188558 2018-08-14 09:52:38 -0700 CSS transition with CSS transform exhibits unintended jitter 2018-08-16 01:42:42 -0700 1 1 1 Unclassified WebKit CSS Safari 11 iPhone / iPad iOS 11 RESOLVED CONFIGURATION CHANGED P2 Normal --- 1 eugene webkit-unassigned dino graouts simon.fraser oldest_to_newest 1449969 0 347085 eugene 2018-08-14 09:52:38 -0700 Created attachment 347085 HTML file for reduced test case Steps to reproduce the problem: 1. Open index.html Page Attached 2.A. Click on "<" or ">" to initiate CSS transition / transform 2.B. Or on Mobile touchmove along the lettered elements to initiate CSS transition / transform What is the expected behavior? The expected behavior is a smooth transition of the lettered elements. What went wrong? The transition occurs but it is not smooth. See video for jitter reproduction. Did this work before? N/A Does this work in other browsers? Yes Video reference: https://drive.google.com/open?id=1XpZ1f7_A6c2jytFJ0rwM4lFAYmHl9Ng4 1450636 1 graouts 2018-08-16 01:41:46 -0700 This doesn't reproduce with the Web Animations flags on, which is a good thing :) This can be verified with a Safari Technology Preview build. 347085 2018-08-14 09:52:38 -0700 2018-08-14 09:52:38 -0700 HTML file for reduced test case index.html text/html 9752 eugene PCFET0NUWVBFIGh0bWw+CjxodG1sPgo8aGVhZD4KICA8bWV0YSBjaGFyc2V0PSJ1dGYtOCI+Cgog IDxtZXRhIG5hbWU9Im1vYmlsZS13ZWItYXBwLWNhcGFibGUiIGNvbnRlbnQ9InllcyI+CiAgPG1l dGEgbmFtZT0iYXBwbGUtbW9iaWxlLXdlYi1hcHAtY2FwYWJsZSIgY29udGVudD0ieWVzIj4KICA8 bWV0YSBuYW1lPSJhcHBsZS1tb2JpbGUtd2ViLWFwcC1zdGF0dXMtYmFyLXN0eWxlIiBjb250ZW50 PSJkZWZhdWx0Ij4KCiAgPG1ldGEgbmFtZT0idmlld3BvcnQiIGNvbnRlbnQ9IndpZHRoPWRldmlj ZS13aWR0aCwgaW5pdGlhbC1zY2FsZT0xLCBtaW5pbWFsLXVpIj4KICA8c2NyaXB0IHNyYz0iaHR0 cHM6Ly91bnBrZy5jb20vdnVlIj48L3NjcmlwdD4KICA8c3R5bGU+CiAgICBib2R5IHsKICAgICAg