impact project other fabric objs

[feng612266]

hi,i used it with a plugin in project,but i found it impacted other vue ,can limit it effect only in a fixed vue? my project itself used fabric,the plugin lib eraser_brush.mixin.js /**

• @private
• @param {CanvasRenderingContext2D} ctx Context to render on
• @param {string} property 'background' or 'overlay' */ _renderBackgroundOrOverlay: function(ctx, property) { var fill = this[property + 'Color'], object = this[property + 'Image'], v = this.viewportTransform, needsVpt = this[property + 'Vpt']; if (!fill && !object) { return; } if (fill || object) { ctx.save(); if (needsVpt) { ctx.transform(v[0], v[1], v[2], v[3], v[4], v[5]); } fill && fill.render(ctx); object && object.render(ctx); ctx.restore(); } }, this line will has error fill && fill.render(ctx);when run project after use this plugin;the log is "Uncaught (in promise) TypeError: i.render function".

[feng612266]

after i commented out this function _renderBackgroundOrOverlay,it will change origin show