompilerOptions): api.TsEmitCallback {
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});
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}
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function projectOf(args: any): string {
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return (args && (args.p || args.project)) || '.';
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}
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function readCommandLineAndConfiguration(args: any): ParsedConfiguration {
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const project = args.p || args.project || '.';
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const project = projectOf(args);
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const allDiagnostics: Diagnostics = [];
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const config = readConfiguration(project);
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const options = mergeCommandLineParams(args, config.options);
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return {rootNames: config.rootNames, options, errors: config.errors};
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return {project, rootNames: config.rootNames, options, errors: config.errors};
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}
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function reportErrorsAndExit(
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@ -101,6 +110,15 @@ function reportErrorsAndExit(
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return exitCode;
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}
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export function watchMode(args: any, consoleError: (s: string) => void) {
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const project = projectOf(args);
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const {projectFile, basePath} = calcProjectFileAndBasePath(project);
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const config = readConfiguration(project);
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return performWatchCompilation(createPerformWatchHost(projectFile, diagnostics => {
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consoleError(formatDiagnostics(config.options, diagnostics));
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}, options => createEmitCallback(options)));
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}
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function mergeCommandLineParams(
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cliArgs: {[k: string]: string}, options: api.CompilerOptions): api.CompilerOptions {
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// TODO: also merge in tsc command line parameters by calling
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@ -20,7 +20,7 @@ const TS_EXT = /\.ts$/;
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export type Diagnostics = Array<ts.Diagnostic|api.Diagnostic>;
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function isTsDiagnostic(diagnostic: any): diagnostic is ts.Diagnostic {
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return diagnostic && (diagnostic.file || diagnostic.messageText);
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return diagnostic && diagnostic.source != 'angular';
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}
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export function formatDiagnostics(options: api.CompilerOptions, diags: Diagnostics): string {
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@ -41,9 +41,9 @@ export function formatDiagnostics(options: api.CompilerOptions, diags: Diagnosti
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` at ${d.span.start.file.url}(${d.span.start.line + 1},${d.span.start.col + 1})`;
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}
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if (d.span && d.span.details) {
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res += `: ${d.span.details}, ${d.message}\n`;
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res += `: ${d.span.details}, ${d.messageText}\n`;
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} else {
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res += `: ${d.message}\n`;
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res += `: ${d.messageText}\n`;
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}
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return res;
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}
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@ -54,6 +54,7 @@ export function formatDiagnostics(options: api.CompilerOptions, diags: Diagnosti
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}
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export interface ParsedConfiguration {
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project: string;
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options: api.CompilerOptions;
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rootNames: string[];
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errors: Diagnostics;
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@ -81,7 +82,7 @@ export function readConfiguration(
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let {config, error} = ts.readConfigFile(projectFile, ts.sys.readFile);
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if (error) {
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return {errors: [error], rootNames: [], options: {}};
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return {project, errors: [error], rootNames: [], options: {}};
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}
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const parseConfigHost = {
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useCaseSensitiveFileNames: true,
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@ -94,16 +95,40 @@ export function readConfiguration(
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const rootNames = parsed.fileNames.map(f => path.normalize(f));
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const options = createNgCompilerOptions(basePath, config, parsed.options);
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return {rootNames, options, errors: parsed.errors};
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return {project: projectFile, rootNames, options, errors: parsed.errors};
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} catch (e) {
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const errors: Diagnostics = [{
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category: ts.DiagnosticCategory.Error,
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message: e.stack,
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messageText: e.stack,
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source: api.SOURCE,
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code: api.UNKNOWN_ERROR_CODE
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}];
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return {errors, rootNames: [], options: {}};
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return {project: '', errors, rootNames: [], options: {}};
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}
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}
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export interface PerformCompilationResult {
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diagnostics: Diagnostics;
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program?: api.Program;
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emitResult?: ts.EmitResult;
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}
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export function exitCodeFromResult(result: PerformCompilationResult | undefined): number {
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if (!result) {
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// If we didn't get a result we should return failure.
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return 1;
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}
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if (!result.diagnostics || result.diagnostics.length === 0) {
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// If we have a result and didn't get any errors, we succeeded.
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return 0;
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}
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// Return 2 if any of the errors were unknown.
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return result.diagnostics.some(d => d.source === 'angular' && d.code === api.UNKNOWN_ERROR_CODE) ?