Zm9udC1zaXplOiA1MHB4OwogICAgICBmb250LXdlaWdodDogNDAwOwogICAgICBsaW5lLWhlaWdo dDogMjAwcHg7CiAgICAgIGNvbG9yOiB3aGl0ZTsKICAgICAgYmFja2dyb3VuZDogYmxhY2s7CiAg ICAgIHdpZHRoOiAxMDAlOwogICAgICBtYXJnaW46IDA7CiAgICAgIG1hcmdpbi10b3A6IDIwcHg7 CiAgICB9CgogICAgZGl2LnBhZ2VzIHsKICAgICAgcGFkZGluZy10b3A6IDA7CiAgICAgIHBhZGRp bmctYm90dG9tOiAwOwogICAgICBwb3NpdGlvbjogcmVsYXRpdmU7CiAgICAgIG92ZXJmbG93OiB2 aXNpYmxlOwogICAgfQoKICAgIGRpdi5wYWdlcyBkaXYuY3Vyc29yIHsKICAgICAgbGVmdDogMDsK ICAgICAgcG9zaXRpb246IHJlbGF0aXZlOwogICAgICBoZWlnaHQ6IDEwMCU7CiAgICAgIHBhZGRp bmc6IDA7CiAgICB9CgogICAgZGl2LnBhZ2VzIC5jdXJzb3I6bm90KC5kcmFnZ2luZykgewogICAg ICAtd2Via2l0LXRyYW5zaXRpb246IGxlZnQgNi42cyBlYXNlOwogICAgICAtbW96LXRyYW5zaXRp b246IGxlZnQgNi42cyBlYXNlOwogICAgICB0cmFuc2l0aW9uOiBsZWZ0IDYuNnMgZWFzZTsKICAg IH0KCiAgICBkaXYuY2Fyb3VzZWwtaXRlbSB7CiAgICAgIGhlaWdodDogMTAwJTsKICAgICAgYmFj a2dyb3VuZC1jb2xvcjogcmVkOwogICAgICBkaXNwbGF5OiBibG9jazsKICAgICAgcG9zaXRpb246 IGFic29sdXRlOwogICAgICBsaXN0LXN0eWxlOiBub25lOwogICAgICBwYWRkaW5nOiAwOwogICAg ICBtYXJnaW46IDA7CiAgICAgIHRvcDogMDsKICAgICAgbGVmdDogMDsKICAgICAgY3Vyc29yOiBw b2ludGVyOwogICAgICAtd2Via2l0LXRyYW5zZm9ybS1vcmlnaW46IDUwJSA1MCU7CiAgICAgIC1t b3otdHJhbnNmb3JtLW9yaWdpbjogNTAlIDUwJTsKICAgICAgLW1zLXRyYW5zZm9ybS1vcmlnaW46 IDUwJSA1MCU7CiAgICAgIC1vLXRyYW5zZm9ybS1vcmlnaW46IDUwJSA1MCU7CiAgICAgIHRyYW5z Zm9ybS1vcmlnaW46IDUwJSA1MCU7CiAgICAgIC13ZWJraXQtdHJhbnNmb3JtLXN0eWxlOiBwcmVz ZXJ2ZS0zZDsKICAgICAgLW1vei10cmFuc2Zvcm0tc3R5bGU6IHByZXNlcnZlLTNkOwogICAgICAt bXMtdHJhbnNmb3JtLXN0eWxlOiBwcmVzZXJ2ZS0zZDsKICAgICAgLW8tdHJhbnNmb3JtLXN0eWxl OiBwcmVzZXJ2ZS0zZDsKICAgICAgdHJhbnNmb3JtLXN0eWxlOiBwcmVzZXJ2ZS0zZDsKICAgICAg LXdlYmtpdC10cmFuc2l0aW9uOiAtd2Via2l0LXRyYW5zZm9ybSAuNXMgY3ViaWMtYmV6aWVyKC4w NzUsLjgyLC4xNjUsMSk7CiAgICAgIC1tb3otdHJhbnNpdGlvbjogLW1vei10cmFuc2Zvcm0gLjVz