Function shrinkage

api/prettydiff-webtool.ts:4112–4184

()

                return false;
            },
            shrinkage = function dom_event_minimize_shrinkage():boolean {
                let width        = body.clientWidth / 10,
                    height       = body.clientHeight / 10,
                    incL         = (((window.innerWidth / 10) - final - 17) - left) / step,
                    incT         = 0,
                    incW         = (width === 17)
                        ? 0
                        : (width > 17)
                            ? ((width - 17) / step)
                            : ((17 - width) / step),
                    incH         = height / step,
                    shrink       = function dom_event_minimize_shrinkage_shrink():boolean {
                        left                = left + incL;
                        top                 = top + incT;
                        width                    = width - incW;
                        height                   = height - incH;
                        body.style.width    = `${width}em`;
                        heading.style.width = `${width}em`;
                        body.style.height   = `${height}em`;
                        box.style.left      = `${left}em`;
                        box.style.top       = `${top}em`;
                        if (width - incW > 16.8) {
                            setTimeout(dom_event_minimize_shrinkage_shrink, 1);
                        } else {
                            box.style.left      = "auto";
                            box.style.top       = "auto";
                            box.style.right     = `${final}em`;
                            data.settings.report[idval].max = false;
                            body.style.display  = "none";
                            heading.getElementsByTagName("button")[0].style.cursor = "pointer";
                            heading.style.margin                                   = "-0.1em 0em -3.2em -0.1em";
                            box.style.zIndex                                            = "2";
                            method
                                .app
                                .options(e);
                            return false;
                        }
                        return true;
                    };
                parentNode = <HTMLElement>box.parentNode;
                incT = (((parentNode.offsetTop / 10) - top) / step);
                buttonMin.innerHTML = "\u2191";
                if (textarea.length === 1) {
                    textarea[0].style.display = "none";
                }
                //if a maximized window is minimized
                if (buttonMax.innerHTML === "\u2191") {
                    if (test.agent.indexOf("macintosh") > 0) {
                        data.settings.report[idval].top    = box.offsetTop;
                        data.settings.report[idval].left   = box.offsetLeft;
                        data.settings.report[idval].height = body.clientHeight - 17;
                        data.settings.report[idval].width  = body.clientWidth - 17;
                    } else {
                        data.settings.report[idval].top    = box.offsetTop;
                        data.settings.report[idval].left   = box.offsetLeft;
                        data.settings.report[idval].height = body.clientHeight;
                        data.settings.report[idval].width  = body.clientWidth;
                    }