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View trace-code.sh
#!/usr/bin/env bash
# check for CHROME_PATH env or just default
cmd=${CHROME_PATH:-$HOME/chromium/src/out/Default/Chromium.app/Contents/MacOS/Chromium}
if [ -z "$1" ]
then
echo "Usage: `basename $0` [url]"
exit 1
fi
View InnerStackProto.diff
< DebugPrint: 0x4738baeff9: [JS_OBJECT_TYPE] in OldSpace
---
> DebugPrint: 0x47a334ac31: [JS_OBJECT_TYPE] in OldSpace
7,15c7,15
< #slice: 0x00479ca7bfc1 <JSFunction n.slice (sfi = 0x47a98760d9)> (const data field 1)
< #sliceInner: 0x00479ca7c001 <JSFunction n.sliceInner (sfi = 0x47a9876131)> (const data field 2)
< #copy: 0x00479ca7c041 <JSFunction n.copy (sfi = 0x47a9876189)> (const data field 3)
< #write: 0x00479ca7c081 <JSFunction n.write (sfi = 0x47a98761e1)> (const data field 4) properties[0]
< #writeJs: 0x00479ca7c0f1 <JSFunction n.writeJs (sfi = 0x47a9876241)> (const data field 5) properties[1]
< #writeRaw: 0x00479ca7c131 <JSFunction n.writeRaw (sfi = 0x47a9876299)> (const data field 6) properties[2]
View canary_mac_crash.js
const { spawnChrome } = require("chrome-debugging-client");
const { sleep } = require("race-cancellation");
const fs = require("fs");
const DEVTOOLS_CATEGORIES = [
"-*",
"devtools.timeline",
"viz",
"benchmark",
"blink",
View util.rs
use serde::de::DeserializeSeed;
use serde::de::Error;
use serde::de::SeqAccess;
use serde::de::Visitor;
use serde::Deserialize;
use serde::Deserializer;
use std::convert::From;
use std::fmt;
use std::fmt::Display;
use std::marker::PhantomData;
View copy.rs
#[derive(Debug, Clone, Copy)]
enum MyRef<'a> {
String(&'a str),
Bytes(&'a [u8]),
}
impl<'a> Into<&'a str> for MyRef<'a> {
fn into(self) -> &'a str {
if let MyRef::String(s) = self {
s
View lifetime.rs
struct Path<'a> {
path: &'a str,
}
impl<'a> Path<'a> {
fn new(path: &str) -> Path {
Path { path }
}
fn query(&self) -> &'a str {
View shallow.rs
#[derive(Debug, Clone)]
struct SomeTuple<'a>(&'a str, &'a [u8]);
fn main() {
let mut owned = String::new();
owned.push_str("Hello");
owned.push_str(" World");
owned.push('!');
let strref: &str = &owned;
View top_40_bundle_source_size_changes.r
#!/usr/bin/env Rscript
app.name = "My App"
# file you gave source-map-explorer
# source-map-explorer 1.0.1/bundle.js --tsv > bundle-1.0.1.tsv
# source-map-explorer 1.5.0/bundle.js --tsv > bundle-1.5.0.tsv
asset.file = "bundle.js"
before.version = "1.0.1"
before.file = "bundle-1.0.1.tsv"
before.description = "1.0.1 (Jun 01)"
View checknestederror.js
/**
* Create error with caused by and formatted stack trace while preserving
* the laziness of the stack trace serialization.
*/
function createErrorWithCausedBy(name, message, causedBy) {
const error = new Error(message);
error.name = name;
if (Error.captureStackTrace) {
// hides createErrorWithCausedBy from the stack
Error.captureStackTrace(error, createErrorWithCausedBy);
View output.log
❯ ./out/x64.optdebug/d8 --allow-natives-syntax teststack.js
DebugPrint: 0x2bf167d0b3f9: [JS_ERROR_TYPE]
- map: 0x2bf153b4a549 <Map(HOLEY_ELEMENTS)> [FastProperties]
- prototype: 0x2bf15ffc62e1 <Object map = 0x2bf153b40fe9>
- elements: 0x2bf156880c21 <FixedArray[0]> [HOLEY_ELEMENTS]
- properties: 0x2bf156880c21 <FixedArray[0]> {
#stack: 0x2bf1946002f9 <AccessorInfo> (const accessor descriptor)
0x2bf156884a71 <Symbol: (stack_trace_symbol)>: 0x2bf167d0b619 <FixedArray[1]> (const data field 0)
}
0x2bf153b4a549: [Map]
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