Files
enviPy-bayer/static/js/pw.js
Tim Lorsbach 6680668c89
Some checks failed
CI / test (pull_request) Failing after 15s
API CI / api-tests (pull_request) Failing after 27s
adjusted migration
Initial bayer app

Show Pack Classification

Adjusted docker compose to bayer specifics

Adjusted Dockerfile for Bayer

Adding secret flags to group, add secret pools to packages

Adjusted View for Package creation

Prep configs, added Package Create Modal

wip

More on PES

wip

wip

Wip

minor

PW interactions

API PES

wip

Make Select Widget reflect required

make required generallay available

Update UI if pathway mode is set to build

Added ais

circle adjustments

Initial Zoom, fix AD Creation

wip
2026-06-11 09:41:08 +02:00

814 lines
30 KiB
JavaScript

console.log("loaded pw.js")
function predictFromNode(url) {
fetch("", {
method: "POST",
headers: {
"Content-Type": "application/x-www-form-urlencoded",
"X-CSRFToken": document.querySelector('[name=csrfmiddlewaretoken]')?.value || ''
},
body: new URLSearchParams({node: url})
})
.then(response => response.json())
.then(data => {
console.log("Success:", data);
window.location.href = data.success;
})
.catch(error => {
console.error("Error:", error);
});
}
// data = {{ pathway.d3_json | safe }};
// elem = 'vizdiv'
function draw(pathway, elem) {
const initialzoom = 2.5
const nodeRadius = 20;
const linkDistance = 100;
const chargeStrength = -200;
const depthSpacing = 150;
const width = document.getElementById(elem).offsetWidth, height = width * 0.75;
function assignPositions(nodes) {
const levelSpacing = 75; // vertical space between levels
const horizontalSpacing = 75; // horizontal space between nodes
const depthMap = new Map();
// Sort nodes by depth first to minimize crossings
const sortedNodes = [...nodes].sort((a, b) => a.depth - b.depth);
sortedNodes.forEach(node => {
if (!depthMap.has(node.depth)) {
depthMap.set(node.depth, 0);
}
const nodesInLevel = nodes.filter(n => n.depth === node.depth).length;
// For pseudo nodes, try to position them to minimize crossings
if (node.pseudo) {
const parentLinks = links.filter(l => l.target.id === node.id);
const childLinks = links.filter(l => l.source.id === node.id);
if (parentLinks.length > 0 && childLinks.length > 0) {
const parentX = parentLinks[0].source.x || (width / 2);
const childrenX = childLinks.map(l => l.target.x || (width / 2));
const avgChildX = childrenX.reduce((sum, x) => sum + x, 0) / childrenX.length;
// Position pseudo node between parent and average child position
node.fx = (parentX + avgChildX) / 2;
} else {
node.fx = width / 2 + depthMap.get(node.depth) * horizontalSpacing - ((nodesInLevel - 1) * horizontalSpacing) / 2;
}
} else {
node.fx = width / 2 + depthMap.get(node.depth) * horizontalSpacing - ((nodesInLevel - 1) * horizontalSpacing) / 2;
}
node.fy = (node.depth + initialzoom + 0.5) * levelSpacing + 50;
depthMap.set(node.depth, depthMap.get(node.depth) + 1);
});
}
// Function to update pseudo node positions based on connected nodes
function updatePseudoNodePositions() {
nodes.forEach(node => {
if (node.pseudo && !node.isDragging) { // Don't auto-update if being dragged
const parentLinks = links.filter(l => l.target.id === node.id);
const childLinks = links.filter(l => l.source.id === node.id);
if (parentLinks.length > 0 && childLinks.length > 0) {
const parent = parentLinks[0].source;
const children = childLinks.map(l => l.target);
// Calculate optimal position to minimize crossing
const parentX = parent.x;
const parentY = parent.y;
const childrenX = children.map(c => c.x);
const childrenY = children.map(c => c.y);
const avgChildX = d3.mean(childrenX);
const avgChildY = d3.mean(childrenY);
// Position pseudo node between parent and average child position
node.fx = (parentX + avgChildX) / 2;
node.fy = (parentY + avgChildY) / 2; // Allow vertical movement too
