Rename editor components

packages/mini-editor/src/index.tsx

@@ -1,14 +1,14 @@
 import "./index.scss"
 
-import { MiniEditor, MiniEditorProps } from "./mini-editor"
 import {
-  MiniEditorWithState,
-  StatefulEditorProps,
-} from "./stateful-editor"
+  MiniEditorHike,
+  MiniEditorHikeProps,
+} from "./mini-editor-hike"
+import { MiniEditor, MiniEditorProps } from "./mini-editor"
 
 export {
+  MiniEditorHike,
   MiniEditor,
-  MiniEditorWithState,
+  MiniEditorHikeProps,
   MiniEditorProps,
-  StatefulEditorProps,
 }

packages/mini-editor/src/mini-editor-hike.tsx

@@ -0,0 +1,262 @@
+import React from "react"
+import { EditorFrame, TerminalPanel } from "./editor-frame"
+import { InnerTerminal } from "@code-hike/mini-terminal"
+import { Code } from "./code"
+import {
+  useBackwardTransitions,
+  useForwardTransitions,
+} from "./steps"
+import { Classes } from "@code-hike/classer"
+// import "./theme.css"
+
+export { MiniEditorHike }
+
+type MiniEditorStep = {
+  code?: string
+  focus?: string
+  lang?: string
+  file?: string
+  tabs?: string[]
+  terminal?: string
+}
+
+export type MiniEditorHikeProps = {
+  progress?: number
+  backward?: boolean
+  code?: string
+  focus?: string
+  lang?: string
+  file?: string
+  tabs?: string[]
+  steps?: MiniEditorStep[]
+  height?: number
+  minColumns?: number
+  minZoom?: number
+  maxZoom?: number
+  button?: React.ReactNode
+  classes?: Classes
+} & React.PropsWithoutRef<JSX.IntrinsicElements["div"]>
+
+function MiniEditorHike(props: MiniEditorHikeProps) {
+  const {
+    progress = 0,
+    backward = false,
+    code,
+    focus,
+    lang,
+    file,
+    steps: ogSteps,
+    tabs: ogTabs,
+    minColumns = 50,
+    minZoom = 0.2,
+    maxZoom = 1,
+    height,
+    ...rest
+  } = props
+  const { steps, files, stepsByFile } = useSteps(ogSteps, {
+    code,
+    focus,
+    lang,
+    file,
+    tabs: ogTabs,
+  })
+
+  const activeStepIndex = backward
+    ? Math.floor(progress)
+    : Math.ceil(progress)
+  const activeStep = steps[activeStepIndex]
+  const activeFile = (activeStep && activeStep.file) || ""
+
+  const activeSteps = stepsByFile[activeFile] || []
+
+  const tabs = activeStep.tabs || files
+
+  const terminalHeight = getTerminalHeight(steps, progress)
+
+  const terminalSteps = steps.map(s => ({
+    text: (s && s.terminal) || "",
+  }))
+
+  const contentSteps = useStepsWithDefaults(
+    { code, focus, lang, file },
+    ogSteps || []
+  )
+
+  return (
+    <EditorFrame
+      files={tabs}
+      active={activeFile}
+      terminalPanel={
+        <TerminalPanel height={terminalHeight}>
+          <InnerTerminal
+            steps={terminalSteps}
+            progress={progress}
+          />
+        </TerminalPanel>
+      }
+      height={height}
+      {...rest}
+    >
+      {activeSteps.length > 0 && (
+        <EditorContent
+          key={activeFile}
+          backward={backward}
+          progress={progress}
+          steps={contentSteps}
+          parentHeight={height}
+          minColumns={minColumns}
+          minZoom={minZoom}
+          maxZoom={maxZoom}
+        />
+      )}
+    </EditorFrame>
+  )
+}
+
+function useStepsWithDefaults(
+  defaults: MiniEditorStep,
+  steps: MiniEditorStep[]
+): ContentStep[] {
