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Patcher: More useful errors with code diffs (#177) 

* Patcher: More useful errors with code diffs

* Nicer log formatting

* PluginCards: ellipsises
This commit is contained in:
Ven 2022-10-30 02:58:11 +01:00 committed by GitHub
parent 739b1e47d4
commit 3af9a14a0e
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GPG Key ID: 4AEE18F83AFDEB23
8 changed files with 102 additions and 20 deletions
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2
package.json
View File

@ -30,9 +30,11 @@
},
"dependencies": {
"console-menu": "^0.1.0",
"diff": "^5.1.0",
"fflate": "^0.7.4"
},
"devDependencies": {
"@types/diff": "^5.0.2",
"@types/node": "^18.7.13",
"@types/react": "^18.0.17",
"@types/yazl": "^2.4.2",

13
pnpm-lock.yaml
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@ -1,11 +1,13 @@
lockfileVersion: 5.4
specifiers:
'@types/diff': ^5.0.2
'@types/node': ^18.7.13
'@types/react': ^18.0.17
'@types/yazl': ^2.4.2
'@typescript-eslint/parser': ^5.39.0
console-menu: ^0.1.0
diff: ^5.1.0
discord-types: ^1.3.26
esbuild: ^0.15.5
eslint: ^8.24.0
@ -19,9 +21,11 @@ specifiers:
dependencies:
console-menu: 0.1.0
diff: 5.1.0
fflate: 0.7.4
devDependencies:
'@types/diff': 5.0.2
'@types/node': 18.7.13
'@types/react': 18.0.17
'@types/yazl': 2.4.2
@ -109,6 +113,10 @@ packages:
fastq: 1.13.0
dev: true
/@types/diff/5.0.2:
resolution: {integrity: sha512-uw8eYMIReOwstQ0QKF0sICefSy8cNO/v7gOTiIy9SbwuHyEecJUm7qlgueOO5S1udZ5I/irVydHVwMchgzbKTg==}
dev: true
/@types/node/18.7.13:
resolution: {integrity: sha512-46yIhxSe5xEaJZXWdIBP7GU4HDTG8/eo0qd9atdiL+lFpA03y8KS+lkTN834TWJj5767GbWv4n/P6efyTFt1Dw==}
dev: true
@ -333,6 +341,11 @@ packages:
resolution: {integrity: sha512-oIPzksmTg4/MriiaYGO+okXDT7ztn/w3Eptv/+gSIdMdKsJo0u4CfYNFJPy+4SKMuCqGw2wxnA+URMg3t8a/bQ==}
dev: true
/diff/5.1.0:
resolution: {integrity: sha512-D+mk+qE8VC/PAUrlAU34N+VfXev0ghe5ywmpqrawphmVZc1bEfn56uo9qpyGp1p4xpzOHkSW4ztBd6L7Xx4ACw==}
engines: {node: '>=0.3.1'}
dev: false
/dir-glob/3.0.1:
resolution: {integrity: sha512-WkrWp9GR4KXfKGYzOLmTuGVi1UWFfws377n9cc55/tb6DuqyF6pcQ5AbiHEshaDpY9v6oaSr2XCDidGmMwdzIA==}
engines: {node: '>=8'}

9
scripts/build/build.mjs
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@ -19,10 +19,11 @@
import esbuild from "esbuild";
import { commonOpts, gitHash, globPlugins, isStandalone } from "./common.mjs";
import { commonOpts, gitHash, globPlugins, isStandalone, watch } from "./common.mjs";
const defines = {
IS_STANDALONE: isStandalone
IS_STANDALONE: isStandalone,
IS_DEV: JSON.stringify(watch)
};
if (defines.IS_STANDALONE === "false")
// If this is a local build (not standalone), optimise
@ -81,8 +82,8 @@ await Promise.all([
...commonOpts.plugins
],
define: {
IS_WEB: "false",
IS_STANDALONE: isStandalone
...defines,
IS_WEB: false
}
}),
]).catch(err => {

5
scripts/build/buildWeb.mjs
View File

@ -26,7 +26,7 @@ import { join } from "path";
// wtf is this assert syntax
import PackageJSON from "../../package.json" assert { type: "json" };
import { commonOpts, fileIncludePlugin, gitHashPlugin, gitRemotePlugin, globPlugins } from "./common.mjs";
import { commonOpts, fileIncludePlugin, gitHashPlugin, gitRemotePlugin, globPlugins, watch } from "./common.mjs";
/**
* @type {esbuild.BuildOptions}
@ -46,7 +46,8 @@ const commonOptions = {
target: ["esnext"],
define: {
IS_WEB: "true",
IS_STANDALONE: "true"
IS_STANDALONE: "true",
IS_DEV: JSON.stringify(watch)
}
};

14
src/components/PluginSettings/index.tsx
View File

@ -145,7 +145,19 @@ function PluginCard({ plugin, disabled, onRestartNeeded, onMouseEnter, onMouseLe
onChange={toggleEnabled}
disabled={disabled}
value={isEnabled()}
note={<Text variant="text-md/normal" style={{ height: 40, overflow: "hidden" }}>{plugin.description}</Text>}
note={<Text variant="text-md/normal" style={{
height: 40,
overflow: "hidden",
// mfw css is so bad you need whatever this is to get multi line overflow ellipsis to work
textOverflow: "ellipsis",
display: "-webkit-box", // firefox users will cope (it doesn't support it)
WebkitLineClamp: 2,
lineClamp: 2,
WebkitBoxOrient: "vertical",
boxOrient: "vertical"
}}>
{plugin.description}
</Text>}
hideBorder={true}
>
<Flex style={{ marginTop: "auto", width: "100%", height: "100%", alignItems: "center" }}>

