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Add default message when a node.js version is deprecated #879

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rosen-vladimirov merged 1 commit into from
Jan 20, 2017
Merged

Add default message when a node.js version is deprecated #879

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26 changes: 20 additions & 6 deletions verify-node-version.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -12,21 +12,35 @@ var os = require("os"),
var versionsCausingFailure = ["0.10.34", "4.0.0", "4.2.0", "5.0.0"];
var minimumRequiredVersion = "4.2.1";

export function verifyNodeVersion(supportedVersionsRange: string, cliName: string): void {
export function verifyNodeVersion(supportedVersionsRange: string, cliName: string, deprecatedVersions?: string[]): void {
// The colors module should not be assigned to variable because the lint task will fail for not used variable.
require("colors");

var nodeVer = process.version.substr(1);
var nodeVer = process.version.substr(1),
isNodeVersionDeprecated = false;

if (versionsCausingFailure.indexOf(nodeVer) !== -1 || !semver.valid(nodeVer) || semver.lt(nodeVer, minimumRequiredVersion)) {
console.error(util.format("%sNode.js '%s' is not supported. To be able to work with %s CLI, install any Node.js version in the following range: %s.%s",
os.EOL, nodeVer, cliName, supportedVersionsRange, os.EOL).red.bold);
os.EOL, nodeVer, cliName, supportedVersionsRange, os.EOL).red.bold);
process.exit(1);
}

var checkSatisfied = semver.satisfies(nodeVer, supportedVersionsRange);
if (!checkSatisfied) {
console.log(util.format("%sSupport for Node.js %s is not verified. This CLI might not install or run properly.%s", os.EOL, nodeVer, os.EOL).yellow.bold);
if (deprecatedVersions) {
deprecatedVersions.forEach(version => {
if (semver.satisfies(nodeVer, version)) {
var message = os.EOL + "Support for Node.js " + version + " is deprecated and will be removed in the next release of " + cliName + ". Please, upgrade to the latest Node.js LTS version. " + os.EOL ;
console.warn(message.yellow.bold);
isNodeVersionDeprecated = true;
return false;
}
});
}

if (!isNodeVersionDeprecated) {
var checkSatisfied = semver.satisfies(nodeVer, supportedVersionsRange);
if (!checkSatisfied) {
console.log(util.format("%sSupport for Node.js %s is not verified. This CLI might not install or run properly.%s", os.EOL, nodeVer, os.EOL).yellow.bold);
}
}
}
/* tslint:enable */