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Nix NodeJS

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18 Feb 2023
@winterqt:nixos.devWinter (she/her)not atm unless you use node2nix16:58:56
@robert:funklause.dedotlambda
In reply to @winterqt:nixos.dev
not atm unless you use node2nix
But that would only read package.json, not yarn.lock?
16:59:48
@winterqt:nixos.devWinter (she/her)you can nuke the yarn.lock and generate a lockfile from that17:00:52
@winterqt:nixos.devWinter (she/her) *npm lockfile with npm install 17:01:04
@winterqt:nixos.devWinter (she/her)

by that point you can just use fetchNpmDeps

though that lockfile size may be huge ugh

17:01:25
@robert:funklause.dedotlambdaHas anyone tried using https://github.com/imsnif/synp ? I wonder if it's deterministic17:01:25
@robert:funklause.dedotlambdaOh, same issue though: https://github.com/imsnif/synp/issues/9517:02:03
@winterqt:nixos.devWinter (she/her)it requires an already populated node_modules tree :/17:02:13
@winterqt:nixos.devWinter (she/her)and probably doesn't support v317:02:20
@winterqt:nixos.devWinter (she/her)* and probably doesn't support v217:02:23
@robert:funklause.dedotlambdaWell, no build from source then.17:03:58
@lily:lily.flowersLily Foster
In reply to @winterqt:nixos.dev
not atm unless you use node2nix
We have the yarn fetcher, so they can use that, right?
17:07:20
@winterqt:nixos.devWinter (she/her)not with v217:08:42
@lily:lily.flowersLily Fosterv2 what?17:09:10
@winterqt:nixos.devWinter (she/her)yarn17:09:28
@winterqt:nixos.devWinter (she/her)entirely different lockfile format17:09:33
@lily:lily.flowersLily FosterOhhh right forgot about that17:09:45
@robert:funklause.dedotlambda
In reply to @lily:lily.flowers
v2 what?
https://github.com/yarnpkg/berry
17:09:51
@lily:lily.flowersLily Foster
In reply to @robert:funklause.de
https://github.com/yarnpkg/berry
Yeah I knew about it but have mostly tried to ignore its existence. We don't have tooling for it so something like node2nix (that locks in Nix code rather than yarn.lock) might be one of the only solutions
17:11:05
1 Mar 2023
@robert:funklause.dedotlambda How can we make the npmInstallHook work with workspaces? https://github.com/NixOS/nixpkgs/pull/218923 03:18:59
@lily:lily.flowersLily Foster
In reply to @robert:funklause.de
How can we make the npmInstallHook work with workspaces? https://github.com/NixOS/nixpkgs/pull/218923
I planned to dig in to npm at some point to figure out why it is convinced it still needs to get dep metadata from the internet when the entire lockfile is cached. Because as far as I remember, it should otherwise theoretically work. Alternatively if all of the packages are in the npm registry you could just fetch from there and it doesn't have that problem
11:37:24
6 Mar 2023
@amardeeps:matrix.orgamardeeps joined the room.11:52:49
9 Mar 2023
@dandellion:dodsorf.asDandellion joined the room.03:25:04
10 Mar 2023
@dandellion:dodsorf.asDandellion

I have a js package which is fighting me every step of the way here: https://github.com/dali99/nixpkgs/commit/79b02a249d096a20f7c0e9984ffb58cac6dde9f2

With downgrading to node 16 and running node-gyp in the package config there, some compilation happens, but when I run it I get

Instantiation error:
Error: /nix/store/dy4amgvdks5xjlbadikyiikb12az2204-ldf-server-3.3.0/libexec/@ldf/server/node_modules/hdt/build/Release/hdt.node: undefined symbol: _ZNK9cds_utils9BitString4saveERSo
    at Object.Module._extensions..node (node:internal/modules/cjs/loader:1275:18)
    at Module.load (node:internal/modules/cjs/loader:1069:32)
    at Function.Module._load (node:internal/modules/cjs/loader:904:12)
    at Module.require (node:internal/modules/cjs/loader:1093:19)
    at require (node:internal/modules/cjs/helpers:108:18)
    at Object.<anonymous> (/nix/store/dy4amgvdks5xjlbadikyiikb12az2204-ldf-server-3.3.0/libexec/@ldf/server/node_modules/hdt/lib/hdt.js:5:19)
    at Module._compile (node:internal/modules/cjs/loader:1191:14)
    at Object.Module._extensions..js (node:internal/modules/cjs/loader:1245:10)
    at Module.load (node:internal/modules/cjs/loader:1069:32)
    at Function.Module._load (node:internal/modules/cjs/loader:904:12)

So it seems it's not linking libcds properly?

Any ideas on what's going on here?

