function removeRedundantPoints(points) {
var lastPoint = last(points);
return lazy(last(-1, points))
.consecutive(2)
.reduce( argumentizeReduce(function (r, point, next) {
var prev = last(r);
if (inflects(prev, point, next, lastPoint))
return r.concat([point]);
return r;
}), [first(points)])
.concat([lastPoint]);
}
return strokes.map( function (points) {
var isFirstOrLast = within([first(points), last(points)]);
return lazy(points)
.map( provided( not(isFirstOrLast), to.id,
function (point) {
var ptIndex = findIndex(refPoints, seq(distance(point), λ('/' + cfg.SVG_SIZE), is.lt(1 / 20)));
if (ptIndex === -1) {
return point;
} else {
return refPoints[ptIndex];
}
}
))
.toArray();
});
.reduce( argumentizeReduce(function (r, point, next) {
var prev = last(r);
if (inflects(prev, point, next, lastPoint))
return r.concat([point]);
return r;
}), [first(points)])