Merge branch 'release/10.8.0'

.eslintrc.cjs

@@ -63,6 +63,17 @@ module.exports = {
         minimumDescriptionLength: 10,
       },
     ],
+    '@typescript-eslint/naming-convention': [
+      'error',
+      {
+        selector: 'typeLike',
+        format: ['PascalCase'],
+        custom: {
+          regex: '^I[A-Z]',
+          match: false,
+        },
+      },
+    ],
     'json/*': ['error', 'allowComments'],
     '@cspell/spellchecker': [
       'error',

.github/pull_request_template.md

@@ -14,5 +14,5 @@ Make sure you
 
 - [ ] :book: have read the [contribution guidelines](https://github.com/mermaid-js/mermaid/blob/develop/CONTRIBUTING.md)
 - [ ] :computer: have added necessary unit/e2e tests.
-- [ ] :notebook: have added documentation. Make sure [`MERMAID_RELEASE_VERSION`](https://github.com/mermaid-js/mermaid/blob/develop/packages/mermaid/src/docs/community/development.md#3-update-documentation) is used for all new features.
+- [ ] :notebook: have added documentation. Make sure [`MERMAID_RELEASE_VERSION`](https://github.com/mermaid-js/mermaid/blob/develop/packages/mermaid/src/docs/community/contributing.md#update-documentation) is used for all new features.
 - [ ] :bookmark: targeted `develop` branch

.github/workflows/build-docs.yml

@@ -24,7 +24,7 @@ jobs:
         uses: actions/setup-node@v4
         with:
           cache: pnpm
-          node-version: 18
+          node-version-file: '.node-version'
 
       - name: Install Packages
         run: pnpm install --frozen-lockfile

.github/workflows/build.yml

@@ -15,20 +15,17 @@ permissions:
 jobs:
   build-mermaid:
     runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        node-version: [18.x]
     steps:
       - uses: actions/checkout@v4
 
       - uses: pnpm/action-setup@v2
         # uses version from "packageManager" field in package.json
 
-      - name: Setup Node.js ${{ matrix.node-version }}
+      - name: Setup Node.js
         uses: actions/setup-node@v4
         with:
           cache: pnpm
-          node-version: ${{ matrix.node-version }}
+          node-version-file: '.node-version'
 
       - name: Install Packages
         run: |

.github/workflows/e2e-applitools.yml

@@ -21,9 +21,9 @@ env:
 jobs:
   e2e-applitools:
     runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        node-version: [18.x]
+    container:
+      image: cypress/browsers:node-20.11.0-chrome-121.0.6167.85-1-ff-120.0-edge-121.0.2277.83-1
+      options: --user 1001
     steps:
       - if: ${{ ! env.USE_APPLI }}
         name: Warn if not using Applitools
@@ -35,10 +35,10 @@ jobs:
       - uses: pnpm/action-setup@v2
         # uses version from "packageManager" field in package.json
 
-      - name: Setup Node.js ${{ matrix.node-version }}
+      - name: Setup Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: ${{ matrix.node-version }}
+          node-version-file: '.node-version'
 
       - if: ${{ env.USE_APPLI }}
         name: Notify applitools of new batch

.github/workflows/e2e.yml

@@ -1,31 +1,90 @@
+# We use github cache to save snapshots between runs.
+# For PRs and MergeQueues, the target commit is used, and for push events, github.event.previous is used.
+# If a snapshot for a given Hash is not found, we checkout that commit, run the tests and cache the snapshots.
+# These are then downloaded before running the E2E, providing the reference snapshots.
+# If there are any errors, the diff image is uploaded to artifacts, and the user is notified.
+
 name: E2E
 
 on:
   push:
+    branches-ignore:
+      - 'gh-readonly-queue/**'
   pull_request:
   merge_group:
 
