add comments

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>
This commit is contained in:
Michael Telatynski 2018-01-23 20:28:39 +00:00
parent 9d1a3c9011
commit 22b7298542

View File

@ -30,10 +30,14 @@ export default class SyntaxHighlight extends React.Component {
this._ref = this._ref.bind(this);
}
// componentDidUpdate used here for reusability
// componentWillReceiveProps fires too early to call highlightBlock on.
componentDidUpdate() {
if (this._el) highlightBlock(this._el);
}
// call componentDidUpdate because _ref is fired on initial render
// which does not fire componentDidUpdate
_ref(el) {
this._el = el;
this.componentDidUpdate();