Add preserveWatchOutput option to build option and report starting compilation and file changes detected status
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2 changed files with 16 additions and 1 deletions
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@ -54,6 +54,7 @@ namespace ts {
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/*@internal*/ clean?: boolean;
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/*@internal*/ watch?: boolean;
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/*@internal*/ help?: boolean;
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preserveWatchOutput?: boolean;
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}
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enum BuildResultFlags {
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@ -465,6 +466,12 @@ namespace ts {
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host.reportSolutionBuilderStatus(createCompilerDiagnostic(message, ...args));
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}
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function reportWatchStatus(message: DiagnosticMessage, ...args: string[]) {
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if (hostWithWatch.onWatchStatusChange) {
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hostWithWatch.onWatchStatusChange(createCompilerDiagnostic(message, ...args), host.getNewLine(), { preserveWatchOutput: context.options.preserveWatchOutput });
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}
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}
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function startWatching() {
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const graph = getGlobalDependencyGraph()!;
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if (!graph.buildQueue) {
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@ -500,6 +507,7 @@ namespace ts {
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}
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function invalidateProjectAndScheduleBuilds(resolved: ResolvedConfigFileName) {
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reportWatchStatus(Diagnostics.File_change_detected_Starting_incremental_compilation);
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invalidateProject(resolved);
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if (!hostWithWatch.setTimeout) {
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return;
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@ -1038,6 +1046,7 @@ namespace ts {
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}
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function buildAllProjects(): ExitStatus {
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if (context.options.watch) { reportWatchStatus(Diagnostics.Starting_compilation_in_watch_mode); }
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const graph = getGlobalDependencyGraph();
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if (graph === undefined) return ExitStatus.DiagnosticsPresent_OutputsSkipped;
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@ -211,7 +211,13 @@ namespace ts {
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category: Diagnostics.Command_line_Options,
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description: Diagnostics.Watch_input_files,
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type: "boolean"
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}
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},
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{
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name: "preserveWatchOutput",
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type: "boolean",
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category: Diagnostics.Command_line_Options,
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description: Diagnostics.Whether_to_keep_outdated_console_output_in_watch_mode_instead_of_clearing_the_screen,
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},
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];
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let buildOptionNameMap: OptionNameMap | undefined;
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const returnBuildOptionNameMap = () => (buildOptionNameMap || (buildOptionNameMap = createOptionNameMap(buildOpts)));
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