ScrapJupyter@0.0.1
code:js
https://gyazo.com/cb36864ae9469a053627c59b5a3059f7
原理
2021-08-25
export構文があったときのみiifeにする、みたいなことをしたいのだが、難しそうだな……
exportがあった場合のことは考えないことにしよう。
動作確認用コード
top-level awaitを書ける
code:js
const res = await fetch("/api/projects/shokai");
alert(JSON.stringify(await res.json(), null, 2));
TSでかける
ただし型チェックはされないようだ
JSの構文エラーだけ見てくれる
code:ts
const test: Value = {title:"Hello",hasIcon:false;};
alert(JSON.stringify(test));
code:ts
type Value = {
title: string,
hasIcon: boolean;
};
const test: Value = {title:"Hello",hasIcon:false};
alert(JSON.stringify(test));
code:ts
type Value = {
titleLc: string;
hasIcon: boolean;
};
alert(JSON.stringify(
scrapbox.Project.pages.map((page: Value) => ({title: page.title})),
null,
2
));
JSXも書ける
おっと、生のテキストとして流し込んでいるから、相対URLを使えないのか。
絶対URLでimportしないとbundleできない
JSX pragmaは不要
GitHub版では必要
bundle.tsで指定してある
code:tsx
/** @jsx h */
const App = () => (
<div style={{
position: "fixed",
top: 0,
left: 0,
margin: "10vh 10vw",
borderColor: "lightgreen",
borderRadius: "4px",
color: "var(--page-text-color, gray)",
}}>
{this is /${scrapbox.Project.name}/${scrapbox.Page.title}}
</div>
);
const div = document.createElement("div");
document.getElementById("editor").append(div);
render(<App />, div);
dynamic importはどうだ？
https://gyazo.com/37cc11769e50eecfc79693ed2d50522d
code:ts
console.log(module);
TS/JS以外のコードブロックには何もしない
code:sh
code:md
# markdownです
CSPに引っかかるものは実行できない
code:ts
code:script.ts
/// <reference no-default-lib="true"/>
/// <reference lib="esnext"/>
/// <reference lib="dom"/>
import { getCodeFiles } from "./codeFile.ts";
import { bundle } from "./bundler.ts";
import {
eventName,
Scrapbox,
declare const scrapbox: Scrapbox;
const callback = () => {
const files = getCodeFiles();
// ボタンを全部リセットする
div.remove()
);
files.forEach((file) => {
// TS/JS以外は無視
if (
file.lang.toLowerCase(),
)
) {
return;
}
file.startIds.forEach((id) => {
const line = document.getElementById(L${id});
line?.insertBefore(
createButton({
onClick: async ({ target }) => {
(target as HTMLDivElement).style.color = "red";
try {
const code = await bundle(file.lines.join("\n"));
console.log("execute:", code);
Function((async()=>{${code}})())();
} catch (e) {
console.error(e);
} finally {
(target as HTMLDivElement).style.removeProperty("color");
}
},
}),
line?.firstElementChild,
);
});
});
};
callback();
scrapbox.addListener("lines:changed" as eventName, callback);
function createButton(props: { onClick: (event: MouseEvent) => void }) {
const div = document.createElement("div");
div.style.position = "absolute";
div.style.left = "-1em";
div.style.zIndex = "900";
div.textContent = "▶";
div.dataset.id = "jupyter-button";
div.addEventListener("click", props.onClick);
return div;
}
code:bundler.ts
await initialize({
});
export async function bundle(contents: string) {
const { outputFiles } = await build({
stdin: {
contents,
loader: "tsx",
},
format: "esm",
bundle: true,
minify: true,
jsxFactory: "h",
jsxFragment: "Fragment",
charset: "utf8",
write: false,
});
return outputFiles0.text; }
code:codeFile.ts
type File = {
filename?: string;
lang: string;
/** コードブロックの開始行のid */ startIds: string[];
lines: string[];
};
declare const scrapbox: Scrapbox;
export function getCodeFiles() {
const codeBlocks =
scrapbox.Page.lines?.flatMap((line) => "codeBlock" in line ? line : []) ?? [];
return codeBlocks.reduce((acc: File[], { codeBlock, text, id }) => {
const sameFileIndex = acc.findIndex(({ filename }) =>
filename !== undefined && filename === codeBlock.filename
);
// code blockの先頭かつ新しいコードブロックのときのみ新しいfileを追加する
if (codeBlock.start && sameFileIndex < 0) {
return [...acc, {
filename: codeBlock.filename,
lang: codeBlock.lang,
lines: [] as string[],
}];
}
if (codeBlock.start) {
acc.at(sameFileIndex)?.startIds?.push?.(id);
} else {
// 既存のコードブロックもしくは末尾のコードブロックに追記する
acc.at(sameFileIndex)?.lines?.push?.(text);
}
return acc;
}, []);
}
build
code:sh
code:script.js
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