IGN1YmljLWJlemllciguMDc1LC44MiwuMTY1LDEpOwogICAgICB0cmFuc2l0aW9uOiB0cmFuc2Zv cm0gLjVzIGN1YmljLWJlemllciguMDc1LC44MiwuMTY1LDEpOwogICAgfQoKICAgIGRpdi50aHVt Ym5haWwgewogICAgICBoZWlnaHQ6IDEwMCU7CiAgICAgIGRpc3BsYXk6IGJsb2NrOwogICAgICBw b3NpdGlvbjogcmVsYXRpdmU7CiAgICAgIHdpZHRoOiA5NCU7CiAgICAgIHBhZGRpbmctdG9wOiAw OwogICAgICBwYWRkaW5nLWJvdHRvbTogMDsKICAgICAgbWFyZ2luLWxlZnQ6IDMlOwogICAgICBt YXJnaW4tcmlnaHQ6IDMlOwogICAgICBjb250ZW50OiAiIjsKICAgICAgYm9yZGVyLXJhZGl1czog M3B4OwogICAgICBiYWNrZ3JvdW5kLWNvbG9yOiBibHVlOwogICAgICBjb2xvcjogI2ZmZjsKICAg ICAgdGV4dC1hbGlnbjogY2VudGVyOwogICAgICBsaW5lLWhlaWdodDogMjAwcHg7CiAgICAgIGZv bnQtc2l6ZTogNDhweDsKICAgICAgLXdlYmtpdC10cmFuc2l0aW9uOiBvcGFjaXR5IC41cyBjdWJp Yy1iZXppZXIoLjA3NSwuODIsLjE2NSwxKSxoZWlnaHQgLjVzIGN1YmljLWJlemllciguMDc1LC44 MiwuMTY1LDEpOwogICAgICAtbW96LXRyYW5zaXRpb246IG9wYWNpdHkgLjVzIGN1YmljLWJlemll ciguMDc1LC44MiwuMTY1LDEpLGhlaWdodCAuNXMgY3ViaWMtYmV6aWVyKC4wNzUsLjgyLC4xNjUs MSk7CiAgICAgIHRyYW5zaXRpb246IG9wYWNpdHkgLjVzIGN1YmljLWJlemllciguMDc1LC44Miwu MTY1LDEpLGhlaWdodCAuNXMgY3ViaWMtYmV6aWVyKC4wNzUsLjgyLC4xNjUsMSk7CiAgICAgIGJh Y2tncm91bmQtcG9zaXRpb246IDUwJTsKICAgICAgYmFja2dyb3VuZC1zaXplOiBjb3ZlcjsKICAg ICAgYmFja2dyb3VuZC1yZXBlYXQ6IG5vLXJlcGVhdDsKICAgICAgb3ZlcmZsb3c6IGhpZGRlbjsK ICAgIH0KCiAgICBkaXYubmF2IHsKICAgICAgZGlzcGxheTogYmxvY2s7CiAgICAgIHBvc2l0aW9u OiBhYnNvbHV0ZTsKICAgICAgdG9wOiAtMTJweDsKICAgICAgYm90dG9tOiAtMTJweDsKICAgICAg b3BhY2l0eTogLjc7CiAgICAgIGJvcmRlcjogMCBzb2xpZCAjZmZmOwogICAgICB3aWR0aDogNy41 NSU7CiAgICAgIGNvbnRlbnQ6ICIiOwogICAgICBjdXJzb3I6IHBvaW50ZXI7CiAgICAgIGZvbnQt c2l6ZTogNDhweDsKICAgICAgbGluZS1oZWlnaHQ6IDIwMHB4OwogICAgICB0ZXh0LWFsaWduOiBj ZW50ZXI7CiAgICAgIC13ZWJraXQtdHJhbnNpdGlvbjogb3BhY2l0eSAuNjZzIGVhc2U7CiAgICAg IC1tb3otdHJhbnNpdGlvbjogb3BhY2l0eSAuNjZzIGVhc2U7CiAgICAgIHRyYW5zaXRpb246IG9w YWNpdHkgLjY2cyBlYXNlOwogICAgfQoKICAgIGRpdi5uYXYucHJldiB7CiAgICAgIGxlZnQ6IDA7 