}
}
});
}
// Enhanced ticked function
function ticked() {
// Update pseudo node positions first
updatePseudoNodePositions();
link.attr("d", d => {
// Check if it's a self-loop (source equals target)
if (d.source.id === d.target.id) {
// Create a bezier curve for self-loops
const x = d.source.x;
const y = d.source.y;
const loopRadius = nodeRadius * 2; // Adjust size of the loop
// Create a circular path to the left of the node
return `M ${x},${y - nodeRadius}
C ${x - loopRadius},${y - nodeRadius - loopRadius}
${x - loopRadius},${y + nodeRadius + loopRadius}
${x},${y + nodeRadius}`;
} else {
// Regular straight line for normal edges
return `M ${d.source.x},${d.source.y} L ${d.target.x},${d.target.y}`;
}
});
node.attr("transform", d => `translate(${d.x},${d.y})`);
}
function dragstarted(event, d) {
// Prevent zoom pan when dragging nodes
event.sourceEvent.stopPropagation();
if (!event.active) simulation.alphaTarget(0.3).restart();
d.fx = d.x;
d.fy = d.y;
// Mark if this node is being dragged
d.isDragging = true;
// If dragging a non-pseudo node, mark connected pseudo nodes for update
if (!d.pseudo) {
markConnectedPseudoNodes(d);
}
}
function dragged(event, d) {
// Prevent zoom pan when dragging nodes
event.sourceEvent.stopPropagation();
d.fx = event.x;
d.fy = event.y;
// Update connected pseudo nodes in real-time
if (!d.pseudo) {
updateConnectedPseudoNodes(d);
}
}
function dragended(event, d) {
// Prevent zoom pan when dragging nodes
event.sourceEvent.stopPropagation();
if (!event.active) simulation.alphaTarget(0);
// Mark that dragging has ended
d.isDragging = false;
// Final update of connected pseudo nodes
if (!d.pseudo) {
updateConnectedPseudoNodes(d);
}
}
// Helper function to mark connected pseudo nodes
function markConnectedPseudoNodes(draggedNode) {
// Find pseudo nodes connected to this node
const connectedPseudos = new Set();
// Check as parent of pseudo nodes
links.filter(l => l.source.id === draggedNode.id && l.target.pseudo)
.forEach(l => connectedPseudos.add(l.target));
// Check as child of pseudo nodes
links.filter(l => l.target.id === draggedNode.id && l.source.pseudo)
.forEach(l => connectedPseudos.add(l.source));
return connectedPseudos;
}
// Helper function to update connected pseudo nodes
function updateConnectedPseudoNodes(draggedNode) {
const connectedPseudos = markConnectedPseudoNodes(draggedNode);
connectedPseudos.forEach(pseudoNode => {
if (!pseudoNode.isDragging) { // Don't update if pseudo node is being dragged
const parentLinks = links.filter(l => l.target.id === pseudoNode.id);
const childLinks = links.filter(l => l.source.id === pseudoNode.id);
if (parentLinks.length > 0 && childLinks.length > 0) {
const parent = parentLinks[0].source;
const children = childLinks.map(l => l.target);
const parentX = parent.fx || parent.x;
const parentY = parent.fy || parent.y;
const childrenX = children.map(c => c.fx || c.x);
const childrenY = children.map(c => c.fy || c.y);
const avgChildX = d3.mean(childrenX);
const avgChildY = d3.mean(childrenY);
// Update pseudo node position - allow both X and Y movement
pseudoNode.fx = (parentX + avgChildX) / 2;
pseudoNode.fy = (parentY + avgChildY) / 2;
}
}
});
// Restart simulation with lower alpha to smooth the transition
simulation.alpha(0.1).restart();
}
// t -> ref to "this" from d3
function nodeClick(event, node, t) {
console.log(node);
d3.select(t).select("circle").classed("highlighted", !d3.select(t).select("circle").classed("highlighted"));
}
// Wait before showing popup (ms)
var popupWaitBeforeShow = 1000;
// Custom popover element
let popoverTimeout = null;
function createPopover() {
const popover = document.createElement('div');
popover.id = 'custom-popover';
popover.className = 'fixed z-50';
popover.style.cssText = `
background: #ffffff;
border: 1px solid #d1d5db;
box-shadow: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
