@nestjs/cli
Version:
Nest - modern, fast, powerful node.js web framework (@cli)
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JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.WatchCompiler = void 0;
const errors_1 = require("../ui/errors");
const get_value_or_default_1 = require("./helpers/get-value-or-default");
const tsconfig_paths_hook_1 = require("./hooks/tsconfig-paths.hook");
class WatchCompiler {
constructor(pluginsLoader, tsConfigProvider, typescriptLoader) {
this.pluginsLoader = pluginsLoader;
this.tsConfigProvider = tsConfigProvider;
this.typescriptLoader = typescriptLoader;
}
run(configuration, configFilename, appName, tsCompilerOptions, onSuccess) {
const tsBin = this.typescriptLoader.load();
const configPath = tsBin.findConfigFile(process.cwd(), tsBin.sys.fileExists, configFilename);
if (!configPath) {
throw new Error(errors_1.CLI_ERRORS.MISSING_TYPESCRIPT(configFilename));
}
const { options, projectReferences } = this.tsConfigProvider.getByConfigFilename(configFilename);
const createProgram = tsBin.createEmitAndSemanticDiagnosticsBuilderProgram;
const origDiagnosticReporter = tsBin.createDiagnosticReporter(tsBin.sys, true);
const origWatchStatusReporter = tsBin.createWatchStatusReporter(tsBin.sys, true);
const host = tsBin.createWatchCompilerHost(configPath, Object.assign(Object.assign({}, options), tsCompilerOptions), tsBin.sys, createProgram, this.createDiagnosticReporter(origDiagnosticReporter), this.createWatchStatusChanged(origWatchStatusReporter, onSuccess));
const pluginsConfig = (0, get_value_or_default_1.getValueOrDefault)(configuration, 'compilerOptions.plugins', appName);
const plugins = this.pluginsLoader.load(pluginsConfig);
const origCreateProgram = host.createProgram;
host.createProgram = (rootNames, options,
// tslint:disable-next-line:no-shadowed-variable
host, oldProgram) => {
const tsconfigPathsPlugin = options ? (0, tsconfig_paths_hook_1.tsconfigPathsBeforeHookFactory)(options) : null;
const program = origCreateProgram(rootNames, options, host, oldProgram, undefined, projectReferences);
const origProgramEmit = program.emit;
program.emit = (targetSourceFile, writeFile, cancellationToken, emitOnlyDtsFiles, customTransformers) => {
let transforms = customTransformers;
transforms = typeof transforms !== 'object' ? {} : transforms;
const before = plugins.beforeHooks.map((hook) => hook(program.getProgram()));
const after = plugins.afterHooks.map((hook) => hook(program.getProgram()));
const afterDeclarations = plugins.afterDeclarationsHooks.map((hook) => hook(program.getProgram()));
if (tsconfigPathsPlugin) {
before.unshift(tsconfigPathsPlugin);
}
transforms.before = before.concat(transforms.before || []);
transforms.after = after.concat(transforms.after || []);
transforms.afterDeclarations = afterDeclarations.concat(transforms.afterDeclarations || []);
return origProgramEmit(targetSourceFile, writeFile, cancellationToken, emitOnlyDtsFiles, transforms);
};
return program;
};
tsBin.createWatchProgram(host);
}
createDiagnosticReporter(diagnosticReporter) {
return function (diagnostic, ...args) {
return diagnosticReporter.call(this, diagnostic, ...args);
};
}
createWatchStatusChanged(watchStatusReporter, onSuccess) {
return function (diagnostic, ...args) {
const messageText = diagnostic && diagnostic.messageText;
const noErrorsMessage = '0 errors';
if (messageText &&
messageText.includes &&
messageText.includes(noErrorsMessage) &&
onSuccess) {
onSuccess();
}
return watchStatusReporter.call(this, diagnostic, ...args);
};
}
}
exports.WatchCompiler = WatchCompiler;