CiAgICAgIGJhY2tncm91bmQtY29sb3I6IHJnYmEoMTIsMTAsMjEsLjUpOwogICAgICBiYWNrZ3Jv dW5kLWltYWdlOiAtd2Via2l0LWxpbmVhci1ncmFkaWVudChyaWdodCxyZ2JhKDEyLDEwLDIxLC41 KSwjMGMwYTE1IDEyLjUlKTsKICAgICAgYmFja2dyb3VuZC1pbWFnZTogbGluZWFyLWdyYWRpZW50 KDI3MGRlZyxyZ2JhKDEyLDEwLDIxLC41KSAwLCMwYzBhMTUgMTIuNSUpOwogICAgfQoKICAgIGRp di5uYXYubmV4dCB7CiAgICAgIHJpZ2h0OiAwOwogICAgICBiYWNrZ3JvdW5kLWNvbG9yOiByZ2Jh KDEyLDEwLDIxLC41KTsKICAgICAgYmFja2dyb3VuZC1pbWFnZTogLXdlYmtpdC1saW5lYXItZ3Jh ZGllbnQobGVmdCxyZ2JhKDEyLDEwLDIxLC41KSwjMGMwYTE1IDEyLjUlKTsKICAgICAgYmFja2dy b3VuZC1pbWFnZTogbGluZWFyLWdyYWRpZW50KDkwZGVnLHJnYmEoMTIsMTAsMjEsLjUpIDAsIzBj MGExNSAxMi41JSk7CiAgICB9CiAgPC9zdHlsZT4KPC9oZWFkPgo8Ym9keT4KICA8ZGl2IGlkPSJh cHAiPgogICAgPGRpdiBjbGFzcz0icGFnZXMiIDpzdHlsZT0icGFnZXNTdHlsZSI+CiAgICAgIDxk aXYKICAgICAgICBjbGFzcz0iY3Vyc29yIgogICAgICAgIDpjbGFzcz0iY3Vyc29yQ2xhc3MiCiAg ICAgICAgOnN0eWxlPSJjdXJzb3JTdHlsZSIKICAgICAgICBAdG91Y2hzdGFydD0idG91Y2hzdGFy dCIKICAgICAgICBAdG91Y2htb3ZlPSJ0b3VjaG1vdmUiCiAgICAgICAgQHRvdWNoZW5kPSJ0b3Vj aGVuZCIKICAgICAgICBAdG91Y2hjYW5jZWw9InRvdWNoZW5kIj4KICAgICAgICA8ZGl2CiAgICAg ICAgICB2LWZvcj0iYyBpbiBjb250ZW50IgogICAgICAgICAgOmtleT0iYCR7IGMuaW5kZXggfS0k eyBjLnZhbHVlIH1gIgogICAgICAgICAgY2xhc3M9ImNhcm91c2VsLWl0ZW0iCiAgICAgICAgICA6 c3R5bGU9ImNvbnRhaW5lclN0eWxlKGMpIj4KICAgICAgICAgIDxkaXYKICAgICAgICAgICAgY2xh c3M9InRodW1ibmFpbCBhc3BlY3QtcmF0aW8iCiAgICAgICAgICA+CiAgICAgICAgICAgIHt7IGMu dmFsdWUgfX0KICAgICAgICAgIDwvZGl2PgogICAgICAgIDwvZGl2PgogICAgICA8L2Rpdj4KICAg ICAgPGRpdiBjbGFzcz0ibmF2IHByZXYiIEBjbGljaz0icHJldmlvdXMiPiA8IDwvZGl2PgogICAg ICA8ZGl2IGNsYXNzPSJuYXYgbmV4dCIgQGNsaWNrPSJuZXh0Ij4gPiA8L2Rpdj4KICAgIDwvZGl2 PgogIDwvZGl2PgoKICA8c2NyaXB0PgogICAgdmFyIGFwcCA9IG5ldyBWdWUoewogICAgICBlbDog JyNhcHAnLAogICAgICBkYXRhOiB7CiAgICAgICAgcmVzb2x1dGlvbjogNCwKICAgICAgICBzY3Jl