max-width: 320px;
padding: 0.75rem;
border-radius: 0.5rem;
opacity: 0;
visibility: hidden;
transition: opacity 150ms ease-in-out, visibility 150ms ease-in-out;
pointer-events: auto;
`;
popover.setAttribute('role', 'tooltip');
popover.innerHTML = `
<div class="font-semibold mb-2 popover-title" style="font-weight: 600; margin-bottom: 0.5rem;"></div>
<div class="text-sm popover-content" style="font-size: 0.875rem;"></div>
`;
// Add styles for content images
const style = document.createElement('style');
style.textContent = `
#custom-popover img {
max-width: 100%;
height: auto;
display: block;
margin: 0.5rem 0;
}
#custom-popover a {
color: #2563eb;
text-decoration: none;
}
#custom-popover a:hover {
text-decoration: underline;
}
`;
if (!document.getElementById('popover-styles')) {
style.id = 'popover-styles';
document.head.appendChild(style);
}
// Keep popover open when hovering over it
popover.addEventListener('mouseenter', () => {
if (popoverTimeout) {
clearTimeout(popoverTimeout);
popoverTimeout = null;
}
});
popover.addEventListener('mouseleave', () => {
hidePopover();
});
document.body.appendChild(popover);
return popover;
}
function getPopover() {
return document.getElementById('custom-popover') || createPopover();
}
function showPopover(element, title, content) {
const popover = getPopover();
popover.querySelector('.popover-title').textContent = title;
popover.querySelector('.popover-content').innerHTML = content;
// Make visible to measure
popover.style.visibility = 'hidden';
popover.style.opacity = '0';
popover.style.display = 'block';
// Smart positioning - avoid viewport overflow
const padding = 10;
const popoverRect = popover.getBoundingClientRect();
const viewportWidth = window.innerWidth;
const viewportHeight = window.innerHeight;
let left = clientX + 15;
let top = clientY - (popoverRect.height / 2);
// Prevent right overflow
if (left + popoverRect.width > viewportWidth - padding) {
left = clientX - popoverRect.width - 15;
}
// Prevent bottom overflow
if (top + popoverRect.height > viewportHeight - padding) {
top = viewportHeight - popoverRect.height - padding;
}
// Prevent top overflow
if (top < padding) {
top = padding;
}
popover.style.top = `${top}px`;
popover.style.left = `${left}px`;
popover.style.visibility = 'visible';
popover.style.opacity = '1';
currentElement = element;
}
function hidePopover() {
const popover = getPopover();
popover.style.opacity = '0';
popover.style.visibility = 'hidden';
currentElement = null;
}
function pop_add(objects, title, contentFunction) {
objects.each(function (d) {
const element = this;
element.addEventListener('mouseenter', () => {
if (popoverTimeout) clearTimeout(popoverTimeout);
popoverTimeout = setTimeout(() => {
if (element.matches(':hover')) {
const content = contentFunction(d);
showPopover(element, title, content);
}
}, popupWaitBeforeShow);
});
element.addEventListener('mouseleave', () => {
if (popoverTimeout) {
clearTimeout(popoverTimeout);
popoverTimeout = null;
}
// Delay hide to allow moving to popover
setTimeout(() => {
const popover = getPopover();
if (!popover.matches(':hover') && !element.matches(':hover')) {
hidePopover();
}
}, 100);
});
});
}
function node_popup(n) {
popupContent = "";
if (timeseriesViewEnabled && n.timeseries && n.timeseries.measurements) {
for (var s of n.scenarios) {
popupContent += "<a href='" + s.url + "'>" + s.name + "</a><br>";
}
popupContent += '<div style="width:100%;height:120px"><canvas id="ts-popover-canvas"></canvas></div>';
const tsMeasurements = n.timeseries.measurements;
setTimeout(() => {
const canvas = document.getElementById('ts-popover-canvas');
if (canvas && window.Chart) {
const valid = tsMeasurements
.filter(m => m.timestamp != null && m.value != null)
.map(m => ({ ...m, timestamp: typeof m.timestamp === 'number' ? m.timestamp : new Date(m.timestamp).getTime() }))
