50 lines
1.7 KiB
TypeScript
50 lines
1.7 KiB
TypeScript
import { clone } from 'lodash';
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import {
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CompilerHost,
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CompilerOptions,
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createCompilerHost,
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createProgram,
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ModuleKind,
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ModuleResolutionKind,
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ScriptTarget,
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} from 'typescript';
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import { COMPILER_OPTIONS, PLUGIN_PATHS, TS_CONFIG } from './helpers';
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import { emitInjectableClasses, extractInjectables } from './transformers/extract-injectables';
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import { importsTransformer } from './transformers/imports';
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import { pluginClassTransformer } from './transformers/plugin-class';
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let host: CompilerHost;
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export function getCompilerHost() {
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if (!host) host = createCompilerHost(TS_CONFIG);
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return host;
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}
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export function getProgram(declaration = false, pluginPaths: string[] = PLUGIN_PATHS) {
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const compilerOptions: CompilerOptions = clone(COMPILER_OPTIONS);
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compilerOptions.declaration = declaration;
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compilerOptions.moduleResolution = ModuleResolutionKind.NodeJs;
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compilerOptions.target = ScriptTarget.ES5;
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compilerOptions.module = ModuleKind.ES2015;
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compilerOptions.inlineSourceMap = true;
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compilerOptions.inlineSources = true;
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compilerOptions.lib = ['lib.dom.d.ts', 'lib.es5.d.ts', 'lib.es2015.d.ts', 'lib.es2016.d.ts', 'lib.es2017.d.ts'];
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return createProgram(pluginPaths, compilerOptions, getCompilerHost());
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}
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export function generateDeclarations(sourceFiles?: string[]) {
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return getProgram(true, sourceFiles).emit(undefined, getCompilerHost().writeFile, undefined, true);
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}
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export function transpile() {
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const emitResult = getProgram().emit(undefined, getCompilerHost().writeFile, undefined, false, {
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before: [extractInjectables(), importsTransformer(), pluginClassTransformer()],
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});
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emitInjectableClasses();
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return emitResult;
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}
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