piscisaureus’s gists

piscisaureus / main.jsx

Last active June 6, 2021 04:56

	import "./mod_a.js";
	await 0;
	import "./mod_b.js";
	const React = {
	createElement(...args) { console.log(this, ...args); return new String("ReactElement"); }
	};
	const foo = (...args) => { console.log(this, ...args); return "FooEl"; };
	console.log(<foo>a ${111} {222} $c</foo>);
	console.log("bar");

piscisaureus / wtfwin.webm

Last active June 6, 2021 04:56

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piscisaureus / build.sh

Last active June 25, 2021 02:12

deno icons

	#!/bin/sh

	# This script generates multi-size .ico files from the highly stylized "simple"
	# Deno logos, designed by HashRock.

	# The complication stems from the fact the the dimensions of the original .png
	# files is 252x252 pixels. Naively rescaling these images to 256x256 or any
	# other power of 2 produces ugly artifacts.

	# Note that the output of the black-and-white logo transformation isn't

piscisaureus / import-redirect.js

Last active June 10, 2022 23:20

	const resources = {
	"/": file("text/html")`
	<!DOCTYPE html>
	<html>
	<head>
	<meta charset="utf-8" />
	<script type="module" src="main.js"></script>
	</head>
	<body>
	<p>Open developer tools. There will be nothing to see here.</p>

piscisaureus / v8_callbacks_special_cases.txt

Created August 25, 2020 08:24

	// Capture - remove by function pointer and data

	void AddGCPrologueCallback(GCCallbackWithData callback, void* data = nullptr, GCType gc_type_filter = kGCTypeAll);
	void RemoveGCPrologueCallback(GCCallbackWithData, void* data = nullptr);

	void AddGCEpilogueCallback(GCCallbackWithData callback, void* data = nullptr, GCType gc_type_filter = kGCTypeAll);
	void RemoveGCEpilogueCallback(GCCallbackWithData callback, void* data = nullptr);

	void AddMicrotasksCompletedCallback(MicrotasksCompletedCallbackWithData callback, void* data = nullptr);
	void RemoveMicrotasksCompletedCallback(MicrotasksCompletedCallbackWithData callback, void* data = nullptr) = 0;

piscisaureus / stack_frames_by_size.txt

Last active May 16, 2020 23:51

	First number is the size (in bytes) of the stack frame. The largest frames are on top.

	+ 60480 0x000000B1E05AD690 frame #77: 0x00007ff6b6e7fd44 deno.exe`union core::result::Result<swc_ecma_ast::module::ModuleItem, swc_common::errors::diagnostic_builder::DiagnosticBuilder> swc_ecma_parser::parser::Parser<swc_ecma_parser::parser::input::Capturing<swc_ecma_parser::lexer::Lexer<swc_common::input::SourceFileInput>>>::parse_stmt_like<swc_ecma_parser::parser::input::Capturing<swc_ecma_parser::lexer::Lexer<swc_common::input::SourceFileInput>>,swc_ecma_ast::module::ModuleItem>(self=0x000000b1e05b00d0, include_decl=true, top_level=true) at stmt.rs:82
	+ 60480 0x000000B1E055F110 frame #48: 0x00007ff6b6e7f784 deno.exe`union core::result::Result<swc_ecma_ast::stmt::Stmt, swc_common::errors::diagnostic_builder::DiagnosticBuilder> swc_ecma_parser::parser::Parser<swc_ecma_parser::parser::input::Capturing<swc_ecma_parser::lexer::Lexer<swc_common::input::SourceFileInput>>>::parse_stmt_like<swc_ecma_parser::parser::input:

piscisaureus / gist:748866df4ac001d631d5f16d5260dbae

Created January 25, 2020 17:00

	D:\deno2\tests>..\target\debug\deno -A --reload main.js
	Compile file:///D:/deno2/tests/subdir/mod2.ts
	Compile file:///D:/deno2/tests/subdir/mismatch_ext.ts
	Compile file:///D:/deno2/tests/subdir/mod1.ts
	Download https://raw.githubusercontent.com/denoland/deno/v0.0.1/package.json
	error: Uncaught Error: An error
	► file:///D:/deno2/tests/subdir/throws.js:5:7

	5 throw new Error("An error");
	^

piscisaureus / import.js

Created January 25, 2020 16:38

	async function try_import(url) {
	let status;
	try {
	await import(url);
	status = "OK";
	} catch (err) {
	status = err.name;
	}
	status = status.padEnd(12);
	return status + url;

piscisaureus / gist:7ca55b153a1b3f8085c6ae49c4e6c837

Last active January 22, 2020 22:20

	So here's the things to consider:
	* Do not preallocate a read buffer per socket.
	Either use polling or use a shared buffer pool.
	* Avoid statefulnews, e.g:
	- In windows, you can't use multiple completion ports with a handle.
	- On unix, a socket is either in blocking or non-blocking mode
	This creates problems when you want to share a handle with other processes
	or between threads. For example, you might want to switch stdout to
	non-blocking, but if stdout was inherited and shared with the parent
	process, the parent process might not expect this and crash or malfunction.

piscisaureus / op_dispatcher.rs

Created August 5, 2019 23:45

	use std::collections::HashMap;
	use std::sync::Mutex;

	#[macro_use]
	extern crate lazy_static;

	struct CoreOp {} // Placeholder.
	struct FlatBuffer {} // Placeholder.
	struct PinnedBuf {} // Placeholder.

Bert Belder piscisaureus