oneClass.js

'use strict';

function oneClass(SVM) {
  let svm = new SVM({
    kernel: SVM.KERNEL_TYPES.RBF,
    type: SVM.SVM_TYPES.ONE_CLASS,
    gamma: 1,
    cost: 1,
    nu: 0.1
  });
  const features = [[0, 0], [1, 1], [1, 0], [0, 1]];
  const toPredict = [[0.5, 0.5], [1.5, 1]];
  const expected = [1, -1];
  const labels = [0, 0, 0, 0];
  svm.train(features, labels);
  for (let i = 0; i < toPredict.length; i++) {
    const pred = svm.predictOne(toPredict[i]);
    console.log(`pred: ${pred}, expected: ${expected[i]}`);
  }
}

async function execWasm() {
  console.log('wasm');
  let SVM;
  try {
    SVM = await require('../wasm');
  } catch (e) {
    console.log(e);
  }
  oneClass(SVM);
}

try {
  execWasm(); // Asynchronous
} catch (e) {
  console.log('failed');
  console.log(e);
}