tsbuild/ts/tsbuild.classes.compiler.ts

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// import all the stuff we need
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import * as plugins from './tsbuild.plugins.js';
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import { CompilerOptions, ScriptTarget, ModuleKind } from './tsbuild.exports.js';
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/**
* the default typescript compilerOptions
*/
export const compilerOptionsDefault: CompilerOptions = {
declaration: true,
emitDecoratorMetadata: true,
experimentalDecorators: true,
inlineSourceMap: true,
noEmitOnError: true,
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outDir: 'dist_ts/',
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module: plugins.typescript.ModuleKind.ES2020,
target: plugins.typescript.ScriptTarget.ES2020,
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moduleResolution: plugins.typescript.ModuleResolutionKind.Node12,
lib: [],
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noImplicitAny: true,
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esModuleInterop: true,
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importsNotUsedAsValues: plugins.typescript.ImportsNotUsedAsValues.Preserve
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};
export const compilerOptionsWebDefault: CompilerOptions = {
...compilerOptionsDefault,
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lib: [...compilerOptionsDefault.lib, 'lib.dom.d.ts']
};
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/**
* merges compilerOptions with the default compiler options
*/
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export const mergeCompilerOptions = (
customTsOptions: CompilerOptions,
argvArg?: any
): CompilerOptions => {
const defaultOptionsToMerge = (() => {
if (argvArg && argvArg.web) {
return compilerOptionsWebDefault;
} else {
return compilerOptionsDefault;
}
})();
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// create merged options
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const mergedOptions: CompilerOptions = {
...defaultOptionsToMerge,
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...customTsOptions,
...argvArg && argvArg.skiplibcheck ? {
skipLibCheck: true
} : {},
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...argvArg && argvArg.allowimplicitany ? {
noImplicitAny: false
} : {},
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...argvArg && argvArg.commonjs ? {
module: plugins.typescript.ModuleKind.CommonJS,
moduleResolution: plugins.typescript.ModuleResolutionKind.Classic,
} : {},
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};
return mergedOptions;
};
/**
* the internal main compiler function that compiles the files
*/
export const compiler = (
fileNames: string[],
options: plugins.typescript.CompilerOptions,
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argvArg?: any
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): Promise<any[]> => {
console.log(`Compiling ${fileNames.length} files...`);
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const done = plugins.smartpromise.defer<any[]>();
const program = plugins.typescript.createProgram(fileNames, options);
const emitResult = program.emit();
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// implement check only
/*let emitResult = program.emit(undefined,(args) => {
console.log(args)
});*/
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const allDiagnostics = plugins.typescript
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.getPreEmitDiagnostics(program)
.concat(emitResult.diagnostics);
allDiagnostics.forEach(diagnostic => {
if (diagnostic.file) {
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const { line, character } = diagnostic.file.getLineAndCharacterOfPosition(diagnostic.start!);
const message = plugins.typescript.flattenDiagnosticMessageText(diagnostic.messageText, '\n');
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console.log(`${diagnostic.file.fileName} (${line + 1},${character + 1}): ${message}`);
} else {
console.log(
`${plugins.typescript.flattenDiagnosticMessageText(diagnostic.messageText, '\n')}`
);
}
});
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const exitCode = emitResult.emitSkipped ? 1 : 0;
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if (exitCode === 0) {
console.log('TypeScript emit succeeded!');
done.resolve(emitResult.emittedFiles);
} else {
console.error('TypeScript emit failed. Please investigate!');
process.exit(exitCode);
}
return done.promise;
};