dist/famous-flex.js
function ProportionalLayout(context, options) {

        // init
        size = context.size;
        direction = context.direction;
        ratios = options.ratios;
        total = 0;

        // Calculate total sum of ratios
        for (index = 0; index < ratios.length; index++) {
            total += ratios[index];
        }

        // Prepare
        set.size[0] = size[0];
        set.size[1] = size[1];
        set.translate[0] = 0;
        set.translate[1] = 0;

        // Layout renderables
        node = context.next();
        offset = 0;
        index = 0;
        while (node && (index < ratios.length)) {

            // Position renderable
            set.size[direction] = ((size[direction] - offset) / total) * ratios[index];
            set.translate[direction] = offset;
            context.set(node, set);

            // Move to next renderable
            offset += set.size[direction];
            total -= ratios[index];
            index++;
            node = context.next();
        }
    }
function ProportionalLayout(context, options) {

        // init
        size = context.size;
        direction = context.direction;
        ratios = options.ratios;
        total = 0;

        // Calculate total sum of ratios
        for (index = 0; index < ratios.length; index++) {
            total += ratios[index];
        }

        // Prepare
        set.size[0] = size[0];
        set.size[1] = size[1];
        set.translate[0] = 0;
        set.translate[1] = 0;

        // Layout renderables
        node = context.next();
        offset = 0;
        index = 0;
        while (node && (index < ratios.length)) {

            // Position renderable
            set.size[direction] = ((size[direction] - offset) / total) * ratios[index];
            set.translate[direction] = offset;
            context.set(node, set);

            // Move to next renderable
            offset += set.size[direction];
            total -= ratios[index];
            index++;
            node = context.next();
        }
    }
Layout function