.sort((a, b) => a.timestamp - b.timestamp);
const datasets = [];
// Error band (lower + upper with fill between)
const withErrors = valid.filter(m => m.error != null && m.error > 0);
if (withErrors.length > 0) {
datasets.push({
data: withErrors.map(m => ({ x: m.timestamp, y: m.value - m.error })),
borderColor: 'rgba(59,130,246,0.3)',
backgroundColor: 'rgba(59,130,246,0.15)',
pointRadius: 0,
fill: false,
tension: 0.1,
});
datasets.push({
data: withErrors.map(m => ({ x: m.timestamp, y: m.value + m.error })),
borderColor: 'rgba(59,130,246,0.3)',
backgroundColor: 'rgba(59,130,246,0.15)',
pointRadius: 0,
fill: '-1',
tension: 0.1,
});
}
// Main value line
datasets.push({
data: valid.map(m => ({ x: m.timestamp, y: m.value })),
borderColor: 'rgb(59,130,246)',
pointRadius: 0,
tension: 0.1,
fill: false,
});
new Chart(canvas.getContext('2d'), {
type: 'line',
data: { datasets },
options: {
responsive: true,
maintainAspectRatio: false,
plugins: {
legend: { display: false },
tooltip: { enabled: false },
},
scales: {
x: {
type: 'linear',
ticks: { font: { size: 10 } },
title: { display: false },
},
y: {
ticks: { font: { size: 10 } },
title: { display: false },
},
},
},
});
}
}, 0);
return popupContent;
}
if (n.stereo_removed) {
popupContent += "<span class='alert alert-warning alert-soft'>Removed stereochemistry for prediction</span>";
}
popupContent += "<a href='" + n.url + "'>" + n.name + "</a><br>";
popupContent += "Depth " + n.depth + "<br>"
if (appDomainViewEnabled) {
if (n.app_domain != null) {
popupContent += "This compound is " + (n.app_domain['inside_app_domain'] ? "inside" : "outside") + " the Applicability Domain derived from the chemical (PCA) space constructed using the training data." + "<br>"
if (n.app_domain['uncovered_functional_groups']) {
popupContent += "Compound contains functional groups not covered by the training set <br>"
}
}
}
if (predictedPropertyViewEnabled) {
var tempContent = "";
if (Object.keys(n.predicted_properties).length > 0) {
if ("PepperPrediction" in n.predicted_properties) {
// TODO needs to be generic once we store it as AddInf
for (var s of n.predicted_properties["PepperPrediction"]) {
if (s["mean"] != null) {
tempContent += "<b>DT50 predicted via Pepper:</b> " + s["mean"].toFixed(2) + " days<br>"
}
}
}
}
if (tempContent === "") {
tempContent = "<b>No predicted properties for this Node</b><br>";
}
popupContent += tempContent
}
popupContent += "<img src='" + n.image + "'><br>"
if (n.scenarios.length > 0) {
popupContent += '<b>Half-lives and related scenarios:</b><br>'
for (var s of n.scenarios) {
popupContent += "<a href='" + s.url + "'>" + s.name + "</a><br>";
}
}
var isLeaf = pathway.links.filter(obj => obj.source.id === n.id).length === 0;
if (pathway.isIncremental && isLeaf) {
popupContent += '<br><a class="btn btn-primary btn-sm mt-2" onclick="predictFromNode(\'' + n.url + '\')" href="#">Predict from here</a><br>';
}
return popupContent;
}
function edge_popup(e) {
popupContent = "<a href='" + e.url + "'>" + e.name + "</a><br><br>";
if (e.reaction.rules) {
for (var rule of e.reaction.rules) {
popupContent += "Rule <a href='" + rule.url + "'>" + rule.name + "</a><br>";
}
}
if (e.app_domain) {
adcontent = "<p>";
if (e.app_domain["times_triggered"]) {
adcontent += "This rule triggered " + e.app_domain["times_triggered"] + " times in the training set<br>";
}
adcontent += "Reliability " + e.app_domain["reliability"].toFixed(2) + " (" + (e.app_domain["reliability"] > e.app_domain["reliability_threshold"] ? "&gt" : "&lt") + " Reliability Threshold of " + e.app_domain["reliability_threshold"] + ")<br>";
adcontent += "Local Compatibility " + e.app_domain["local_compatibility"].toFixed(2) + " (" + (e.app_domain["local_compatibility"] > e.app_domain["local_compatibility_threshold"] ? "&gt" : "&lt") + " Local Compatibility Threshold of " + e.app_domain["local_compatibility_threshold"] + ")<br>";
