From 310f5c389ec6e49e9ba32cc2cb5f9f654128a384 Mon Sep 17 00:00:00 2001
From: "Alinson S. Xavier" <git@axavier.org>
Date: Fri, 1 Apr 2022 13:41:53 -0500
Subject: [PATCH] Fix import/export of default values

---
 relog-web/src/export.js      | 8 +++++++-
 relog-web/src/export.test.js | 6 ++----
 2 files changed, 9 insertions(+), 5 deletions(-)

diff --git a/relog-web/src/export.js b/relog-web/src/export.js
index 1bde973..ff4c118 100644
--- a/relog-web/src/export.js
+++ b/relog-web/src/export.js
@@ -62,7 +62,7 @@ const computeTotalInitialAmount = (prod) => {
 };
 
 export const importList = (args, R = 1) => {
-  if (!args) return "";
+  if (args === undefined) return "";
   if (Array.isArray(args) && args.length > 0) {
     let isConstant = true;
     for (let i = 1; i < args.length; i++) {
@@ -180,6 +180,9 @@ export const exportPlant = (original, parameters) => {
   // Copy time series values
   ["energy (GJ/tonne)"].forEach((key) => {
     result[key] = exportValue(original[key], T);
+    if (result[key] === undefined) {
+      delete result[key];
+    }
   });
 
   // Copy scalar dicts
@@ -379,6 +382,9 @@ export const importPlant = (original) => {
   // Import timeseries values
   ["energy (GJ/tonne)"].forEach((key) => {
     plant[key] = importList(original[key]);
+    if (plant[key] === "") {
+      delete plant[key];
+    }
   });
 
   // Import dicts
diff --git a/relog-web/src/export.test.js b/relog-web/src/export.test.js
index 797da94..5536058 100644
--- a/relog-web/src/export.test.js
+++ b/relog-web/src/export.test.js
@@ -184,9 +184,8 @@ const samplePlantsOriginal = [
     "outputs (tonne/tonne)": {
       "Hydrogen gas": 0.095,
       "Carbon dioxide": 1.164,
-      Tar: 0.06,
+      Tar: 0,
     },
-    "energy (GJ/tonne)": "50",
     locations: {
       "Washakie County": {
         "latitude (deg)": 43.8356,
@@ -331,9 +330,8 @@ const samplePlantsExported = [
     "outputs (tonne/tonne)": {
       "Hydrogen gas": 0.095,
       "Carbon dioxide": 1.164,
-      Tar: 0.06,
+      Tar: 0,
     },
-    "energy (GJ/tonne)": [50, 50, 50],
     locations: {
       "Washakie County": {
         "latitude (deg)": 43.8356,