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doctrine

JSDoc parser

  • 0.3.0
  • Source
  • npm
  • Socket score

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12M
decreased by-80.58%
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What is doctrine?

The doctrine npm package is a JSDoc type expression parser written in JavaScript. It allows developers to parse JSDoc comments and extract useful information and metadata about the code, which can be used for documentation generation, type checking, and other analysis purposes.

What are doctrine's main functionalities?

Parsing JSDoc comments

This feature allows you to parse JSDoc comments to extract information such as descriptions, parameters, and return types. The 'unwrap' option tells doctrine to strip the leading /**, trailing */, and any * that begins a line from the source text.

{"var doctrine = require('doctrine');\nvar ast = doctrine.parse('/**\n * This function adds two numbers together.\n * @param {number} a The first number.\n * @param {number} b The second number.\n * @return {number} The sum of the two numbers.\n */', { unwrap: true });\nconsole.log(ast);"}

Extracting type information

With this feature, you can extract type information from JSDoc comments. It parses the type expression and provides an abstract syntax tree (AST) representing the type information.

{"var doctrine = require('doctrine');\nvar ast = doctrine.parse('/** @type {Array.<string>} */', { unwrap: true });\nconsole.log(ast);"}

Parsing with recoverable errors

This feature allows parsing with recoverable errors, meaning that it will try to parse as much as possible without throwing an error immediately. This is useful for handling incomplete or incorrect JSDoc comments.

{"var doctrine = require('doctrine');\ntry {\n  var ast = doctrine.parse('/** @param {string} name */', { recoverable: true });\n  console.log(ast);\n} catch (error) {\n  console.error('Failed to parse:', error);\n}"}

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Package last updated on 09 Feb 2014

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