Language Tool JS Library Test

app.js

const languagetool = require("languagetool-api");

var params = {
    language: "en-US",
    text: "If i was you, i wouldt do that",
};

languagetool.check(params, function (err, res) {
    if (err) {
        console.log(err);
    } else {
        languagetool.bestSuggestion(res, function (arr) {
            arr.forEach(function (item) {
                console.log(
                    "Best suggestion for " +
                        item.mistake +
                        " is " +
                        item.bestSuggestion
                );
            });
        });
    }
});

// Output:
// Best suggestion for i is I
// Best suggestion for wouldt is would

language-tool-api-output.json

{
  "software": {
    "name": "LanguageTool",
    "version": "6.4.15",
    "buildDate": "2024-02-20 15:07:03 +0100",
    "apiVersion": 1,
    "premium": true,
    "premiumHint": "You might be missing errors only the Premium version can find. Contact us at support<at>languagetoolplus.com.",
    "status": ""
  },
  "warnings": {
    "incompleteResults": false
  },
  "language": {
    "name": "English (US)",
    "code": "en-US",
    "detectedLanguage": {
      "name": "English (US)",
      "code": "en-US",
      "confidence": 1,
      "source": "ngram"
    }
  },
  "matches": [
    {
      "message": "The personal pronoun “I” should be uppercase.",
      "shortMessage": "",
      "replacements": [
        {
          "value": "I"
        }
      ],
      "offset": 3,
      "length": 1,
      "context": {
        "text": "If i was you, i woulnt do that",
        "offset": 3,
        "length": 1
      },
      "sentence": "If i was you, i woulnt do that",
      "type": {
        "typeName": "Other"
      },
      "rule": {
        "id": "I_LOWERCASE",
        "subId": "1",
        "sourceFile": "grammar.xml",
        "description": "i vs. I",
        "issueType": "misspelling",
        "category": {
          "id": "TYPOS",
          "name": "Possible Typo"
        },
        "isPremium": false
      },
      "ignoreForIncompleteSentence": true,
      "contextForSureMatch": -1
    },
    {
      "message": "Possible spelling mistake found.",
      "shortMessage": "Spelling mistake",
      "replacements": [
        {
          "value": "would"
        },
        {
          "value": "Mount"
        },
        {
          "value": "count"
        },
        {
          "value": "mount"
        },
        {
          "value": "wound"
        },
        {
          "value": "wouldst"
        },
        {
          "value": "fount"
        },
        {
          "value": "wont"
        },
        {
          "value": "wouldn"
        },
        {
          "value": "woulds"
        }
      ],
      "offset": 16,
      "length": 6,
      "context": {
        "text": "If i was you, i woulnt do that",
        "offset": 16,
        "length": 6
      },
      "sentence": "If i was you, i woulnt do that",
      "type": {
        "typeName": "UnknownWord"
      },
      "rule": {
        "id": "MORFOLOGIK_RULE_EN_US",
        "description": "Possible spelling mistake",
        "issueType": "misspelling",
        "category": {
          "id": "TYPOS",
          "name": "Possible Typo"
        },
        "isPremium": false
      },
      "ignoreForIncompleteSentence": false,
      "contextForSureMatch": 0
    }
  ],
  "sentenceRanges": [
    [
      0,
      30
    ]
  ],
  "extendedSentenceRanges": [
    {
      "from": 0,
      "to": 30,
      "detectedLanguages": [
        {
          "language": "en",
          "rate": 1
        }
      ]
    }
  ]
}