3 files changed, 133 insertions, 0 deletions

diff --git a/buildSrc/src/main/groovy/refinery-frontend-conventions.gradle b/buildSrc/src/main/groovy/refinery-frontend-conventions.gradle
new file mode 100644
index 00000000..da9370fe
--- /dev/null
+++ b/buildSrc/src/main/groovy/refinery-frontend-conventions.gradle
@@ -0,0 +1,14 @@
+plugins {
+        id 'org.siouan.frontend-jdk11'
+}
+
+frontend {
+        nodeVersion = project.ext['frontend.nodeVersion']
+        nodeInstallDirectory = file("${rootDir}/.node")
+        yarnEnabled = true
+        yarnVersion = project.ext['frontend.yarnVersion']
+}
+
+tasks.named('enableYarnBerry') {
+        enabled = false
+}
diff --git a/buildSrc/src/main/groovy/refinery-frontend-workspace.gradle b/buildSrc/src/main/groovy/refinery-frontend-workspace.gradle
new file mode 100644
index 00000000..35410db4
--- /dev/null
+++ b/buildSrc/src/main/groovy/refinery-frontend-workspace.gradle
@@ -0,0 +1,28 @@
+plugins {
+        id 'refinery-frontend-conventions'
+}
+
+tasks.named('installNode') {
+        dependsOn rootProject.tasks.named('installNode')
+        enabled = false
+}
+
+tasks.named('installYarnGlobally') {
+        dependsOn rootProject.tasks.named('installYarnGlobally')
+        enabled = false
+}
+
+tasks.named('installYarn') {
+        dependsOn rootProject.tasks.named('installYarn')
+        enabled = false
+}
+
+def rootInstallFrontend = rootProject.tasks.named('installFrontend')
+rootInstallFrontend.configure {
+        inputs.file "${projectDir}/package.json"
+}
+
+tasks.named('installFrontend') {
+        dependsOn rootInstallFrontend
+        enabled = false
+}
diff --git a/buildSrc/src/main/groovy/refinery-frontend-worktree.gradle b/buildSrc/src/main/groovy/refinery-frontend-worktree.gradle
new file mode 100644
index 00000000..fbbf13d2
--- /dev/null
+++ b/buildSrc/src/main/groovy/refinery-frontend-worktree.gradle
@@ -0,0 +1,91 @@
+plugins {
+        id 'refinery-frontend-conventions'
+}
+
+frontend {
+        yarnGlobalInstallScript = "install -g yarn@${project.ext['frontend.yarn1Version']}"
+        yarnInstallScript = "set version ${frontend.yarnVersion.get()} --only-if-needed"
+}
+
+ext.frontedPropertiesFile = "${frontend.nodeInstallDirectory.get()}/frontend.properties"
+
+def String getFrontendProperty(String propertyName) {
+        FileInputStream inputStream = null
+        Properties props = new Properties()
+        try {
+                inputStream = new FileInputStream(frontedPropertiesFile)
+                props.load(inputStream)
+        } catch (FileNotFoundException | IOException e) {
+                return null
+        } finally {
+                if (inputStream != null) {
+                        inputStream.close()
+                }
+        }
+        return props.get(propertyName)
+}
+
+def String putFrontedProperty(String propertyName, String propertyValue) {
+        FileInputStream inputStream = null
+        Properties props = new Properties()
+        try {
+                inputStream = new FileInputStream(frontedPropertiesFile)
+                props.load(inputStream)
+        } catch (FileNotFoundException e) {
+                // Use an empty Properties object instead
+        } finally {
+                if (inputStream != null) {
+                        inputStream.close()
+                }
+        }
+        props.put(propertyName, propertyValue)
+        FileOutputStream outputStream = null
+        try {
+                outputStream = new FileOutputStream(frontedPropertiesFile)
+                props.store(outputStream, null)
+        } catch (IOException e) {
+                return true;
+        } finally {
+                if (outputStream != null) {
+                        outputStream.close()
+                }
+        }
+}
+
+tasks.named('installNode') {
+        onlyIf {
+                getFrontendProperty('installedNodeVersion') != frontend.nodeVersion.get()
+        }
+        doLast {
+                putFrontedProperty('installedNodeVersion', frontend.nodeVersion.get())
+        }
+}
+
+tasks.named('installYarnGlobally') {
+        onlyIf {
+                getFrontendProperty('installedYarn1Version') != project.ext['frontend.yarn1Version']
+        }
+        doLast {
+                putFrontedProperty('installedYarn1Version', project.ext['frontend.yarn1Version'])
+        }
+        outputs.dir "${frontend.nodeInstallDirectory.get()}/lib/node_modules/yarn"
+}
+
+tasks.named('installYarn') {
+        outputs.file ".yarn/releases/yarn-${frontend.yarnVersion.get()}.cjs"
+}
+
+tasks.named('installFrontend') {
+        inputs.files('package.json', 'yarn.lock')
+        outputs.files('.pnp.cjs', '.pnp.loader.mjs')
+}
+
+tasks.register('clobberFrontend', Delete) {
+        delete frontend.nodeInstallDirectory.get()
+        delete '.yarn/cache'
+        delete '.yarn/install-state.gz'
+        delete '.yarn/sdks'
+        delete '.yarn/unplugged'
+        delete '.pnp.cjs'
+        delete '.pnp.loader.mjs'
+}