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2 :
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1;
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}
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export function performCompilation(
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{rootNames, options, host, oldProgram, emitCallback, customTransformers}: {
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rootNames: string[],
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@ -112,11 +137,7 @@ export function performCompilation(
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oldProgram?: api.Program,
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emitCallback?: api.TsEmitCallback,
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customTransformers?: api.CustomTransformers
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}): {
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program?: api.Program,
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emitResult?: ts.EmitResult,
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diagnostics: Diagnostics,
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} {
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}): PerformCompilationResult {
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const [major, minor] = ts.version.split('.');
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if (Number(major) < 2 || (Number(major) === 2 && Number(minor) < 3)) {
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@ -168,19 +189,24 @@ export function performCompilation(
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((options.skipMetadataEmit || options.flatModuleOutFile) ? 0 : api.EmitFlags.Metadata)
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});
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allDiagnostics.push(...emitResult.diagnostics);
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return {diagnostics: allDiagnostics, program, emitResult};
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}
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return {diagnostics: allDiagnostics, program};
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} catch (e) {
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let errMsg: string;
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let code: number;
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if (isSyntaxError(e)) {
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// don't report the stack for syntax errors as they are well known errors.
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errMsg = e.message;
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code = api.DEFAULT_ERROR_CODE;
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} else {
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errMsg = e.stack;
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// It is not a syntax error we might have a program with unknown state, discard it.
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program = undefined;
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code = api.UNKNOWN_ERROR_CODE;
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}
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allDiagnostics.push({
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category: ts.DiagnosticCategory.Error,
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message: errMsg,
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});
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allDiagnostics.push(
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{category: ts.DiagnosticCategory.Error, messageText: errMsg, code, source: api.SOURCE});
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return {diagnostics: allDiagnostics, program};
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}
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return {program, emitResult, diagnostics: allDiagnostics};
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}
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@ -0,0 +1,223 @@
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/**
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* @license
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* Copyright Google Inc. All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.io/license
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*/
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import * as chokidar from 'chokidar';
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import * as path from 'path';
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import * as ts from 'typescript';
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import {Diagnostics, ParsedConfiguration, PerformCompilationResult, exitCodeFromResult, performCompilation, readConfiguration} from './perform_compile';
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import * as api from './transformers/api';
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import {createCompilerHost} from './transformers/entry_points';
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const ChangeDiagnostics = {
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Compilation_complete_Watching_for_file_changes: {
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category: ts.DiagnosticCategory.Message,
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messageText: 'Compilation complete. Watching for file changes.',
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code: api.DEFAULT_ERROR_CODE,
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source: api.SOURCE
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},
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Compilation_failed_Watching_for_file_changes: {
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category: ts.DiagnosticCategory.Message,
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messageText: 'Compilation failed. Watching for file changes.',
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code: api.DEFAULT_ERROR_CODE,
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source: api.SOURCE
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},
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File_change_detected_Starting_incremental_compilation: {
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category: ts.DiagnosticCategory.Message,
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messageText: 'File change detected. Starting incremental compilation.',
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code: api.DEFAULT_ERROR_CODE,
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source: api.SOURCE
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},
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};
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export enum FileChangeEvent {
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Change,
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CreateDelete
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}
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export interface PerformWatchHost {
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reportDiagnostics(diagnostics: Diagnostics): void;
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readConfiguration(): ParsedConfiguration;
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createCompilerHost(options: api.CompilerOptions): api.CompilerHost;
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createEmitCallback(options: api.CompilerOptions): api.TsEmitCallback|undefined;
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onFileChange(listener: (event: FileChangeEvent, fileName: string) => void):
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{close: () => void, ready: (cb: () => void) => void};
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setTimeout(callback: () => void, ms: number): any;
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clearTimeout(timeoutId: any): void;
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}
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export function createPerformWatchHost(
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configFileName: string, reportDiagnostics: (diagnostics: Diagnostics) => void,
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createEmitCallback?: (options: api.CompilerOptions) => api.TsEmitCallback): PerformWatchHost {
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return {
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reportDiagnostics: reportDiagnostics,
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createCompilerHost: options => createCompilerHost({options}),
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readConfiguration: () => readConfiguration(configFileName),
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createEmitCallback: options => createEmitCallback ? createEmitCallback(options) : undefined,
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onFileChange: (listeners) => {
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const parsed = readConfiguration(configFileName);
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function stubReady(cb: () => void) { process.nextTick(cb); }
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if (parsed.errors && parsed.errors.length) {
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reportDiagnostics(parsed.errors);
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return {close: () => {}, ready: stubReady};
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}
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if (!parsed.options.basePath) {
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reportDiagnostics([{
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category: ts.DiagnosticCategory.Error,
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messageText: 'Invalid configuration option. baseDir not specified',
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source: api.SOURCE,
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code: api.DEFAULT_ERROR_CODE
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}]);
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return {close: () => {}, ready: stubReady};
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}
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const watcher = chokidar.watch(parsed.options.basePath, {
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// ignore .dotfiles, .js and .map files.