adcontent += "</p>";
popupContent += adcontent;
}
popupContent += "<img src='" + e.image + "'><br>"
if (e.reaction_probability) {
popupContent += '<b>Probability:</b><br>' + e.reaction_probability.toFixed(3) + '<br>';
}
if (e.scenarios.length > 0) {
popupContent += '<b>Half-lives and related scenarios:</b><br>'
for (var s of e.scenarios) {
popupContent += "<a href='" + s.url + "'>" + s.name + "</a><br>";
}
}
return popupContent;
}
var clientX;
var clientY;
document.addEventListener('mousemove', function (event) {
clientX = event.clientX;
clientY = event.clientY;
});
const zoomable = d3.select("#zoomable");
const svg = d3.select("#pwsvg");
const container = d3.select("#vizdiv");
// Set explicit SVG dimensions for proper zoom behavior
svg.attr("width", width)
.attr("height", height);
// Add background rectangle FIRST to enable pan/zoom on empty space
// This must be inserted before zoomable group so it's behind everything
svg.insert("rect", "#zoomable")
.attr("x", 0)
.attr("y", 0)
.attr("width", width)
.attr("height", height)
.attr("fill", "transparent")
.attr("pointer-events", "all")
.style("cursor", "grab");
// Zoom Funktion aktivieren
const zoom = d3.zoom()
.scaleExtent([0.5, 5])
.on("zoom", (event) => {
zoomable.attr("transform", event.transform);
})
// Apply zoom to the SVG element - this enables wheel zoom
svg.call(zoom);
svg.call(zoom.scaleBy, initialzoom);
// Also apply zoom to container to catch events that might not reach SVG
// This ensures drag-to-pan works even when clicking on empty space
container.call(zoom);
nodes = pathway['nodes'];
links = pathway['links'];
// Use "max" depth for a neater viz
nodes.forEach(n => {
const parents = links
.filter(l => l.target === n.id)
.map(l => l.source);
orig_depth = n.depth
// console.log(n.id, parents)
for (idx in parents) {
p = nodes[parents[idx]]
// console.log(p.depth)
// if (p.depth >= n.depth) {
// // keep the .5 steps for pseudo nodes
// n.depth = n.pseudo ? p.depth + 1 : Math.floor(p.depth + 1);
// // console.log("Adjusting", orig_depth, Math.floor(p.depth + 1));
// }
}
});
assignPositions(nodes);
const simulation = d3.forceSimulation(nodes)
.force("link", d3.forceLink(links).id(d => d.id).distance(linkDistance))
.force("charge", d3.forceManyBody().strength(chargeStrength))
.force("center", d3.forceCenter(width / 2, height / 4))
.on("tick", ticked);
// Kanten zeichnen
const link = zoomable.append("g")
.selectAll("path")
.data(links)
.enter().append("path")
// Check if target is pseudo and draw marker only if not pseudo
.attr("class", d => d.target.pseudo ? "link_no_arrow" : "link")
.attr("marker-end", d => {
if (d.target.pseudo) return '';
if (d.source.id === d.target.id) return 'url(#curve-arrow)'; // Use curve arrow for self-loops
return d.multi_step ? 'url(#doublearrow)' : 'url(#arrow)';
})
.attr("fill", "none")
.on("click", function(event, d) {
const wasHighlighted = d3.select(this).classed("highlighted");
d3.selectAll("path").classed("highlighted", false);
if (!wasHighlighted) {
const toHighlight = [];
toHighlight.push(d.el);
if (d.source.pseudo || d.target.pseudo) {
if (d.target.pseudo) {
d3.selectAll("path").each(e => {
if (e !== undefined && e.source.id === d.target.id) {
toHighlight.push(e.el);
}
});
} else {
d3.selectAll("path").each(e => {
if (e !== undefined && (e.target.id === d.source.id || e.source.id === d.source.id)) {
toHighlight.push(e.el);
}
});
}
}
for (const e of toHighlight) {
d3.select(e).classed("highlighted", true);
}
}
})
// add element to links array
link.each(function (d) {
d.el = this; // attach the DOM element to the data object
});
pop_add(link, "Reaction", edge_popup);
// Knoten zeichnen
const node = zoomable.append("g")
.selectAll("g")
.data(nodes)
.enter().append("g")
.call(d3.drag()