06:14:34
@dandellion:dodsorf.asDandellion *

I have a js package which is fighting me every step of the way here: https://github.com/dali99/nixpkgs/commit/79b02a249d096a20f7c0e9984ffb58cac6dde9f2

With downgrading to node 16 and running node-gyp in the package config there, some compilation happens, but when I run it I get

Instantiation error:
Error: /nix/store/dy4amgvdks5xjlbadikyiikb12az2204-ldf-server-3.3.0/libexec/@ldf/server/node_modules/hdt/build/Release/hdt.node: undefined symbol: _ZNK9cds_utils9BitString4saveERSo
    at Object.Module._extensions..node (node:internal/modules/cjs/loader:1275:18)
    at Module.load (node:internal/modules/cjs/loader:1069:32)
    at Function.Module._load (node:internal/modules/cjs/loader:904:12)
    at Module.require (node:internal/modules/cjs/loader:1093:19)
    at require (node:internal/modules/cjs/helpers:108:18)
    at Object.<anonymous> (/nix/store/dy4amgvdks5xjlbadikyiikb12az2204-ldf-server-3.3.0/libexec/@ldf/server/node_modules/hdt/lib/hdt.js:5:19)
    at Module._compile (node:internal/modules/cjs/loader:1191:14)
    at Object.Module._extensions..js (node:internal/modules/cjs/loader:1245:10)
    at Module.load (node:internal/modules/cjs/loader:1069:32)
    at Function.Module._load (node:internal/modules/cjs/loader:904:12)

So it seems it's not linking libcds properly?

Any ideas on what's going on?

06:14:42
@lily:lily.flowersLily Foster
In reply to @dandellion:dodsorf.as

I have a js package which is fighting me every step of the way here: https://github.com/dali99/nixpkgs/commit/79b02a249d096a20f7c0e9984ffb58cac6dde9f2

With downgrading to node 16 and running node-gyp in the package config there, some compilation happens, but when I run it I get

Instantiation error:
Error: /nix/store/dy4amgvdks5xjlbadikyiikb12az2204-ldf-server-3.3.0/libexec/@ldf/server/node_modules/hdt/build/Release/hdt.node: undefined symbol: _ZNK9cds_utils9BitString4saveERSo
    at Object.Module._extensions..node (node:internal/modules/cjs/loader:1275:18)
    at Module.load (node:internal/modules/cjs/loader:1069:32)
    at Function.Module._load (node:internal/modules/cjs/loader:904:12)
    at Module.require (node:internal/modules/cjs/loader:1093:19)
    at require (node:internal/modules/cjs/helpers:108:18)
    at Object.<anonymous> (/nix/store/dy4amgvdks5xjlbadikyiikb12az2204-ldf-server-3.3.0/libexec/@ldf/server/node_modules/hdt/lib/hdt.js:5:19)
    at Module._compile (node:internal/modules/cjs/loader:1191:14)
    at Object.Module._extensions..js (node:internal/modules/cjs/loader:1245:10)
    at Module.load (node:internal/modules/cjs/loader:1069:32)
    at Function.Module._load (node:internal/modules/cjs/loader:904:12)

So it seems it's not linking libcds properly?

Any ideas on what's going on?

How are you running it? I can get --help output just fine from building your branch
18:07:40
@dandellion:dodsorf.asDandellion

yeah, it's only when trying it a hdt datasource (which is the recommended datasource):

{
  "@context": "https://linkedsoftwaredependencies.org/bundles/npm/@ldf/server/^3.0.0/components/context.jsonld",
  "@id": "urn:ldf-server:my",
  "import": "preset-qpf:config-defaults.json",

  "title": "My Linked Data Fragments server",

  "datasources": [
    {
      "@id": "urn:ldf-server:mySparqlDatasource",
      "@type": "SparqlDatasource",
      "datasourceTitle": "DBpedia (Virtuoso)",
      "description": "DBpedia with a Virtuoso back-end",
      "datasourcePath": "dbpedia-sparql",
      "sparqlEndpoint": "https://dbpedia.org/sparql"
    },
    {
      "@id": "urn:ldf-server:myHdtDatasource",
      "@type": "HdtDatasource",
      "datasourceTitle": "My HDT file",
      "description": "My dataset with a HDT back-end",
      "datasourcePath": "myhdt",
      "file": "somehdt.hdt"
    }
  ],

  "prefixes": [
    { "prefix": "rdf",         "uri": "http://www.w3.org/1999/02/22-rdf-syntax-ns#" },
    { "prefix": "rdfs",        "uri": "http://www.w3.org/2000/01/rdf-schema#" },
    { "prefix": "xsd",         "uri": "http://www.w3.org/2001/XMLSchema#" },
    { "prefix": "dc",          "uri": "http://purl.org/dc/terms/" },
    { "prefix": "foaf",        "uri": "http://xmlns.com/foaf/0.1/" },
    { "prefix": "dbpedia",     "uri": "http://dbpedia.org/resource/" },
    { "prefix": "dbpedia-owl", "uri": "http://dbpedia.org/ontology/" },
    { "prefix": "dbpprop",     "uri": "http://dbpedia.org/property/" },
    { "prefix": "hydra",       "uri": "http://www.w3.org/ns/hydra/core#" },
    { "prefix": "void",        "uri": "http://rdfs.org/ns/void#" }
  ]
}

Like this config ^

18:31:26
@lily:lily.flowersLily FosterAh, I guess I could try to test that. What is libcds though? Is that part of the package?18:32:09
@dandellion:dodsorf.asDandellionIt's some datastructure library that seems to be shipped with https://github.com/RubenVerborgh/HDT-Node18:32:58
@dandellion:dodsorf.asDandellionin the deps submodule18:33:07

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