mirror of https://github.com/pulumi/pulumi.git
74 lines
2.8 KiB
TypeScript
74 lines
2.8 KiB
TypeScript
// Copyright 2016-2022, Pulumi Corporation.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// The typescript and tsnode imports are used for type-checking only. Do not reference them in the emitted code.
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import * as typescript from "typescript";
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import * as tsnode from "ts-node";
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import * as fs from "fs";
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import * as path from "path";
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import * as log from "./log";
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/**
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* @internal
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*/
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export function loadTypeScriptCompilerOptions(tsConfigPath: string): object {
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try {
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const tsConfigString = fs.readFileSync(tsConfigPath).toString();
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// Using local `require("./typescript-shim")` to avoid always loading
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// and only load on-demand, avoid up to 300s overhead in Node runtime.
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const ts: typeof typescript = require("./typescript-shim");
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const tsConfig = ts.parseConfigFileTextToJson(tsConfigPath, tsConfigString).config;
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return tsConfig["compilerOptions"] ?? {};
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} catch (err) {
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log.debug(`Ignoring error in loadCompilerOptions(${tsConfigPath}}): ${err}`);
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return {};
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}
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}
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/**
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* Determine the strings used for requiring `typescript` and `ts-node`.
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*
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* @internal
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*/
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export function typeScriptRequireStrings(): { typescriptRequire: string; tsnodeRequire: string } {
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let typescriptRequire = "typescript";
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let tsnodeRequire = "ts-node";
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try {
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// Try loading typescript from node_modules
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const ts: typeof typescript = require("typescript");
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const tsPath = require.resolve("typescript");
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log.debug(`Found typescript version ${ts.version} at ${tsPath}`);
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} catch (error) {
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// Fallback to the vendored version
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typescriptRequire = path.join(__dirname, "vendor", "typescript@3.8.3", "typescript.js");
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log.debug(`Using vendored typescript@3.8.3`);
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}
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try {
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// Try loading ts-node from node_modules
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const tsn: typeof tsnode = require(tsnodeRequire);
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const tsnPath = require.resolve("ts-node");
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log.debug(`Found ts-node version: ${tsn.VERSION} at ${tsnPath}`);
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} catch (error) {
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// Fallback to the vendored version
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tsnodeRequire = path.join(__dirname, "vendor", "ts-node@7.0.1");
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log.debug(`Using vendored ts-node@7.0.1`);
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}
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return {
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typescriptRequire,
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tsnodeRequire,
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};
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}
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