changelog and build with fixes

Author: linev

build/jsroot.js

@@ -1,4 +1,4 @@
-// https://root.cern/js/ v7.8.1
+// https://root.cern/js/ v7.8.2
 (function (global, factory) {
 typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
 typeof define === 'function' && define.amd ? define(['exports'], factory) :
@@ -8,11 +8,11 @@ typeof define === 'function' && define.amd ? define(['exports'], factory) :
 var _documentCurrentScript = typeof document !== 'undefined' ? document.currentScript : null;
 /** @summary version id
   * @desc For the JSROOT release the string in format 'major.minor.patch' like '7.0.0' */
-const version_id = '7.8.1',
+const version_id = '7.8.x',
 
 /** @summary version date
   * @desc Release date in format day/month/year like '14/04/2022' */
-version_date = '22/01/2025',
+version_date = '10/03/2025',
 
 /** @summary version id and date
   * @desc Produced by concatenation of {@link version_id} and {@link version_date}
@@ -9325,7 +9325,7 @@ async function loadFontFile(fname) {
 
    if (entry?.promises !== undefined) {
       return new Promise(resolveFunc => {
-         cfg.promises.push(resolveFunc);
+         entry.promises.push(resolveFunc);
       });
    }
 
@@ -69361,8 +69361,10 @@ class TPadPainter extends ObjectPainter {
       this.createAttFill({ attr: this.pad });
 
       if ((rect.width <= lmt) || (rect.height <= lmt)) {
-         svg.style('display', 'none');
-         console.warn(`Hide canvas while geometry too small w=${rect.width} h=${rect.height}`);
+         if (this.snapid === undefined) {
+            svg.style('display', 'none');
+            console.warn(`Hide canvas while geometry too small w=${rect.width} h=${rect.height}`);
+         }
          if (this._pad_width && this._pad_height) {
             // use last valid dimensions
             rect.width = this._pad_width;
@@ -70558,7 +70560,7 @@ class TPadPainter extends ObjectPainter {
 
          const mainid = this.selectDom().attr('id');
 
-         if (!this.isBatchMode() && !this.use_openui && !this.brlayout && mainid && isStr(mainid) && !getHPainter()) {
+         if (!this.isBatchMode() && this.online_canvas && !this.use_openui && !this.brlayout && mainid && isStr(mainid) && !getHPainter()) {
             this.brlayout = new BrowserLayout(mainid, null, this);
             this.brlayout.create(mainid, true);
             this.setDom(this.brlayout.drawing_divid()); // need to create canvas
@@ -85231,16 +85233,16 @@ function createNormal(axis_name, pos, size) {
    return new Geometry(node);
 }
 
-const cfg$1 = {
+const cfg = {
    GradPerSegm: 6,       // grad per segment in cylinder/spherical symmetry shapes
    CompressComp: true    // use faces compression in composite shapes
 };
 
 function geoCfg(name, value) {
    if (value === undefined)
-      return cfg$1[name];
+      return cfg[name];
 
-   cfg$1[name] = value;
+   cfg[name] = value;
 }
 
 const kindGeo = 0,    // TGeoNode / TGeoShape
@@ -86127,7 +86129,7 @@ function createTubeBuffer(shape, faces_limit) {
       thetaLength = shape.fPhi2 - shape.fPhi1;
    }
 
-   const radiusSegments = Math.max(4, Math.round(thetaLength/cfg$1.GradPerSegm));
+   const radiusSegments = Math.max(4, Math.round(thetaLength/cfg.GradPerSegm));
 
    // external surface
    let numfaces = radiusSegments * (((outerR[0] <= 0) || (outerR[1] <= 0)) ? 1 : 2);
@@ -86249,7 +86251,7 @@ function createTubeBuffer(shape, faces_limit) {
 /** @summary Creates eltu geometry
   * @private */
 function createEltuBuffer(shape, faces_limit) {
-   const radiusSegments = Math.max(4, Math.round(360/cfg$1.GradPerSegm));
+   const radiusSegments = Math.max(4, Math.round(360/cfg.GradPerSegm));
 
    if (faces_limit < 0) return radiusSegments*4;
 
