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import AceEditor from "react-ace"
import "ace-builds/src-noconflict/mode-java"
import "ace-builds/src-noconflict/theme-github"
import { useEffect, useState } from "react"
import styles from "./Editor.module.css"
import { useExamples, useSubmitSource } from "./api"
import Select from "react-select"
const defaultSourceText = `define times2
dup +
;
3 times2 .
-- prints 6
`
const Editor = () => {
const examples = useExamples()
const [sourceText, setSourceText] = useState(defaultSourceText)
const { result, submitSource } = useSubmitSource()
const [sourceDirty, setSourceDirty] = useState(false)
const onChange = (text: string) => {
setSourceText(text)
setSourceDirty(true)
}
const renderExamples = () => {
switch (examples.type) {
case "not_yet_requested":
case "loading":
return <div id="examples-loading">Loading examples...</div>
case "failed":
return <div className={styles.error}>
An unexpected error occurred while loading examples. See console for details.
</div>
case "success": {
const options = examples.data.examples.map(example => ({
value: example.content, label: example.title,
}))
const customStyles = {
option: (styles: any) => ({
...styles,
cursor: "pointer",
color: "#282c34",
}),
control: (styles: any) => ({
...styles,
cursor: "pointer",
}),
}
return (
<Select
id="example-select"
placeholder="Pick an example code snippet..."
options={options}
onChange={(val) => {
let ok = true
if (sourceDirty) {
ok = window.confirm("Loading an example will discard your changes. Proceed?")
}
if (ok) {
setSourceText(val?.value as string)
setSourceDirty(false)
}
}}
styles={customStyles}
/>
)
}
}
}
const renderResults = () => {
switch (result.type) {
case "not_yet_requested":
return null
case "loading":
return (
<div>
Running...
</div>
)
case "failed":
return (
<div className={styles.error}>
Failed to run code on the server. See console for details.
</div>
)
case "success": {
const text = `Output:\n${result.data}`
return (
<AceEditor
mode=""
theme="github"
onChange={() => undefined}
value={text}
name="results"
editorProps={{ $blockScrolling: true }}
width="100%"
minLines={10}
maxLines={10}
fontSize={16}
readOnly
/>
)
}
}
}
const resetSourceEditor = () => {
setSourceText("")
}
// reset source editor content, used in e2e tests
useEffect(() => {
window.addEventListener("resetSourceEditor", resetSourceEditor)
return () => {
window.removeEventListener("resetSourceEditor", resetSourceEditor)
}
}, [])
return (
<>
<div className={styles.examples}>
{renderExamples()}
</div>
<div id="source-editor">
<AceEditor
mode=""
theme="github"
onChange={onChange}
value={sourceText}
name="editor"
editorProps={{ $blockScrolling: true }}
width="100%"
fontSize={16}
/>
</div>
<button id="run-button" className={styles.runButton} onClick={() => submitSource(sourceText)}>
▶️ Run code on server
</button>
<div id="results-editor" className={styles.results}>
{renderResults()}
</div>
</>
)
}
export default Editor
|
