/
migrate.ts
765 lines (702 loc) · 21.8 KB
/
migrate.ts
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import { execSync } from 'child_process';
import { removeSync, writeFileSync, copyFileSync, existsSync } from 'fs-extra';
import * as yargsParser from 'yargs-parser';
import { dirname, join } from 'path';
import { gt, lte } from 'semver';
import { dirSync } from 'tmp';
import { logger } from '../shared/logger';
import { convertToCamelCase, handleErrors } from '../shared/params';
import { getPackageManagerCommand } from '../shared/package-manager';
import { flushChanges, FsTree } from '../shared/tree';
import {
JsonReadOptions,
readJsonFile,
writeJsonFile,
} from '../utils/fileutils';
import { appRootPath } from '../utils/app-root';
type Dependencies = 'dependencies' | 'devDependencies';
export type MigrationsJson = {
version: string;
collection?: string;
generators?: {
[name: string]: { version: string; description?: string; cli?: string };
};
packageJsonUpdates?: {
[name: string]: {
version: string;
packages: {
[p: string]: {
version: string;
ifPackageInstalled?: string;
alwaysAddToPackageJson?: boolean;
addToPackageJson?: Dependencies;
};
};
};
};
};
export function normalizeVersion(version: string) {
const [v, t] = version.split('-');
const [major, minor, patch] = v.split('.');
const newV = `${major || 0}.${minor || 0}.${patch || 0}`;
const newVersion = t ? `${newV}-${t}` : newV;
try {
gt(newVersion, '0.0.0');
return newVersion;
} catch (e) {
try {
gt(newV, '0.0.0');
return newV;
} catch (e) {
const withoutPatch = `${major || 0}.${minor || 0}.0`;
try {
if (gt(withoutPatch, '0.0.0')) {
return withoutPatch;
}
} catch (e) {
const withoutPatchAndMinor = `${major || 0}.0.0`;
try {
if (gt(withoutPatchAndMinor, '0.0.0')) {
return withoutPatchAndMinor;
}
} catch (e) {
return '0.0.0';
}
}
}
}
}
function slash(packageName) {
return packageName.replace(/\\/g, '/');
}
export class Migrator {
private readonly packageJson: any;
private readonly versions: (p: string) => string;
private readonly fetch: (p: string, v: string) => Promise<MigrationsJson>;
private readonly from: { [p: string]: string };
private readonly to: { [p: string]: string };
constructor(opts: {
packageJson: any;
versions: (p: string) => string;
fetch: (p: string, v: string) => Promise<MigrationsJson>;
from: { [p: string]: string };
to: { [p: string]: string };
}) {
this.packageJson = opts.packageJson;
this.versions = opts.versions;
this.fetch = opts.fetch;
this.from = opts.from;
this.to = opts.to;
}
async updatePackageJson(targetPackage: string, targetVersion: string) {
const packageJson = await this._updatePackageJson(
targetPackage,
{ version: targetVersion, addToPackageJson: false },
{}
);
const migrations = await this._createMigrateJson(packageJson);
return { packageJson, migrations };
}
private async _createMigrateJson(versions: {
[k: string]: { version: string; addToPackageJson: Dependencies | false };
}) {
const migrations = await Promise.all(
Object.keys(versions).map(async (c) => {
const currentVersion = this.versions(c);
if (currentVersion === null) return [];
const target = versions[c];
const migrationsJson = await this.fetch(c, target.version);
const generators = migrationsJson.generators;
if (!generators) return [];
return Object.keys(generators)
.filter(
(r) =>
generators[r].version &&
this.gt(generators[r].version, currentVersion) &&
this.lte(generators[r].version, target.version)
)
.map((r) => ({
...migrationsJson.generators[r],
package: c,
