grungnet/src/helpers/shared.js

export function omit(obj, keys) {
  let tmp = {};
  for (let [key, value] of Object.entries(obj)) {
    if (keys.includes(key)) {
      continue;
    }
    tmp[key] = value;
  }
  return tmp;
}

export function fromEntries(iterable) {
  if (Object.fromEntries) {
    return Object.fromEntries(iterable);
  }
  return [...iterable].reduce((obj, [key, val]) => {
    obj[key] = val;
    return obj;
  }, {});
}

// Check to see if all tracks are muted
export function isStreamStopped(stream) {
  return stream.getTracks().reduce((a, b) => a && b, { mute: true });
}

export function roundTo(x, to) {
  return Math.round(x / to) * to;
}

export function snapPositionToGrid(position, gridSize) {
  return {
    x: roundTo(position.x, gridSize.x),
    y: roundTo(position.y, gridSize.y),
  };
}