80 lines
1.8 KiB
TypeScript
80 lines
1.8 KiB
TypeScript
import path from "path";
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import JSZip, { JSZipObject } from "jszip";
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type ItemType = "collection" | "document" | "attachment";
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export type Item = {
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path: string;
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dir: string;
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name: string;
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depth: number;
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metadata: Record<string, any>;
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type: ItemType;
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item: JSZipObject;
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};
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export async function parseOutlineExport(
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input: File | Buffer
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): Promise<Item[]> {
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const zip = await JSZip.loadAsync(input);
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// this is so we can use async / await a little easier
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const items: Item[] = [];
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zip.forEach(async function (rawPath, item) {
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const itemPath = rawPath.replace(/\/$/, "");
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const dir = path.dirname(itemPath);
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const name = path.basename(item.name);
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const depth = itemPath.split("/").length - 1;
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// known skippable items
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if (itemPath.startsWith("__MACOSX") || itemPath.endsWith(".DS_Store")) {
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return;
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}
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// attempt to parse extra metadata from zip comment
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let metadata = {};
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try {
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metadata = item.comment ? JSON.parse(item.comment) : {};
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} catch (err) {
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console.log(
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`ZIP comment found for ${item.name}, but could not be parsed as metadata: ${item.comment}`
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);
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}
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if (depth === 0 && !item.dir) {
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throw new Error(
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"Root of zip file must only contain folders representing collections"
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);
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}
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let type: ItemType | undefined;
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if (depth === 0 && item.dir && name) {
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type = "collection";
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}
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if (depth > 0 && !item.dir && item.name.endsWith(".md")) {
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type = "document";
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}
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if (depth > 0 && !item.dir && itemPath.includes("uploads")) {
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type = "attachment";
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}
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if (!type) {
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return;
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}
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items.push({
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path: itemPath,
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dir,
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name,
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depth,
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type,
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metadata,
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item,
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});
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});
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return items;
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}
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