Update( ) fails if the user is interacting with the plot #2687

Closed
Closed
Update( ) fails if the user is interacting with the plot#2687

Description

@Watashiku
Watashiku
opened on May 31, 2018

Hi !

I use an heatmap to represent large datasets. After plotly_relayout events I download and process data (asynchronous, can take some time), then display them. However Plotly will return an undefined error from a promise if the update is done while dragging. I used a setTimeout in the codepen to copy the behavior of my program.

CodePen : https://codepen.io/watashiku/pen/pKJJNW?editors=1010
Error message :

plotly-latest.js:128472 Uncaught TypeError: Cannot read property 'length' of undefined
at exports.drawData (VM750 plotly-latest.js:128472)
at Object.lib.syncOrAsync (VM750 plotly-latest.js:119125)
at relayout (VM750 plotly-latest.js:125433)
at Object.exports.call (VM750 plotly-latest.js:153164)
at VM750 plotly-latest.js:133800
at Object.lib.syncOrAsync (VM750 plotly-latest.js:119125)
at Object.dragTail [as doneFn] (VM750 plotly-latest.js:133798)
at HTMLDocument.onDone (VM750 plotly-latest.js:102144)

Steps to reproduce : drag the plot once, then quickly start dragging again and hold it one second - the bug appears if you are dragging during the update triggered by the previous drag.

It creates two major problems :

  • The plot will be "locked" on the screen : panning or zooming will not affect the plot (only the axes in the background),
  • There is no plotly_afterplot event triggered by Plotly which means there is no way for me to tell the user that the plot is ready nor somehow handling the situation by myself (and the error cannot be catched outside of Plotly due to the way it is raise I think?).

Notes :

  • When the bug happens clicking on the graph fixes it
  • The behavior is similar for react, restyle and addtrace. It does not appear with plot (but this creates traces for every relayout)

Metadata

Metadata

Assignees

No one assigned

    Labels

    No labels
    No labels

    Type

    No type

    Projects

    No projects

      Milestone

      No milestone

      Relationships

      None yet

      Development

      No branches or pull requests

      Issue actions

      , 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all 
       blocks\n(function() {\n function addCopyButtons() {\n document.querySelectorAll('pre code').forEach(function(codeBlock) {\n if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;\n codeBlock.parentElement.setAttribute('data-copy-added', 'true');\n \n var btn = document.createElement('button');\n btn.textContent = 'Copy';\n btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';\n btn.onmouseover = function() { this.style.opacity = '1'; };\n btn.onmouseout = function() { this.style.opacity = '0.7'; };\n btn.onclick = function() {\n navigator.clipboard.writeText(codeBlock.textContent).then(function() {\n btn.textContent = 'Copied!';\n setTimeout(function() { btn.textContent = 'Copy'; }, 1500);\n });\n };\n codeBlock.parentElement.style.position = 'relative';\n codeBlock.parentElement.appendChild(btn);\n });\n }\n \n addCopyButtons();\n \n // Re-run on dynamic content\n var observer = new MutationObserver(addCopyButtons);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Add Copy Buttons to Code Blocks");
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '

      Skip to content
      Update( ) fails if the user is interacting with the plot #2687
      Closed
      Closed
      Update( ) fails if the user is interacting with the plot#2687
      Description
      @Watashiku
      Watashiku
      opened on May 31, 2018
      Hi !
      I use an heatmap to represent large datasets. After plotly_relayout events I download and process data (asynchronous, can take some time), then display them. However Plotly will return an undefined error from a promise if the update is done while dragging. I used a setTimeout in the codepen to copy the behavior of my program.
      CodePen : https://codepen.io/watashiku/pen/pKJJNW?editors=1010
      
Error message :
      plotly-latest.js:128472 Uncaught TypeError: Cannot read property 'length' of undefined
at exports.drawData (VM750 plotly-latest.js:128472)
at Object.lib.syncOrAsync (VM750 plotly-latest.js:119125)
at relayout (VM750 plotly-latest.js:125433)
at Object.exports.call (VM750 plotly-latest.js:153164)
at VM750 plotly-latest.js:133800
at Object.lib.syncOrAsync (VM750 plotly-latest.js:119125)
at Object.dragTail [as doneFn] (VM750 plotly-latest.js:133798)
at HTMLDocument.onDone (VM750 plotly-latest.js:102144)