.on("start", dragstarted)
.on("drag", dragged)
.on("end", dragended))
.on("click", function (event, d) {
const wasHighlighted = d3.select(this).select("circle").classed("highlighted");
d3.selectAll('circle.highlighted').classed('highlighted', false);
if (!wasHighlighted) {
d3.select(this).select("circle").classed("highlighted", !d3.select(this).select("circle").classed("highlighted"));
}
})
// Kreise für die Knoten hinzufügen
node.append("circle")
// make radius "invisible" for pseudo nodes
.attr("r", d => d.pseudo ? 0.01 : nodeRadius)
.style("fill", d => d.is_engineered_intermediate ? "#42eff5" : "#e8e8e8");
// Add image only for non pseudo nodes
node.filter(d => !d.pseudo).each(function (d, i) {
const g = d3.select(this);
if (d.image_type === "svg") {
// Parse the SVG string
const parser = new DOMParser();
const svgDoc = parser.parseFromString(d.image_svg, "image/svg+xml");
const svgElem = svgDoc.documentElement;
// Create a unique prefix per node
const prefix = `node-${i}-`;
// Rename all IDs and fix <use> references
svgElem.querySelectorAll("[id]").forEach(el => {
const oldId = el.id;
const newId = prefix + oldId;
el.id = newId;
const XLINK_NS = "http://www.w3.org/1999/xlink";
// Update <use> elements that reference this old ID
const uses = Array.from(svgElem.querySelectorAll("use")).filter(
u => u.getAttributeNS(XLINK_NS, "href") === `#${oldId}`
);
uses.forEach(u => {
u.setAttributeNS(XLINK_NS, "href", `#${newId}`);
});
});
g.node().appendChild(svgElem);
const vb = svgElem.viewBox.baseVal;
const svgWidth = vb.width || 40;
const svgHeight = vb.height || 40;
const scale = (nodeRadius * 2) / Math.max(svgWidth, svgHeight);
g.select("svg")
.attr("width", svgWidth * scale)
.attr("height", svgHeight * scale)
.attr("x", -svgWidth * scale / 2)
.attr("y", -svgHeight * scale / 2);
} else {
// We have a image type different than svg
// include it via img url
g.append("svg:image")
.attr("xlink:href", d.image)
.attr("width", 40)
.attr("height", 40)
.attr("x", -20)
.attr("y", -20);
}
});
// add element to nodes array
node.each(function (d) {
d.el = this; // attach the DOM element to the data object
});
pop_add(node, "Compound", node_popup);
}
function serializeSVG(svgElement) {
svgElement.querySelectorAll("line.link").forEach(line => {
const style = getComputedStyle(line);
line.setAttribute("stroke", style.stroke);
line.setAttribute("stroke-width", style.strokeWidth);
line.setAttribute("fill", style.fill);
});
svgElement.querySelectorAll("line.link_no_arrow").forEach(line => {
const style = getComputedStyle(line);
line.setAttribute("stroke", style.stroke);
line.setAttribute("stroke-width", style.strokeWidth);
line.setAttribute("fill", style.fill);
});
const serializer = new XMLSerializer();
let svgString = serializer.serializeToString(svgElement);
// Add namespace if missing
if (!svgString.includes('xmlns="http://www.w3.org/2000/svg"')) {
svgString = svgString.replace('<svg', '<svg xmlns="http://www.w3.org/2000/svg"');
}
return svgString;
}
function shrinkSVG(svgSelector) {
const svg = d3.select(svgSelector);
const node = svg.node();
// Compute bounding box of everything inside the SVG
const bbox = node.getBBox();
const padding = 10;
svg.attr("viewBox",
`${bbox.x - padding} ${bbox.y - padding} ${bbox.width + 2 * padding} ${bbox.height + 2 * padding}`
)
.attr("width", bbox.width + 2 * padding)
.attr("height", bbox.height + 2 * padding);
return bbox;
}
function downloadSVG(svgElement, filename = 'chart.svg') {
shrinkSVG("#" + svgElement.id);
const svgString = serializeSVG(svgElement);
const blob = new Blob([svgString], {type: 'image/svg+xml;charset=utf-8'});
const url = URL.createObjectURL(blob);
const link = document.createElement('a');
link.href = url;
link.download = filename;
document.body.appendChild(link);
link.click();
document.body.removeChild(link);
URL.revokeObjectURL(url);
}