fasttext-js


Node.js interface for fastText

$3

We can install fasttext-js locally by running:
``bash
npm install --save fasttext-js
`
or
`bash
yarn add fasttext-js
`

$3

`js
import { predictAsync, trainAsync } from 'fasttext-js';

const dataPath = './inbound.txt';
/* inbound.txt content
Opt in __label__N
Opt out __label_Y
Hello __label__N
...
*/
const modelPath = './model.bin';

// Train supervised text classifiers
trainAsync(dataPath, modelPath)
.then(() => {
const messages = [
'Opt in',
'Opt out'
];

// Obtain the most likely label for an array of of sentences with confidence rate
return predictAsync(modelPath, messages);
})
.then(({ predictions }) => {
console.log(predictions);
/*
"predictions": [
{
"label": "N",
"confidence": 0.986328
},
{
"label": "Y",
"confidence": 0.693359
}
]
*/
})
.catch((err) => {
console.log(err);
});
`

$3


Train supervised text classifiers with txt file at dataPath and store model to modelPath.
`js
trainAsync(dataPath, modelPath) // > Promise
`
Obtain the most likely label for an array of of sentences with confidence rate using model at modelPath.
`js
predictAsync(modelPath, sentences) // > Promise
``