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// can't ignore other files as we e.g. want to recompile if an `.html` file changes as well.
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ignored: /((^[\/\\])\..)|(\.js$)|(\.map$)|(\.metadata\.json)/,
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ignoreInitial: true,
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persistent: true,
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});
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watcher.on('all', (event: string, path: string) => {
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switch (event) {
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case 'change':
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listeners(FileChangeEvent.Change, path);
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break;
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case 'unlink':
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case 'add':
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listeners(FileChangeEvent.CreateDelete, path);
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break;
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}
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});
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function ready(cb: () => void) { watcher.on('ready', cb); }
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return {close: () => watcher.close(), ready};
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},
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setTimeout: (ts.sys.clearTimeout && ts.sys.setTimeout) || setTimeout,
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clearTimeout: (ts.sys.setTimeout && ts.sys.clearTimeout) || clearTimeout,
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};
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}
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/**
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* The logic in this function is adapted from `tsc.ts` from TypeScript.
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*/
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export function performWatchCompilation(host: PerformWatchHost): {
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close: () => void,
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ready: (cb: () => void) => void,
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firstCompileResult: PerformCompilationResult | undefined
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} {
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let cachedProgram: api.Program|undefined; // Program cached from last compilation
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let cachedCompilerHost: api.CompilerHost|undefined; // CompilerHost cached from last compilation
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let cachedOptions: ParsedConfiguration|undefined; // CompilerOptions cached from last compilation
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let timerHandleForRecompilation: any; // Handle for 0.25s wait timer to trigger recompilation
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// Watch basePath, ignoring .dotfiles
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const fileWatcher = host.onFileChange(watchedFileChanged);
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const ingoreFilesForWatch = new Set<string>();
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const firstCompileResult = doCompilation();
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const readyPromise = new Promise(resolve => fileWatcher.ready(resolve));
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return {close, ready: cb => readyPromise.then(cb), firstCompileResult};
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function close() {
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fileWatcher.close();
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if (timerHandleForRecompilation) {
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host.clearTimeout(timerHandleForRecompilation);
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timerHandleForRecompilation = undefined;
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}
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}
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// Invoked to perform initial compilation or re-compilation in watch mode
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function doCompilation() {
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if (!cachedOptions) {
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cachedOptions = host.readConfiguration();
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}
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if (cachedOptions.errors && cachedOptions.errors.length) {
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host.reportDiagnostics(cachedOptions.errors);
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return;
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}
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if (!cachedCompilerHost) {
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// TODO(chuckj): consider avoiding re-generating factories for libraries.
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// Consider modifying the AotCompilerHost to be able to remember the summary files
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// generated from previous compiliations and return false from isSourceFile for
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// .d.ts files for which a summary file was already generated.å
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cachedCompilerHost = host.createCompilerHost(cachedOptions.options);
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const originalWriteFileCallback = cachedCompilerHost.writeFile;
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cachedCompilerHost.writeFile = function(
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fileName: string, data: string, writeByteOrderMark: boolean,
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onError?: (message: string) => void, sourceFiles?: ts.SourceFile[]) {
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ingoreFilesForWatch.add(path.normalize(fileName));
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return originalWriteFileCallback(fileName, data, writeByteOrderMark, onError, sourceFiles);
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};
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}
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ingoreFilesForWatch.clear();
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const compileResult = performCompilation({
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rootNames: cachedOptions.rootNames,
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options: cachedOptions.options,
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host: cachedCompilerHost,
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oldProgram: cachedProgram,
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emitCallback: host.createEmitCallback(cachedOptions.options)
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});
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||||
if (compileResult.diagnostics.length) {
|
||||
host.reportDiagnostics(compileResult.diagnostics);
|
||||
}
|
||||
|
||||
const exitCode = exitCodeFromResult(compileResult);
|
||||
if (exitCode == 0) {
|
||||
cachedProgram = compileResult.program;
|
||||
host.reportDiagnostics([ChangeDiagnostics.Compilation_complete_Watching_for_file_changes]);
|
||||
} else {
|
||||
host.reportDiagnostics([ChangeDiagnostics.Compilation_failed_Watching_for_file_changes]);
|
||||
}
|
||||
|
||||
return compileResult;
|
||||
}
|
||||
|
||||
function resetOptions() {
|
||||
cachedProgram = undefined;
|
||||
cachedCompilerHost = undefined;
|
||||
cachedOptions = undefined;
|
||||
}
|
||||
|
||||
function watchedFileChanged(event: FileChangeEvent, fileName: string) {
|
||||
if (cachedOptions && event === FileChangeEvent.Change &&
|
||||
// TODO(chuckj): validate that this is sufficient to skip files that were written.