 permissions:
   contents: read
 
+env:
+  # For PRs and MergeQueues, the target commit is used, and for push events, github.event.previous is used.
+  targetHash: ${{ github.event.pull_request.base.sha || github.event.merge_group.base_sha || (github.event.before == '0000000000000000000000000000000000000000' && 'develop' || github.event.before)  }}
+
 jobs:
+  cache:
+    runs-on: ubuntu-latest
+    container:
+      image: cypress/browsers:node-20.11.0-chrome-121.0.6167.85-1-ff-120.0-edge-121.0.2277.83-1
+      options: --user 1001
+    steps:
+      - uses: actions/checkout@v4
+      - uses: pnpm/action-setup@v2
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version-file: '.node-version'
+      - name: Cache snapshots
+        id: cache-snapshot
+        uses: actions/cache@v4
+        with:
+          save-always: true
+          path: ./cypress/snapshots
+          key: ${{ runner.os }}-snapshots-${{ env.targetHash }}
+
+      # If a snapshot for a given Hash is not found, we checkout that commit, run the tests and cache the snapshots.
+      - name: Switch to base branch
+        if: ${{ steps.cache-snapshot.outputs.cache-hit != 'true' }}
+        uses: actions/checkout@v4
+        with:
+          ref: ${{ env.targetHash }}
+
+      - name: Cypress run
+        uses: cypress-io/github-action@v4
+        id: cypress-snapshot-gen
+        if: ${{ steps.cache-snapshot.outputs.cache-hit != 'true' }}
+        with:
+          start: pnpm run dev
+          wait-on: 'http://localhost:9000'
+          browser: chrome
+
   e2e:
     runs-on: ubuntu-latest
+    container:
+      image: cypress/browsers:node-20.11.0-chrome-121.0.6167.85-1-ff-120.0-edge-121.0.2277.83-1
+      options: --user 1001
+    needs: cache
     strategy:
       fail-fast: false
       matrix:
-        node-version: [18.x]
         containers: [1, 2, 3, 4]
     steps:
       - uses: actions/checkout@v4
 
       - uses: pnpm/action-setup@v2
         # uses version from "packageManager" field in package.json
 
-      - name: Setup Node.js ${{ matrix.node-version }}
+      - name: Setup Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: ${{ matrix.node-version }}
+          node-version-file: '.node-version'
+
+      # These cached snapshots are downloaded, providing the reference snapshots.
+      - name: Cache snapshots
+        id: cache-snapshot
+        uses: actions/cache/restore@v3
+        with:
+          path: ./cypress/snapshots
+          key: ${{ runner.os }}-snapshots-${{ env.targetHash }}
 
       # Install NPM dependencies, cache them correctly
       # and run all Cypress tests
@@ -38,6 +97,7 @@ jobs:
         with:
           start: pnpm run dev:coverage
           wait-on: 'http://localhost:9000'
+          browser: chrome
           # Disable recording if we don't have an API key
           # e.g. if this action was run from a fork
           record: ${{ secrets.CYPRESS_RECORD_KEY != '' }}
@@ -46,6 +106,7 @@ jobs:
           CYPRESS_RECORD_KEY: ${{ secrets.CYPRESS_RECORD_KEY }}
           VITEST_COVERAGE: true
           CYPRESS_COMMIT: ${{ github.sha }}
+
       - name: Upload Coverage to Codecov
         uses: codecov/codecov-action@v3
         # Run step only pushes to develop and pull_requests
@@ -57,9 +118,55 @@ jobs:
           fail_ci_if_error: false
           verbose: true
           token: 6845cc80-77ee-4e17-85a1-026cd95e0766
+
+      # We upload the artifacts into numbered archives to prevent overwriting
       - name: Upload Artifacts
-        uses: actions/upload-artifact@v3
-        if: ${{ failure() && steps.cypress.conclusion == 'failure' }}
+        uses: actions/upload-artifact@v4
+        if: ${{ always() }}
+        with:
+          name: snapshots-${{ matrix.containers }}
+          retention-days: 1
+          path: ./cypress/snapshots
+
+  combineArtifacts:
+    needs: e2e
+    runs-on: ubuntu-latest
+    if: ${{ always() }}
+    steps:
+      # Download all snapshot artifacts and merge them into a single folder
+      - name: Download All Artifacts
+        uses: actions/download-artifact@v4
+        with:
+          path: snapshots
+          pattern: snapshots-*
+          merge-multiple: true
+
+      # For successful push events, we save the snapshots cache
+      - name: Save snapshots cache
+        id: cache-upload
+        if: ${{ github.event_name == 'push' && needs.e2e.result != 'failure' }}
+        uses: actions/cache/save@v3
+        with:
+          path: ./snapshots
+          key: ${{ runner.os }}-snapshots-${{ github.event.after }}
+
+      - name: Flatten images to a folder
+        if: ${{ needs.e2e.result == 'failure'  }}
+        run: |
+          mkdir errors
+          cd snapshots
+          find . -mindepth 2 -type d -name "*__diff_output__*" -exec sh -c 'mv "$0"/*.png ../errors/' {} \;
+
+      - name: Upload Error snapshots
+        if: ${{ needs.e2e.result == 'failure' }}
+        uses: actions/upload-artifact@v4
+        id: upload-artifacts
         with:
           name: error-snapshots
-          path: cypress/snapshots/**/__diff_output__/*
+          retention-days: 10
+          path: errors/
+
+      - name: Notify Users
+        if: ${{ needs.e2e.result == 'failure' }}
+        run: |
+          echo "::error title=Visual tests failed::You can view images that failed by downloading the error-snapshots artifact: ${{ steps.upload-artifacts.outputs.artifact-url }}"