ZW46IHsKICAgICAgICAgIHdpZHRoOiBkb2N1bWVudC5kb2N1bWVudEVsZW1lbnQuY2xpZW50V2lk dGgsCiAgICAgICAgICBoZWlnaHQ6IGRvY3VtZW50LmRvY3VtZW50RWxlbWVudC5jbGllbnRIZWln aHQKICAgICAgICB9LAogICAgICAgIGFzcGVjdDogZG9jdW1lbnQuZG9jdW1lbnRFbGVtZW50LmNs aWVudFdpZHRoIC8gZG9jdW1lbnQuZG9jdW1lbnRFbGVtZW50LmNsaWVudEhlaWdodCwKICAgICAg ICBwYWdlOiAwLAogICAgICAgIHRvdWNoOiBudWxsLAogICAgICAgIHRvdWNoTGVmdDogMCwKICAg ICAgICB0b3VjaFBlcmNlbnRhZ2U6IDAsCiAgICAgICAgdG91Y2hMaW1pdDogMC4zMywgICAgIC8v IDAtMSBwZXJjZW50YWdlIHZhbHVlIGZvciBzd2lwZSBkZXRlY3Rpb24KICAgICAgICBtYXhfc2Ny ZWVuX3dpZHRoOiAxMDgwLAogICAgICAgIGR1cmF0aW9uOiA1MDAsCiAgICAgICAgY29udGVudDog WwogICAgICAgICAgeyB2YWx1ZTogJ2EnLCBpbmRleDogLTEwIH0sCiAgICAgICAgICB7IHZhbHVl OiAnYicsIGluZGV4OiAtOSB9LAogICAgICAgICAgeyB2YWx1ZTogJ2MnLCBpbmRleDogLTggfSwK ICAgICAgICAgIHsgdmFsdWU6ICdkJywgaW5kZXg6IC03IH0sCiAgICAgICAgICB7IHZhbHVlOiAn ZScsIGluZGV4OiAtNiB9LAogICAgICAgICAgeyB2YWx1ZTogJ2YnLCBpbmRleDogLTUgfSwKICAg ICAgICAgIHsgdmFsdWU6ICdnJywgaW5kZXg6IC00IH0sCiAgICAgICAgICB7IHZhbHVlOiAnaCcs IGluZGV4OiAtMyB9LAogICAgICAgICAgeyB2YWx1ZTogJ2knLCBpbmRleDogLTIgfSwKICAgICAg ICAgIHsgdmFsdWU6ICdqJywgaW5kZXg6IC0xIH0sCiAgICAgICAgICB7IHZhbHVlOiAnYScsIGlu ZGV4OiAwIH0sCiAgICAgICAgICB7IHZhbHVlOiAnYicsIGluZGV4OiAxIH0sCiAgICAgICAgICB7 IHZhbHVlOiAnYycsIGluZGV4OiAyIH0sCiAgICAgICAgICB7IHZhbHVlOiAnZCcsIGluZGV4OiAz IH0sCiAgICAgICAgICB7IHZhbHVlOiAnZScsIGluZGV4OiA0IH0sCiAgICAgICAgICB7IHZhbHVl OiAnZicsIGluZGV4OiA1IH0sCiAgICAgICAgICB7IHZhbHVlOiAnZycsIGluZGV4OiA2IH0sCiAg ICAgICAgICB7IHZhbHVlOiAnaCcsIGluZGV4OiA3IH0sCiAgICAgICAgICB7IHZhbHVlOiAnaScs IGluZGV4OiA4IH0sCiAgICAgICAgICB7IHZhbHVlOiAnaicsIGluZGV4OiA5IH0KICAgICAgICBd LAogICAgICAgIHJvdzogMAogICAgICB9LAogICAgICBtb3VudGVkOiBmdW5jdGlvbigpIHsKICAg ICAgICB3aW5kb3cuYWRkRXZlbnRMaXN0ZW5lcigncmVzaXplJywgdGhpcy5yZXNpemUsIGZhbHNl KTsKICAgICAgICB0aGlzLnVwZGF0ZSgpOwogICAgICAgIHRoaXMuc2V0UmVzb2x1dGlvbigpOwog