setup-node/src/cache-utils.ts

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import * as core from '@actions/core';
import * as exec from '@actions/exec';
type SupportedPackageManagers = {
[prop: string]: PackageManagerInfo;
};
export interface PackageManagerInfo {
lockFilePatterns: Array<string>;
getCacheFolderCommand: string;
}
export const supportedPackageManagers: SupportedPackageManagers = {
npm: {
lockFilePatterns: ['package-lock.json', 'yarn.lock'],
getCacheFolderCommand: 'npm config get cache'
},
yarn1: {
lockFilePatterns: ['yarn.lock'],
getCacheFolderCommand: 'yarn cache dir'
},
yarn2: {
lockFilePatterns: ['yarn.lock'],
getCacheFolderCommand: 'yarn config get cacheFolder'
}
};
export const getCommandOutput = async (toolCommand: string) => {
const {stdout, stderr, exitCode} = await exec.getExecOutput(toolCommand);
if (stderr) {
throw new Error(stderr);
}
return stdout;
};
const getPackageManagerVersion = async (
packageManager: string,
command: string
) => {
const stdOut = await getCommandOutput(`${packageManager} ${command}`);
if (!stdOut) {
throw new Error(`Could not retrieve version of ${packageManager}`);
}
return stdOut;
};
export const getPackageManagerInfo = async (packageManager: string) => {
if (packageManager === 'npm') {
return supportedPackageManagers.npm;
} else if (packageManager === 'yarn') {
const yarnVersion = await getPackageManagerVersion('yarn', '--version');
core.debug(`Consumed yarn version is ${yarnVersion}`);
if (yarnVersion.startsWith('1.')) {
return supportedPackageManagers.yarn1;
} else {
return supportedPackageManagers.yarn2;
}
} else {
return null;
}
};
export const getCacheDirectoryPath = async (
packageManagerInfo: PackageManagerInfo,
packageManager: string
) => {
const stdOut = await getCommandOutput(
packageManagerInfo.getCacheFolderCommand
);
if (!stdOut) {
throw new Error(`Could not get cache folder path for ${packageManager}`);
}
core.debug(`${packageManager} path is ${stdOut}`);
return stdOut;
};