|
||||
// This assumes that the file path we write is the same file path we will receive in the
|
||||
// change notification.
|
||||
path.normalize(fileName) === path.normalize(cachedOptions.project)) {
|
||||
// If the configuration file changes, forget everything and start the recompilation timer
|
||||
resetOptions();
|
||||
} else if (event === FileChangeEvent.CreateDelete) {
|
||||
// If a file was added or removed, reread the configuration
|
||||
// to determine the new list of root files.
|
||||
cachedOptions = undefined;
|
||||
}
|
||||
if (!ingoreFilesForWatch.has(path.normalize(fileName))) {
|
||||
// Ignore the file if the file is one that was written by the compiler.
|
||||
startTimerForRecompilation();
|
||||
}
|
||||
}
|
||||
|
||||
// Upon detecting a file change, wait for 250ms and then perform a recompilation. This gives batch
|
||||
// operations (such as saving all modified files in an editor) a chance to complete before we kick
|
||||
// off a new compilation.
|
||||
function startTimerForRecompilation() {
|
||||
if (timerHandleForRecompilation) {
|
||||
host.clearTimeout(timerHandleForRecompilation);
|
||||
}
|
||||
timerHandleForRecompilation = host.setTimeout(recompile, 250);
|
||||
}
|
||||
|
||||
function recompile() {
|
||||
timerHandleForRecompilation = undefined;
|
||||
host.reportDiagnostics(
|
||||
[ChangeDiagnostics.File_change_detected_Starting_incremental_compilation]);
|
||||
doCompilation();
|
||||
}
|
||||
}
|
||||
|
|
@ -9,10 +9,16 @@
|
|||
import {ParseSourceSpan} from '@angular/compiler';
|
||||
import * as ts from 'typescript';
|
||||
|
||||
export const DEFAULT_ERROR_CODE = 100;
|
||||
export const UNKNOWN_ERROR_CODE = 500;
|
||||
export const SOURCE = 'angular' as 'angular';
|
||||
|
||||
export interface Diagnostic {
|
||||
message: string;
|
||||
messageText: string;
|
||||
span?: ParseSourceSpan;
|
||||
category: ts.DiagnosticCategory;
|
||||
code: number;
|
||||
source: 'angular';
|
||||
}
|
||||
|
||||
export interface CompilerOptions extends ts.CompilerOptions {
|
||||
|
|
|
|||
|
|
@ -15,7 +15,7 @@ import * as ts from 'typescript';
|
|||
import {BaseAotCompilerHost} from '../compiler_host';
|
||||
import {TypeChecker} from '../diagnostics/check_types';
|
||||
|
||||
import {CompilerHost, CompilerOptions, CustomTransformers, Diagnostic, EmitFlags, Program, TsEmitArguments, TsEmitCallback} from './api';
|
||||
import {CompilerHost, CompilerOptions, CustomTransformers, DEFAULT_ERROR_CODE, Diagnostic, EmitFlags, Program, SOURCE, TsEmitArguments, TsEmitCallback} from './api';
|
||||
import {LowerMetadataCache, getExpressionLoweringTransformFactory} from './lower_expressions';
|
||||
import {getAngularEmitterTransformFactory} from './node_emitter_transform';
|
||||
|
||||
|
|
@ -61,8 +61,12 @@ class AngularCompilerProgram implements Program {
|
|||
if (errors) {
|
||||
// TODO(tbosch): once we move MetadataBundler from tsc_wrapped into compiler_cli,
|
||||
// directly create ng.Diagnostic instead of using ts.Diagnostic here.
