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feat: allow to set package-name and version #104

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feat: allow to set package-name and version #104

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7896311
feat: allow to set package-name and version
milahu Sep 13, 2021
f21c8f8
trace missing version
milahu Sep 13, 2021
ae4f651
remove pnameComputed and versionComputed
milahu Sep 13, 2021
6566171
lint
milahu Sep 13, 2021
57e139b
add makeValidDrvName, use null value
milahu Sep 14, 2021
a9a11ff
api: node_modules: pname version
milahu Sep 16, 2021
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25 changes: 20 additions & 5 deletions internal.nix
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Original file line number Diff line number Diff line change
Expand Up @@ -6,6 +6,10 @@ rec {
# Type: String -> Throw
throw = str: builtins.throw "[npmlock2nix] ${str}";

# Description: Custom trace function that ensures our info messages have a common prefix.
# Type: String -> Any
trace = str: retval: builtins.trace "[npmlock2nix] ${str}" retval;

# Description: Turns an npm lockfile dependency into an attribute set as needed by fetchurl
# Type: String -> Set -> Set
makeSourceAttrs = name: dependency:
Expand Down Expand Up @@ -273,7 +277,7 @@ rec {
getAttr = name: from: lib.optionalAttrs (builtins.hasAttr name from) { "${name}" = from.${name}; };
getAttrs = names: from: lib.foldl (a: b: a // (getAttr b from)) { } names;
in
(getAttrs [ "src" "nodejs" ] attrs // node_modules_attrs);
((getAttrs [ "src" "nodejs" ] attrs) // node_modules_attrs);
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# Description: Takes a dependency spec and a map of github sources/hashes and returns either the map or 'null'
# Type: Set -> Set -> Set | null
Expand All @@ -300,9 +304,21 @@ rec {
assert (builtins.typeOf preInstallLinks != "set") ->
throw "`preInstallLinks` must be an attributeset of attributesets";
let
cleanArgs = builtins.removeAttrs args [ "src" "packageJson" "packageLockJson" "buildInputs" "nativeBuildInputs" "nodejs" "preBuild" "postBuild" "preInstallLinks" "githubSourceHashMap" ];
cleanArgs = builtins.removeAttrs args [ "src" "packageJson" "packageLockJson" "buildInputs" "nativeBuildInputs" "nodejs" "preBuild" "postBuild" "preInstallLinks" "githubSourceHashMap" "pname" "version" ];
lockfile = readLockfile packageLockJson;

# allow to set package-name and version, if name or version are missing in package-lock.json
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pname =
if (args ? pname && args.pname != "") then makeValidDrvName args.pname
else if (lockfile ? name && lockfile.name != "") then makeValidDrvName lockfile.name
else null; # pname is required, throw later
version =
if (args ? version && args.version != "") then args.version
else if (lockfile ? version && lockfile.version != "") then lockfile.version
else
trace "No version in package-lock.json, using version 0.0.0. Optionally, set version in node_modules_attrs."
"0.0.0";

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preinstall_node_modules = writeTextFile {
name = "prepare";
destination = "/node_modules/.hooks/prepare";
Expand Down Expand Up @@ -340,10 +356,9 @@ rec {
};

in
assert (pname == null) -> throw "A package name is required. Either set `name` in `package-lock.json`, or set `pname` in `node_modules_attrs`.";
stdenv.mkDerivation ({
inherit (lockfile) version;
pname = makeValidDrvName lockfile.name;
inherit buildInputs preBuild postBuild;
inherit pname version buildInputs preBuild postBuild;
dontUnpack = true;

nativeBuildInputs = nativeBuildInputs ++ [
Expand Down