retext-pos
Part-of-speech (POS) tagger for retext.
Installation
npm:
npm install retext-pos
Usage
var retext = require('retext');
var inspect = require('unist-util-inspect');
var pos = require('retext-pos');
retext()
.use(pos)
.use(function () {
return transformer;
function transformer(tree) {
console.log(inspect(tree));
}
})
.process('I went to the store, to buy 5.2 gallons of milk.');
Yields:
RootNode[1] (1:1-1:49, 0-48)
└─ ParagraphNode[1] (1:1-1:49, 0-48)
└─ SentenceNode[23] (1:1-1:49, 0-48)
├─ WordNode[1] (1:1-1:2, 0-1) [data={"partOfSpeech":"PRP"}]
│ └─ TextNode: "I" (1:1-1:2, 0-1)
├─ WhiteSpaceNode: " " (1:2-1:3, 1-2)
├─ WordNode[1] (1:3-1:7, 2-6) [data={"partOfSpeech":"VBD"}]
│ └─ TextNode: "went" (1:3-1:7, 2-6)
├─ WhiteSpaceNode: " " (1:7-1:8, 6-7)
├─ WordNode[1] (1:8-1:10, 7-9) [data={"partOfSpeech":"TO"}]
│ └─ TextNode: "to" (1:8-1:10, 7-9)
├─ WhiteSpaceNode: " " (1:10-1:11, 9-10)
├─ WordNode[1] (1:11-1:14, 10-13) [data={"partOfSpeech":"DT"}]
│ └─ TextNode: "the" (1:11-1:14, 10-13)
├─ WhiteSpaceNode: " " (1:14-1:15, 13-14)
├─ WordNode[1] (1:15-1:20, 14-19) [data={"partOfSpeech":"NN"}]
│ └─ TextNode: "store" (1:15-1:20, 14-19)
├─ PunctuationNode: "," (1:20-1:21, 19-20)
├─ WhiteSpaceNode: " " (1:21-1:22, 20-21)
├─ WordNode[1] (1:22-1:24, 21-23) [data={"partOfSpeech":"TO"}]
│ └─ TextNode: "to" (1:22-1:24, 21-23)
├─ WhiteSpaceNode: " " (1:24-1:25, 23-24)
├─ WordNode[1] (1:25-1:28, 24-27) [data={"partOfSpeech":"VB"}]
│ └─ TextNode: "buy" (1:25-1:28, 24-27)
├─ WhiteSpaceNode: " " (1:28-1:29, 27-28)
├─ WordNode[3] (1:29-1:32, 28-31) [data={"partOfSpeech":"CD"}]
│ ├─ TextNode: "5" (1:29-1:30, 28-29)
│ ├─ PunctuationNode: "." (1:30-1:31, 29-30)
│ └─ TextNode: "2" (1:31-1:32, 30-31)
├─ WhiteSpaceNode: " " (1:32-1:33, 31-32)
├─ WordNode[1] (1:33-1:40, 32-39) [data={"partOfSpeech":"NNS"}]
│ └─ TextNode: "gallons" (1:33-1:40, 32-39)
├─ WhiteSpaceNode: " " (1:40-1:41, 39-40)
├─ WordNode[1] (1:41-1:43, 40-42) [data={"partOfSpeech":"IN"}]
│ └─ TextNode: "of" (1:41-1:43, 40-42)
├─ WhiteSpaceNode: " " (1:43-1:44, 42-43)
├─ WordNode[1] (1:44-1:48, 43-47) [data={"partOfSpeech":"NN"}]
│ └─ TextNode: "milk" (1:44-1:48, 43-47)
└─ PunctuationNode: "." (1:48-1:49, 47-48)
API
retext().use(pos)
None, the plugin automatically detects the part-of-speech tag for each
WordNode
(using dariusk/pos-js
), and stores the tags
in node.data.partOfSpeech
.
Contribute
See contribute.md
in retextjs/retext
for ways to get started.
This organisation has a Code of Conduct. By interacting with this
repository, organisation, or community you agree to abide by its terms.
License
MIT © Titus Wormer