      Steps to reproduce : drag the plot once, then quickly start dragging again and hold it one second - the bug appears if you are dragging during the update triggered by the previous drag.
      It creates two major problems :
      • The plot will be "locked" on the screen : panning or zooming will not affect the plot (only the axes in the background),
      • There is no plotly_afterplot event triggered by Plotly which means there is no way for me to tell the user that the plot is ready nor somehow handling the situation by myself (and the error cannot be catched outside of Plotly due to the way it is raise I think?).
      Notes :
      • When the bug happens clicking on the graph fixes it
      • The behavior is similar for react, restyle and addtrace. It does not appear with plot (but this creates traces for every relayout)
      Metadata
      Metadata
      Assignees
      No one assigned
        Labels
        No labels
        No labels
        Type
        No type
        Projects
        No projects
          Milestone
          No milestone
          Relationships
          None yet
          Development
          No branches or pull requests
          Issue actions
          
, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix");
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

          Skip to content
          Update( ) fails if the user is interacting with the plot #2687
          Closed
          Closed
          Update( ) fails if the user is interacting with the plot#2687
          Description
          @Watashiku
          Watashiku
          opened on May 31, 2018
          Hi !
          I use an heatmap to represent large datasets. After plotly_relayout events I download and process data (asynchronous, can take some time), then display them. However Plotly will return an undefined error from a promise if the update is done while dragging. I used a setTimeout in the codepen to copy the behavior of my program.
          CodePen : https://codepen.io/watashiku/pen/pKJJNW?editors=1010
          
Error message :
          plotly-latest.js:128472 Uncaught TypeError: Cannot read property 'length' of undefined
at exports.drawData (VM750 plotly-latest.js:128472)
at Object.lib.syncOrAsync (VM750 plotly-latest.js:119125)
at relayout (VM750 plotly-latest.js:125433)
at Object.exports.call (VM750 plotly-latest.js:153164)
at VM750 plotly-latest.js:133800
at Object.lib.syncOrAsync (VM750 plotly-latest.js:119125)
at Object.dragTail [as doneFn] (VM750 plotly-latest.js:133798)
at HTMLDocument.onDone (VM750 plotly-latest.js:102144)

          Steps to reproduce : drag the plot once, then quickly start dragging again and hold it one second - the bug appears if you are dragging during the update triggered by the previous drag.
          It creates two major problems :
          • The plot will be "locked" on the screen : panning or zooming will not affect the plot (only the axes in the background),
          • There is no plotly_afterplot event triggered by Plotly which means there is no way for me to tell the user that the plot is ready nor somehow handling the situation by myself (and the error cannot be catched outside of Plotly due to the way it is raise I think?).
          Notes :
          • When the bug happens clicking on the graph fixes it
          • The behavior is similar for react, restyle and addtrace. It does not appear with plot (but this creates traces for every relayout)
          Metadata
          Metadata
          Assignees
          No one assigned
            Labels
            No labels
            No labels
            Type
            No type
            Projects
            No projects
              Milestone
              No milestone
              Relationships
              None yet
              Development
              No branches or pull requests
              Issue actions
              
, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms");
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

              Skip to content
              Update( ) fails if the user is interacting with the plot #2687
              Closed
              Closed
              Update( ) fails if the user is interacting with the plot#2687
              Description
              @Watashiku
              Watashiku
              opened on May 31, 2018
              Hi !
              I use an heatmap to represent large datasets. After plotly_relayout events I download and process data (asynchronous, can take some time), then display them. However Plotly will return an undefined error from a promise if the update is done while dragging. I used a setTimeout in the codepen to copy the behavior of my program.
              CodePen : https://codepen.io/watashiku/pen/pKJJNW?editors=1010
              
Error message :
              plotly-latest.js:128472 Uncaught TypeError: Cannot read property 'length' of undefined
at exports.drawData (VM750 plotly-latest.js:128472)
at Object.lib.syncOrAsync (VM750 plotly-latest.js:119125)
at relayout (VM750 plotly-latest.js:125433)
at Object.exports.call (VM750 plotly-latest.js:153164)
at VM750 plotly-latest.js:133800
at Object.lib.syncOrAsync (VM750 plotly-latest.js:119125)
at Object.dragTail [as doneFn] (VM750 plotly-latest.js:133798)
at HTMLDocument.onDone (VM750 plotly-latest.js:102144)

              Steps to reproduce : drag the plot once, then quickly start dragging again and hold it one second - the bug appears if you are dragging during the update triggered by the previous drag.
              It creates two major problems :
              • The plot will be "locked" on the screen : panning or zooming will not affect the plot (only the axes in the background),
              • There is no plotly_afterplot event triggered by Plotly which means there is no way for me to tell the user that the plot is ready nor somehow handling the situation by myself (and the error cannot be catched outside of Plotly due to the way it is raise I think?).
              Notes :
              • When the bug happens clicking on the graph fixes it
              • The behavior is similar for react, restyle and addtrace. It does not appear with plot (but this creates traces for every relayout)
              Metadata
              Metadata
              Assignees
              No one assigned
                Labels
                No labels
                No labels
                Type
                No type
                Projects
                No projects
                  Milestone
                  No milestone
                  Relationships
                  None yet
                  Development
                  No branches or pull requests
                  Issue actions
                  
, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links");
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

                  Skip to content
                  Update( ) fails if the user is interacting with the plot #2687
                  Closed
                  Closed
                  Update( ) fails if the user is interacting with the plot#2687
                  Description
                  @Watashiku
                  Watashiku
                  opened on May 31, 2018
                  Hi !
                  I use an heatmap to represent large datasets. After plotly_relayout events I download and process data (asynchronous, can take some time), then display them. However Plotly will return an undefined error from a promise if the update is done while dragging. I used a setTimeout in the codepen to copy the behavior of my program.
                  CodePen : https://codepen.io/watashiku/pen/pKJJNW?editors=1010
                  
Error message :
                  plotly-latest.js:128472 Uncaught TypeError: Cannot read property 'length' of undefined
at exports.drawData (VM750 plotly-latest.js:128472)
at Object.lib.syncOrAsync (VM750 plotly-latest.js:119125)
at relayout (VM750 plotly-latest.js:125433)
at Object.exports.call (VM750 plotly-latest.js:153164)
at VM750 plotly-latest.js:133800
at Object.lib.syncOrAsync (VM750 plotly-latest.js:119125)
at Object.dragTail [as doneFn] (VM750 plotly-latest.js:133798)
at HTMLDocument.onDone (VM750 plotly-latest.js:102144)

                  Steps to reproduce : drag the plot once, then quickly start dragging again and hold it one second - the bug appears if you are dragging during the update triggered by the previous drag.
                  It creates two major problems :
                  • The plot will be "locked" on the screen : panning or zooming will not affect the plot (only the axes in the background),
                  • There is no plotly_afterplot event triggered by Plotly which means there is no way for me to tell the user that the plot is ready nor somehow handling the situation by myself (and the error cannot be catched outside of Plotly due to the way it is raise I think?).
                  Notes :
                  • When the bug happens clicking on the graph fixes it
                  • The behavior is similar for react, restyle and addtrace. It does not appear with plot (but this creates traces for every relayout)
                  Metadata
                  Metadata
                  Assignees
                  No one assigned
                    Labels
                    No labels
                    No labels
                    Type
                    No type
                    Projects
                    No projects
                      Milestone
                      No milestone
                      Relationships
                      None yet
                      Development
                      No branches or pull requests
                      Issue actions
                      
, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default");
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

                      Skip to content
                      Update( ) fails if the user is interacting with the plot #2687
                      Closed
                      Closed
                      Update( ) fails if the user is interacting with the plot#2687
                      Description
                      @Watashiku
                      Watashiku
                      opened on May 31, 2018
                      Hi !
                      I use an heatmap to represent large datasets. After plotly_relayout events I download and process data (asynchronous, can take some time), then display them. However Plotly will return an undefined error from a promise if the update is done while dragging. I used a setTimeout in the codepen to copy the behavior of my program.
                      CodePen : https://codepen.io/watashiku/pen/pKJJNW?editors=1010
                      
Error message :
                      plotly-latest.js:128472 Uncaught TypeError: Cannot read property 'length' of undefined
at exports.drawData (VM750 plotly-latest.js:128472)
at Object.lib.syncOrAsync (VM750 plotly-latest.js:119125)
at relayout (VM750 plotly-latest.js:125433)
at Object.exports.call (VM750 plotly-latest.js:153164)
at VM750 plotly-latest.js:133800
at Object.lib.syncOrAsync (VM750 plotly-latest.js:119125)
at Object.dragTail [as doneFn] (VM750 plotly-latest.js:133798)
at HTMLDocument.onDone (VM750 plotly-latest.js:102144)

                      Steps to reproduce : drag the plot once, then quickly start dragging again and hold it one second - the bug appears if you are dragging during the update triggered by the previous drag.
                      It creates two major problems :
                      • The plot will be "locked" on the screen : panning or zooming will not affect the plot (only the axes in the background),
                      • There is no plotly_afterplot event triggered by Plotly which means there is no way for me to tell the user that the plot is ready nor somehow handling the situation by myself (and the error cannot be catched outside of Plotly due to the way it is raise I think?).
                      Notes :
                      • When the bug happens clicking on the graph fixes it
                      • The behavior is similar for react, restyle and addtrace. It does not appear with plot (but this creates traces for every relayout)
                      Metadata
                      Metadata
                      Assignees
                      No one assigned
                        Labels
                        No labels
                        No labels
                        Type
                        No type
                        Projects
                        No projects
                          Milestone
                          No milestone
                          Relationships
                          None yet
                          Development
                          No branches or pull requests
                          Issue actions
                          
, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers");
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

                          Skip to content
                          Update( ) fails if the user is interacting with the plot #2687
                          Closed
                          Closed
                          Update( ) fails if the user is interacting with the plot#2687
                          Description
                          @Watashiku
                          Watashiku
                          opened on May 31, 2018
                          Hi !
                          I use an heatmap to represent large datasets. After plotly_relayout events I download and process data (asynchronous, can take some time), then display them. However Plotly will return an undefined error from a promise if the update is done while dragging. I used a setTimeout in the codepen to copy the behavior of my program.
                          CodePen : https://codepen.io/watashiku/pen/pKJJNW?editors=1010
                          
Error message :
                          plotly-latest.js:128472 Uncaught TypeError: Cannot read property 'length' of undefined
at exports.drawData (VM750 plotly-latest.js:128472)
at Object.lib.syncOrAsync (VM750 plotly-latest.js:119125)
at relayout (VM750 plotly-latest.js:125433)
at Object.exports.call (VM750 plotly-latest.js:153164)
at VM750 plotly-latest.js:133800
at Object.lib.syncOrAsync (VM750 plotly-latest.js:119125)
at Object.dragTail [as doneFn] (VM750 plotly-latest.js:133798)
at HTMLDocument.onDone (VM750 plotly-latest.js:102144)

                          Steps to reproduce : drag the plot once, then quickly start dragging again and hold it one second - the bug appears if you are dragging during the update triggered by the previous drag.
                          It creates two major problems :
                          • The plot will be "locked" on the screen : panning or zooming will not affect the plot (only the axes in the background),
                          • There is no plotly_afterplot event triggered by Plotly which means there is no way for me to tell the user that the plot is ready nor somehow handling the situation by myself (and the error cannot be catched outside of Plotly due to the way it is raise I think?).
                          Notes :
                          • When the bug happens clicking on the graph fixes it
                          • The behavior is similar for react, restyle and addtrace. It does not appear with plot (but this creates traces for every relayout)
                          Metadata
                          Metadata
                          Assignees
                          No one assigned
                            Labels
                            No labels
                            No labels
                            Type
                            No type
                            Projects
                            No projects
                              Milestone
                              No milestone
                              Relationships
                              None yet
                              Development
                              No branches or pull requests
                              Issue actions
                              
, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode");
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();

                              Skip to content
                              Update( ) fails if the user is interacting with the plot #2687
                              Closed
                              Closed
                              Update( ) fails if the user is interacting with the plot#2687
                              Description
                              @Watashiku
                              Watashiku
                              opened on May 31, 2018
                              Hi !
                              I use an heatmap to represent large datasets. After plotly_relayout events I download and process data (asynchronous, can take some time), then display them. However Plotly will return an undefined error from a promise if the update is done while dragging. I used a setTimeout in the codepen to copy the behavior of my program.
                              CodePen : https://codepen.io/watashiku/pen/pKJJNW?editors=1010
                              
Error message :
                              plotly-latest.js:128472 Uncaught TypeError: Cannot read property 'length' of undefined
at exports.drawData (VM750 plotly-latest.js:128472)
at Object.lib.syncOrAsync (VM750 plotly-latest.js:119125)
at relayout (VM750 plotly-latest.js:125433)
at Object.exports.call (VM750 plotly-latest.js:153164)
at VM750 plotly-latest.js:133800
at Object.lib.syncOrAsync (VM750 plotly-latest.js:119125)
at Object.dragTail [as doneFn] (VM750 plotly-latest.js:133798)
at HTMLDocument.onDone (VM750 plotly-latest.js:102144)

                              Steps to reproduce : drag the plot once, then quickly start dragging again and hold it one second - the bug appears if you are dragging during the update triggered by the previous drag.
                              It creates two major problems :
                              • The plot will be "locked" on the screen : panning or zooming will not affect the plot (only the axes in the background),
                              • There is no plotly_afterplot event triggered by Plotly which means there is no way for me to tell the user that the plot is ready nor somehow handling the situation by myself (and the error cannot be catched outside of Plotly due to the way it is raise I think?).
                              Notes :
                              • When the bug happens clicking on the graph fixes it
                              • The behavior is similar for react, restyle and addtrace. It does not appear with plot (but this creates traces for every relayout)
                              Metadata
                              Metadata
                              Assignees
                              No one assigned
                                Labels
                                No labels
                                No labels
                                Type
                                No type
                                Projects
                                No projects
                                  Milestone
                                  No milestone
                                  Relationships
                                  None yet
                                  Development
                                  No branches or pull requests
                                  Issue actions