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feat: accept vectors of size 2 in addition to MapEntry in unparse #1140

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0c7aacb
feat: accept vectors of size 2 in addition to MapEntry in unparse
opqdonut Nov 28, 2024
cb60f34
doc: update CHANGELOG.md
opqdonut Nov 28, 2024
6947162
perf: prefer nth over first/second
opqdonut Nov 29, 2024
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1 change: 1 addition & 0 deletions CHANGELOG.md
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Expand Up @@ -16,6 +16,7 @@ Malli is in well matured [alpha](README.md#alpha).

## 0.17.0 (UNRELEASED)

* `unparse` accepts vectors in addition to MapEntry values for `:orn` and `:multi` [#1123](https://github.com/metosin/malli/issues/1123)
* Don't output `:definitions nil` in swagger. [#1134](https://github.com/metosin/malli/issues/1134)
* **BREAKING**: `:gen/fmap` property requires its schema to create a generator.
* previous behavior defaulted to a `nil`-returning generator, even if the schema doesn't accept `nil`
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6 changes: 3 additions & 3 deletions src/malli/core.cljc
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Expand Up @@ -872,8 +872,8 @@
(let [unparsers (into {} (map (fn [[k _ c]] [k (-unparser c)])) (-children this))]
(fn [x]
(if (miu/-tagged? x)
(if-some [unparse (get unparsers (key x))]
(unparse (val x))
(if-some [unparse (get unparsers (first x))]
(unparse (second x))
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@frenchy64 frenchy64 Nov 28, 2024

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nth might be more equivalent in performance here since I think first needs to go via seq.

::invalid)
::invalid))))
(-transformer [this transformer method options]
Expand Down Expand Up @@ -1650,7 +1650,7 @@
(fn [x] (if-some [parser (find (dispatch x))] (parser x) ::invalid))))
(-unparser [_]
(let [unparsers (reduce-kv (fn [acc k s] (assoc acc k (-unparser s))) {} @dispatch-map)]
(fn [x] (if (miu/-tagged? x) (if-some [f (unparsers (key x))] (f (val x)) ::invalid) ::invalid))))
(fn [x] (if (miu/-tagged? x) (if-some [f (unparsers (first x))] (f (second x)) ::invalid) ::invalid))))
(-transformer [this transformer method options]
;; FIXME: Probably should not use `dispatch`
;; Can't use `dispatch` as `x` might not be valid before it has been unparsed:
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2 changes: 1 addition & 1 deletion src/malli/impl/util.cljc
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Expand Up @@ -6,7 +6,7 @@
(def ^:const +max-size+ #?(:clj Long/MAX_VALUE, :cljs (.-MAX_VALUE js/Number)))

(defn -tagged [k v] #?(:clj (MapEntry. k v), :cljs (MapEntry. k v nil)))
(defn -tagged? [v] (instance? MapEntry v))
(defn -tagged? [v] (or (instance? MapEntry v) (and (vector? v) (= 2 (count v)))))

(defn -invalid? [x] #?(:clj (identical? x :malli.core/invalid), :cljs (keyword-identical? x :malli.core/invalid)))
(defn -map-valid [f v] (if (-invalid? v) v (f v)))
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5 changes: 5 additions & 0 deletions test/malli/core_test.cljc
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Expand Up @@ -257,7 +257,9 @@
(is (= (miu/-tagged :pos 1) (m/parse schema* 1)))
(is (= ::m/invalid (m/parse schema* 0)))
(is (= 1 (m/unparse schema* (miu/-tagged :pos 1))))
(is (= 1 (m/unparse schema* [:pos 1])))
(is (= ::m/invalid (m/unparse schema* (miu/-tagged :pos 0))))
(is (= ::m/invalid (m/unparse schema* [:pos 0])))

(doseq [schema [schema schema*]]
(testing (m/form schema)
Expand Down Expand Up @@ -1151,8 +1153,11 @@
(is (= ::m/invalid (m/parse schema invalid5)))
(is (= ::m/invalid (m/parse schema invalid6)))
(is (= valid1 (m/unparse schema (m/parse schema valid1))))
(is (= valid1 (m/unparse schema [:sized valid1])))
(is (= valid2 (m/unparse schema (m/parse schema valid2))))
(is (= valid2 (m/unparse schema [:human valid2])))
(is (= valid3 (m/unparse schema (m/parse schema valid3))))
(is (= valid3 (m/unparse schema [:sized valid3])))
(is (= ::m/invalid (m/unparse schema invalid1)))
(is (= ::m/invalid (m/unparse schema invalid2)))
(is (= ::m/invalid (m/unparse schema invalid3)))
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