aws-cdk/lib/cli/util/npm.js

CDK Toolkit, the command line tool for CDK apps

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.getLatestVersionFromNpm = getLatestVersionFromNpm;
const child_process_1 = require("child_process");
const util_1 = require("util");
const semver = require("semver");
const logging_1 = require("../../logging");
const error_1 = require("../../toolkit/error");
const exec = (0, util_1.promisify)(child_process_1.exec);
/* istanbul ignore next: not called during unit tests */
async function getLatestVersionFromNpm() {
    const { stdout, stderr } = await exec('npm view aws-cdk version', { timeout: 3000 });
    if (stderr && stderr.trim().length > 0) {
        (0, logging_1.debug)(`The 'npm view' command generated an error stream with content [${stderr.trim()}]`);
    }
    const latestVersion = stdout.trim();
    if (!semver.valid(latestVersion)) {
        throw new error_1.ToolkitError(`npm returned an invalid semver ${latestVersion}`);
    }
    return latestVersion;
}
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