1
src/globals.d.ts vendored
View File

@ -32,6 +32,7 @@ declare global {
* replace: `${IS_WEB}?foo:bar`
*/
export var IS_WEB: boolean;
export var IS_DEV: boolean;
export var IS_STANDALONE: boolean;
export var VencordNative: typeof import("./VencordNative").default;

20
src/utils/logger.ts
View File

@ -17,11 +17,23 @@
*/
export default class Logger {
/**
* Returns the console format args for a title with the specified background colour and black text
* @param color Background colour
* @param title Text
* @returns Array. Destructure this into {@link Logger}.errorCustomFmt or console.log
*
* @example logger.errorCustomFmt(...Logger.makeTitleElements("white", "Hello"), "World");
*/
static makeTitle(color: string, title: string): [string, ...string[]] {
return ["%c %c %s ", "", `background: ${color}; color: black; font-weight: bold; border-radius: 5px;`, title];
}
constructor(public name: string, public color: string) { }
private _log(level: "log" | "error" | "warn" | "info" | "debug", levelColor: string, args: any[]) {
private _log(level: "log" | "error" | "warn" | "info" | "debug", levelColor: string, args: any[], customFmt = "") {
console[level](
`%c Vencord %c %c ${this.name} `,
`%c Vencord %c %c ${this.name} ${customFmt}`,
`background: ${levelColor}; color: black; font-weight: bold; border-radius: 5px;`,
"",
`background: ${this.color}; color: black; font-weight: bold; border-radius: 5px;`
@ -41,6 +53,10 @@ export default class Logger {
this._log("error", "#e78284", args);
}
public errorCustomFmt(fmt: string, ...args: any[]) {
this._log("error", "#e78284", args, fmt);
}
public warn(...args: any[]) {
this._log("warn", "#e5c890", args);
}

58
src/webpack/patchWebpack.ts
View File

@ -41,7 +41,7 @@ Object.defineProperty(window, WEBPACK_CHUNK, {
});
function patchPush() {
function handlePush(chunk) {
function handlePush(chunk: any) {
try {
const modules = chunk[1];
const { subscriptions, listeners } = Vencord.Webpack;
@ -56,7 +56,7 @@ function patchPush() {
// Additionally, `[actual newline]` is one less char than "\n", so if Discord
// ever targets newer browsers, the minifier could potentially use this trick and
// cause issues.
let code = mod.toString().replaceAll("\n", "");
let code: string = mod.toString().replaceAll("\n", "");
const originalMod = mod;
const patchedBy = new Set();
@ -90,6 +90,7 @@ function patchPush() {
logger.error("Error in webpack listener", err);
}
}
for (const [filter, callback] of subscriptions) {
try {
if (filter(exports)) {
@ -113,45 +114,80 @@ function patchPush() {
}
}
};
modules[id].toString = () => mod.toString();
modules[id].original = originalMod;
for (let i = 0; i < patches.length; i++) {
const patch = patches[i];
if (patch.predicate && !patch.predicate()) continue;
if (code.includes(patch.find)) {
patchedBy.add(patch.plugin);
// @ts-ignore we change all patch.replacement to array in plugins/index
for (const replacement of patch.replacement) {
const lastMod = mod;
const lastCode = code;
try {
const newCode = code.replace(replacement.match, replacement.replace);
if (newCode === code) {
logger.warn(`Patch by ${patch.plugin} had no effect: ${replacement.match}`);
logger.debug("Function Source:\n", code);
logger.warn(`Patch by ${patch.plugin} had no effect (Module id is ${id}): ${replacement.match}`);
if (IS_DEV) {
logger.debug("Function Source:\n", code);
}
} else {
code = newCode;
mod = (0, eval)(`// Webpack Module ${id} - Patched by ${[...patchedBy].join(", ")}\n${newCode}\n//# sourceURL=WebpackModule${id}`);
}
} catch (err) {
// TODO - More meaningful errors. This probably means moving away from string.replace
// in favour of manual matching. Then cut out the context and log some sort of
// diff
logger.error("Failed to apply patch of", patch.plugin, err);
logger.debug("Original Source\n", lastCode);
logger.debug("Patched Source\n", code);
logger.error(`Failed to apply patch ${replacement.match} of ${patch.plugin} to ${id}:\n`, err);
if (IS_DEV) {
const changeSize = code.length - lastCode.length;
const match = lastCode.match(replacement.match)!;
// Use 200 surrounding characters of context
const start = Math.max(0, match.index! - 200);
const end = Math.min(lastCode.length, match.index! + match[0].length + 200);
// (changeSize may be negative)
const endPatched = end + changeSize;
const context = lastCode.slice(start, end);
const patchedContext = code.slice(start, endPatched);
// inline require to avoid including it in !IS_DEV builds
const diff = (require("diff") as typeof import("diff")).diffWordsWithSpace(context, patchedContext);
let fmt = "%c %s ";
const elements = [] as string[];
for (const d of diff) {
const color = d.removed
? "red"
: d.added
? "lime"
: "grey";
fmt += "%c%s";
elements.push("color:" + color, d.value);
}
logger.errorCustomFmt(...Logger.makeTitle("white", "Before"), context);
logger.errorCustomFmt(...Logger.makeTitle("white", "After"), context);
const [titleFmt, ...titleElements] = Logger.makeTitle("white", "Diff");
logger.errorCustomFmt(titleFmt + fmt, ...titleElements, ...elements);
}
code = lastCode;
mod = lastMod;
patchedBy.delete(patch.plugin);
}
}
if (!patch.all) patches.splice(i--, 1);
}
}
}
} catch (err) {
logger.error("oopsie", err);
logger.error("Error in handlePush", err);
}
return handlePush.original.call(window[WEBPACK_CHUNK], chunk);