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TypeScriptVersionFeature.ts
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TypeScriptVersionFeature.ts
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/*
* Copyright © 2019 Atomist, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import {
LocalProject,
logger,
} from "@atomist/automation-client";
import { execPromise } from "@atomist/sdm";
import {
Feature,
sha256,
} from "@atomist/sdm-pack-fingerprints";
import { PackageJson } from "@atomist/sdm-pack-node";
import * as _ from "lodash";
const TypeScriptVersionType = "typescript-version";
const PackageJsonName = "package.json";
export const TypeScriptVersionFeature: Feature = {
name: "typescriptVersion",
displayName: "TypeScript Version",
extract: async p => {
if (!(await p.hasFile(PackageJsonName))) {
return undefined;
}
try {
const pj = JSON.parse(await (await p.getFile(PackageJsonName)).getContent()) as PackageJson;
const versions = [
_.get(pj.dependencies, "typescript"),
_.get(pj.devDependencies, "typescript"),
].filter(v => !!v);
if (versions.length === 0) {
return undefined;
}
return {
type: TypeScriptVersionType,
name: TypeScriptVersionType,
abbreviation: "tsv",
version: "0.1.0",
data: versions,
sha: sha256(JSON.stringify(versions)),
};
} catch (e) {
logger.warn("Error extracting TypeScript version: %s", e.message);
return undefined;
}
},
apply: async (p, fp) => {
if (fp.data.length !== 1) {
return false;
}
if (!(await p.hasFile(PackageJsonName))) {
return false;
}
if (!(p as LocalProject).baseDir) {
return false;
}
await execPromise(
"npm",
["install", `typescript@${fp.data[0]}`, "--save-dev", "--safe-exact"],
{ cwd: (p as LocalProject).baseDir });
return true;
},
toDisplayableFingerprintName: () => "TypeScript version",
toDisplayableFingerprint: fp => fp.data.versions.map(v => v.version).join(","),
};