Pin Node.JS version in GitHub Actions/Netlify to v18.18.2 using NVM (removes volta)

.github/workflows/build-docs.yml

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

.github/workflows/build.yml

@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node-version: [18.x]
+        node-version: [18.18.2]
     steps:
       - uses: actions/checkout@v4
 

.github/workflows/e2e-applitools.yml

@@ -23,7 +23,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node-version: [18.x]
+        node-version: [18.18.2]
     steps:
       - if: ${{ ! env.USE_APPLI }}
         name: Warn if not using Applitools

.github/workflows/e2e.yml

@@ -14,7 +14,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        node-version: [18.x]
+        node-version: [18.18.2]
         containers: [1, 2, 3, 4]
     steps:
       - uses: actions/checkout@v4

.github/workflows/lint.yml

@@ -18,7 +18,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node-version: [18.x]
+        node-version: [18.18.2]
     steps:
       - uses: actions/checkout@v4
 

.github/workflows/publish-docs.yml

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

.github/workflows/release-publish.yml

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

.github/workflows/test.yml

@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node-version: [18.x]
+        node-version: [18.18.2]
     steps:
       - uses: actions/checkout@v4
 

.nvmrc

@@ -0,0 +1 @@
+v18.18.2

CONTRIBUTING.md

@@ -8,9 +8,9 @@ Please read in detail about how to contribute documentation and code on the [Mer
 
 ## Requirements
 
-- [volta](https://volta.sh/) to manage node versions.
-- [Node.js](https://nodejs.org/en/). `volta install node`
-- [pnpm](https://pnpm.io/) package manager. `volta install pnpm`
+- [nvm](https://github.com/nvm-sh/nvm) to manage node versions.
+- [Node.js](https://nodejs.org/en/). `nvm install`
+- [pnpm](https://pnpm.io/) package manager. `corepack enable`
 
 ## Development Installation
 
@@ -24,8 +24,7 @@ cd mermaid
 Install required packages:
 
 ```bash
-# npx is required for first install as volta support for pnpm is not added yet.
-npx pnpm install
+pnpm install
 pnpm test # run unit tests
 pnpm dev # starts a dev server
 ```

docs/community/development.md

@@ -34,10 +34,9 @@ Then you **clone** a copy to your local development machine (e.g. where you code
 
 These are the tools we use for working with the code and documentation:
 
-- [volta](https://volta.sh/) to manage node versions.
-- [Node.js](https://nodejs.org/en/). `volta install node`
-- [pnpm](https://pnpm.io/) package manager. `volta install pnpm`
-- [npx](https://docs.npmjs.com/cli/v8/commands/npx) the packaged executor in npm. This is needed [to install pnpm.](#install-packages)
+- [nvm](https://github.com/nvm-sh/nvm) to manage node versions.
+- [Node.js](https://nodejs.org/en/). `nvm install`
+- [pnpm](https://pnpm.io/) package manager. `corepack enable`
 
 Follow the setup steps below to install them and start the development.
 
@@ -53,10 +52,12 @@ cd mermaid
 
 ### Install packages
 
-Run `npx pnpm install`. You will need `npx` for this because volta doesn't support it yet.
+Run `pnpm install`.
+Assuming you've ran [`corepack enable`](https://nodejs.org/api/corepack.html#how-does-corepack-interact-with-npm),
+Node.JS will automatically install the correct version of `pnpm` for you.
 
 ```bash
-npx pnpm install # npx is required for first install
+pnpm install
 ```
 
 ### Launch

docs/intro/index.md

@@ -382,17 +382,16 @@ Detailed information about how to contribute can be found in the [contribution g
 
 ### Requirements
 
-- [volta](https://volta.sh/) to manage node versions.
-- [Node.js](https://nodejs.org/en/). `volta install node`
-- [pnpm](https://pnpm.io/) package manager. `volta install pnpm`
+- [nvm](https://github.com/nvm-sh/nvm) to manage node versions.
+- [Node.js](https://nodejs.org/en/). `nvm install`
+- [pnpm](https://pnpm.io/) package manager. `corepack enable`
 
 ### Development Installation
 
 ```bash
 git clone git@github.com:mermaid-js/mermaid.git
 cd mermaid
-# npx is required for first install as volta support for pnpm is not added yet.
-npx pnpm install
+pnpm install # if pnpm is not installed, use `corepack enable` to tell Node.JS to auto-install it
 pnpm test
 ```
 

package.json

@@ -122,9 +122,6 @@
     "vite-plugin-istanbul": "^4.1.0",
     "vitest": "^0.34.0"
   },
-  "volta": {
-    "node": "18.18.2"
-  },
   "nyc": {
     "report-dir": "coverage/cypress"
   }

packages/mermaid/src/docs/community/development.md

@@ -28,10 +28,9 @@ Then you **clone** a copy to your local development machine (e.g. where you code
 
 These are the tools we use for working with the code and documentation:
 
-- [volta](https://volta.sh/) to manage node versions.
-- [Node.js](https://nodejs.org/en/). `volta install node`
-- [pnpm](https://pnpm.io/) package manager. `volta install pnpm`
-- [npx](https://docs.npmjs.com/cli/v8/commands/npx) the packaged executor in npm. This is needed [to install pnpm.](#install-packages)
+- [nvm](https://github.com/nvm-sh/nvm) to manage node versions.
+- [Node.js](https://nodejs.org/en/). `nvm install`
+- [pnpm](https://pnpm.io/) package manager. `corepack enable`
 
 Follow the setup steps below to install them and start the development.
 
@@ -47,10 +46,12 @@ cd mermaid
 
 ### Install packages
 
-Run `npx pnpm install`. You will need `npx` for this because volta doesn't support it yet.
+Run `pnpm install`.
+Assuming you've ran [`corepack enable`](https://nodejs.org/api/corepack.html#how-does-corepack-interact-with-npm),
+Node.JS will automatically install the correct version of `pnpm` for you.
 
 ```bash
-npx pnpm install # npx is required for first install
+pnpm install
 ```
 
 ### Launch

packages/mermaid/src/docs/intro/index.md

@@ -139,17 +139,16 @@ Detailed information about how to contribute can be found in the [contribution g
 
 ### Requirements
 
-- [volta](https://volta.sh/) to manage node versions.
-- [Node.js](https://nodejs.org/en/). `volta install node`
-- [pnpm](https://pnpm.io/) package manager. `volta install pnpm`
+- [nvm](https://github.com/nvm-sh/nvm) to manage node versions.
+- [Node.js](https://nodejs.org/en/). `nvm install`
+- [pnpm](https://pnpm.io/) package manager. `corepack enable`
 
 ### Development Installation
 
 ```bash
 git clone git@github.com:mermaid-js/mermaid.git
 cd mermaid
-# npx is required for first install as volta support for pnpm is not added yet.
-npx pnpm install
+pnpm install # if pnpm is not installed, use `corepack enable` to tell Node.JS to auto-install it
 pnpm test
 ```