125 lines
3.0 KiB
JavaScript
125 lines
3.0 KiB
JavaScript
const {MessageFlags} = require("@projectdysnomia/dysnomia").Constants;
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const events = require("../lib/events.js");
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const {hasFlag} = require("../lib/guildSettings.js");
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const REGEX_GITHUB =
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/(?:\s|^)https?:\/\/(www\.)?github\.com\/.+?\/.+?\/blob\/([a-zA-Z0-9-_.#/]*)/g;
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const REGEX_GITLAB =
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/(?:\s|^)https?:\/\/.+?\/.+?\/.+?\/-\/blob\/([a-zA-Z0-9-_.#/]*)/g;
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const REGEX_GITEA =
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/(?:\s|^)https?:\/\/.+?\/.+?\/.+?\/src\/branch\/([a-zA-Z0-9-_.#/]*)/g;
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function unindent(str) {
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str = str.replace(/\t/g, " ");
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const minIndent =
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str
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.match(/^ *(?=\S)/gm)
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?.reduce((prev, curr) => Math.min(prev, curr.length), Infinity) ?? 0;
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if (!minIndent) return str;
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return str.replace(new RegExp(`^ {${minIndent}}`, "gm"), "");
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}
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async function processFile(link) {
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const file = await fetch(link).then((res) => res.text());
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const lines = file.replace(/\r/g, "").split("\n");
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const fileName = link.substring(
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link.lastIndexOf("/") + 1,
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link.indexOf("#") == -1 ? link.length : link.indexOf("#")
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);
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const fileType =
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fileName.indexOf(".") == -1
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? ""
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: fileName.substring(fileName.indexOf(".") + 1);
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const lineStr = link.match(/#L\d+(-L?\d+)?/)?.[0];
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let startLine, endLine;
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let entireFile = false;
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if (lineStr) {
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const [start, end] = lineStr.match(/\d+/g);
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if (!end) {
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startLine = endLine = start;
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} else {
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startLine = start;
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endLine = end;
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}
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} else {
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entireFile = true;
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startLine = 1;
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endLine = lines.length;
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}
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const whichLines = entireFile
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? ""
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: startLine == endLine
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? "Line " + startLine
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: "Lines " + startLine + "-" + endLine;
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startLine--;
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endLine--;
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const targetLines = (
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entireFile ? lines : lines.slice(startLine, endLine + 1)
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).join("\n");
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return (
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"**" +
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fileName +
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": **" +
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whichLines +
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"\n```" +
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fileType +
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"\n" +
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unindent(targetLines) +
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"\n```\n"
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);
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}
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events.add("messageCreate", "codePreviews", async function (msg) {
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if (msg.author.id == hf.bot.user.id) return;
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if (!msg.guildID) return;
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if (!(await hasFlag(msg.guildID, "codePreviews"))) return;
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let out = "";
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const githubLinks = msg.content.match(REGEX_GITHUB);
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const gitlabLinks = msg.content.match(REGEX_GITLAB);
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const giteaLinks = msg.content.match(REGEX_GITEA);
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if (githubLinks?.length) {
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for (const link of githubLinks) {
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out += await processFile(link.replace("/blob/", "/raw/"));
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}
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}
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if (gitlabLinks?.length) {
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for (const link of gitlabLinks) {
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out += await processFile(link.replace("/blob/", "/raw/"));
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}
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}
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if (giteaLinks?.length) {
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for (const link of giteaLinks) {
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out += await processFile(link.replace("/src/", "/raw/"));
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}
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}
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if (out.length > 2000) return;
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if (out !== "") {
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await msg.edit({flags: MessageFlags.SUPPRESS_EMBEDS}).catch(() => {});
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await msg.channel.createMessage({
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content: out,
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allowedMentions: {
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repliedUser: false,
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},
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messageReference: {
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messageID: msg.id,
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},
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});
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}
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});
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