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translators: yarn: add parsing of links

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This commit is contained in:
happysalada 2021-10-07 15:07:05 +09:00
parent 914a125f76
commit fb372a0f51
2 changed files with 28 additions and 12 deletions
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17
src/translators/nodejs/pure/yarn-lock/default.nix
View File

@ -19,7 +19,16 @@
yarnLock = "${lib.elemAt inputDirectories 0}/yarn.lock";
packageJSON = b.fromJSON (b.readFile "${lib.elemAt inputDirectories 0}/package.json");
parser = import ./parser.nix { inherit lib; inherit (externals) nix-parsec;};
parsedLock = lib.foldAttrs (n: a: n // a) {} (parser.parseLock yarnLock).value;
tryParse = parser.parseLock yarnLock;
parsedLock =
if tryParse.type == "success" then
lib.foldAttrs (n: a: n // a) {} tryParse.value
else
let
failureOffset = tryParse.value.offset;
in
throw "parser failed at: \n${lib.substring failureOffset (failureOffset + 50) tryParse.value.str}";
nameFromLockName = lockName:
let
version = lib.last (lib.splitString "@" lockName);
@ -37,6 +46,12 @@
url = lib.head (lib.splitString "#" dependencyAttrs.resolved);
type = "fetchurl";
}
else if lib.hasInfix "@link:" dependencyName then
{
version = dependencyAttrs.version;
path = lib.last (lib.splitString "@link:" dependencyName);
type = "path";
}
else
let
gitUrlInfos = lib.splitString "/" dependencyAttrs.resolved;

23
src/translators/nodejs/pure/yarn-lock/parser.nix
View File

@ -2,7 +2,7 @@
#
# Load in nix repl and test, e.g.:
#
# nix-repl> parseConfigFile ./yarn.lock
# nix-repl> parseLock ./yarn.lock
# { type = "success"; value = ...; }
{ lib, nix-parsec }:
@ -13,22 +13,20 @@ rec {
inherit (nix-parsec) parsec;
# Skip spaces and line comments and newlines
spaceComments = nix-parsec.lexer.space
(skipWhile1 (c: c == " " || c == "\t" || c == "\n"))
(nix-parsec.lexer.skipLineComment "#")
fail;
skipEmptyLinesAndComments =
skipMany (alt
(skipWhile1 (c: c == " " || c == "\t" || c == "\n"))
(skipThen (string "#") (skipWhile (x: x != "\n")))
);
charInsideQuotes = c: c != "\"";
charOutsideQuotes = c: c != "\"" && c != "\n" && c != " " && c != "," && c != ":";
unquotedString = takeWhile1 charOutsideQuotes;
newLine = string "\n";
# use the nix-parsec quotedString
quotedString = between (string "\"") (string "\"") (takeWhile1 charInsideQuotes);
# TODO add the relevant fmap to add the attributes
version = skipThen (string " version ") (thenSkip quotedString newLine);
# TODO instead of nextLine use an exact count of space and newline ?:w
resolved = skipThen (string " resolved ") (thenSkip quotedString newLine);
integrity = skipThen (string " integrity ") (thenSkip unquotedString newLine);
@ -47,12 +45,14 @@ rec {
dependencyNames = thenSkip (sepBy (alt quotedString unquotedString) (string ", ")) (string ":\n");
dependencyAttrs = bind version (parsedVersion:
bind resolved (parsedResolved:
bind (optional resolved) (parsedResolved:
bind (optional integrity) (parsedIntegrity:
bind (optional dependencies) (parsedDependencies:
bind (optional optionalDependencies) (parsedOptionalDependencies:
pure (
{ version = parsedVersion; resolved = parsedResolved; }
{ version = parsedVersion; }
//
(if parsedResolved == [ ] then { } else { resolved = builtins.head parsedResolved; })
//
(if parsedIntegrity == [ ] then { } else { integrity = builtins.head parsedIntegrity; })
//
@ -61,6 +61,7 @@ rec {
(if parsedOptionalDependencies == [ ] then { } else { optionalDependencies = builtins.head parsedOptionalDependencies; })
)
)))));
namesToAttrsList = namesList: dependencyAttrs: map (dependencyName: lib.nameValuePair dependencyName dependencyAttrs) namesList;
group =
@ -69,7 +70,7 @@ rec {
dependencyAttrs);
configFile =
(skipThen spaceComments
(skipThen skipEmptyLinesAndComments
(thenSkip (sepBy group newLine) eof));
parseLock = path: nix-parsec.parsec.runParser configFile (builtins.readFile path);