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  • License MIT

English natural language parser

Package Exports

  • parse-english

This package does not declare an exports field, so the exports above have been automatically detected and optimized by JSPM instead. If any package subpath is missing, it is recommended to post an issue to the original package (parse-english) to support the "exports" field. If that is not possible, create a JSPM override to customize the exports field for this package.

Readme

parse-english

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English language parser for retext producing nlcst nodes.

Install

npm:

npm install parse-english

Use

var inspect = require('unist-util-inspect')
var English = require('parse-english')

var tree = new English().parse(
  'Mr. Henry Brown: A hapless but friendly City of London worker.'
)

console.log(inspect(tree))

Yields:

RootNode[1] (1:1-1:63, 0-62)
└─ ParagraphNode[1] (1:1-1:63, 0-62)
   └─ SentenceNode[23] (1:1-1:63, 0-62)
      ├─ WordNode[2] (1:1-1:4, 0-3)
      │  ├─ TextNode: "Mr" (1:1-1:3, 0-2)
      │  └─ PunctuationNode: "." (1:3-1:4, 2-3)
      ├─ WhiteSpaceNode: " " (1:4-1:5, 3-4)
      ├─ WordNode[1] (1:5-1:10, 4-9)
      │  └─ TextNode: "Henry" (1:5-1:10, 4-9)
      ├─ WhiteSpaceNode: " " (1:10-1:11, 9-10)
      ├─ WordNode[1] (1:11-1:16, 10-15)
      │  └─ TextNode: "Brown" (1:11-1:16, 10-15)
      ├─ PunctuationNode: ":" (1:16-1:17, 15-16)
      ├─ WhiteSpaceNode: " " (1:17-1:18, 16-17)
      ├─ WordNode[1] (1:18-1:19, 17-18)
      │  └─ TextNode: "A" (1:18-1:19, 17-18)
      ├─ WhiteSpaceNode: " " (1:19-1:20, 18-19)
      ├─ WordNode[1] (1:20-1:27, 19-26)
      │  └─ TextNode: "hapless" (1:20-1:27, 19-26)
      ├─ WhiteSpaceNode: " " (1:27-1:28, 26-27)
      ├─ WordNode[1] (1:28-1:31, 27-30)
      │  └─ TextNode: "but" (1:28-1:31, 27-30)
      ├─ WhiteSpaceNode: " " (1:31-1:32, 30-31)
      ├─ WordNode[1] (1:32-1:40, 31-39)
      │  └─ TextNode: "friendly" (1:32-1:40, 31-39)
      ├─ WhiteSpaceNode: " " (1:40-1:41, 39-40)
      ├─ WordNode[1] (1:41-1:45, 40-44)
      │  └─ TextNode: "City" (1:41-1:45, 40-44)
      ├─ WhiteSpaceNode: " " (1:45-1:46, 44-45)
      ├─ WordNode[1] (1:46-1:48, 45-47)
      │  └─ TextNode: "of" (1:46-1:48, 45-47)
      ├─ WhiteSpaceNode: " " (1:48-1:49, 47-48)
      ├─ WordNode[1] (1:49-1:55, 48-54)
      │  └─ TextNode: "London" (1:49-1:55, 48-54)
      ├─ WhiteSpaceNode: " " (1:55-1:56, 54-55)
      ├─ WordNode[1] (1:56-1:62, 55-61)
      │  └─ TextNode: "worker" (1:56-1:62, 55-61)
      └─ PunctuationNode: "." (1:62-1:63, 61-62)

API

parse-english has the same API as parse-latin.

Algorithm

All of parse-latin is included, and the following support for the English natural language:

  • Unit abbreviations (tsp., tbsp., oz., ft., and more)
  • Time references (sec., min., tues., thu., feb., and more)
  • Business Abbreviations (Inc. and Ltd.)
  • Social titles (Mr., Mmes., Sr., and more)
  • Rank and academic titles (Dr., Rep., Gen., Prof., Pres., and more)
  • Geographical abbreviations (Ave., Blvd., Ft., Hwy., and more)
  • American state abbreviations (Ala., Minn., La., Tex., and more)
  • Canadian province abbreviations (Alta., Qué., Yuk., and more)
  • English county abbreviations (Beds., Leics., Shrops., and more)
  • Common elision (omission of letters) (’n’, ’o, ’em, ’twas, ’80s, and more)

License

MIT © Titus Wormer