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Path Box widely supported, Replace/Insert in Path are deprecated (but polyfilled)

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JFH
2021-09-20 08:24:18 +02:00
parent e8d59904f7
commit e92ccd0444
7 changed files with 10 additions and 157 deletions
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56
src/common/browser.js
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@@ -6,8 +6,6 @@
* @copyright 2010 Jeff Schiller, 2010 Alexis Deveria
*/
import 'pathseg';
import { NS } from './namespaces.js';
const { userAgent } = navigator;
@@ -19,31 +17,6 @@ const isChrome_ = userAgent.includes('Chrome/');
const isMac_ = userAgent.includes('Macintosh');
const isTouch_ = 'ontouchstart' in window;
// segList functions (for FF1.5 and 2.0)
const supportsPathReplaceItem_ = (function () {
const path = document.createElementNS(NS.SVG, 'path');
path.setAttribute('d', 'M0,0 10,10');
const seglist = path.pathSegList;
const seg = path.createSVGPathSegLinetoAbs(5, 5);
try {
seglist.replaceItem(seg, 1);
return true;
}catch (err) {/* empty */}
return false;
}());
const supportsPathInsertItemBefore_ = (function () {
const path = document.createElementNS(NS.SVG, 'path');
path.setAttribute('d', 'M0,0 10,10');
const seglist = path.pathSegList;
const seg = path.createSVGPathSegLinetoAbs(5, 5);
try {
seglist.insertItemBefore(seg, 1);
return true;
}catch (err) {/* empty */}
return false;
}());
// text character positioning (for IE9 and now Chrome)
const supportsGoodTextCharPos_ = (function () {
const svgroot = document.createElementNS(NS.SVG, 'svg');
@@ -64,17 +37,6 @@ const supportsGoodTextCharPos_ = (function () {
}
}());
const supportsPathBBox_ = (function () {
const svgcontent = document.createElementNS(NS.SVG, 'svg');
document.documentElement.append(svgcontent);
const path = document.createElementNS(NS.SVG, 'path');
path.setAttribute('d', 'M0,0 C0,0 10,10 10,0');
svgcontent.append(path);
const bbox = path.getBBox();
svgcontent.remove();
return (bbox.height > 4 && bbox.height < 5);
}());
// Support for correct bbox sizing on groups with horizontal/vertical lines
const supportsHVLineContainerBBox_ = (function () {
const svgcontent = document.createElementNS(NS.SVG, 'svg');
@@ -127,24 +89,6 @@ export const isMac = () => isMac_;
*/
export const isTouch = () => isTouch_;
/**
* @function module:browser.supportsPathReplaceItem
* @returns {boolean}
*/
export const supportsPathReplaceItem = () => supportsPathReplaceItem_;
/**
* @function module:browser.supportsPathInsertItemBefore
* @returns {boolean}
*/
export const supportsPathInsertItemBefore = () => supportsPathInsertItemBefore_;
/**
* @function module:browser.supportsPathBBox
* @returns {boolean}
*/
export const supportsPathBBox = () => supportsPathBBox_;
/**
* @function module:browser.supportsHVLineContainerBBox
* @returns {boolean}