name: r,
}));
})
);
return migrations.reduce((m, c) => [...m, ...c], []);
}
private async _updatePackageJson(
targetPackage: string,
target: { version: string; addToPackageJson: Dependencies | false },
collectedVersions: {
[k: string]: { version: string; addToPackageJson: Dependencies | false };
}
) {
let targetVersion = target.version;
if (this.to[targetPackage]) {
targetVersion = this.to[targetPackage];
}
if (!this.versions(targetPackage)) {
return {
[targetPackage]: {
version: target.version,
addToPackageJson: target.addToPackageJson || false,
},
};
}
let migrationsJson;
try {
migrationsJson = await this.fetch(targetPackage, targetVersion);
targetVersion = migrationsJson.version;
} catch (e) {
if (e.message.indexOf('No matching version') > -1) {
throw new Error(
`${e.message}\nRun migrate with --to="package1@version1,package2@version2"`
);
} else {
throw e;
}
}
const packages = this.collapsePackages(
targetPackage,
targetVersion,
migrationsJson
);
const childCalls = await Promise.all(
Object.keys(packages)
.filter((r) => {
return (
!collectedVersions[r] ||
this.gt(packages[r].version, collectedVersions[r].version)
);
})
.map((u) =>
this._updatePackageJson(u, packages[u], {
...collectedVersions,
[targetPackage]: target,
})
)
);
return childCalls.reduce(
(m, c) => {
Object.keys(c).forEach((r) => {
if (!m[r] || this.gt(c[r].version, m[r].version)) {
m[r] = c[r];
}
});
return m;
},
{
[targetPackage]: {
version: migrationsJson.version,
addToPackageJson: target.addToPackageJson || false,
},
}
);
}
private collapsePackages(
packageName: string,
targetVersion: string,
m: MigrationsJson | null
) {
// this should be used to know what version to include
// we should use from everywhere we use versions
if (packageName === '@nrwl/workspace') {
if (!m.packageJsonUpdates) m.packageJsonUpdates = {};
m.packageJsonUpdates[`${targetVersion}-defaultPackages`] = {
version: targetVersion,
packages: [
'@nrwl/angular',
'@nrwl/cli',
'@nrwl/cypress',
'@nrwl/devkit',
'@nrwl/eslint-plugin-nx',
'@nrwl/express',
'@nrwl/gatsby',
'@nrwl/jest',
'@nrwl/linter',
'@nrwl/nest',
'@nrwl/next',
'@nrwl/node',
'@nrwl/nx-cloud',
'@nrwl/nx-plugin',
'@nrwl/react',
'@nrwl/storybook',
'@nrwl/tao',
'@nrwl/web',
'@nrwl/react-native',
'@nrwl/detox',
]
.filter((pkg) => {
const { dependencies, devDependencies } = this.packageJson;
return !!dependencies?.[pkg] || !!devDependencies?.[pkg];
})
.reduce(
(m, c) => ({
...m,
[c]: {
version: c === '@nrwl/nx-cloud' ? 'latest' : targetVersion,
alwaysAddToPackageJson: false,
},
}),
{}
),
};
}
if (!m.packageJsonUpdates || !this.versions(packageName)) return {};
return Object.keys(m.packageJsonUpdates)
.filter((r) => {
return (
this.gt(
m.packageJsonUpdates[r].version,
this.versions(packageName)
) && this.lte(m.packageJsonUpdates[r].version, targetVersion)
);
})
.map((r) => m.packageJsonUpdates[r].packages)
.map((packages) => {
if (!packages) return {};
return Object.keys(packages)
.filter(
(p) =>
!packages[p].ifPackageInstalled ||
this.versions(packages[p].ifPackageInstalled)
)
.reduce(
(m, c) => ({
...m,
[c]: {
version: packages[c].version,
addToPackageJson: packages[c].alwaysAddToPackageJson
? 'dependencies'
: packages[c].addToPackageJson || false,
},
}),
{}
);
})
.reduce((m, c) => ({ ...m, ...c }), {});
}
private gt(v1: string, v2: string) {
return gt(normalizeVersion(v1), normalizeVersion(v2));
}
private lte(v1: string, v2: string) {
return lte(normalizeVersion(v1), normalizeVersion(v2));
}
}
