Take the repository address from package.json instead of assuming GitHub

build-ts split repository.url on 'https://github.com/'. Since the April
move of repository URLs to git.pezkuwichain.io that split returns
undefined and the build stops with "Cannot read properties of undefined
(reading 'split')" in every repo on the new host (pezkuwi-wasm, and this
one). Where it did not throw, orderPackageJson rebuilt bugs, homepage and
repository.url as github.com, silently reverting the declared host in
every package it built.

repoBaseFromUrl now parses the declared URL (accepting a git+ prefix and
a trailing .git) and the published metadata is derived from it.

Checked end to end on pezkuwi-wasm: the build completes and leaves every
package.json unchanged; the built package keeps its git.pezkuwichain.io
repository URL.

packages/dev/scripts/pezkuwi-dev-build-ts.mjs

@@ -938,13 +938,33 @@ function getEnginesVer (currVer) {
 }
 
 /**
- * @param {string} repoPath
+ * The repository's web address, taken from the root package.json as declared.
+ *
+ * This used to split on 'https://github.com/', which threw on any other host and,
+ * where it did not throw, rewrote every published package back to GitHub. The
+ * declared host is the authority; this only normalises its spelling.
+ *
+ * @param {string} url
+ * @returns {string} e.g. https://git.example.org/owner/repo (no trailing .git)
+ */
+function repoBaseFromUrl (url) {
+  if (!url) {
+    throw new Error('package.json has no repository.url');
+  }
+
+  const parsed = new URL(url.replace(/^git\+/, ''));
+
+  return `${parsed.protocol}//${parsed.host}${parsed.pathname.replace(/\.git$/, '').replace(/\/$/, '')}`;
+}
+
+/**
+ * @param {string} repoBase
  * @param {string | null} dir
  * @param {PkgJson} json
  */
-function orderPackageJson (repoPath, dir, json) {
-  json.bugs = `https://github.com/${repoPath}/issues`;
-  json.homepage = `https://github.com/${repoPath}${dir ? `/tree/master/packages/${dir}` : ''}#readme`;
+function orderPackageJson (repoBase, dir, json) {
+  json.bugs = `${repoBase}/issues`;
+  json.homepage = `${repoBase}${dir ? `/tree/master/packages/${dir}` : ''}#readme`;
   json.license = !json.license || json.license === 'Apache-2'
     ? 'Apache-2.0'
     : json.license;
@@ -954,7 +974,7 @@ function orderPackageJson (repoPath, dir, json) {
       : {}
     ),
     type: 'git',
-    url: `https://github.com/${repoPath}.git`
+    url: `${repoBase}.git`
   };
   json.sideEffects = json.sideEffects || false;
   json.engines = {
@@ -1284,12 +1304,12 @@ function extractPackageInfoImports (filepath, withDetectImport) {
 
 /**
  * @param {CompileType} compileType
- * @param {string} repoPath
+ * @param {string} repoBase
  * @param {string} dir
  * @param {[string, string][]} locals
  * @returns {Promise<void>}
  */
-async function buildJs (compileType, repoPath, dir, locals) {
+async function buildJs (compileType, repoBase, dir, locals) {
   const pkgJson = JSON.parse(fs.readFileSync(path.join(process.cwd(), './package.json'), 'utf-8'));
   const { name, version } = pkgJson;
 
@@ -1301,7 +1321,7 @@ async function buildJs (compileType, repoPath, dir, locals) {
 
   console.log(`*** ${name} ${version}`);
 
-  orderPackageJson(repoPath, dir, pkgJson);
+  orderPackageJson(repoBase, dir, pkgJson);
 
   // move the tsc-generated *.d.ts build files to build-tsc
   if (fs.existsSync('build')) {
@@ -1471,11 +1491,9 @@ async function main () {
     }
   }
 
-  const repoPath = pkg.repository.url
-    .split('https://github.com/')[1]
-    .split('.git')[0];
+  const repoBase = repoBaseFromUrl(pkg.repository?.url);
 
-  orderPackageJson(repoPath, null, pkg);
+  orderPackageJson(repoBase, null, pkg);
   execPm('pezkuwi-exec-tsc --build tsconfig.build.json');
 
   process.chdir('packages');
@@ -1503,7 +1521,7 @@ async function main () {
   for (const dir of dirs) {
     process.chdir(dir);
 
-    await buildJs(compileType, repoPath, dir, locals);
+    await buildJs(compileType, repoBase, dir, locals);
 
     process.chdir('..');
   }