ICAgICB9LAogICAgICBiZWZvcmVEZXN0cm95OiBmdW5jdGlvbigpIHsKICAgICAgICB3aW5kb3cu cmVtb3ZlRXZlbnRMaXN0ZW5lcigncmVzaXplJywgdGhpcy5yZXNpemUsIGZhbHNlKTsKICAgICAg fSwKICAgICAgY29tcHV0ZWQ6IHsKICAgICAgICB3aWR0aDogZnVuY3Rpb24oKSB7CiAgICAgICAg ICByZXR1cm4gTWF0aC5taW4odGhpcy5zY3JlZW4ud2lkdGgsIHRoaXMubWF4X3NjcmVlbl93aWR0 aCk7CiAgICAgICAgfSwKICAgICAgICBhZGFwdGl2ZUhlaWdodDogZnVuY3Rpb24oKSB7CiAgICAg ICAgICByZXR1cm4gdGhpcy5oZWlnaHQgfHwgMDsKICAgICAgICB9LAogICAgICAgIGhlaWdodDog ZnVuY3Rpb24oKSB7CiAgICAgICAgICByZXR1cm4gMC45OCAqICh0aGlzLnNjcmVlbi53aWR0aCAq IDAuODUgLyB0aGlzLnJlc29sdXRpb24pIC8gdGhpcy5hc3BlY3Q7CiAgICAgICAgfSwKICAgICAg ICBwYWdlTGVmdDogZnVuY3Rpb24oKSB7CiAgICAgICAgICByZXR1cm4gdGhpcy50b3VjaCA/IHRo aXMudG91Y2hMZWZ0IDogdGhpcy5vZmZzZXRMZWZ0OwogICAgICAgIH0sCiAgICAgICAgb2Zmc2V0 TGVmdDogZnVuY3Rpb24oKSB7CiAgICAgICAgICByZXR1cm4gdGhpcy5wYWdlIC0gMC4wMzsKICAg ICAgICB9LAogICAgICAgIGZpcnN0SW5kZXg6IGZ1bmN0aW9uKCkgewogICAgICAgICAgLy8gVGhl IGluZGV4IG9mIHRoZSBmaXJzdCBpdGVtIGluIHRoZSBhY3RpdmUgc2V0LgogICAgICAgICAgcmV0 dXJuIHRoaXMucGFnZSAqIHRoaXMucmVzb2x1dGlvbjsKICAgICAgICB9LAogICAgICAgIGNlbnRl ckluZGV4OiBmdW5jdGlvbigpIHsKICAgICAgICAgIC8vIFRoZSBpbmRleCBvZiB0aGUgY2VudGVy IG1vc3QgaXRlbS4KICAgICAgICAgIHJldHVybiBNYXRoLmZsb29yKHRoaXMuZmlyc3RJbmRleCAr IHRoaXMucmVzb2x1dGlvbiAvIDIpOwogICAgICAgIH0sCiAgICAgICAgcGFnZXNTdHlsZTogZnVu Y3Rpb24oKSB7CiAgICAgICAgICByZXR1cm4gewogICAgICAgICAgICBoZWlnaHQ6ICcyMDBweCcK ICAgICAgICAgIH07CiAgICAgICAgfSwKICAgICAgICBjdXJzb3JTdHlsZTogZnVuY3Rpb24oKSB7 CiAgICAgICAgICByZXR1cm4gewogICAgICAgICAgICBsZWZ0OiAoLXRoaXMucGFnZUxlZnQgKiA4 NSkgKyAnJScKICAgICAgICAgIH07CiAgICAgICAgfSwKICAgICAgICBjdXJzb3JDbGFzczogZnVu Y3Rpb24oKSB7CiAgICAgICAgICByZXR1cm4gewogICAgICAgICAgICBkcmFnZ2luZzogISF0aGlz LnRvdWNoCiAgICAgICAgICB9OwogICAgICAgIH0KICAgICAgfSwKICAgICAgd2F0Y2g6IHsKICAg