Use Yarn

Add COREPACK_ENABLE_STRICT

scripts/editor.bash

@@ -1,11 +1,13 @@
 #!/usr/bin/env bash
 
 set -euxo pipefail
+export COREPACK_ENABLE_STRICT='0'
 
 pushd packages/mermaid
 # Append commit hash to version
 jq ".version = .version + \"+${COMMIT_REF:0:7}\"" package.json > package.tmp.json
 mv package.tmp.json package.json
+yarn link
 popd
 
 pnpm run -r clean
@@ -20,11 +22,11 @@ cd mermaid-live-editor
 
 # We have to use npm instead of yarn because it causes trouble in netlify
 # Install dependencies
-npm install
+yarn install
 
 # Link local mermaid to live editor
-npm link ../packages/mermaid     
+yarn link mermaid     
 
 # Force Build the site
-npm run build -- --force
+yarn run build -- --force