From 519c34bc60d2367cbd3edfd96d56e1dacd88e084 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?B=C3=A1n=20D=C3=A9nes?= <mr@zealot.hu>
Date: Sat, 26 Dec 2020 15:17:15 +0100
Subject: [PATCH] Nested key support

---
 package-lock.json |  2 +-
 src/cli.js        |  1 +
 src/ergogen.js    |  1 +
 src/utils.js      | 23 +++++++++++++++++++++++
 test/utils.js     |  7 +++++++
 5 files changed, 33 insertions(+), 1 deletion(-)
 create mode 100644 test/utils.js

diff --git a/package-lock.json b/package-lock.json
index c1d1252..dab4816 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
     "name": "ergogen",
-    "version": "0.1.0",
+    "version": "1.0.0",
     "lockfileVersion": 1,
     "requires": true,
     "dependencies": {
diff --git a/src/cli.js b/src/cli.js
index 7ecbc7a..3ab36de 100644
--- a/src/cli.js
+++ b/src/cli.js
@@ -62,6 +62,7 @@ try {
 } catch (err) {
     throw new Error(`Malformed input within "${args.c}": ${err}`)
 }
+config = u.expand_nested_keys(config)
 
 // points
 
diff --git a/src/ergogen.js b/src/ergogen.js
index 99231d1..d12ad8a 100644
--- a/src/ergogen.js
+++ b/src/ergogen.js
@@ -1,4 +1,5 @@
 module.exports = {
+    utils: require('./utils'),
     points: require('./points'),
     outlines: require('./outlines'),
     cases: require('./cases'),
diff --git a/src/utils.js b/src/utils.js
index 8be4db0..d2c4c6f 100644
--- a/src/utils.js
+++ b/src/utils.js
@@ -2,6 +2,29 @@ const m = require('makerjs')
 
 exports.deepcopy = (value) => JSON.parse(JSON.stringify(value))
 
+const deep_assign = exports.deep_assign = (obj, key, val) => {
+    const levels = key.split('.')
+    const last = levels.pop()
+    let step = obj
+    for (const level of levels) {
+        step[level] = step[level] || {}
+        step = step[level]
+    }
+    step[last] = val
+    return obj
+}
+
+const expand_nested_keys = exports.expand_nested_keys = (config) => {
+    if (typeof config == 'object') {
+        const result = {}
+        for (const [key, val] of Object.entries(config)) {
+            deep_assign(result, key, expand_nested_keys(val))
+        }
+        return result
+    }
+    return config
+}
+
 const eq = exports.eq = (a=[], b=[]) => {
     return a[0] === b[0] && a[1] === b[1]
 }
diff --git a/test/utils.js b/test/utils.js
new file mode 100644
index 0000000..cd7e4f2
--- /dev/null
+++ b/test/utils.js
@@ -0,0 +1,7 @@
+const u = require('../src/utils')
+
+describe('Utils', function() {
+    it('deep_assign', function() {
+        u.deep_assign({}, 'a.b.c', 1).should.deep.equal({a: {b: {c: 1}}})
+    })
+})
\ No newline at end of file