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import {Command, UsageError} from 'clipanion';
import fs from 'fs';
import {PreparedPackageManagerInfo} from '../Engine';
import * as corepackUtils from '../corepackUtils';
import {Context} from '../main';
import * as nodeUtils from '../nodeUtils';
import * as specUtils from '../specUtils';
export abstract class BaseCommand extends Command<Context> {
async resolvePatternsToDescriptors({all, patterns}: {all: boolean, patterns: Array<string>}) {
if (all && patterns.length > 0)
throw new UsageError(`The --all option cannot be used along with an explicit package manager specification`);
const resolvedSpecs = all
? await this.context.engine.getDefaultDescriptors()
: patterns.map(pattern => specUtils.parseSpec(pattern, `CLI arguments`, {enforceExactVersion: false}));
if (resolvedSpecs.length === 0) {
const lookup = await specUtils.loadSpec(this.context.cwd);
switch (lookup.type) {
case `NoProject`:
throw new UsageError(`Couldn't find a project in the local directory - please explicit the package manager to pack, or run this command from a valid project`);
case `NoSpec`:
throw new UsageError(`The local project doesn't feature a 'packageManager' field - please explicit the package manager to pack, or update the manifest to reference it`);
default: {
return [lookup.spec];
}
}
}
return resolvedSpecs;
}
async setLocalPackageManager(info: PreparedPackageManagerInfo) {
const lookup = await specUtils.loadSpec(this.context.cwd);
const content = lookup.target !== `NoProject`
? await fs.promises.readFile(lookup.target, `utf8`)
: ``;
const {data, indent} = nodeUtils.readPackageJson(content);
const previousPackageManager = data.packageManager ?? `unknown`;
data.packageManager = `${info.locator.name}@${info.locator.reference}+${info.hash}`;
const newContent = nodeUtils.normalizeLineEndings(content, `${JSON.stringify(data, null, indent)}\n`);
await fs.promises.writeFile(lookup.target, newContent, `utf8`);
const command = this.context.engine.getPackageManagerSpecFor(info.locator).commands?.use ?? null;
if (command === null)
return 0;
// Adding it into the environment avoids breaking package managers that
// don't expect those options.
process.env.COREPACK_MIGRATE_FROM = previousPackageManager;
this.context.stdout.write(`\n`);
const [binaryName, ...args] = command;
return await corepackUtils.runVersion(info.locator, info, binaryName, args);
}
}
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