@@ -86300,8 +86302,8 @@ function createEltuBuffer(shape, faces_limit) {
   * @private */
 function createTorusBuffer(shape, faces_limit) {
    const radius = shape.fR;
-   let radialSegments = Math.max(6, Math.round(360/cfg$1.GradPerSegm)),
-       tubularSegments = Math.max(8, Math.round(shape.fDphi/cfg$1.GradPerSegm)),
+   let radialSegments = Math.max(6, Math.round(360/cfg.GradPerSegm)),
+       tubularSegments = Math.max(8, Math.round(shape.fDphi/cfg.GradPerSegm)),
        numfaces = (shape.fRmin > 0 ? 4 : 2) * radialSegments * (tubularSegments + (shape.fDphi !== 360 ? 1 : 0));
 
    if (faces_limit < 0) return numfaces;
@@ -86399,7 +86401,7 @@ function createPolygonBuffer(shape, faces_limit) {
       radiusSegments = shape.fNedges;
       factor = 1.0 / Math.cos(Math.PI/180 * thetaLength / radiusSegments / 2);
    } else {
-      radiusSegments = Math.max(5, Math.round(thetaLength/cfg$1.GradPerSegm));
+      radiusSegments = Math.max(5, Math.round(thetaLength/cfg.GradPerSegm));
       factor = 1;
    }
 
@@ -86626,7 +86628,7 @@ function createXtruBuffer(shape, faces_limit) {
 /** @summary Creates para geometry
   * @private */
 function createParaboloidBuffer(shape, faces_limit) {
-   let radiusSegments = Math.max(4, Math.round(360/cfg$1.GradPerSegm)),
+   let radiusSegments = Math.max(4, Math.round(360/cfg.GradPerSegm)),
        heightSegments = 30;
 
    if (faces_limit > 0) {
@@ -86721,7 +86723,7 @@ function createHypeBuffer(shape, faces_limit) {
    if ((shape.fTin === 0) && (shape.fTout === 0))
       return createTubeBuffer(shape, faces_limit);
 
-   let radiusSegments = Math.max(4, Math.round(360/cfg$1.GradPerSegm)),
+   let radiusSegments = Math.max(4, Math.round(360/cfg.GradPerSegm)),
        heightSegments = 30,
        numfaces = radiusSegments * (heightSegments + 1) * ((shape.fRmin > 0) ? 4 : 2);
 
@@ -87094,7 +87096,7 @@ function createComposite(shape, faces_limit) {
       return geom1;
    }
 
-   let bsp1 = new Geometry(geom1, matrix1, cfg$1.CompressComp ? 0 : undefined);
+   let bsp1 = new Geometry(geom1, matrix1, cfg.CompressComp ? 0 : undefined);
 
    const bsp2 = new Geometry(geom2, matrix2, bsp1.maxid);
 
@@ -159177,9 +159179,19 @@ class RPadPainter extends RObjectPainter {
       this.createAttFill({ pattern: 1001, color: 0 });
 
       if ((rect.width <= lmt) || (rect.height <= lmt)) {
-         svg.style('display', 'none');
-         console.warn(`Hide canvas while geometry too small w=${rect.width} h=${rect.height}`);
-         rect.width = 200; rect.height = 100; // just to complete drawing
+         if (this.snapid === undefined) {
+            svg.style('display', 'none');
+            console.warn(`Hide canvas while geometry too small w=${rect.width} h=${rect.height}`);
+         }
+         if (this._pad_width && this._pad_height) {
+            // use last valid dimensions
+            rect.width = this._pad_width;
+            rect.height = this._pad_height;
+         } else {
+            // just to complete drawing.
+            rect.width = 800;
+            rect.height = 600;
+         }
       } else
          svg.style('display', null);
 
@@ -159924,7 +159936,7 @@ class RPadPainter extends RObjectPainter {
 
          const mainid = this.selectDom().attr('id');
 
-         if (!this.isBatchMode() && !this.use_openui && !this.brlayout && mainid && isStr(mainid) && !getHPainter()) {
+         if (!this.isBatchMode() && this.online_canvas && !this.use_openui && !this.brlayout && mainid && isStr(mainid) && !getHPainter()) {
             this.brlayout = new BrowserLayout(mainid, null, this);
             this.brlayout.create(mainid, true);
             this.setDom(this.brlayout.drawing_divid()); // need to create canvas

changes.md

@@ -1,5 +1,9 @@
 # JSROOT changelog
 
+## Changes in 7.8.x
+1. Fix - hidden canvas in Jupyter Lab, https://root-forum.cern.ch/t/63097/
+
+
 ## Changes in 7.8.1
 1. Fix - correctly position title according to gStyle->GetTitleAlign()
 2. Fix - tooltips on TGraphPolar

modules/core.mjs

@@ -1,10 +1,10 @@
 /** @summary version id
   * @desc For the JSROOT release the string in format 'major.minor.patch' like '7.0.0' */
-const version_id = '7.8.1',
+const version_id = '7.8.x',
 
 /** @summary version date
   * @desc Release date in format day/month/year like '14/04/2022' */
-version_date = '22/01/2025',
+version_date = '10/03/2025',
 
 /** @summary version id and date
   * @desc Produced by concatenation of {@link version_id} and {@link version_date}