dream2nix/lib/internal/nodejsUtils.nix

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2023-05-19 11:26:39 +03:00
{
lib,
parseSpdxId,
}: let
l = lib // builtins;
in rec {
getMetaFromPackageJson = packageJson:
{license = parseSpdxId (packageJson.license or "");}
// (
l.filterAttrs
(n: v: l.any (on: n == on) ["description" "homepage"])
packageJson
);
getPackageJsonDeps = packageJson: noDev:
(packageJson.dependencies or {})
// (lib.optionalAttrs (! noDev) (packageJson.devDependencies or {}));
getWorkspaceLockFile = tree: workspaceParent: fname: let
# returns the parsed package-lock.json for a given project
dirRelPath = workspaceParent;
packageJson =
(tree.getNodeFromPath "${dirRelPath}/package.json").jsonContent;
hasNoDependencies =
((packageJson.dependencies or {}) == {})
&& ((packageJson.devDependencies or {}) == {})
&& (! packageJson ? workspaces);
in
if hasNoDependencies
then null
else tree.getNodeFromPath "${dirRelPath}/${fname}";
getWorkspacePackageJson = tree: workspaces:
l.genAttrs
workspaces
(wsRelPath:
(tree.getNodeFromPath "${wsRelPath}/package.json").jsonContent);
getWorkspacePackages = tree: workspaces:
lib.mapAttrs'
(wsRelPath: json:
l.nameValuePair
json.name
json.version)
(getWorkspacePackageJson tree workspaces);
identifyGitUrl = url:
l.hasPrefix "git+" url
|| l.match ''^github:.*/.*#.*'' url != null;
parseGitUrl = url: let
githubMatch = l.match ''^github:(.*)/(.*)#(.*)$'' url;
in
if githubMatch != null
then let
owner = l.elemAt githubMatch 0;
repo = l.elemAt githubMatch 1;
rev = l.elemAt githubMatch 2;
in {
url = "https://github.com/${owner}/${repo}";
inherit rev;
}
else let
splitUrlRev = l.splitString "#" url;
rev = l.last splitUrlRev;
urlOnly = l.head splitUrlRev;
in
if l.hasPrefix "git+ssh://" urlOnly
then {
inherit rev;
url = "https://${(l.last (l.splitString "@" url))}";
}
else if l.hasPrefix "git+https://" urlOnly
then {
inherit rev;
url = l.removePrefix "git+" urlOnly;
}
else throw "Cannot parse git url: ${url}";
}