From 2d7643789f7fc2abcb3bc9c12e5e0ad91ed90fdb Mon Sep 17 00:00:00 2001
From: Igor Pashev <pashev.igor@gmail.com>
Date: Sat, 12 Oct 2019 21:31:28 +0200
Subject: Refactor stripping

Motivation: remove unsed scripts like prepublish
---
 npmPackages/_scripts/strip.js   | 48 ++++++++++++++++++++++++++++-------------
 npmPackages/buildNpmPackage.nix |  8 ++++---
 2 files changed, 38 insertions(+), 18 deletions(-)

(limited to 'npmPackages')

diff --git a/npmPackages/_scripts/strip.js b/npmPackages/_scripts/strip.js
index e76bf6d..526730d 100644
--- a/npmPackages/_scripts/strip.js
+++ b/npmPackages/_scripts/strip.js
@@ -5,14 +5,20 @@ const {
 } = require('./package.js');
 
 
-var stripDependencies = false;
+var phase;
 
 const args = process.argv.slice(2);
 
 for (var i = 0; i < args.length; i++) {
     switch (args[i]) {
-        case '--strip-dependencies':
-            stripDependencies = true;
+        case '--post-configure':
+            phase = 'postConfigure';
+            break;
+        case '--pre-install':
+            phase = 'preInstall';
+            break;
+        case '--post-install':
+            phase = 'postInstall';
             break;
         default:
             ;
@@ -20,18 +26,30 @@ for (var i = 0; i < args.length; i++) {
 }
 
 pipeThrough((pkg, done) => {
-    delete pkg.devDependencies;
-    delete pkg.engines;
-    delete pkg.keywords;
-    delete pkg.optionalDependencies;
-    delete pkg.peerDependencies;
-    delete pkg.scripts;
-    delete pkg.tap;
-    delete pkg.xo;
-
-    if (stripDependencies) {
-        delete pkg.dependencies;
+    switch (phase) {
+        case 'postInstall':
+            delete pkg.dependencies;
+            // fall throw
+
+        case 'preInstall':
+            delete pkg.engines;
+            delete pkg.keywords;
+            delete pkg.scripts;
+            delete pkg.tap;
+            delete pkg.xo;
+            // fall throw
+
+        case 'postConfigure':
+            delete pkg.devDependencies;
+            delete pkg.optionalDependencies;
+            delete pkg.peerDependencies;
+            if (pkg.scripts) {
+                delete pkg.scripts.prepublish;
+            }
+            break;
+        default:
+            throw (`Unknown phase: "${phase}"`);
     }
 
     done(pkg);
-});
+});
\ No newline at end of file
diff --git a/npmPackages/buildNpmPackage.nix b/npmPackages/buildNpmPackage.nix
index 9856291..5a0f4e5 100644
--- a/npmPackages/buildNpmPackage.nix
+++ b/npmPackages/buildNpmPackage.nix
@@ -58,11 +58,13 @@ stdenv.mkDerivation {
     rm -f package-lock.json
     npm --ignore-scripts install
 
+    node ${scripts}/strip.js --post-configure < package.json > package.json.stripped
+    mv package.json.stripped package.json
+
   '';
 
   installPhase = ''
-    # remove things that are not needed any more or not needed with Nix:
-    node ${scripts}/strip.js < package.json > package.json.stripped
+    node ${scripts}/strip.js --pre-install < package.json > package.json.stripped
     mv package.json.stripped package.json
 
     ${lib.optionalString (files != []) ''
@@ -90,7 +92,7 @@ stdenv.mkDerivation {
 
     # Finally, strip info about runtime dependencies,
     # so that NPM will not complain about missed or extraneous dependencies:
-    node ${scripts}/strip.js --strip-dependencies < package.json > package.json.stripped
+    node ${scripts}/strip.js --post-install < package.json > package.json.stripped
     mv package.json.stripped package.json
   '';
 }
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