Pipeline Magic

lib/jobs/pipelines.js

@@ -0,0 +1,31 @@
+import _ from "lodash";
+
+const nest = (arr) => {
+  const obj = {};
+  arr.reduce((o, s) => (o[s] = {}), obj);
+  return obj;
+};
+
+export const asTree = (branches) => {
+    const nests = branches.map((b)=>nest(b));
+    return _.merge(...nests);
+  };
+
+export const asBranches = (array) => {
+    const merged = [];
+    array.forEach((p, i) => {
+      p.forEach((v, i) => {
+        if (!merged[i]) merged[i] = [];
+        if (!merged[i].includes(v)) merged[i].push(v);
+      });
+    });
+    return merged;
+  }
+
+export const as1d = (a) => [].concat.apply([], a);
+
+export const selectBranch = (map,test) => {
+    const pipeline = map.find((pm)=>pm.includes(test)); 
+    const testIndex = pipeline.findIndex((t) => t === test);
+    return pipeline.slice(0, testIndex + 1);
+  }