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draft-regex
Advanced tools
These helpers are written for Draft.js to improve Editor capabilities.
npm install draft-regex
or
yarn add draft-regex
import * as React from 'react';
import { EditorState, Editor } from 'draft-js';
import { clearEmptyBlocks, clearPastedStyle, replaceTextRegex } from 'draft-regex';
type State = {
editorState: EditorState,
};
class MyEditor extends React.Component<void, State> {
state: State = {
editorState: EditorState.createEmpty(),
};
onChange = (editorState: EditorState) => {
this.setState({ editorState: clearEmptyBlocks(editorState) });
};
handlePastedText = (text: ?string, html: ?string, editorState: EditorState) => {
this.setState({ editorState: clearPastedStyle(editorState) });
};
onSave = () => {
const { editorState } = this.state;
this.setState({ editorState: replaceTextRegex(editorState) });
};
render() {
const { editorState } = this.state;
return (
<>
<Editor
editorState={editorState}
onChange={this.onChange}
handlePastedText={this.handlePastedText}
/>
<button onClick={this.onSave}>Save</button>
</>
);
}
}
All helpers are taken by EditorState and options as an argument and returned EditorState.
Prevents the ability to add blank lines more than 3 (varies in settings).
A second argument can take a number
for remove blank lines (number + 1).
function clearEmptyBlocks(editorState: EditorState, maxEmptyLines?: number = 2): EditorState
Apply regular expressions to the entire text, in the process of typing or after copy/pasting text.
A second argument can take an array of rules. typoRules
is a set of basic rules that you can not use.
All regular expressions are used once in the entire text. If you use a lot of regular expressions, the performance of the editor can drop noticeably.
function replaceTextRegex(
editorState: EditorState,
rulesArray?: Array<Rule> = typoRules,
): EditorState
The rule looks like this: { reg: new RegExp(), shift: '' }
Clears styles of copy/pasted text to those that you have.
A second argument can take an object that can contain options
.
blockTypes
is an array of strings that contains all the types of blocks that you use in your editor. This is useful if you want to clear all styles, except those you can already ask yourself.
A list of all types can be found here.
If you do not want to use all six kinds of headings, you can bring the headers to the same view using shiftHeader
.
The same applies to lists.
function clearPastedStyle(
editorState: EditorState,
options?: {
blockTypes?: Array<string>,
shiftHeader?: string,
shiftList?: string,
}
): EditorState
To improve performance, use clearPastedStyle
to handlePastedText
method, and replaceTextRegex
to save the text editor.
FAQs
Helpers for draft-js
We found that draft-regex demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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