planning

node_modules/@emotion/react/src/keyframes.js

@@ -0,0 +1,23 @@
+import css from './css'
+
+/*
+type Keyframes = {|
+  name: string,
+  styles: string,
+  anim: 1,
+  toString: () => string
+|} & string
+*/
+
+export const keyframes = (...args) /*: Keyframes */ => {
+  let insertable = css(...args)
+  const name = `animation-${insertable.name}`
+  return {
+    name,
+    styles: `@keyframes ${name}{${insertable.styles}}`,
+    anim: 1,
+    toString() {
+      return `_EMO_${this.name}_${this.styles}_EMO_`
+    }
+  }
+}