build: replace stamp bash script with node script (#367)

* build: replace stamp bash script with node script

* build: move stamp script to tools dir

* build: fix npm stamp script

angular.json

@@ -91,15 +91,6 @@
             "jestConfig": "apps/xlayers/jest.config.js",
             "passWithNoTests": true
           }
-        },
-        "stamp": {
-          "builder": "@nrwl/workspace:run-commands",
-          "options": {
-            "commands": [
-              "chmod u+x ./scripts/stamp.bash",
-              "./scripts/stamp.bash"
-            ]
-          }
         }
       }
     },

package.json

@@ -25,7 +25,7 @@
     "update": "ng update @nrwl/workspace",
     "workspace-schematic": "nx workspace-schematic",
     "dep-graph": "nx dep-graph",
-    "stamp": "nx run xlayers:stamp",
+    "stamp": "node tools/stamp.js",
     "release": "release-it --config .release-it.json",
     "deploy": "npm run build -- --prod && npm run stamp && firebase deploy --only hosting",
     "help": "nx help"
@@ -95,6 +95,8 @@
     "ng-packagr": "^10.0.3",
     "prettier": "2.0.4",
     "release-it": "^14.0.3",
+    "replace-in-file": "^6.1.0",
+    "simple-git": "^2.20.1",
     "ts-jest": "26.1.4",
     "ts-node": "~7.0.0",
     "tslint": "~6.0.0",

tools/stamp.js

@@ -0,0 +1,28 @@
+const simpleGit = require('simple-git');
+const replace = require('replace-in-file');
+const git = simpleGit();
+
+/** Get build number from current git revision */
+const getBuildNumber = () =>
+  Promise.all([
+    git.revparse(['--abbrev-ref', 'HEAD']),
+    git.revparse(['--short', 'HEAD']),
+  ]).then(([b, v]) => `${b}+sha.${v}`);
+
+/** Replace _BUILD_HASH_ in dist files with the current build number */
+const replaceBuildHash = (buildNumber) =>
+  replace({
+    from: /_BUILD_HASH_/g,
+    to: buildNumber,
+    files: 'dist/**/**/*.js',
+  }).then(() => buildNumber);
+
+// Run script
+getBuildNumber()
+  .then(replaceBuildHash)
+  .then((buildNumber) => {
+    console.log(`Build was stamped: ${buildNumber}`);
+  })
+  .catch((e) => {
+    console.error('Could not stamp this build!', e);
+  });