|
||||
this._optionsDiagnostics.push(
|
||||
...errors.map(e => ({category: e.category, message: e.messageText as string})));
|
||||
this._optionsDiagnostics.push(...errors.map(e => ({
|
||||
category: e.category,
|
||||
messageText: e.messageText as string,
|
||||
source: SOURCE,
|
||||
code: DEFAULT_ERROR_CODE
|
||||
})));
|
||||
} else {
|
||||
rootNames.push(indexName !);
|
||||
this.host = host = bundleHost;
|
||||
|
|
@ -219,12 +223,19 @@ class AngularCompilerProgram implements Program {
|
|||
if (parserErrors && parserErrors.length) {
|
||||
this._structuralDiagnostics =
|
||||
parserErrors.map<Diagnostic>(e => ({
|
||||
message: e.contextualMessage(),
|
||||
messageText: e.contextualMessage(),
|
||||
category: ts.DiagnosticCategory.Error,
|
||||
span: e.span
|
||||
span: e.span,
|
||||
source: SOURCE,
|
||||
code: DEFAULT_ERROR_CODE
|
||||
}));
|
||||
} else {
|
||||
this._structuralDiagnostics = [{message: e.message, category: ts.DiagnosticCategory.Error}];
|
||||
this._structuralDiagnostics = [{
|
||||
messageText: e.message,
|
||||
category: ts.DiagnosticCategory.Error,
|
||||
source: SOURCE,
|
||||
code: DEFAULT_ERROR_CODE
|
||||
}];
|
||||
}
|
||||
this._analyzedModules = emptyModules;
|
||||
return emptyModules;
|
||||
|
|
@ -252,8 +263,12 @@ class AngularCompilerProgram implements Program {
|
|||
return this.options.skipTemplateCodegen ? [] : result;
|
||||
} catch (e) {
|
||||
if (isSyntaxError(e)) {
|
||||
this._generatedFileDiagnostics =
|
||||
[{message: e.message, category: ts.DiagnosticCategory.Error}];
|
||||
this._generatedFileDiagnostics = [{
|
||||
messageText: e.message,
|
||||
category: ts.DiagnosticCategory.Error,
|
||||
source: SOURCE,
|
||||
code: DEFAULT_ERROR_CODE
|
||||
}];
|
||||
return [];
|
||||
}
|
||||
throw e;
|
||||
|
|
@ -417,9 +432,11 @@ function getNgOptionDiagnostics(options: CompilerOptions): Diagnostic[] {
|
|||
break;
|
||||
default:
|
||||
return [{
|
||||
message:
|
||||
messageText:
|
||||
'Angular compiler options "annotationsAs" only supports "static fields" and "decorators"',
|
||||
category: ts.DiagnosticCategory.Error
|
||||
category: ts.DiagnosticCategory.Error,
|
||||
source: SOURCE,
|
||||
code: DEFAULT_ERROR_CODE
|
||||
}];
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -39,12 +39,13 @@ describe('ng type checker', () => {
|
|||
if (!diagnostics || !diagnostics.length) {
|
||||
throw new Error('Expected a diagnostic erorr message');
|
||||
} else {
|
||||
const matches: (d: Diagnostic) => boolean =
|
||||
typeof message === 'string' ? d => d.message == message : d => message.test(d.message);
|
||||
const matches: (d: Diagnostic) => boolean = typeof message === 'string' ?
|
||||
d => d.messageText == message :
|
||||
d => message.test(d.messageText);
|
||||
const matchingDiagnostics = diagnostics.filter(matches);
|
||||
if (!matchingDiagnostics || !matchingDiagnostics.length) {
|
||||
throw new Error(
|
||||
`Expected a diagnostics matching ${message}, received\n ${diagnostics.map(d => d.message).join('\n ')}`);
|
||||
`Expected a diagnostics matching ${message}, received\n ${diagnostics.map(d => d.messageText).join('\n ')}`);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -173,6 +174,6 @@ const LOWERING_QUICKSTART: MockDirectory = {
|
|||
|
||||
function expectNoDiagnostics(diagnostics: Diagnostic[]) {
|
||||
if (diagnostics && diagnostics.length) {
|
||||
throw new Error(diagnostics.map(d => `${d.span}: ${d.message}`).join('\n'));
|
||||
throw new Error(diagnostics.map(d => `${d.span}: ${d.messageText}`).join('\n'));
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -191,7 +191,7 @@ export class DiagnosticContext {
|
|||
analyzeHost);
|
||||
|
||||
analyzedModules = this._analyzedModules =
|
||||