+  const files = [
+    ...new Set(
+      steps.map(s => coalesce(s.file, defaults.file, ""))
+    ),
+  ]
+  return steps.map(step => {
+    return {
+      code: coalesce(step.code, defaults.code, ""),
+      file: coalesce(step.file, defaults.file, ""),
+      focus: coalesce(step.focus, defaults.focus, ""),
+      lang: coalesce(
+        step.lang,
+        defaults.lang,
+        "javascript"
+      ),
+      tabs: coalesce(step.tabs, defaults.tabs, files),
+      terminal: step.terminal || defaults.terminal,
+    }
+  })
+}
+
+function coalesce<T>(
+  a: T | null | undefined,
+  b: T | null | undefined,
+  c: T
+): T {
+  return a != null ? a : b != null ? b : c
+}
+
+type ContentStep = {
+  code: string
+  focus: string
+  lang: string
+  file: string
+  tabs: string[]
+  terminal?: string
+}
+
+type ContentProps = {
+  progress: number
+  backward: boolean
+  steps: ContentStep[]
+  parentHeight?: number
+  minColumns: number
+  minZoom: number
+  maxZoom: number
+}
+
+function EditorContent({
+  progress,
+  backward,
+  steps,
+  parentHeight,
+  minColumns,
+  minZoom,
+  maxZoom,
+}: ContentProps) {
+  const fwdTransitions = useForwardTransitions(steps)
+  const bwdTransitions = useBackwardTransitions(steps)
+
+  const transitionIndex = Math.ceil(progress)
+  const {
+    prevCode,
+    nextCode,
+    prevFocus,
+    nextFocus,
+    lang,
+  } = backward
+    ? bwdTransitions[transitionIndex]
+    : fwdTransitions[transitionIndex]
+
+  return (
+    <Code
+      prevCode={prevCode || nextCode!}
+      nextCode={nextCode || prevCode!}
+      prevFocus={prevFocus}
+      nextFocus={nextFocus}
+      language={lang}
+      progress={progress - transitionIndex + 1}
+      parentHeight={parentHeight}
+      minColumns={minColumns}
+      minZoom={minZoom}
+      maxZoom={maxZoom}
+    />
+  )
+}
+
+function useSteps(
+  ogSteps: MiniEditorStep[] | undefined,
+  { code = "", focus, lang, file, tabs }: MiniEditorStep
+) {
+  return React.useMemo(() => {
+    const steps = ogSteps?.map(s => ({
+      code,
+      focus,
+      lang,
+      file,
+      tabs,
+      ...s,
+    })) || [{ code, focus, lang, file, tabs }]
+
+    const files = [
+      ...new Set(
+        steps
+          .map((s: any) => s.file)
+          .filter((f: any) => f != null)
+      ),
+    ]
+
+    const stepsByFile: Record<string, MiniEditorStep[]> = {}
+    steps.forEach(s => {
+      if (s.file == null) return
+      if (!stepsByFile[s.file]) {
+        stepsByFile[s.file] = []
+      }
+      stepsByFile[s.file].push(s)
+    })
+
+    return { steps, files, stepsByFile }
+  }, [ogSteps, code, focus, lang, file, tabs])
+}
+
+const MAX_HEIGHT = 150
+function getTerminalHeight(steps: any, progress: number) {
+  if (!steps.length) {
+    return 0
+  }
+
+  const prevIndex = Math.floor(progress)
+  const nextIndex = Math.ceil(progress)
+  const prevTerminal =
+    steps[prevIndex] && steps[prevIndex].terminal
+  const nextTerminal = steps[nextIndex].terminal
+
+  if (!prevTerminal && !nextTerminal) return 0
+
+  if (!prevTerminal && nextTerminal)
+    return MAX_HEIGHT * Math.min((progress % 1) * 4, 1)
+  if (prevTerminal && !nextTerminal)
+    return MAX_HEIGHT * Math.max(1 - (progress % 1) * 4, 0)
+
+  return MAX_HEIGHT
+}