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VVIBEESHvibeesh.hashnode.devJul 2 · 6 min read

How I map frontend routes to backend API calls with Babel AST

When I started building qa-probe, the first hard problem was not probing endpoints. It was figuring out what endpoints a frontend actually calls in the first place. You would think this is easy. It is

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JLJack Licrossui.hashnode.devJun 22 · 9 min read

Why we rejected the export-and-fork model for visual UI editing

~10 min read · Engineering There are roughly three honest ways a visual editing tool can relate to your codebase. The first is export and fork: you design in the tool, it generates code, you paste it

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SRSukalyan Roysukalyanroy.hashnode.devJun 6 · 12 min read

From Tokens to Trees

We’ve all used so many programming languages over the years. Who makes them? And how are they maintained? Was the Compiler Design class in university a complete waste of time? Let’s find out. This pro

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BWBrandon Wongblog.brandonw3612.comNov 17, 2025 · 9 min read

Controlled Branching Processes: A Case Study in Structured Sampling

Background & Problem Statement Earlier this week, we were developing a random AST sampler for a toy language, which is a small subset of a folklore language, IMP. It has a really simple syntax: syntax AExp ::= Int | Id | AExp "/" AExp ...

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RNRamu Narasingathinkthroo.comOct 17, 2025 · 2 min read

`ultrahtml` library in Nitro codebase.

In this article, we review how Nitro uses ultrahtml package. We will look at: What is ultrahtml library? How is ultrahtml used in Nitro codebase? I study patterns used in an open source project found on Github Trending. For this week, I reviewed...

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APAdam Poulemanosknitli.hashnode.devOct 6, 2025 · 13 min read

Tree-Sitter Grammars Explained: Leveraging Data for Clarity

Clarity Engineering TL;DR: If You're Here Because Tree-sitter's node-types.json Makes No Sense You're not alone. Tree-sitter's terminology is confusing because it evolved from internal implementation details, not developer clarity. The Core Problems...

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RNRamu Narasingathinkthroo.comSep 5, 2025 · 3 min read

What is ESTree?

In this article, we review what is ESTree. We will look at: @types/estree package ESTree dev dependency in Ripple ESTree usage in Ripple I found references to ESTree in Ripple codebase. @types/estree package This package contains type definiti...

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TUTilda Udufofreecodecamp.orgMay 21, 2025 · 10 min read

How JavaScript Lint Rules Work (and Why Abstract Syntax Trees Matter)

Before I started to contribute to eslint-plugin-react, I didn’t think too deeply about the linters I used every day while writing code. Like many developers, I installed them at the start of a project, appreciated the red underlines or auto-fixes, an...

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AAniblog.anirudha.devApr 28, 2025 · 3 min read

Understanding the CPython Compiler

CPython is the reference implementation of Python written in C. When you run a .py file, it goes through several internal steps before your code is actually executed. Overview of the Compilation Process Here’s a simplified overview of what happens wh...

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SSSergey Shishkinserj-aleks.hashnode.devFeb 28, 2025 · 1 min read

tree ...

tree - возвращает структуру данных, определяющую дерево индекса базы данных. sym и cls определяют отношение с необязательным объектом hook. (tree 'sym 'cls ['hook]) -> tree chkTree - проверяет узел дерева базы данных (и рекурсивно все подузлы) на сог...

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#ast

Explore Hashnode

Trending tags this week

How I map frontend routes to backend API calls with Babel AST

Why we rejected the export-and-fork model for visual UI editing

From Tokens to Trees

Controlled Branching Processes: A Case Study in Structured Sampling

`ultrahtml` library in Nitro codebase.

Tree-Sitter Grammars Explained: Leveraging Data for Clarity

What is ESTree?

How JavaScript Lint Rules Work (and Why Abstract Syntax Trees Matter)

Understanding the CPython Compiler

tree ...