analyzeNgModules(programSymbols, analyzeHost, this.resolver);
|
||||
analyzeNgModules(programSymbols, analyzeHost, this.staticSymbolResolver, this.resolver);
|
||||
}
|
||||
return analyzedModules;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -9,8 +9,9 @@
|
|||
import {makeTempDir} from '@angular/tsc-wrapped/test/test_support';
|
||||
import * as fs from 'fs';
|
||||
import * as path from 'path';
|
||||
import * as ts from 'typescript';
|
||||
|
||||
import {main} from '../src/main';
|
||||
import {main, watchMode} from '../src/main';
|
||||
|
||||
function getNgRootDir() {
|
||||
const moduleFilename = module.filename.replace(/\\/g, '/');
|
||||
|
|
@ -309,4 +310,156 @@ describe('compiler-cli with disableTransformerPipeline', () => {
|
|||
.catch(e => done.fail(e));
|
||||
});
|
||||
});
|
||||
|
||||
describe('watch mode', () => {
|
||||
let timer: (() => void)|undefined = undefined;
|
||||
let results: ((message: string) => void)|undefined = undefined;
|
||||
let originalTimeout: number;
|
||||
|
||||
function trigger() {
|
||||
const delay = 1000;
|
||||
setTimeout(() => {
|
||||
const t = timer;
|
||||
timer = undefined;
|
||||
if (!t) {
|
||||
fail('Unexpected state. Timer was not set.');
|
||||
} else {
|
||||
t();
|
||||
}
|
||||
}, delay);
|
||||
}
|
||||
|
||||
function whenResults(): Promise<string> {
|
||||
return new Promise(resolve => {
|
||||
results = message => {
|
||||
resolve(message);
|
||||
results = undefined;
|
||||
};
|
||||
});
|
||||
}
|
||||
|
||||
function errorSpy(message: string): void {
|
||||
if (results) results(message);
|
||||
}
|
||||
|
||||
beforeEach(() => {
|
||||
originalTimeout = jasmine.DEFAULT_TIMEOUT_INTERVAL;
|
||||
jasmine.DEFAULT_TIMEOUT_INTERVAL = 10000;
|
||||
const timerToken = 100;
|
||||
spyOn(ts.sys, 'setTimeout').and.callFake((callback: () => void) => {
|
||||
timer = callback;
|
||||
return timerToken;
|
||||
});
|
||||
spyOn(ts.sys, 'clearTimeout').and.callFake((token: number) => {
|
||||
if (token == timerToken) {
|
||||
timer = undefined;
|
||||
}
|
||||
});
|
||||
|
||||
write('greet.html', `<p class="greeting"> Hello {{name}}!</p>`);
|
||||
write('greet.css', `p.greeting { color: #eee }`);
|
||||
write('greet.ts', `
|
||||
import {Component, Input} from '@angular/core';
|
||||
|
||||
@Component({
|
||||
selector: 'greet',
|
||||
templateUrl: 'greet.html',
|
||||
styleUrls: ['greet.css']
|
||||
})
|
||||
export class Greet {
|
||||
@Input()
|
||||
name: string;
|
||||
}
|
||||
`);
|
||||
|
||||
write('app.ts', `
|
||||
import {Component} from '@angular/core'
|
||||
|
||||
@Component({
|
||||
selector: 'my-app',
|
||||
template: \`
|
||||
<div>
|
||||
<greet [name]='name'></greet>
|
||||
</div>
|
||||
\`,
|
||||
})
|
||||
export class App {
|
||||
name:string;
|
||||
constructor() {
|
||||
this.name = \`Angular!\`
|
||||
}
|
||||
}`);
|
||||
|
||||
write('module.ts', `
|
||||
import {NgModule} from '@angular/core';
|
||||
import {Greet} from './greet';
|
||||
import {App} from './app';
|
||||
|
||||
@NgModule({
|
||||
declarations: [Greet, App]
|
||||
})
|
||||
export class MyModule {}
|
||||
`);
|
||||
});
|
||||
|
||||
afterEach(() => { jasmine.DEFAULT_TIMEOUT_INTERVAL = originalTimeout; });
|
||||
|
||||
function writeAppConfig(location: string) {
|
||||
writeConfig(`{
|
||||
"extends": "./tsconfig-base.json",
|
||||
"compilerOptions": {
|
||||
"outDir": "${location}"
|
||||
}
|
||||
}`);
|
||||
}
|
||||
|
||||
function expectRecompile(cb: () => void) {
|
||||
return (done: DoneFn) => {
|
||||
writeAppConfig('dist');
|
||||
const compile = watchMode({p: basePath}, errorSpy);
|
||||
|
||||
return new Promise(resolve => {
|
||||
compile.ready(() => {
|
||||
cb();
|
||||
|
||||
// Allow the watch callbacks to occur and trigger the timer.