.github/workflows/lint.yml

@@ -16,20 +16,17 @@ permissions:
 jobs:
   lint:
     runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        node-version: [18.x]
     steps:
       - uses: actions/checkout@v4
 
       - uses: pnpm/action-setup@v2
         # uses version from "packageManager" field in package.json
 
-      - name: Setup Node.js ${{ matrix.node-version }}
+      - name: Setup Node.js
         uses: actions/setup-node@v4
         with:
           cache: pnpm
-          node-version: ${{ matrix.node-version }}
+          node-version-file: '.node-version'
 
       - name: Install Packages
         run: |

.github/workflows/publish-docs.yml

@@ -31,7 +31,7 @@ jobs:
         uses: actions/setup-node@v4
         with:
           cache: pnpm
-          node-version: 18
+          node-version-file: '.node-version'
 
       - name: Install Packages
         run: pnpm install --frozen-lockfile

.github/workflows/release-preview-publish.yml

@@ -19,7 +19,7 @@ jobs:
         uses: actions/setup-node@v4
         with:
           cache: pnpm
-          node-version: 18.x
+          node-version-file: '.node-version'
 
       - name: Install Packages
         run: |

.github/workflows/release-publish.yml

@@ -14,11 +14,11 @@ jobs:
       - uses: pnpm/action-setup@v2
         # uses version from "packageManager" field in package.json
 
-      - name: Setup Node.js v18
+      - name: Setup Node.js
         uses: actions/setup-node@v4
         with:
           cache: pnpm
-          node-version: 18.x
+          node-version-file: '.node-version'
 
       - name: Install Packages
         run: |

.github/workflows/test.yml

@@ -8,20 +8,17 @@ permissions:
 jobs:
   unit-test:
     runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        node-version: [18.x]
     steps:
       - uses: actions/checkout@v4
 
       - uses: pnpm/action-setup@v2
         # uses version from "packageManager" field in package.json
 
-      - name: Setup Node.js ${{ matrix.node-version }}
+      - name: Setup Node.js
         uses: actions/setup-node@v4
         with:
           cache: pnpm
-          node-version: ${{ matrix.node-version }}
+          node-version-file: '.node-version'
 
       - name: Install Packages
         run: |

.github/workflows/update-browserlist.yml

@@ -9,10 +9,17 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - run: npx browserslist@latest --update-db
+      - uses: pnpm/action-setup@v2
+      - run: npx update-browserslist-db@latest
       - name: Commit changes
         uses: EndBug/add-and-commit@v9
         with:
           author_name: ${{ github.actor }}
           author_email: ${{ github.actor }}@users.noreply.github.com
           message: 'chore: update browsers list'
+          push: false
+      - name: Create Pull Request
+        uses: peter-evans/create-pull-request@v5
+        with:
+          branch: update-browserslist
+          title: Update Browserslist

.gitignore

@@ -46,3 +46,4 @@ stats/
 
 demos/dev/**
 !/demos/dev/example.html
+tsx-0/**

.node-version

@@ -0,0 +1 @@
+v20.11.0

.vite/jsonSchemaPlugin.ts

@@ -25,6 +25,7 @@ const MERMAID_CONFIG_DIAGRAM_KEYS = [
   'gitGraph',
   'c4',
   'sankey',
+  'block',
 ] as const;
 
 /**