Babel
A JavaScript transpiler that compiles modern JavaScript syntax into backward-compatible code for older environments. It is widely used in frontend engineering workflows.
Core Facts
The Vercel AI SDK adopts a Monorepo single-repository management model, where the core package ai and various framework adapter packages are released in sync.
In the left-pad incident of 2016, an npm package of only 11 lines of code was withdrawn by its author, causing the build pipelines of mainstream projects such as React and Babel to be disrupted for several hours
Timeline (last 90 days)
Because left-pad was depended on by mainstream toolchains such as Babel, its disappearance caused a large number of builds worldwide to fail within a short time.
AI SDK、Babel、Vue 3 自身、以及 VitePress 都采用 monorepo 结构。
Examples of the fixed version pattern (where all packages share the same version number) include early Babel or Lerna projects.
Because left-pad was indirectly referenced by toolchains such as React and Babel, its removal caused the entire front-end build ecosystem to temporarily grind to a halt.
The Vercel AI SDK adopts a Monorepo single-repository management model, where the core package ai and various framework adapter packages are released in sync.
ESLint's code linting, Babel's code transpilation, and IDEs' syntax highlighting and auto-completion all rely on AST at their core.
All Facts (11)
The Vercel AI SDK adopts a Monorepo single-repository management model, where the core package ai and various framework adapter packages are released in sync.
75%VerifiedIn the left-pad incident of 2016, an npm package of only 11 lines of code was withdrawn by its author, causing the build pipelines of mainstream projects such as React and Babel to be disrupted for several hours
80%UnverifiedPython的ast标准库、JavaScript的Babel、Java的JavaParser等工具都能在毫秒级别完成AST解析
90%UnverifiedSWC是用Rust编写的JavaScript编译器，速度比Babel提升20倍以上
85%UnverifiedSWC编译器由Rust编写，比传统Babel快数十倍
85%UnverifiedBecause left-pad was depended on by mainstream toolchains such as Babel, its disappearance caused a large number of builds worldwide to fail within a short time.
50%UnverifiedAI SDK、Babel、Vue 3 自身、以及 VitePress 都采用 monorepo 结构。
50%UnverifiedExamples of the fixed version pattern (where all packages share the same version number) include early Babel or Lerna projects.
50%UnverifiedBecause left-pad was indirectly referenced by toolchains such as React and Babel, its removal caused the entire front-end build ecosystem to temporarily grind to a halt.
50%UnverifiedESLint's code linting, Babel's code transpilation, and IDEs' syntax highlighting and auto-completion all rely on AST at their core.
50%UnverifiedIn the 2016 left-pad incident, an npm package of only 11 lines of code was unpublished by its author, causing the builds of mainstream projects such as React and Babel to break for several hours, and directly driving npm's registry immutability policy.
60%