mirror of
https://github.com/streetwriters/notesnook.git
synced 2025-12-23 23:19:40 +01:00
107 lines
3.1 KiB
TypeScript
107 lines
3.1 KiB
TypeScript
/*
|
|
This file is part of the Notesnook project (https://notesnook.com/)
|
|
|
|
Copyright (C) 2023 Streetwriters (Private) Limited
|
|
|
|
This program is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
import { ContentBlock } from "../types";
|
|
import { InternalLinkWithOffset, parseInternalLink } from "./internal-link";
|
|
|
|
const INTERNAL_LINK_REGEX = /(?:\[\[(nn:\/\/note\/.+?)\]\])/gm;
|
|
export function extractInternalLinks(block: ContentBlock) {
|
|
const matches = block.content.matchAll(INTERNAL_LINK_REGEX);
|
|
|
|
const links: InternalLinkWithOffset[] = [];
|
|
for (const match of matches || []) {
|
|
if (!match.index) continue;
|
|
const url = match[1].slice(0, match[1].indexOf("|"));
|
|
const text = match[1].slice(match[1].indexOf("|") + 1);
|
|
const link = parseInternalLink(url);
|
|
if (!link) continue;
|
|
links.push({
|
|
...link,
|
|
start: match.index,
|
|
end: match.index + match[0].length,
|
|
text
|
|
});
|
|
}
|
|
|
|
return links;
|
|
}
|
|
|
|
function normalize(block: ContentBlock, links: InternalLinkWithOffset[]) {
|
|
let diff = 0;
|
|
console.log(links);
|
|
for (const link of links) {
|
|
link.start -= diff;
|
|
link.end -= diff;
|
|
block.content =
|
|
block.content.slice(0, link.start) +
|
|
link.text +
|
|
block.content.slice(link.end);
|
|
diff += link.end - link.start - link.text.length;
|
|
|
|
link.end = link.start + link.text.length;
|
|
}
|
|
return block;
|
|
}
|
|
|
|
export type TextSlice = { text: string; highlighted: boolean };
|
|
export function highlightInternalLinks(
|
|
block: ContentBlock,
|
|
noteId: string
|
|
): [TextSlice, TextSlice, TextSlice][] {
|
|
const links = extractInternalLinks(block);
|
|
normalize(block, links);
|
|
const highlighted: [TextSlice, TextSlice, TextSlice][] = [];
|
|
for (const link of links) {
|
|
const start = block.content.slice(0, link.start);
|
|
const end = block.content.slice(link.end);
|
|
if (link.id !== noteId) continue;
|
|
|
|
highlighted.push([
|
|
{
|
|
text: ellipsize(start, 50, "start"),
|
|
highlighted: false
|
|
},
|
|
{
|
|
highlighted: link.id === noteId,
|
|
text: link.text
|
|
},
|
|
{
|
|
highlighted: false,
|
|
text: ellipsize(end, 50, "end")
|
|
}
|
|
]);
|
|
}
|
|
return highlighted;
|
|
}
|
|
|
|
function ellipsize(text: string, maxLength: number, from: "start" | "end") {
|
|
const needsTruncation = text.length > maxLength;
|
|
const offsets = needsTruncation
|
|
? from === "start"
|
|
? [-maxLength, undefined]
|
|
: [0, maxLength]
|
|
: [0, text.length];
|
|
const truncated = text.slice(offsets[0], offsets[1]);
|
|
return needsTruncation
|
|
? from === "start"
|
|
? "..." + truncated
|
|
: truncated + "..."
|
|
: truncated;
|
|
}
|