|
||||
trigger();
|
||||
|
||||
// Expect the file to trigger a result.
|
||||
whenResults().then(message => {
|
||||
expect(message).toMatch(/File change detected/);
|
||||
compile.close();
|
||||
done();
|
||||
resolve();
|
||||
});
|
||||
});
|
||||
});
|
||||
};
|
||||
}
|
||||
|
||||
it('should recompile when config file changes', expectRecompile(() => writeAppConfig('dist2')));
|
||||
|
||||
it('should recompile when a ts file changes', expectRecompile(() => {
|
||||
write('greet.ts', `
|
||||
import {Component, Input} from '@angular/core';
|
||||
|
||||
@Component({
|
||||
selector: 'greet',
|
||||
templateUrl: 'greet.html',
|
||||
styleUrls: ['greet.css'],
|
||||
})
|
||||
export class Greet {
|
||||
@Input()
|
||||
name: string;
|
||||
age: number;
|
||||
}
|
||||
`);
|
||||
}));
|
||||
|
||||
it('should recomiple when the html file changes',
|
||||
expectRecompile(() => { write('greet.html', '<p> Hello {{name}} again!</p>'); }));
|
||||
|
||||
it('should recompile when the css file changes',
|
||||
expectRecompile(() => { write('greet.css', `p.greeting { color: blue }`); }));
|
||||
});
|
||||
});
|
||||
|
|
|
|||
|
|
@ -42,8 +42,8 @@ export class AotCompiler {
|
|||
|
||||
analyzeModulesSync(rootFiles: string[]): NgAnalyzedModules {
|
||||
const programSymbols = extractProgramSymbols(this._symbolResolver, rootFiles, this._host);
|
||||
const analyzeResult =
|
||||
analyzeAndValidateNgModules(programSymbols, this._host, this._metadataResolver);
|
||||
const analyzeResult = analyzeAndValidateNgModules(
|
||||
programSymbols, this._host, this._symbolResolver, this._metadataResolver);
|
||||
analyzeResult.ngModules.forEach(
|
||||
ngModule => this._metadataResolver.loadNgModuleDirectiveAndPipeMetadata(
|
||||
ngModule.type.reference, true));
|
||||
|
|
@ -52,8 +52,8 @@ export class AotCompiler {
|
|||
|
||||
analyzeModulesAsync(rootFiles: string[]): Promise<NgAnalyzedModules> {
|
||||
const programSymbols = extractProgramSymbols(this._symbolResolver, rootFiles, this._host);
|
||||
const analyzeResult =
|
||||
analyzeAndValidateNgModules(programSymbols, this._host, this._metadataResolver);
|
||||
const analyzeResult = analyzeAndValidateNgModules(
|
||||
programSymbols, this._host, this._symbolResolver, this._metadataResolver);
|
||||
return Promise
|
||||
.all(analyzeResult.ngModules.map(
|
||||
ngModule => this._metadataResolver.loadNgModuleDirectiveAndPipeMetadata(
|
||||
|
|
@ -400,16 +400,24 @@ export interface NgAnalyzeModulesHost { isSourceFile(filePath: string): boolean;
|
|||
// Returns all the source files and a mapping from modules to directives
|
||||
export function analyzeNgModules(
|
||||
programStaticSymbols: StaticSymbol[], host: NgAnalyzeModulesHost,
|
||||
staticSymbolResolver: StaticSymbolResolver,
|
||||
metadataResolver: CompileMetadataResolver): NgAnalyzedModules {
|
||||
const programStaticSymbolsWithDecorators = programStaticSymbols.filter(
|
||||
symbol => !symbol.filePath.endsWith('.d.ts') ||
|
||||
staticSymbolResolver.hasDecorators(symbol.filePath));
|
||||
const {ngModules, symbolsMissingModule} =
|
||||
_createNgModules(programStaticSymbols, host, metadataResolver);
|
||||
return _analyzeNgModules(programStaticSymbols, ngModules, symbolsMissingModule, metadataResolver);
|
||||
_createNgModules(programStaticSymbolsWithDecorators, host, metadataResolver);
|
||||
return _analyzeNgModules(
|
||||
programStaticSymbols, programStaticSymbolsWithDecorators, ngModules, symbolsMissingModule,
|
||||
metadataResolver);
|
||||
}
|
||||
|
||||
export function analyzeAndValidateNgModules(
|
||||
programStaticSymbols: StaticSymbol[], host: NgAnalyzeModulesHost,
|
||||
staticSymbolResolver: StaticSymbolResolver,
|