ICAgICB3aWR0aDogZnVuY3Rpb24oKSB7CiAgICAgICAgICB0aGlzLnNldFJlc29sdXRpb24oKTsK ICAgICAgICB9CiAgICAgIH0sCiAgICAgIG1ldGhvZHM6IHsKICAgICAgICB1cGRhdGU6IGZ1bmN0 aW9uKCkgewogICAgICAgICAgdmFyIHRoYXQgPSB0aGlzOwogICAgICAgICAgdmFyIGxlbmd0aCA9 IHRoaXMuY29udGVudC5sZW5ndGg7CiAgICAgICAgICB0aGlzLmNvbnRlbnQgPSB0aGlzLmNvbnRl bnQubWFwKCBmdW5jdGlvbihpdGVtKSB7CiAgICAgICAgICAgIHZhciB4cGN0ID0gODUgLyB0aGF0 LnJlc29sdXRpb247CiAgICAgICAgICAgIHZhciBvZmZzZXQgPSA1OwogICAgICAgICAgICBpdGVt Lm9mZnNldFdpZHRoUGVyY2VudGFnZSA9IHhwY3Q7CiAgICAgICAgICAgIGl0ZW0ub2Zmc2V0TGVm dFBlcmNlbnRhZ2UgPSBpdGVtLmluZGV4ICogeHBjdCArIG9mZnNldDsKCiAgICAgICAgICAgIHZh ciByYW5nZSA9IGxlbmd0aCAvIDI7CiAgICAgICAgICAgIC8vIERlbHRhIGlzIHVzZWQgdG8gZGV0 ZXJtaW5lIHRoZSBpbmRleCBzaGlmdAogICAgICAgICAgICB2YXIgZGVsdGEgPSB0aGF0LmNlbnRl ckluZGV4IC0gaXRlbS5pbmRleDsKCiAgICAgICAgICAgIGlmIChkZWx0YSA8PSAtIHJhbmdlKSB7 CiAgICAgICAgICAgICAgaXRlbS5pbmRleCAtPSBsZW5ndGg7CiAgICAgICAgICAgIH0gZWxzZSBp ZiAoZGVsdGEgPiByYW5nZSkgewogICAgICAgICAgICAgIGl0ZW0uaW5kZXggKz0gbGVuZ3RoOwog ICAgICAgICAgICB9CgogICAgICAgICAgICByZXR1cm4gaXRlbTsKICAgICAgICAgIH0pOwogICAg ICAgIH0sCiAgICAgICAgcmVzaXplOiBmdW5jdGlvbigpIHsKICAgICAgICAgIHRoaXMuc2NyZWVu LndpZHRoID0gZG9jdW1lbnQuZG9jdW1lbnRFbGVtZW50LmNsaWVudFdpZHRoOwogICAgICAgICAg dGhpcy5zY3JlZW4uaGVpZ2h0ID0gZG9jdW1lbnQuZG9jdW1lbnRFbGVtZW50LmNsaWVudEhlaWdo dDsKICAgICAgICAgIHRoaXMuYXNwZWN0ID0gdGhpcy5zY3JlZW4ud2lkdGggLyB0aGlzLnNjcmVl bi5oZWlnaHQ7CiAgICAgICAgfSwKICAgICAgICBuZXh0OiBmdW5jdGlvbiAoKSB7CiAgICAgICAg ICB0aGlzLnBhZ2UrKzsKCiAgICAgICAgICB0aGlzLnVwZGF0ZSgpOwogICAgICAgIH0sCiAgICAg ICAgcHJldmlvdXM6IGZ1bmN0aW9uICgpIHsKICAgICAgICAgIHRoaXMucGFnZS0tOwoKICAgICAg ICAgIHRoaXMudXBkYXRlKCk7CiAgICAgICAgfSwKICAgICAgICBzZXRSZXNvbHV0aW9uOiBmdW5j dGlvbigpIHsKICAgICAgICAgIHRoaXMucmVzb2x1dGlvbiA9IHRoaXMud2lkdGggPj0gNjAwID8g NCA6IDI7CiAgICAgICAgfSwKICAgICAgICBjb250YWluZXJTdHlsZTogZnVuY3Rpb24oaXRlbSkg