function normalizeVersionWithTagCheck(version: string) {
if (version === 'latest' || version === 'next') return version;
return normalizeVersion(version);
}
function versionOverrides(overrides: string, param: string) {
const res = {};
overrides.split(',').forEach((p) => {
const split = p.lastIndexOf('@');
if (split === -1 || split === 0) {
throw new Error(
`Incorrect '${param}' section. Use --${param}="package@version"`
);
}
const selectedPackage = p.substring(0, split).trim();
const selectedVersion = p.substring(split + 1).trim();
if (!selectedPackage || !selectedVersion) {
throw new Error(
`Incorrect '${param}' section. Use --${param}="package@version"`
);
}
res[slash(selectedPackage)] = normalizeVersionWithTagCheck(selectedVersion);
});
return res;
}
function parseTargetPackageAndVersion(args: string) {
if (!args) {
throw new Error(
`Provide the correct package name and version. E.g., @nrwl/workspace@9.0.0.`
);
}
if (args.indexOf('@') > -1) {
const i = args.lastIndexOf('@');
if (i === 0) {
const targetPackage = args.trim();
const targetVersion = 'latest';
return { targetPackage, targetVersion };
} else {
const targetPackage = args.substring(0, i);
const maybeVersion = args.substring(i + 1);
if (!targetPackage || !maybeVersion) {
throw new Error(
`Provide the correct package name and version. E.g., @nrwl/workspace@9.0.0.`
);
}
const targetVersion = normalizeVersionWithTagCheck(maybeVersion);
return { targetPackage, targetVersion };
}
} else {
if (args.match(/[0-9]/) || args === 'latest' || args === 'next') {
return {
targetPackage: '@nrwl/workspace',
targetVersion: normalizeVersionWithTagCheck(args),
};
} else {
return {
targetPackage: args,
targetVersion: 'latest',
};
}
}
}
type GenerateMigrations = {
type: 'generateMigrations';
targetPackage: string;
targetVersion: string;
from: { [k: string]: string };
to: { [k: string]: string };
};
type RunMigrations = { type: 'runMigrations'; runMigrations: string };
export function parseMigrationsOptions(
args: string[]
): GenerateMigrations | RunMigrations {
const options = convertToCamelCase(
yargsParser(args, {
string: ['runMigrations', 'from', 'to'],
alias: {
runMigrations: 'run-migrations',
},
})
);
if (options.runMigrations === '') {
options.runMigrations = 'migrations.json';
}
if (!options.runMigrations) {
const from = options.from
? versionOverrides(options.from as string, 'from')
: {};
const to = options.to ? versionOverrides(options.to as string, 'to') : {};
const { targetPackage, targetVersion } = parseTargetPackageAndVersion(
args[0]
);
return {
type: 'generateMigrations',
targetPackage: slash(targetPackage),
targetVersion,
from,
to,
};
} else {
return {
type: 'runMigrations',
runMigrations: options.runMigrations as string,
};
}
}
function versions(root: string, from: { [p: string]: string }) {
return (packageName: string) => {
try {
if (from[packageName]) {
return from[packageName];
}
const packageJsonPath = require.resolve(`${packageName}/package.json`, {
paths: [root],
});
return readJsonFile(packageJsonPath).version;
} catch {
return null;
}
};
}
// testing-fetch-start
function createFetcher() {
const cache = {};
return async function f(
packageName: string,
packageVersion: string
): Promise<MigrationsJson> {
if (!cache[`${packageName}-${packageVersion}`]) {
const dir = dirSync().name;
const npmrc = checkForNPMRC();
if (npmrc) {
// Creating a package.json is needed for .npmrc to resolve
writeFileSync(`${dir}/package.json`, '{}');
// Copy npmrc if it exists, so that npm still follows it.
