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A grammar describes the syntax of a programming language, and might be defined in Backus-Naur form (BNF). A lexer performs lexical analysis, turning text into tokens. A parser takes tokens and builds a data structure like an abstract syntax tree (AST). The parser is concerned with context: does the sequence of tokens fit the grammar? A compiler is a combined lexer and parser, built for a specific grammar.

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jonschlinkert / remarkable

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Star 5.4k

Markdown parser, done right. Commonmark support, extensions, syntax plugins, high speed - all in one. Gulp and metalsmith plugins available. Used by Facebook, Docusaurus and many others! Use https://github.com/breakdance/breakdance for HTML-to-markdown conversion. Use https://github.com/jonschlinkert/markdown-toc to generate a table of contents.

nodejs javascript syntax-highlighting markdown gfm parser node parse markdown-parser commonmark compile md markdown-it jonschlinkert docusaurus
  • Updated Feb 20, 2022
  • JavaScript

jonschlinkert / gray-matter

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Star 2.6k

Smarter YAML front matter parser, used by metalsmith, Gatsby, Netlify, Assemble, mapbox-gl, phenomic, vuejs vitepress, TinaCMS, Shopify Polaris, Ant Design, Astro, hashicorp, garden, slidev, saber, sourcegraph, and many others. Simple to use, and battle tested. Parses YAML by default but can also parse JSON Front Matter, Coffee Front Matter, TOML Front Matter, and has support for custom parsers. Please follow gray-matter's author: https://github.com/jonschlinkert

nodejs javascript config markdown matter yaml data node parse gatsby metalsmith mapbox netlify frontmatter assemble phenomic front-matter jonschlinkert front-matter-parsers
  • Updated Jun 30, 2022
  • JavaScript

angularsen / UnitsNet

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asc-community / AngouriMath

Star 556
Open

Recognize patterns for arcsin

WhiteBlackGoose
WhiteBlackGoose commented Jun 22, 2022

The package I want to suggest the idea to: AngouriMath

arcsin(sqrt(2) / 2)

should be recognized to be pi / 4

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Proposal Accepted up-for-grabs <hard> up-for-grabs
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skrape.it

skrapeit / skrape.it

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Star 525

A Kotlin-based testing/scraping/parsing library providing the ability to analyze and extract data from HTML (server & client-side rendered). It places particular emphasis on ease of use and a high level of readability by providing an intuitive DSL. It aims to be a testing lib, but can also be used to scrape websites in a convenient fashion.

kotlin testing crawler scraper parse dom integration-testing test-automation jsoup html-parser kotlin-dsl hacktoberfest system-testing skrape
  • Updated May 7, 2022
  • Kotlin
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