AST-based pattern checker for JavaScript


ESLint is a tool for identifying and reporting on patterns found in ECMAScript/JavaScript code. In many ways, it is similar to JSLint and JSHint with a few exceptions:

 * ESLint uses Espree for JavaScript parsing
 * ESLint uses an AST to evaluate patterns in code
 * ESLint is completely pluggable,
   every single rule is a plugin and you can add more at runtime

Some uses of ESLint require additional packages:
 * Use of parsers other than the default (Espree) require that parser,
   e.g. node-babel-eslint, node-esprima, or node-esprima-fb.
 * Output format "code-frame" requires node-babel-code-frame.
 * Output format "table" requires node-table and node-pluralize.

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