ewogICAgICAgICAgcmV0dXJuIHsKICAgICAgICAgICAgdG9wOiAodGhpcy5yb3cgKiAxLjAxKSAq IHRoaXMuYWRhcHRpdmVIZWlnaHQgKyAncHgnLAogICAgICAgICAgICBsZWZ0OiBpdGVtLm9mZnNl dExlZnRQZXJjZW50YWdlICsgJyUnLAogICAgICAgICAgICB3aWR0aDogaXRlbS5vZmZzZXRXaWR0 aFBlcmNlbnRhZ2UgKyAnJScKICAgICAgICAgIH07CiAgICAgICAgfSwKICAgICAgICB0b3VjaHN0 YXJ0OiBmdW5jdGlvbihlKSB7CiAgICAgICAgICB0aGlzLnRvdWNoUGVyY2VudGFnZSA9IDA7CiAg ICAgICAgICBpZiAoZS50b3VjaGVzLmxlbmd0aCA+IDApIHsKICAgICAgICAgICAgdGhpcy50b3Vj aCA9IGUudG91Y2hlc1swXTsKICAgICAgICAgICAgdGhpcy50b3VjaExlZnQgPSB0aGlzLm9mZnNl dExlZnQ7CiAgICAgICAgICB9CiAgICAgICAgfSwKICAgICAgICB0b3VjaG1vdmU6IGZ1bmN0aW9u KGUpIHsKICAgICAgICAgIGlmIChlICYmIGUucHJldmVudERlZmF1bHQpIHsKICAgICAgICAgICAg ZS5wcmV2ZW50RGVmYXVsdCgpOwogICAgICAgICAgfQoKICAgICAgICAgIGlmIChlLnRvdWNoZXMu bGVuZ3RoID4gMCkgewoKICAgICAgICAgICAgdmFyIHRvdWNoID0gZS50b3VjaGVzWzBdOwoKICAg ICAgICAgICAgLy8gRGVsdGEgY29tcGFyaXNvbiB0byBkbyBwcmVjaXNlIHRvdWNoIGRyYWdnaW5n CiAgICAgICAgICAgIGlmICh0aGlzLnRvdWNoKSB7CgogICAgICAgICAgICAgIHZhciBkeCA9IHRv dWNoLnBhZ2VYIC0gdGhpcy50b3VjaC5wYWdlWDsKICAgICAgICAgICAgICBkeCAvPSBzY3JlZW4u d2lkdGg7CiAgICAgICAgICAgICAgdGhpcy50b3VjaFBlcmNlbnRhZ2UgKz0gZHg7CiAgICAgICAg ICAgICAgdGhpcy50b3VjaExlZnQgLT0gZHg7CgogICAgICAgICAgICB9CgogICAgICAgICAgICB0 aGlzLnRvdWNoID0gdG91Y2g7CgogICAgICAgICAgfQoKICAgICAgICAgIHJldHVybiBmYWxzZTsK ICAgICAgICB9LAogICAgICAgIHRvdWNoZW5kOiBmdW5jdGlvbigpIHsKICAgICAgICAgIHRoaXMu dG91Y2ggPSBudWxsOwogICAgICAgICAgaWYgKHRoaXMudG91Y2hQZXJjZW50YWdlID4gdGhpcy50 b3VjaExpbWl0KSB7CiAgICAgICAgICAgIHRoaXMucHJldmlvdXMoKTsKICAgICAgICAgIH0gZWxz ZSBpZiAodGhpcy50b3VjaFBlcmNlbnRhZ2UgPCAtIHRoaXMudG91Y2hMaW1pdCkgewogICAgICAg ICAgICB0aGlzLm5leHQoKTsKICAgICAgICAgIH0KICAgICAgICAgIHRoaXMudG91Y2hQZXJjZW50 YWdlID0gMDsKICAgICAgICB9CiAgICAgIH0KICAgIH0pCiAgPC9zY3JpcHQ+CjwvYm9keT4KPC9o dG1sPgo=