在inline-edit-table.vue里边设置自定义的指令 v-el-height-adaptive-table="{bottomOffset: 30}"报错：Failed to resolve directive: el-height-adap

Trying to render @stdlib/plot with nanohtml

import Plot from '@stdlib/plot/ctor'
import html from 'nanohtml'
let plot = new Plot([[0,1,2]], [[0,2,1]])
document.body.appendChild(html(plot.render('html')))

getting

Uncaught (in promise) DOMException: Failed to execute 'setAttributeN

It's a nice interface, would be interesting to give potential users an impression before they compile it on their own.

![Screenshot_2019-07-04 OpenWrt - oui(4)](https://user-images.githubusercontent.com/16000931/60661188-bf48ad80-9e59-11e9-8520-cefcd043c

https://www.w3.org/TR/resize-observer-1/

In index.js, the hook falls back to using window.addEventListener('resize') if ResizeObserver is not available in the current browser. Therefore, it should be noted that you don't in fact require the polyfill to use this hook.

add_element!(mesh, elid, eltype, connectivity)
Add an element into the mesh. ´elid´ is the element id, ´eltype´ is the type of the element and ´connectivity´ is the connectivity of the element.

At least eltype needs to be defined more precisely. I guess it's a symbol :Seg2, :Tri3 and so on.