||||
metadataResolver: CompileMetadataResolver): NgAnalyzedModules {
|
||||
const result = analyzeNgModules(programStaticSymbols, host, metadataResolver);
|
||||
const result =
|
||||
analyzeNgModules(programStaticSymbols, host, staticSymbolResolver, metadataResolver);
|
||||
if (result.symbolsMissingModule && result.symbolsMissingModule.length) {
|
||||
const messages = result.symbolsMissingModule.map(
|
||||
s =>
|
||||
|
|
@ -420,8 +428,8 @@ export function analyzeAndValidateNgModules(
|
|||
}
|
||||
|
||||
function _analyzeNgModules(
|
||||
programSymbols: StaticSymbol[], ngModuleMetas: CompileNgModuleMetadata[],
|
||||
symbolsMissingModule: StaticSymbol[],
|
||||
programSymbols: StaticSymbol[], programSymbolsWithDecorators: StaticSymbol[],
|
||||
ngModuleMetas: CompileNgModuleMetadata[], symbolsMissingModule: StaticSymbol[],
|
||||
metadataResolver: CompileMetadataResolver): NgAnalyzedModules {
|
||||
const moduleMetasByRef = new Map<any, CompileNgModuleMetadata>();
|
||||
ngModuleMetas.forEach((ngModule) => moduleMetasByRef.set(ngModule.type.reference, ngModule));
|
||||
|
|
@ -436,7 +444,10 @@ function _analyzeNgModules(
|
|||
programSymbols.forEach((symbol) => {
|
||||
const filePath = symbol.filePath;
|
||||
filePaths.add(filePath);
|
||||
});
|
||||
programSymbolsWithDecorators.forEach((symbol) => {
|
||||
if (metadataResolver.isInjectable(symbol)) {
|
||||
const filePath = symbol.filePath;
|
||||
ngInjectablesByFile.set(filePath, (ngInjectablesByFile.get(filePath) || []).concat(symbol));
|
||||
}
|
||||
});
|
||||
|
|
|
|||
|
|
@ -250,6 +250,24 @@ export class StaticSymbolResolver {
|
|||
return this.staticSymbolCache.get(declarationFile, name, members);
|
||||
}
|
||||
|
||||
/**
|
||||
* hasDecorators checks a file's metadata for the presense of decorators without evalutating the
|
||||
* metada.
|
||||
*
|
||||
* @param filePath the absolute path to examine for decorators.
|
||||
* @returns true if any class in the file has a decorator.
|
||||
*/
|
||||
hasDecorators(filePath: string): boolean {
|
||||
const metadata = this.getModuleMetadata(filePath);
|
||||
if (metadata['metadata']) {
|
||||
return Object.keys(metadata['metadata']).some((metadataKey) => {
|
||||
const entry = metadata['metadata'][metadataKey];
|
||||
return entry && entry.__symbolic === 'class' && entry.decorators;
|
||||
});
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
getSymbolsOf(filePath: string): StaticSymbol[] {
|
||||
// Note: Some users use libraries that were not compiled with ngc, i.e. they don't
|
||||
// have summaries, only .d.ts files. So we always need to check both, the summary
|
||||
|
|
|
|||
|
|
@ -57,8 +57,8 @@ export class Extractor {
|
|||
|
||||
extract(rootFiles: string[]): Promise<MessageBundle> {
|
||||
const programSymbols = extractProgramSymbols(this.staticSymbolResolver, rootFiles, this.host);
|
||||
const {files, ngModules} =
|
||||
analyzeAndValidateNgModules(programSymbols, this.host, this.metadataResolver);
|
||||
const {files, ngModules} = analyzeAndValidateNgModules(
|
||||
programSymbols, this.host, this.staticSymbolResolver, this.metadataResolver);
|
||||
return Promise
|
||||
.all(ngModules.map(
|
||||
ngModule => this.metadataResolver.loadNgModuleDirectiveAndPipeMetadata(
|
||||
|
|
|
|||
|
|
@ -151,7 +151,7 @@ export class TypeScriptServiceHost implements LanguageServiceHost {
|
|||
analyzeHost);
|
||||
|
||||
analyzedModules = this.analyzedModules =
|
||||
analyzeNgModules(programSymbols, analyzeHost, this.resolver);
|
||||
analyzeNgModules(programSymbols, analyzeHost, this.staticSymbolResolver, this.resolver);
|
||||
}
|
||||
return analyzedModules;
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue