#15526

Committed 31 Mar 2026 12:22AM UTC coverage: 88.96% (-0.08%) from 89.035%

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Commit Message

Merge 9a1249f1c into f3673e7df

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173 of 193 new or added lines in 9 files covered. (89.64%)

2 existing lines in 2 files now uncovered.

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71.34

/src/ProgramBuilder.ts

import * as debounce from 'debounce-promise';
import * as path from 'path';
import { rokuDeploy } from 'roku-deploy';
import type { LogLevel as RokuDeployLogLevel } from 'roku-deploy/dist/Logger';
import type { BsConfig, FinalizedBsConfig } from './BsConfig';
import type { BscFile, BsDiagnostic, FileObj, FileResolver } from './interfaces';
import { Program } from './Program';
import { standardizePath as s, util } from './util';
import { Watcher } from './Watcher';
import { DiagnosticSeverity } from 'vscode-languageserver';
import type { Logger } from './logging';
import { LogLevel, createLogger } from './logging';
import PluginInterface from './PluginInterface';
import * as diagnosticUtils from './diagnosticUtils';
import * as fsExtra from 'fs-extra';
import * as requireRelative from 'require-relative';
import { Throttler } from './Throttler';
import { URI } from 'vscode-uri';

/**
 * A runner class that handles
 */
export class ProgramBuilder {

    public constructor(
        options?: {
            logger?: Logger;
        }
    ) {
        this.logger = options?.logger ?? createLogger();
        this.plugins = new PluginInterface([], { logger: this.logger });

        //add the default file resolver (used to load source file contents).
        this.addFileResolver((filePath) => {
            return fsExtra.readFile(filePath).then((value) => {
                return value.toString();
            });
        });
    }
    /**
     * Determines whether the console should be cleared after a run (true for cli, false for languageserver)
     */
    public allowConsoleClearing = true;

    public options: FinalizedBsConfig = util.normalizeConfig({});
    private isRunning = false;
    private watcher: Watcher | undefined;
    public program: Program | undefined;
    public logger: Logger;
    public plugins: PluginInterface;
    private fileResolvers = [] as FileResolver[];

    /**
     * Add file resolvers that will be able to provide file contents before loading from the file system
     * @param fileResolvers a list of file resolvers
     */
    public addFileResolver(...fileResolvers: FileResolver[]) {
        this.fileResolvers.push(...fileResolvers);
    }

    /**
     * Get the contents of the specified file as a string.
     * This walks backwards through the file resolvers until we get a value.
     * This allow the language server to provide file contents directly from memory.
     */
    public async getFileContents(srcPath: string) {
        srcPath = s`${srcPath}`;
        let reversedResolvers = [...this.fileResolvers].reverse();
        for (let fileResolver of reversedResolvers) {
            let result = await fileResolver(srcPath);
            if (typeof result === 'string') {
                return result;
            }
        }
        throw new Error(`Could not load file "${srcPath}"`);
    }

    /**
     * A list of diagnostics that are always added to the `getDiagnostics()` call.
     */
    private staticDiagnostics = [] as BsDiagnostic[];

    public addDiagnostic(srcPath: string, diagnostic: Partial<BsDiagnostic>) {
        if (!this.program) {
            throw new Error('Cannot call `ProgramBuilder.addDiagnostic` before `ProgramBuilder.run()`');
        }
        let file: BscFile | undefined = this.program.getFile(srcPath);
        if (!file) {
            file = {
                pkgPath: path.basename(srcPath),
                pathAbsolute: srcPath, //keep this for backwards-compatibility. TODO remove in v1
                srcPath: srcPath,
                getDiagnostics: () => {
                    return [<any>diagnostic];
                }
            } as BscFile;
        }
        diagnostic.file = file;
        this.staticDiagnostics.push(<any>diagnostic);
    }

    public getDiagnostics() {
        return [
            ...this.staticDiagnostics,
            ...(this.program?.getDiagnostics() ?? [])
        ];
    }

    public async run(options: BsConfig & {
        /**
         * Should validation run? Default is `true`. You must set explicitly to `false` to disable.
         * @deprecated this is an experimental flag, and its behavior may change in a future release
         * @default true
         */
        validate?: boolean;
    }) {
        if (options?.logLevel) {
            this.logger.logLevel = options.logLevel;
        }

        if (this.isRunning) {
            throw new Error('Server is already running');
        }
        this.isRunning = true;
        try {
            this.options = util.normalizeAndResolveConfig(options);
            if (this.options?.logLevel !== undefined) {
                this.logger.logLevel = this.options?.logLevel;
            }

            if (this.options.noProject) {
                this.logger.log(`'no-project' flag is set so bsconfig.json loading is disabled'`);
            } else if (this.options.project) {
                this.logger.log(`Using config file: "${this.options.project}"`);
            } else {
                this.logger.log(`No bsconfig.json file found, using default options`);
            }
            this.loadRequires();
            this.loadPlugins();
        } catch (e: any) {
            //For now, just use a default options object so we have a functioning program
            this.options = util.normalizeConfig({
                showDiagnosticsInConsole: options?.showDiagnosticsInConsole
            });

            if (e?.file && e.message && e.code) {
                let err = e as BsDiagnostic;
                this.staticDiagnostics.push(err);
            } else {
                //if this is not a diagnostic, something else is wrong...
                throw e;
            }

            this.printDiagnostics();
        }
        this.logger.logLevel = this.options.logLevel;

        this.createProgram();

        //parse every file in the entire project
        await this.loadAllFilesAST();

        if (this.options.watch) {
            this.logger.log('Starting compilation in watch mode...');
            await this.runOnce({
                validate: options?.validate
            });
            this.enableWatchMode();
        } else {
            await this.runOnce({
                validate: options?.validate
            });
        }
    }

    protected createProgram() {
        this.program = new Program(this.options, this.logger, this.plugins);

        this.plugins.emit('afterProgramCreate', this.program);

        return this.program;
    }

    protected loadPlugins() {
        const cwd = this.options.cwd ?? process.cwd();
        const plugins = util.loadPlugins(
            cwd,
            this.options.plugins ?? [],
            (pathOrModule, err) => this.logger.error(`Error when loading plugin '${pathOrModule}':`, err)
        );
        this.logger.log(`Loading ${this.options.plugins?.length ?? 0} plugins for cwd "${cwd}"`, this.options.plugins);
        for (let plugin of plugins) {
            this.plugins.add(plugin);
        }

        this.plugins.emit('beforeProgramCreate', this);
    }

    /**
     * `require()` every options.require path
     */
    protected loadRequires() {
        for (const dep of this.options.require ?? []) {
            requireRelative(dep, this.options.cwd);
        }
    }

    private clearConsole() {
        if (this.allowConsoleClearing) {
            util.clearConsole();
        }
    }

    /**
     * A handle for the watch mode interval that keeps the process alive.
     * We need this so we can clear it if the builder is disposed
     */
    private watchInterval: NodeJS.Timer | undefined;

    public enableWatchMode() {
        this.watcher = new Watcher(this.options);
        if (this.watchInterval) {
            clearInterval(this.watchInterval);
        }
        //keep the process alive indefinitely by setting an interval that runs once every 12 days
        this.watchInterval = setInterval(() => { }, 1073741824);

        //clear the console
        this.clearConsole();

        let fileObjects = rokuDeploy.normalizeFilesArray(this.options.files ? this.options.files : []);

        //add each set of files to the file watcher
        for (let fileObject of fileObjects) {
            let src = typeof fileObject === 'string' ? fileObject : fileObject.src;
            this.watcher.watch(src);
        }

        this.logger.log('Watching for file changes...');

        let debouncedRunOnce = debounce(async () => {
            this.logger.log('File change detected. Starting incremental compilation...');
            await this.runOnce();
            this.logger.log(`Watching for file changes.`);
        }, 50);

        //on any file watcher event
        this.watcher.on('all', async (event: string, thePath: string) => { //eslint-disable-line @typescript-eslint/no-misused-promises
            if (!this.program) {
                throw new Error('Internal invariant exception: somehow file watcher ran before `ProgramBuilder.run()`');
            }
            thePath = s`${path.resolve(this.rootDir, thePath)}`;
            //ignore file events for synthetic files (e.g. extracted CDATA scripts) — they are managed
            //programmatically by XmlFile and don't exist on disk in the source directory
            if (this.program.getFile(thePath)?.isSynthetic) {
                return;
            }
            if (event === 'add' || event === 'change') {
                const fileObj = {
                    src: thePath,
                    dest: rokuDeploy.getDestPath(
                        thePath,
                        this.program.options.files,
                        //some shells will toTowerCase the drive letter, so do it to rootDir for consistency
                        util.driveLetterToLower(this.rootDir)
                    )
                };
                this.program.setFile(
                    fileObj,
                    await this.getFileContents(fileObj.src)
                );
            } else if (event === 'unlink') {
                this.program.removeFile(thePath);
            }
            //wait for change events to settle, and then execute `run`
            await debouncedRunOnce();
        });
    }

    /**
     * The rootDir for this program.
     */
    public get rootDir() {
        if (!this.program) {
            throw new Error('Cannot access `ProgramBuilder.rootDir` until after `ProgramBuilder.run()`');
        }
        return this.program.options.rootDir;
    }

    /**
     * A method that is used to cancel a previous run task.
     * Does nothing if previous run has completed or was already canceled
     */
    private cancelLastRun = () => {
        return Promise.resolve();
    };

    /**
     * Run the entire process exactly one time.
     */
    private runOnce(options?: { validate?: boolean }) {
        //clear the console
        this.clearConsole();
        let cancellationToken = { isCanceled: false };
        //wait for the previous run to complete
        let runPromise = this.cancelLastRun().then(() => {
            //start the new run
            return this._runOnce({
                cancellationToken: cancellationToken,
                validate: options?.validate
            });
        }) as any;

        //a function used to cancel this run
        this.cancelLastRun = () => {
            cancellationToken.isCanceled = true;
            return runPromise;
        };
        return runPromise;
    }

    private printDiagnostics(diagnostics?: BsDiagnostic[]) {
        if (this.options?.showDiagnosticsInConsole === false) {
            return;
        }
        if (!diagnostics) {
            diagnostics = this.getDiagnostics();
        }

        //group the diagnostics by file
        let diagnosticsByFile = {} as Record<string, BsDiagnostic[]>;
        for (let diagnostic of diagnostics) {
            if (!diagnosticsByFile[diagnostic.file.srcPath]) {
                diagnosticsByFile[diagnostic.file.srcPath] = [];
            }
            diagnosticsByFile[diagnostic.file.srcPath].push(diagnostic);
        }

        //get printing options
        const options = diagnosticUtils.getPrintDiagnosticOptions(this.options);
        const { cwd, emitFullPaths } = options;

        let srcPaths = Object.keys(diagnosticsByFile).sort();
        for (let srcPath of srcPaths) {
            let diagnosticsForFile = diagnosticsByFile[srcPath];
            //sort the diagnostics in line and column order
            let sortedDiagnostics = diagnosticsForFile.sort((a, b) => {
                return (
                    (a.range?.start.line ?? -1) - (b.range?.start.line ?? -1) ||
                    (a.range?.start.character ?? -1) - (b.range?.start.character ?? -1)
                );
            });

            let filePath = srcPath;
            if (!emitFullPaths) {
                filePath = path.relative(cwd, filePath);
            }
            //load the file text
            const file = this.program?.getFile(srcPath);
            //get the file's in-memory contents if available
            const lines = file?.fileContents?.split(/\r?\n/g) ?? [];

            for (let diagnostic of sortedDiagnostics) {
                //default the severity to error if undefined
                let severity = typeof diagnostic.severity === 'number' ? diagnostic.severity : DiagnosticSeverity.Error;
                let relatedInformation = (diagnostic.relatedInformation ?? []).map(x => {
                    let relatedInfoFilePath = URI.parse(x.location.uri).fsPath;
                    if (!emitFullPaths) {
                        relatedInfoFilePath = path.relative(cwd, relatedInfoFilePath);
                    }
                    return {
                        filePath: relatedInfoFilePath,
                        range: x.location.range,
                        message: x.message
                    };
                });
                //format output
                diagnosticUtils.printDiagnostic(options, severity, filePath, lines, diagnostic, relatedInformation);
            }
        }
    }

    /**
     * Run the process once, allowing it to be cancelled.
     * NOTE: This should only be called by `runOnce`.
     */
    private async _runOnce(options: { cancellationToken: { isCanceled: any }; validate: boolean }) {
        let wereDiagnosticsPrinted = false;
        try {
            //maybe cancel?
            if (options?.cancellationToken?.isCanceled === true) {
                return -1;
            }
            //validate program. false means no, everything else (including missing) means true
            if (options?.validate !== false) {
                this.validateProject();
            }

            //maybe cancel?
            if (options?.cancellationToken?.isCanceled === true) {
                return -1;
            }

            const diagnostics = this.getDiagnostics();
            this.printDiagnostics(diagnostics);
            wereDiagnosticsPrinted = true;
            let errorCount = diagnostics.filter(x => x.severity === DiagnosticSeverity.Error).length;

            if (errorCount > 0) {
                this.logger.log(`Found ${errorCount} ${errorCount === 1 ? 'error' : 'errors'}`);
                return errorCount;
            }

            //create the deployment package (and transpile as well)
            await this.createPackageIfEnabled();

            //maybe cancel?
            if (options?.cancellationToken?.isCanceled === true) {
                return -1;
            }

            //deploy the package
            await this.deployPackageIfEnabled();

            return 0;
        } catch (e) {
            if (wereDiagnosticsPrinted === false) {
                this.printDiagnostics();
            }
            throw e;
        }
    }

    private async createPackageIfEnabled() {
        if (this.options.copyToStaging || this.options.createPackage || this.options.deploy) {

            //transpile the project
            await this.transpile();

            //create the zip file if configured to do so
            if (this.options.createPackage !== false || this.options.deploy) {
                await this.logger.time(LogLevel.log, [`Creating package at ${this.options.outFile}`], async () => {
                    await rokuDeploy.zipPackage({
                        ...this.options,
                        logLevel: this.options.logLevel as unknown as RokuDeployLogLevel,
                        outDir: util.getOutDir(this.options),
                        outFile: path.basename(this.options.outFile)
                    });
                });
            }
        }
    }

    private transpileThrottler = new Throttler(0);
    /**
     * Transpiles the entire program into the staging folder
     */
    public async transpile() {
        await this.transpileThrottler.run(async () => {
            let options = util.cwdWork(this.options.cwd, () => {
                return rokuDeploy.getOptions({
                    ...this.options,
                    logLevel: this.options.logLevel as unknown as RokuDeployLogLevel,
                    outDir: util.getOutDir(this.options),
                    outFile: path.basename(this.options.outFile)

                    //rokuDeploy's return type says all its fields can be nullable, but it sets values for all of them.
                }) as any as Required<ReturnType<typeof rokuDeploy.getOptions>>;
            });

            //get every file referenced by the files array
            let fileMap = await rokuDeploy.getFilePaths(options.files, options.rootDir);

            //remove files currently loaded in the program, we will transpile those instead (even if just for source maps)
            let filteredFileMap = [] as FileObj[];

            for (let fileEntry of fileMap) {
                if (this.program!.hasFile(fileEntry.src) === false) {
                    filteredFileMap.push(fileEntry);
                }
            }

            this.plugins.emit('beforePrepublish', this, filteredFileMap);

            await this.logger.time(LogLevel.log, ['Copying to staging directory'], async () => {
                //prepublish all non-program-loaded files to staging
                await rokuDeploy.prepublishToStaging({
                    ...options,
                    files: filteredFileMap
                });
            });

            this.plugins.emit('afterPrepublish', this, filteredFileMap);
            this.plugins.emit('beforePublish', this, fileMap);

            await this.logger.time(LogLevel.log, ['Transpiling'], async () => {
                //transpile any brighterscript files
                await this.program!.transpile(fileMap, options.stagingDir);
            });

            this.plugins.emit('afterPublish', this, fileMap);
        });
    }

    private async deployPackageIfEnabled() {
        //deploy the project if configured to do so
        if (this.options.deploy) {
            await this.logger.time(LogLevel.log, ['Deploying package to', this.options.host], async () => {
                await rokuDeploy.publish({
                    ...this.options,
                    logLevel: this.options.logLevel as unknown as RokuDeployLogLevel,
                    outDir: util.getOutDir(this.options),
                    outFile: path.basename(this.options.outFile)
                });
            });
        }
    }

    /**
     * Parse and load the AST for every file in the project
     */
    private async loadAllFilesAST() {
        await this.logger.time(LogLevel.log, ['Parsing files'], async () => {
            let files = await this.logger.time(LogLevel.debug, ['getFilePaths'], async () => {
                return util.getFilePaths(this.options);
            });
            this.logger.trace('ProgramBuilder.loadAllFilesAST() files:', files);

            const typedefFiles = [] as FileObj[];
            const sourceFiles = [] as FileObj[];
            let manifestFile: FileObj | null = null;

            for (const file of files) {
                // source files (.brs, .bs, .xml)
                if (/(?<!\.d)\.(bs|brs|xml)$/i.test(file.dest)) {
                    sourceFiles.push(file);

                    // typedef files (.d.bs)
                } else if (/\.d\.bs$/i.test(file.dest)) {
                    typedefFiles.push(file);

                    // manifest file
                } else if (/^manifest$/i.test(file.dest)) {
                    manifestFile = file;
                }
            }

            if (manifestFile) {
                this.program!.loadManifest(manifestFile, false);
            }

            const loadFile = async (fileObj) => {
                try {
                    this.program!.setFile(fileObj, await this.getFileContents(fileObj.src));
                } catch (e) {
                    this.logger.log(e); // log the error, but don't fail this process because the file might be fixable later
                }
            };
            await Promise.all(typedefFiles.map(loadFile)); // preload every type definition file, which eliminates duplicate file loading
            await Promise.all(sourceFiles.map(loadFile)); // parse source files
        });
    }

    /**
     * Remove all files from the program that are in the specified folder path
     * @param srcPath the path to the folder to remove
     */
    public removeFilesInFolder(srcPath: string): boolean {
        let removedSomeFiles = false;
        for (let filePath in this.program.files) {
            //if the file path starts with the parent path and the file path does not exactly match the folder path
            if (filePath.startsWith(srcPath) && filePath !== srcPath) {
                this.program.removeFile(filePath);
                removedSomeFiles = true;
            }
        }
        return removedSomeFiles;
    }

    /**
     * Scan every file and resolve all variable references.
     * If no errors were encountered, return true. Otherwise return false.
     */
    private validateProject() {
        this.program.validate();
    }

    public dispose() {
        if (this.watcher) {
            this.watcher.dispose();
        }
        if (this.program) {
            this.program.dispose?.();
        }
        if (this.watchInterval) {
            clearInterval(this.watchInterval);
        }
    }
}

1	import * as debounce from 'debounce-promise';	1✔
2	import * as path from 'path';	1✔
3	import { rokuDeploy } from 'roku-deploy';	1✔
4	import type { LogLevel as RokuDeployLogLevel } from 'roku-deploy/dist/Logger';
5	import type { BsConfig, FinalizedBsConfig } from './BsConfig';
6	import type { BscFile, BsDiagnostic, FileObj, FileResolver } from './interfaces';
7	import { Program } from './Program';	1✔
8	import { standardizePath as s, util } from './util';	1✔
9	import { Watcher } from './Watcher';	1✔
10	import { DiagnosticSeverity } from 'vscode-languageserver';	1✔
11	import type { Logger } from './logging';
12	import { LogLevel, createLogger } from './logging';	1✔
13	import PluginInterface from './PluginInterface';	1✔
14	import * as diagnosticUtils from './diagnosticUtils';	1✔
15	import * as fsExtra from 'fs-extra';	1✔
16	import * as requireRelative from 'require-relative';	1✔
17	import { Throttler } from './Throttler';	1✔
18	import { URI } from 'vscode-uri';	1✔
19
20	/**
21	* A runner class that handles
22	*/
23	export class ProgramBuilder {	1✔
24
25	public constructor(
26	options?: {
27	logger?: Logger;
28	}
29	) {
30	this.logger = options?.logger ?? createLogger();	142✔
31	this.plugins = new PluginInterface([], { logger: this.logger });	142✔
32
33	//add the default file resolver (used to load source file contents).
34	this.addFileResolver((filePath) => {	142✔
35	return fsExtra.readFile(filePath).then((value) => {	70✔
36	return value.toString();	70✔
37	});
38	});
39	}
40	/**
41	* Determines whether the console should be cleared after a run (true for cli, false for languageserver)
42	*/
43	public allowConsoleClearing = true;	142✔
44
45	public options: FinalizedBsConfig = util.normalizeConfig({});	142✔
46	private isRunning = false;	142✔
47	private watcher: Watcher \| undefined;
48	public program: Program \| undefined;
49	public logger: Logger;
50	public plugins: PluginInterface;
51	private fileResolvers = [] as FileResolver[];	142✔
52
53	/**
54	* Add file resolvers that will be able to provide file contents before loading from the file system
55	* @param fileResolvers a list of file resolvers
56	*/
57	public addFileResolver(...fileResolvers: FileResolver[]) {
58	this.fileResolvers.push(...fileResolvers);	142✔
59	}
60
61	/**
62	* Get the contents of the specified file as a string.
63	* This walks backwards through the file resolvers until we get a value.
64	* This allow the language server to provide file contents directly from memory.
65	*/
66	public async getFileContents(srcPath: string) {
67	srcPath = s`${srcPath}`;	70✔
68	let reversedResolvers = [...this.fileResolvers].reverse();	70✔
69	for (let fileResolver of reversedResolvers) {	70✔
70	let result = await fileResolver(srcPath);	75✔
71	if (typeof result === 'string') {	75✔
72	return result;	70✔
73	}
74	}
75	throw new Error(`Could not load file "${srcPath}"`);	×
76	}
77
78	/**
79	* A list of diagnostics that are always added to the `getDiagnostics()` call.
80	*/
81	private staticDiagnostics = [] as BsDiagnostic[];	142✔
82
83	public addDiagnostic(srcPath: string, diagnostic: Partial<BsDiagnostic>) {
84	if (!this.program) {	1!
85	throw new Error('Cannot call `ProgramBuilder.addDiagnostic` before `ProgramBuilder.run()`');	×
86	}
87	let file: BscFile \| undefined = this.program.getFile(srcPath);	1✔
88	if (!file) {	1!
89	file = {	1✔
90	pkgPath: path.basename(srcPath),
91	pathAbsolute: srcPath, //keep this for backwards-compatibility. TODO remove in v1
92	srcPath: srcPath,
93	getDiagnostics: () => {
94	return [<any>diagnostic];	×
95	}
96	} as BscFile;
97	}
98	diagnostic.file = file;	1✔
99	this.staticDiagnostics.push(<any>diagnostic);	1✔
100	}
101
102	public getDiagnostics() {
103	return [	287✔
104	...this.staticDiagnostics,
105	...(this.program?.getDiagnostics() ?? [])	1,722!
106	];
107	}
108
109	public async run(options: BsConfig & {
110	/**
111	* Should validation run? Default is `true`. You must set explicitly to `false` to disable.
112	* @deprecated this is an experimental flag, and its behavior may change in a future release
113	* @default true
114	*/
115	validate?: boolean;
116	}) {
117	if (options?.logLevel) {	127✔
118	this.logger.logLevel = options.logLevel;	2✔
119	}
120
121	if (this.isRunning) {	127!
122	throw new Error('Server is already running');	×
123	}
124	this.isRunning = true;	127✔
125	try {	127✔
126	this.options = util.normalizeAndResolveConfig(options);	127✔
127	if (this.options?.logLevel !== undefined) {	125!
128	this.logger.logLevel = this.options?.logLevel;	125!
129	}
130
131	if (this.options.noProject) {	125!
132	this.logger.log(`'no-project' flag is set so bsconfig.json loading is disabled'`);	×
133	} else if (this.options.project) {	125✔
134	this.logger.log(`Using config file: "${this.options.project}"`);	53✔
135	} else {
136	this.logger.log(`No bsconfig.json file found, using default options`);	72✔
137	}
138	this.loadRequires();	125✔
139	this.loadPlugins();	125✔
140	} catch (e: any) {
141	//For now, just use a default options object so we have a functioning program
142	this.options = util.normalizeConfig({	2✔
143	showDiagnosticsInConsole: options?.showDiagnosticsInConsole	6!
144	});
145
146	if (e?.file && e.message && e.code) {	2!
147	let err = e as BsDiagnostic;	2✔
148	this.staticDiagnostics.push(err);	2✔
149	} else {
150	//if this is not a diagnostic, something else is wrong...
151	throw e;	×
152	}
153
154	this.printDiagnostics();	2✔
155	}
156	this.logger.logLevel = this.options.logLevel;	127✔
157
158	this.createProgram();	127✔
159
160	//parse every file in the entire project
161	await this.loadAllFilesAST();	127✔
162
163	if (this.options.watch) {	127!
164	this.logger.log('Starting compilation in watch mode...');	×
165	await this.runOnce({	×
166	validate: options?.validate	×
167	});
168	this.enableWatchMode();	×
169	} else {
170	await this.runOnce({	127✔
171	validate: options?.validate	381✔
172	});
173	}
174	}
175
176	protected createProgram() {
177	this.program = new Program(this.options, this.logger, this.plugins);	128✔
178
179	this.plugins.emit('afterProgramCreate', this.program);	128✔
180
181	return this.program;	128✔
182	}
183
184	protected loadPlugins() {
185	const cwd = this.options.cwd ?? process.cwd();	125!
186	const plugins = util.loadPlugins(	125✔
187	cwd,
188	this.options.plugins ?? [],	375!
189	(pathOrModule, err) => this.logger.error(`Error when loading plugin '${pathOrModule}':`, err)	×
190	);
191	this.logger.log(`Loading ${this.options.plugins?.length ?? 0} plugins for cwd "${cwd}"`, this.options.plugins);	125!
192	for (let plugin of plugins) {	125✔
193	this.plugins.add(plugin);	1✔
194	}
195
196	this.plugins.emit('beforeProgramCreate', this);	125✔
197	}
198
199	/**
200	* `require()` every options.require path
201	*/
202	protected loadRequires() {
203	for (const dep of this.options.require ?? []) {	125✔
204	requireRelative(dep, this.options.cwd);	2✔
205	}
206	}
207
208	private clearConsole() {
209	if (this.allowConsoleClearing) {	124!
210	util.clearConsole();	124✔
211	}
212	}
213
214	/**
215	* A handle for the watch mode interval that keeps the process alive.
216	* We need this so we can clear it if the builder is disposed
217	*/
218	private watchInterval: NodeJS.Timer \| undefined;
219
220	public enableWatchMode() {
221	this.watcher = new Watcher(this.options);	×
222	if (this.watchInterval) {	×
223	clearInterval(this.watchInterval);	×
224	}
225	//keep the process alive indefinitely by setting an interval that runs once every 12 days
226	this.watchInterval = setInterval(() => { }, 1073741824);	×
227
228	//clear the console
229	this.clearConsole();	×
230
231	let fileObjects = rokuDeploy.normalizeFilesArray(this.options.files ? this.options.files : []);	×
232
233	//add each set of files to the file watcher
234	for (let fileObject of fileObjects) {	×
235	let src = typeof fileObject === 'string' ? fileObject : fileObject.src;	×
236	this.watcher.watch(src);	×
237	}
238
239	this.logger.log('Watching for file changes...');	×
240
241	let debouncedRunOnce = debounce(async () => {	×
242	this.logger.log('File change detected. Starting incremental compilation...');	×
243	await this.runOnce();	×
244	this.logger.log(`Watching for file changes.`);	×
245	}, 50);
246
247	//on any file watcher event
248	this.watcher.on('all', async (event: string, thePath: string) => { //eslint-disable-line @typescript-eslint/no-misused-promises	×
249	if (!this.program) {	×
250	throw new Error('Internal invariant exception: somehow file watcher ran before `ProgramBuilder.run()`');	×
251	}
252	thePath = s`${path.resolve(this.rootDir, thePath)}`;	×
253	//ignore file events for synthetic files (e.g. extracted CDATA scripts) — they are managed
254	//programmatically by XmlFile and don't exist on disk in the source directory
NEW 255	if (this.program.getFile(thePath)?.isSynthetic) {	×
NEW 256	return;	×
257	}
258	if (event === 'add' \|\| event === 'change') {	×
259	const fileObj = {	×
260	src: thePath,
261	dest: rokuDeploy.getDestPath(
262	thePath,
263	this.program.options.files,
264	//some shells will toTowerCase the drive letter, so do it to rootDir for consistency
265	util.driveLetterToLower(this.rootDir)
266	)
267	};
268	this.program.setFile(	×
269	fileObj,
270	await this.getFileContents(fileObj.src)
271	);
272	} else if (event === 'unlink') {	×
273	this.program.removeFile(thePath);	×
274	}
275	//wait for change events to settle, and then execute `run`
276	await debouncedRunOnce();	×
277	});
278	}
279
280	/**
281	* The rootDir for this program.
282	*/
283	public get rootDir() {
284	if (!this.program) {	×
285	throw new Error('Cannot access `ProgramBuilder.rootDir` until after `ProgramBuilder.run()`');	×
286	}
287	return this.program.options.rootDir;	×
288	}
289
290	/**
291	* A method that is used to cancel a previous run task.
292	* Does nothing if previous run has completed or was already canceled
293	*/
294	private cancelLastRun = () => {	142✔
295	return Promise.resolve();	124✔
296	};
297
298	/**
299	* Run the entire process exactly one time.
300	*/
301	private runOnce(options?: { validate?: boolean }) {
302	//clear the console
303	this.clearConsole();	124✔
