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This commit is contained in:
Ryan Cavanaugh 2018-06-01 09:44:35 -07:00
parent d21c03ab9d
commit 7a1de6142b
2 changed files with 31 additions and 5 deletions
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34
src/compiler/tsbuild.ts
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@ -332,6 +332,7 @@ namespace ts {
if (sourceFile === undefined) {
return undefined;
}
const parsed = parseJsonSourceFileConfigFileContent(sourceFile, configParseHost, getDirectoryPath(configFilePath));
parsed.options.configFilePath = configFilePath;
cache.setValue(configFilePath, parsed);
@ -410,7 +411,7 @@ namespace ts {
}
];
export function performBuild(host: CompilerHost, reportDiagnostic: DiagnosticReporter, args: string[]) {
export function performBuild(host: CompilerHost, reportDiagnostic: DiagnosticReporter, args: string[], system?: System) {
let verbose = false;
let dry = false;
let force = false;
@ -472,7 +473,7 @@ namespace ts {
addProject(".");
}
const builder = createSolutionBuilder(host, projects, reportDiagnostic, { verbose, dry, force });
const builder = createSolutionBuilder(host, projects, reportDiagnostic, { verbose, dry, force }, system);
if (clean) {
builder.cleanAllProjects();
}
@ -480,6 +481,10 @@ namespace ts {
builder.buildAllProjects();
}
if (watch) {
return builder.startWatching();
}
function addProject(projectSpecification: string) {
const fileName = resolvePath(host.getCurrentDirectory(), projectSpecification);
const refPath = resolveProjectReferencePath(host, { path: fileName });
@ -500,7 +505,7 @@ namespace ts {
* A SolutionBuilder has an immutable set of rootNames that are the "entry point" projects, but
* can dynamically add/remove other projects based on changes on the rootNames' references
*/
export function createSolutionBuilder(host: CompilerHost, rootNames: ReadonlyArray<string>, reportDiagnostic: DiagnosticReporter, defaultOptions: BuildOptions) {
export function createSolutionBuilder(host: CompilerHost, rootNames: ReadonlyArray<string>, reportDiagnostic: DiagnosticReporter, defaultOptions: BuildOptions, system?: System) {
if (!host.getModifiedTime || !host.setModifiedTime) {
throw new Error("Host must support timestamp APIs");
}
@ -520,9 +525,30 @@ namespace ts {
buildInvalidatedProjects,
buildDependentInvalidatedProjects,
resolveProjectName
resolveProjectName,
startWatching
};
function startWatching() {
if (!system) throw new Error("System host must be provided if using --watch");
if (!system.watchFile || !system.watchDirectory || !system.setTimeout) throw new Error("System host must support watchFile / watchDirectory / setTimeout if using --watch");
const graph = getGlobalDependencyGraph()!;
for (const resolved of graph.buildQueue) {
const cfg = configFileCache.parseConfigFile(resolved);
if (cfg) {
for (const input of cfg.fileNames) {
system.watchFile(input, () => {
invalidateProject(resolved);
system.setTimeout!(buildInvalidatedProjects, 100);
system.setTimeout!(buildDependentInvalidatedProjects, 3000);
});
}
}
}
}
function resetBuildContext(opts = defaultOptions) {
context = createBuildContext(opts, reportDiagnostic);
}

2
src/compiler/tsc.ts
View File

@ -50,7 +50,7 @@ namespace ts {
export function executeCommandLine(args: string[]): void {
if ((args[0].toLowerCase() === "--build") || (args[0].toLowerCase() === "-b")) {
return performBuild(createCompilerHost({}), createDiagnosticReporter(sys), args.slice(1));
return performBuild(createCompilerHost({}), createDiagnosticReporter(sys), args.slice(1), sys);
}
const commandLine = parseCommandLine(args);