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codeFile.ts
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codeFile.ts
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import { parseCodeTitle } from "./codeTitle.ts";
import { BaseLine, encodeTitleURI, parse } from "./deps/scrapbox-rest.ts";
interface File {
path: string;
lang: string;
/** コードブロックの開始行のid */
startIds: string[];
}
export const getCodeFiles = (
project: string,
title: string,
lines: readonly BaseLine[],
): Iterable<File> => {
if (lines.length === 0) return [];
const input = lines.map((line) => line.text).join("\n");
const blocks = parse(input, { hasTitle: true });
/** 分割されたコードブロックを結合するのに使う */
const codes = new Map<string, File>();
/** 現在読んでいる`pack.rows[0]`の行番号 */
let counter = 0;
for (const block of blocks) {
switch (block.type) {
case "title":
case "line": {
counter++;
break;
}
case "table":
counter += block.cells.length + 1;
break;
case "codeBlock": {
const { fileName, lang } = parseCodeTitle(block.fileName);
const prev = codes.get(fileName);
codes.set(
fileName,
{
path: prev?.path ??
`https://scrapbox.io/api/code/${project}/${
encodeTitleURI(title)
}/${encodeTitleURI(fileName)}`,
lang: prev?.lang ?? lang,
startIds: [...(prev?.startIds ?? []), lines[counter].id],
},
);
counter += block.content.split("\n").length + 1;
break;
}
}
}
return codes.values();
};