304	let cancellationToken = { isCanceled: false };	124✔
305	//wait for the previous run to complete
306	let runPromise = this.cancelLastRun().then(() => {	124✔
307	//start the new run
308	return this._runOnce({	124✔
309	cancellationToken: cancellationToken,
310	validate: options?.validate	372!
311	});
312	}) as any;
313
314	//a function used to cancel this run
315	this.cancelLastRun = () => {	124✔
316	cancellationToken.isCanceled = true;	×
317	return runPromise;	×
318	};
319	return runPromise;	124✔
320	}
321
322	private printDiagnostics(diagnostics?: BsDiagnostic[]) {
323	if (this.options?.showDiagnosticsInConsole === false) {	132!
324	return;	118✔
325	}
326	if (!diagnostics) {	14✔
327	diagnostics = this.getDiagnostics();	6✔
328	}
329
330	//group the diagnostics by file
331	let diagnosticsByFile = {} as Record<string, BsDiagnostic[]>;	14✔
332	for (let diagnostic of diagnostics) {	14✔
333	if (!diagnosticsByFile[diagnostic.file.srcPath]) {	7✔
334	diagnosticsByFile[diagnostic.file.srcPath] = [];	6✔
335	}
336	diagnosticsByFile[diagnostic.file.srcPath].push(diagnostic);	7✔
337	}
338
339	//get printing options
340	const options = diagnosticUtils.getPrintDiagnosticOptions(this.options);	14✔
341	const { cwd, emitFullPaths } = options;	14✔
342
343	let srcPaths = Object.keys(diagnosticsByFile).sort();	14✔
344	for (let srcPath of srcPaths) {	14✔
345	let diagnosticsForFile = diagnosticsByFile[srcPath];	6✔
346	//sort the diagnostics in line and column order
347	let sortedDiagnostics = diagnosticsForFile.sort((a, b) => {	6✔
348	return (	1✔
349	(a.range?.start.line ?? -1) - (b.range?.start.line ?? -1) \|\|	14!
350	(a.range?.start.character ?? -1) - (b.range?.start.character ?? -1)	12!
351	);
352	});
353
354	let filePath = srcPath;	6✔
355	if (!emitFullPaths) {	6!
356	filePath = path.relative(cwd, filePath);	6✔
357	}
358	//load the file text
359	const file = this.program?.getFile(srcPath);	6!
360	//get the file's in-memory contents if available
361	const lines = file?.fileContents?.split(/\r?\n/g) ?? [];	6✔
362
363	for (let diagnostic of sortedDiagnostics) {	6✔
364	//default the severity to error if undefined
365	let severity = typeof diagnostic.severity === 'number' ? diagnostic.severity : DiagnosticSeverity.Error;	7✔
366	let relatedInformation = (diagnostic.relatedInformation ?? []).map(x => {	7!
367	let relatedInfoFilePath = URI.parse(x.location.uri).fsPath;	×
368	if (!emitFullPaths) {	×
369	relatedInfoFilePath = path.relative(cwd, relatedInfoFilePath);	×
370	}
371	return {	×
372	filePath: relatedInfoFilePath,
373	range: x.location.range,
374	message: x.message
375	};
376	});
377	//format output
378	diagnosticUtils.printDiagnostic(options, severity, filePath, lines, diagnostic, relatedInformation);	7✔
379	}
380	}
381	}
382
383	/**
384	* Run the process once, allowing it to be cancelled.
385	* NOTE: This should only be called by `runOnce`.
386	*/
387	private async _runOnce(options: { cancellationToken: { isCanceled: any }; validate: boolean }) {
388	let wereDiagnosticsPrinted = false;	124✔
389	try {	124✔
390	//maybe cancel?
391	if (options?.cancellationToken?.isCanceled === true) {	124!
392	return -1;	×
393	}
394	//validate program. false means no, everything else (including missing) means true
395	if (options?.validate !== false) {	124!
396	this.validateProject();	7✔
397	}
398
399	//maybe cancel?
400	if (options?.cancellationToken?.isCanceled === true) {	124!
401	return -1;	×
402	}
403
404	const diagnostics = this.getDiagnostics();	124✔
405	this.printDiagnostics(diagnostics);	124✔
406	wereDiagnosticsPrinted = true;	124✔
407	let errorCount = diagnostics.filter(x => x.severity === DiagnosticSeverity.Error).length;	124✔
408
409	if (errorCount > 0) {	124✔
410	this.logger.log(`Found ${errorCount} ${errorCount === 1 ? 'error' : 'errors'}`);	2!
411	return errorCount;	2✔
412	}
413
414	//create the deployment package (and transpile as well)
415	await this.createPackageIfEnabled();	122✔
416
417	//maybe cancel?
418	if (options?.cancellationToken?.isCanceled === true) {	122!
419	return -1;	×
420	}
421
422	//deploy the package
423	await this.deployPackageIfEnabled();	122✔
424
425	return 0;	122✔
426	} catch (e) {
427	if (wereDiagnosticsPrinted === false) {	×
428	this.printDiagnostics();	×
429	}
430	throw e;	×
431	}
432	}
433
434	private async createPackageIfEnabled() {
435	if (this.options.copyToStaging \|\| this.options.createPackage \|\| this.options.deploy) {	122✔
436
437	//transpile the project
438	await this.transpile();	4✔
439
440	//create the zip file if configured to do so
441	if (this.options.createPackage !== false \|\| this.options.deploy) {	4✔
442	await this.logger.time(LogLevel.log, [`Creating package at ${this.options.outFile}`], async () => {	2✔
443	await rokuDeploy.zipPackage({	2✔
444	...this.options,
445	logLevel: this.options.logLevel as unknown as RokuDeployLogLevel,
446	outDir: util.getOutDir(this.options),
447	outFile: path.basename(this.options.outFile)
448	});
449	});
450	}
451	}
452	}
453
454	private transpileThrottler = new Throttler(0);	142✔
