Due to: https://github.com/changesets/changesets/issues/835

.github/workflows/ci.yml

@@ -99,7 +99,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: ./.github/actions/pnpm
       - name: Install Dependencies (without lockfile)
-        run: rm pnpm-lock.yaml && pnpm install
+        run: rm pnpm-lock.yaml && pnpm install --force
       - uses: ./.github/actions/download-built-package
       - run: pnpm --filter ember-app test:ember
 

package.json

@@ -34,9 +34,11 @@
   "pnpm": {
     "overrides": {
       "@types/eslint": "7.29.0",
+      "@changesets/assemble-release-plan": "5.2.3",
       "mustache": "^4.2.0"
     },
     "overrides-notes": {
+      "@changesets/assemble-release-plan": "patched, we don't want drift until https://github.com/changesets/changesets/issues/835 is resolved",
       "@embroider/addon-shim": "some addons from the test-app are not using ^1.0.0",
       "@types/eslint": "webpack brings in @types/eslint@8, which breaks our type checking",
       "mustache": "ember-cli -> testem -> consolidate -> mustache is ancient"
@@ -49,6 +51,9 @@
       "allowedVersions": {
         "typescript": "*"
       }
+    },
+    "patchedDependencies": {
+      "@changesets/[email protected]": "patches/@[email protected]"
     }
   }
 }

patches/@changesets__assemble-release-plan@5.2.3.patch

@@ -0,0 +1,39 @@
+diff --git a/dist/assemble-release-plan.cjs.dev.js b/dist/assemble-release-plan.cjs.dev.js
+index 3a37c62c975518f975c22e1b4b3974d9b325a5da..4aaad4630b4d3cf31738b105d8a1e42a428cee2c 100644
+--- a/dist/assemble-release-plan.cjs.dev.js
++++ b/dist/assemble-release-plan.cjs.dev.js
+@@ -430,7 +430,7 @@ function applyLinks(releases, packagesByName, linked) {
+
+ function getPreVersion(version) {
+   let parsed = semver.parse(version);
+-  let preVersion = parsed.prerelease[1] === undefined ? -1 : parsed.prerelease[1];
++  let preVersion = parsed?.prerelease[1] === undefined ? -1 : parsed.prerelease[1];
+
+   if (typeof preVersion !== "number") {
+     throw new errors.InternalError("preVersion is not a number");
+diff --git a/dist/assemble-release-plan.cjs.prod.js b/dist/assemble-release-plan.cjs.prod.js
+index 87b4c104bf3fa53ba498ced6f81eda0ed4c86436..bbd6f6a9dadef83b1bb5b95e6883b2fd235fe653 100644
+--- a/dist/assemble-release-plan.cjs.prod.js
++++ b/dist/assemble-release-plan.cjs.prod.js
+@@ -214,7 +214,7 @@ function applyLinks(releases, packagesByName, linked) {
+ }
+
+ function getPreVersion(version) {
+-  let parsed = semver.parse(version), preVersion = void 0 === parsed.prerelease[1] ? -1 : parsed.prerelease[1];
++  let parsed = semver.parse(version), preVersion = void 0 === parsed?.prerelease[1] ? -1 : parsed.prerelease[1];
+   if ("number" != typeof preVersion) throw new errors.InternalError("preVersion is not a number");
+   return preVersion++, preVersion;
+ }
+diff --git a/src/index.ts b/src/index.ts
+index 3ffb6fa772b78506bd7de7a4fcb41c004733b00d..54c64132371059e535d9fe2f9b946f1c5d2cee45 100644
+--- a/src/index.ts
++++ b/src/index.ts
+@@ -24,7 +24,7 @@ type SnapshotReleaseParameters = {
+ function getPreVersion(version: string) {
+   let parsed = semver.parse(version)!;
+   let preVersion =
+-    parsed.prerelease[1] === undefined ? -1 : parsed.prerelease[1];
++    parsed?.prerelease[1] === undefined ? -1 : parsed.prerelease[1];
+   if (typeof preVersion !== "number") {
+     throw new InternalError("preVersion is not a number");
+   }