copyFileSync(npmrc, `${dir}/.npmrc`);
}
logger.info(`Fetching ${packageName}@${packageVersion}`);
const pmc = getPackageManagerCommand();
execSync(`${pmc.add} ${packageName}@${packageVersion}`, {
stdio: [],
cwd: dir,
});
const migrationsFilePath = packageToMigrationsFilePath(packageName, dir);
const packageJsonPath = require.resolve(`${packageName}/package.json`, {
paths: [dir],
});
const json = readJsonFile(packageJsonPath);
// packageVersion can be a tag, resolvedVersion works with semver
const resolvedVersion = json.version;
if (migrationsFilePath) {
const json = readJsonFile(migrationsFilePath);
cache[`${packageName}-${packageVersion}`] = {
version: resolvedVersion,
generators: json.generators || json.schematics,
packageJsonUpdates: json.packageJsonUpdates,
};
} else {
cache[`${packageName}-${packageVersion}`] = {
version: resolvedVersion,
};
}
try {
removeSync(dir);
} catch {
// It's okay if this fails, the OS will clean it up eventually
}
}
return cache[`${packageName}-${packageVersion}`];
};
}
// testing-fetch-end
function packageToMigrationsFilePath(packageName: string, dir: string) {
const packageJsonPath = require.resolve(`${packageName}/package.json`, {
paths: [dir],
});
const json = readJsonFile(packageJsonPath);
let migrationsFile = json['nx-migrations'] || json['ng-update'];
// migrationsFile is an object
if (migrationsFile && migrationsFile.migrations) {
migrationsFile = migrationsFile.migrations;
}
try {
if (migrationsFile && typeof migrationsFile === 'string') {
return require.resolve(migrationsFile, {
paths: [dirname(packageJsonPath)],
});
} else {
return null;
}
} catch {
return null;
}
}
function createMigrationsFile(
root: string,
migrations: {
package: string;
name: string;
}[]
) {
writeJsonFile(join(root, 'migrations.json'), { migrations });
}
function updatePackageJson(
root: string,
updatedPackages: {
[p: string]: { version: string; addToPackageJson: Dependencies | false };
}
) {
const packageJsonPath = join(root, 'package.json');
const parseOptions: JsonReadOptions = {};
const json = readJsonFile(packageJsonPath, parseOptions);
Object.keys(updatedPackages).forEach((p) => {
if (json.devDependencies && json.devDependencies[p]) {
json.devDependencies[p] = updatedPackages[p].version;
} else if (json.dependencies && json.dependencies[p]) {
json.dependencies[p] = updatedPackages[p].version;
} else if (updatedPackages[p].addToPackageJson) {
if (updatedPackages[p].addToPackageJson === 'dependencies') {
if (!json.dependencies) json.dependencies = {};
json.dependencies[p] = updatedPackages[p].version;
} else if (updatedPackages[p].addToPackageJson === 'devDependencies') {
if (!json.devDependencies) json.devDependencies = {};
json.devDependencies[p] = updatedPackages[p].version;
}
}
});
writeJsonFile(packageJsonPath, json, {
appendNewLine: parseOptions.endsWithNewline,
});
}
async function generateMigrationsJsonAndUpdatePackageJson(
root: string,
opts: {
targetPackage: string;
targetVersion: string;
from: { [p: string]: string };
to: { [p: string]: string };
}
) {
const pmc = getPackageManagerCommand();
try {
logger.info(`Fetching meta data about packages.`);
logger.info(`It may take a few minutes.`);
const originalPackageJson = readJsonFile(join(root, 'package.json'));
const migrator = new Migrator({
packageJson: originalPackageJson,
versions: versions(root, opts.from),
fetch: createFetcher(),
from: opts.from,
to: opts.to,
});
const { migrations, packageJson } = await migrator.updatePackageJson(
opts.targetPackage,
opts.targetVersion
);
updatePackageJson(root, packageJson);
if (migrations.length > 0) {
createMigrationsFile(root, migrations);
}
logger.info(`NX The migrate command has run successfully.`);
logger.info(`- package.json has been updated`);
if (migrations.length > 0) {
logger.info(`- migrations.json has been generated`);
} else {
logger.info(
`- there are no migrations to run, so migrations.json has not been created.`
);
}
logger.info(`NX Next steps:`);
logger.info(
`- Make sure package.json changes make sense and then run '${pmc.install}'`
);
if (migrations.length > 0) {
logger.info(`- Run 'nx migrate --run-migrations'`);
}
logger.info(
`- To learn more go to https://nx.dev/latest/core-concepts/updating-nx`
);