455	/**
456	* Transpiles the entire program into the staging folder
457	*/
458	public async transpile() {
459	await this.transpileThrottler.run(async () => {	4✔
460	let options = util.cwdWork(this.options.cwd, () => {	4✔
461	return rokuDeploy.getOptions({	4✔
462	...this.options,
463	logLevel: this.options.logLevel as unknown as RokuDeployLogLevel,
464	outDir: util.getOutDir(this.options),
465	outFile: path.basename(this.options.outFile)
466
467	//rokuDeploy's return type says all its fields can be nullable, but it sets values for all of them.
468	}) as any as Required<ReturnType<typeof rokuDeploy.getOptions>>;
469	});
470
471	//get every file referenced by the files array
472	let fileMap = await rokuDeploy.getFilePaths(options.files, options.rootDir);	4✔
473
474	//remove files currently loaded in the program, we will transpile those instead (even if just for source maps)
475	let filteredFileMap = [] as FileObj[];	4✔
476
477	for (let fileEntry of fileMap) {	4✔
478	if (this.program!.hasFile(fileEntry.src) === false) {	4✔
479	filteredFileMap.push(fileEntry);	2✔
480	}
481	}
482
483	this.plugins.emit('beforePrepublish', this, filteredFileMap);	4✔
484
485	await this.logger.time(LogLevel.log, ['Copying to staging directory'], async () => {	4✔
486	//prepublish all non-program-loaded files to staging
487	await rokuDeploy.prepublishToStaging({	4✔
488	...options,
489	files: filteredFileMap
490	});
491	});
492
493	this.plugins.emit('afterPrepublish', this, filteredFileMap);	4✔
494	this.plugins.emit('beforePublish', this, fileMap);	4✔
495
496	await this.logger.time(LogLevel.log, ['Transpiling'], async () => {	4✔
497	//transpile any brighterscript files
498	await this.program!.transpile(fileMap, options.stagingDir);	4✔
499	});
500
501	this.plugins.emit('afterPublish', this, fileMap);	4✔
502	});
503	}
504
505	private async deployPackageIfEnabled() {
506	//deploy the project if configured to do so
507	if (this.options.deploy) {	122!
508	await this.logger.time(LogLevel.log, ['Deploying package to', this.options.host], async () => {	×
509	await rokuDeploy.publish({	×
510	...this.options,
511	logLevel: this.options.logLevel as unknown as RokuDeployLogLevel,
512	outDir: util.getOutDir(this.options),
513	outFile: path.basename(this.options.outFile)
514	});
515	});
516	}
517	}
518
519	/**
520	* Parse and load the AST for every file in the project
521	*/
522	private async loadAllFilesAST() {
523	await this.logger.time(LogLevel.log, ['Parsing files'], async () => {	129✔
524	let files = await this.logger.time(LogLevel.debug, ['getFilePaths'], async () => {	129✔
525	return util.getFilePaths(this.options);	129✔
526	});
527	this.logger.trace('ProgramBuilder.loadAllFilesAST() files:', files);	129✔
528
529	const typedefFiles = [] as FileObj[];	129✔
530	const sourceFiles = [] as FileObj[];	129✔
531	let manifestFile: FileObj \| null = null;	129✔
532
533	for (const file of files) {	129✔
534	// source files (.brs, .bs, .xml)
535	if (/(?<!\.d)\.(bs\|brs\|xml)$/i.test(file.dest)) {	90✔
536	sourceFiles.push(file);	74✔
537
538	// typedef files (.d.bs)
539	} else if (/\.d\.bs$/i.test(file.dest)) {	16✔
540	typedefFiles.push(file);	2✔
541
542	// manifest file
543	} else if (/^manifest$/i.test(file.dest)) {	14✔
544	manifestFile = file;	13✔
545	}
546	}
547
548	if (manifestFile) {	129✔
549	this.program!.loadManifest(manifestFile, false);	13✔
550	}
551
552	const loadFile = async (fileObj) => {	129✔
553	try {	76✔
554	this.program!.setFile(fileObj, await this.getFileContents(fileObj.src));	76✔
555	} catch (e) {
556	this.logger.log(e); // log the error, but don't fail this process because the file might be fixable later	×
557	}
558	};
559	await Promise.all(typedefFiles.map(loadFile)); // preload every type definition file, which eliminates duplicate file loading	129✔
560	await Promise.all(sourceFiles.map(loadFile)); // parse source files	129✔
561	});
562	}
563
564	/**
565	* Remove all files from the program that are in the specified folder path
566	* @param srcPath the path to the folder to remove
567	*/
568	public removeFilesInFolder(srcPath: string): boolean {
569	let removedSomeFiles = false;	×
570	for (let filePath in this.program.files) {	×
571	//if the file path starts with the parent path and the file path does not exactly match the folder path
572	if (filePath.startsWith(srcPath) && filePath !== srcPath) {	×
573	this.program.removeFile(filePath);	×
574	removedSomeFiles = true;	×
575	}
576	}
577	return removedSomeFiles;	×
578	}
579
580	/**
581	* Scan every file and resolve all variable references.
582	* If no errors were encountered, return true. Otherwise return false.
583	*/
584	private validateProject() {
585	this.program.validate();	6✔
586	}
587
588	public dispose() {
589	if (this.watcher) {	136!
590	this.watcher.dispose();	×
591	}
592	if (this.program) {	136!
593	this.program.dispose?.();	136!
594	}
595	if (this.watchInterval) {	136!
596	clearInterval(this.watchInterval);	×
597	}
598	}
599	}

rokucommunity / brighterscript / #15526

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