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create-package-json.ts
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create-package-json.ts
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import { readJsonFile } from './fileutils';
import { sortObjectByKeys } from './object-sort';
import { ProjectGraph } from '../config/project-graph';
import { PackageJson } from './package-json';
import { existsSync } from 'fs';
import { workspaceRoot } from './workspace-root';
/**
* Creates a package.json in the output directory for support to install dependencies within containers.
*
* If a package.json exists in the project, it will reuse that.
*/
export function createPackageJson(
projectName: string,
graph: ProjectGraph,
options: {
root?: string;
}
): PackageJson {
const npmDeps = findAllNpmDeps(projectName, graph);
// default package.json if one does not exist
let packageJson: PackageJson = {
name: projectName,
version: '0.0.1',
};
if (existsSync(`${graph.nodes[projectName].data.root}/package.json`)) {
try {
packageJson = readJsonFile(
`${graph.nodes[projectName].data.root}/package.json`
);
} catch (e) {}
}
const rootPackageJson = readJsonFile(
`${options.root || workspaceRoot}/package.json`
);
Object.entries(npmDeps.dependencies).forEach(([packageName, version]) => {
if (
rootPackageJson.devDependencies?.[packageName] &&
!packageJson.dependencies?.[packageName] &&
!packageJson.peerDependencies?.[packageName]
) {
packageJson.devDependencies = packageJson.devDependencies || {};
packageJson.devDependencies[packageName] = version;
} else {
if (!packageJson.peerDependencies?.[packageName]) {
packageJson.dependencies = packageJson.dependencies || {};
packageJson.dependencies[packageName] = version;
}
}
});
Object.entries(npmDeps.peerDependencies).forEach(([packageName, version]) => {
if (!packageJson.peerDependencies?.[packageName]) {
packageJson.dependencies[packageName] = version;
}
});
packageJson.devDependencies &&= sortObjectByKeys(packageJson.devDependencies);
packageJson.dependencies &&= sortObjectByKeys(packageJson.dependencies);
packageJson.peerDependencies &&= sortObjectByKeys(
packageJson.peerDependencies
);
return packageJson;
}
function findAllNpmDeps(
projectName: string,
graph: ProjectGraph,
list: {
dependencies: Record<string, string>;
peerDependencies: Record<string, string>;
} = { dependencies: {}, peerDependencies: {} },
seen = new Set<string>()
) {
const node = graph.externalNodes[projectName];
if (seen.has(projectName)) {
// if it's in peerDependencies, move it to regular dependencies
// since this is a direct dependency of the project
if (node && list.peerDependencies[node.data.packageName]) {
list.dependencies[node.data.packageName] = node.data.version;
delete list.peerDependencies[node.data.packageName];
}
return list;
}
seen.add(projectName);
if (node) {
list.dependencies[node.data.packageName] = node.data.version;
recursivelyCollectPeerDependencies(node.name, graph, list, seen);
} else {
// we are not interested in the dependencies of external projects
graph.dependencies[projectName]?.forEach((dep) => {
if (dep.type === 'static' || dep.type === 'dynamic') {
findAllNpmDeps(dep.target, graph, list, seen);
}
});
}
return list;
}
function recursivelyCollectPeerDependencies(
projectName: string,
graph: ProjectGraph,
list: {
dependencies: Record<string, string>;
peerDependencies: Record<string, string>;
},
seen = new Set<string>()
) {
const npmPackage = graph.externalNodes[projectName];
if (!npmPackage) {
return list;
}
const packageName = npmPackage.data.packageName;
try {
const packageJson = require(`${packageName}/package.json`);
if (!packageJson.peerDependencies) {
return list;
}
Object.keys(packageJson.peerDependencies)
.map((dependencyName) => `npm:${dependencyName}`)
.map((dependency) => graph.externalNodes[dependency])
.filter(Boolean)
.forEach((node) => {
if (
!packageJson.peerDependenciesMeta?.[node.data.packageName]
?.optional &&
!seen.has(node.name)
) {
seen.add(node.name);
list.peerDependencies[node.data.packageName] = node.data.version;
recursivelyCollectPeerDependencies(node.name, graph, list, seen);
}
});
return list;
} catch (e) {
return list;
}
}