From 7c10d171f64751889612addaeb03589b7581673c Mon Sep 17 00:00:00 2001
From: alex <alex@slab.org>
Date: Tue, 12 Apr 2022 16:49:27 +0100
Subject: [PATCH] patternify jux, add juxBy

---
 packages/core/strudel.mjs           | 9 ++++++++-
 packages/core/test/pattern.test.mjs | 8 ++++++++
 2 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/packages/core/strudel.mjs b/packages/core/strudel.mjs
index ec1eaa2e..0a58311b 100644
--- a/packages/core/strudel.mjs
+++ b/packages/core/strudel.mjs
@@ -791,7 +791,7 @@ class Pattern {
     return new Pattern(query)._splitQueries();
   }
 
-  jux(func, by = 1) {
+  juxBy(by, func) {
     by /= 2;
     const elem_or = function (dict, key, dflt) {
       if (key in dict) {
@@ -805,6 +805,10 @@ class Pattern {
     return stack(left, func(right));
   }
 
+  _jux(func) {
+    return this.juxBy(1, func);
+  }
+
   // is there a different name for those in tidal?
   stack(...pats) {
     return stack(this, ...pats);
@@ -900,6 +904,7 @@ Pattern.prototype.patternified = [
   'velocity',
   'segment',
   'color',
+  'jux'
 ];
 // methods that create patterns, which are added to patternified Pattern methods
 Pattern.prototype.factories = { pure, stack, slowcat, fastcat, cat, timeCat, sequence, polymeter, pm, polyrhythm, pr };
@@ -1101,6 +1106,7 @@ const every = curry((i, f, pat) => pat.every(i, f));
 const when = curry((binary, f, pat) => pat.when(binary, f));
 const off = curry((t, f, pat) => pat.off(t, f));
 const jux = curry((f, pat) => pat.jux(f));
+const juxBy = curry((by, f, pat) => pat.juxBy(by, f));
 const append = curry((a, pat) => pat.append(a));
 const superimpose = curry((array, pat) => pat.superimpose(...array));
 const struct = curry((a, pat) => pat.struct(a));
@@ -1257,6 +1263,7 @@ export {
   when,
   off,
   jux,
+  juxBy,
   append,
   superimpose,
   struct,
diff --git a/packages/core/test/pattern.test.mjs b/packages/core/test/pattern.test.mjs
index 9ebd7813..bd52ff05 100644
--- a/packages/core/test/pattern.test.mjs
+++ b/packages/core/test/pattern.test.mjs
@@ -491,6 +491,14 @@ describe('Pattern', function() {
       )
     })
   })
+  describe("juxBy", () => {
+    it("Can juxtapose by half", () => {
+      assert.deepStrictEqual(
+        pure({a: 1}).juxBy(0.5, fast(2))._sortEventsByPart().firstCycle(),
+        stack(pure({a:1, pan: 0.25}), pure({a:1, pan: 0.75}).fast(2))._sortEventsByPart().firstCycle()
+      )
+    })
+  })
   describe("_squeezeJoin", () => {
     it("Can squeeze", () => {
       assert.deepStrictEqual(