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EmptyLines.js
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73 lines (60 loc) · 1.75 KB
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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at <http://mozilla.org/MPL/2.0/>. */
import { connect } from "react-redux";
import { Component } from "react";
import { getSelectedSource, getEmptyLines } from "../../selectors";
import type { SourceRecord } from "../../types";
import { toEditorLine } from "../../utils/editor";
import "./EmptyLines.css";
type props = {
selectedSource: SourceRecord,
editor: Object,
emptyLines: Object
};
class EmptyLines extends Component {
props: props;
disableEmptyLines: Function;
componentDidMount() {
this.disableEmptyLines();
}
componentDidUpdate() {
this.disableEmptyLines();
}
componentWillUnmount() {
const { emptyLines, selectedSource, editor } = this.props;
if (!emptyLines) {
return;
}
editor.codeMirror.operation(() => {
emptyLines.forEach(emptyLine => {
const line = toEditorLine(selectedSource.get("id"), emptyLine);
editor.codeMirror.removeLineClass(line, "line", "empty-line");
});
});
}
disableEmptyLines() {
const { emptyLines, selectedSource, editor } = this.props;
if (!emptyLines) {
return;
}
editor.codeMirror.operation(() => {
emptyLines.forEach(emptyLine => {
const line = toEditorLine(selectedSource.get("id"), emptyLine);
editor.codeMirror.addLineClass(line, "line", "empty-line");
});
});
}
render() {
return null;
}
}
export default connect(state => {
const selectedSource = getSelectedSource(state);
return {
selectedSource,
emptyLines: selectedSource
? getEmptyLines(state, selectedSource.toJS())
: []
};
})(EmptyLines);