if (showConnectToCloudMessage()) {
logger.info(
`- You may run "nx connect-to-nx-cloud" to get faster builds, Github integration, and more. Check out https://nx.app`
);
}
} catch (e) {
logger.error(`NX The migrate command failed.`);
throw e;
}
}
function showConnectToCloudMessage() {
try {
const nxJson = readJsonFile('nx.json');
const defaultRunnerIsUsed = Object.values(nxJson.tasksRunnerOptions).find(
(r: any) => r.runner == '@nrwl/workspace/tasks-runners/default'
);
return !!defaultRunnerIsUsed;
} catch {
return false;
}
}
function installAngularDevkitIfNecessaryToExecuteLegacyMigrations(
migrations: { cli?: 'nx' | 'angular' }[]
) {
const hasAngularDevkitMigrations = migrations.find(
(m) => m.cli === undefined || m.cli === 'angular'
);
if (!hasAngularDevkitMigrations) return false;
const pmCommands = getPackageManagerCommand();
const devkitInstalled =
execSync(`${pmCommands.list} @angular-devkit/schematics`)
.toString()
.indexOf(`@angular-devkit/schematics`) > -1;
if (devkitInstalled) return false;
logger.info(
`NX Temporary installing necessary packages to run old migrations.`
);
logger.info(`The packages will be deleted once migrations run successfully.`);
execSync(`${pmCommands.add} @angular-devkit/core`);
execSync(`${pmCommands.add} @angular-devkit/schematics`);
return true;
}
function removeAngularDevkitMigrations() {
const pmCommands = getPackageManagerCommand();
execSync(`${pmCommands.rm} @angular-devkit/schematics`);
execSync(`${pmCommands.rm} @angular-devkit/core`);
}
function runInstall() {
const pmCommands = getPackageManagerCommand();
logger.info(
`NX Running '${pmCommands.install}' to make sure necessary packages are installed`
);
execSync(pmCommands.install, { stdio: [0, 1, 2] });
}
async function runMigrations(
root: string,
opts: { runMigrations: string },
isVerbose: boolean
) {
if (!process.env.NX_MIGRATE_SKIP_INSTALL) {
runInstall();
}
logger.info(`NX Running migrations from '${opts.runMigrations}'`);
const migrations: {
package: string;
name: string;
version: string;
cli?: 'nx' | 'angular';
}[] = readJsonFile(join(root, opts.runMigrations)).migrations;
// TODO: reenable after removing devkit
// const installed = installAngularDevkitIfNecessaryToExecuteLegacyMigrations(
// migrations
// );
try {
for (let m of migrations) {
logger.info(`Running migration ${m.name}`);
if (m.cli === 'nx') {
await runNxMigration(root, m.package, m.name);
} else {
await (
await import('./ngcli-adapter')
).runMigration(root, m.package, m.name, isVerbose);
}
logger.info(`Successfully finished ${m.name}`);
logger.info(`---------------------------------------------------------`);
}
logger.info(
`NX Successfully finished running migrations from '${opts.runMigrations}'`
);
} finally {
// if (installed) {
// removeAngularDevkitMigrations();
// }
}
}
async function runNxMigration(root: string, packageName: string, name: string) {
const collectionPath = packageToMigrationsFilePath(packageName, root);
const collection = readJsonFile(collectionPath);
const g = collection.generators || collection.schematics;
const implRelativePath = g[name].implementation || g[name].factory;
let implPath;
try {
implPath = require.resolve(implRelativePath, {
paths: [dirname(collectionPath)],
});
} catch (e) {
// workaround for a bug in node 12
implPath = require.resolve(
`${dirname(collectionPath)}/${implRelativePath}`
);
}
const fn = require(implPath).default;
const host = new FsTree(root, false);
await fn(host, {});
const changes = host.listChanges();
flushChanges(root, changes);
}
export async function migrate(root: string, args: string[], isVerbose = false) {
return handleErrors(isVerbose, async () => {
const opts = parseMigrationsOptions(args);
if (opts.type === 'generateMigrations') {
await generateMigrationsJsonAndUpdatePackageJson(root, opts);
} else {
await runMigrations(root, opts, isVerbose);
}
});
}
/**
* Checks for a project level npmrc file by crawling up the file tree until
* hitting a package.json file, as this is how npm finds them as well.
*/
function checkForNPMRC(): string | null {
let directory = process.cwd();
while (!existsSync(join(directory, 'package.json'))) {
directory = join(directory, '..');
}
const path = join(directory, '.npmrc');
return existsSync(path) ? path : null;
}