input-format/modules/edit.test.js

Formatting user's text input on-the-fly

import { expect } from 'chai';
import edit from './edit.js';
describe("edit", function () {
  it("should edit phone numbers", function () {
    expect(edit('88005553535', 0)).to.deep.equal({
      value: '88005553535',
      caret: 0
    });
    expect(edit('88005553535', 1)).to.deep.equal({
      value: '88005553535',
      caret: 1
    });
    expect(edit('88005553535', 4, 'Delete')).to.deep.equal({
      value: '8800553535',
      caret: 4
    });
    expect(edit('88005553535', 4, 'Backspace')).to.deep.equal({
      value: '8805553535',
      caret: 3
    }); // No more lefthand characters to erase

    expect(edit('88005553535', 0, 'Backspace')).to.deep.equal({
      value: '88005553535',
      caret: 0
    });
  });
});
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