98 lines
2.4 KiB
Plaintext
98 lines
2.4 KiB
Plaintext
import * as TsConfigLoader2 from "./tsconfig-loader";
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import * as path from "path";
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import { options } from "./options";
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export interface ExplicitParams {
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baseUrl: string;
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paths: { [key: string]: Array<string> };
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mainFields?: Array<string>;
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addMatchAll?: boolean;
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}
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export type TsConfigLoader = (
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params: TsConfigLoader2.TsConfigLoaderParams
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) => TsConfigLoader2.TsConfigLoaderResult;
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export interface ConfigLoaderParams {
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cwd: string;
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explicitParams?: ExplicitParams;
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tsConfigLoader?: TsConfigLoader;
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}
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export interface ConfigLoaderSuccessResult {
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resultType: "success";
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configFileAbsolutePath: string;
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baseUrl: string;
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absoluteBaseUrl: string;
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paths: { [key: string]: Array<string> };
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mainFields?: Array<string>;
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addMatchAll?: boolean;
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}
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export interface ConfigLoaderFailResult {
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resultType: "failed";
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message: string;
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}
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export type ConfigLoaderResult =
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| ConfigLoaderSuccessResult
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| ConfigLoaderFailResult;
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export function loadConfig(cwd: string = options.cwd): ConfigLoaderResult {
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return configLoader({ cwd: cwd });
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}
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export function configLoader({
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cwd,
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explicitParams,
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tsConfigLoader = TsConfigLoader2.tsConfigLoader,
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}: ConfigLoaderParams): ConfigLoaderResult {
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if (explicitParams) {
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// tslint:disable-next-line:no-shadowed-variable
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const absoluteBaseUrl = path.isAbsolute(explicitParams.baseUrl)
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? explicitParams.baseUrl
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: path.join(cwd, explicitParams.baseUrl);
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return {
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resultType: "success",
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configFileAbsolutePath: "",
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baseUrl: explicitParams.baseUrl,
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absoluteBaseUrl,
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paths: explicitParams.paths,
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mainFields: explicitParams.mainFields,
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addMatchAll: explicitParams.addMatchAll,
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};
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}
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// Load tsconfig and create path matching function
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const loadResult = tsConfigLoader({
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cwd,
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getEnv: (key: string) => process.env[key],
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});
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if (!loadResult.tsConfigPath) {
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return {
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resultType: "failed",
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message: "Couldn't find tsconfig.json",
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};
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}
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if (!loadResult.baseUrl) {
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return {
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resultType: "failed",
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message: "Missing baseUrl in compilerOptions",
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};
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}
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const tsConfigDir = path.dirname(loadResult.tsConfigPath);
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const absoluteBaseUrl = path.join(tsConfigDir, loadResult.baseUrl);
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return {
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resultType: "success",
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configFileAbsolutePath: loadResult.tsConfigPath,
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baseUrl: loadResult.baseUrl,
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absoluteBaseUrl,
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paths: loadResult.paths || {},
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};
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}
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