Added RegEx Replace Node

This commit is contained in:
Nicole Rappe 2025-05-01 06:27:14 -06:00
parent f4eff0619b
commit e44425dd37

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@ -0,0 +1,173 @@
////////// PROJECT FILE SEPARATION LINE ////////// CODE AFTER THIS LINE ARE FROM: <ProjectRoot>/Data/WebUI/src/nodes/Data Manipulation/Node_Regex_Replace.jsx
import React, { useEffect, useRef, useState } from "react";
import { Handle, Position, useReactFlow, useStore } from "reactflow";
if (!window.BorealisValueBus) window.BorealisValueBus = {};
if (!window.BorealisUpdateRate) window.BorealisUpdateRate = 100;
const RegexReplaceNode = ({ id, data }) => {
const edges = useStore((state) => state.edges);
const { setNodes } = useReactFlow();
const [pattern, setPattern] = useState(data?.pattern || "");
const [replacement, setReplacement] = useState(data?.replacement || "");
const [result, setResult] = useState("");
const valueRef = useRef("");
const handlePatternChange = (e) => {
const val = e.target.value;
setPattern(val);
setNodes((nds) =>
nds.map((n) =>
n.id === id ? { ...n, data: { ...n.data, pattern: val } } : n
)
);
};
const handleReplacementChange = (e) => {
const val = e.target.value;
setReplacement(val);
setNodes((nds) =>
nds.map((n) =>
n.id === id ? { ...n, data: { ...n.data, replacement: val } } : n
)
);
};
useEffect(() => {
let intervalId = null;
let currentRate = window.BorealisUpdateRate;
const runNodeLogic = () => {
const inputEdge = edges.find((e) => e.target === id);
const inputValue = inputEdge
? window.BorealisValueBus[inputEdge.source] || ""
: "";
let newVal = inputValue;
try {
const regex = new RegExp(pattern, 'g');
newVal = inputValue.replace(regex, replacement);
} catch (err) {
newVal = `[Error] ${err.message}`;
}
if (newVal !== valueRef.current) {
valueRef.current = newVal;
setResult(newVal);
window.BorealisValueBus[id] = newVal;
}
};
const startInterval = () => {
intervalId = setInterval(runNodeLogic, currentRate);
};
startInterval();
const monitor = setInterval(() => {
const newRate = window.BorealisUpdateRate;
if (newRate !== currentRate) {
clearInterval(intervalId);
currentRate = newRate;
startInterval();
}
}, 300);
return () => {
clearInterval(intervalId);
clearInterval(monitor);
};
}, [id, edges, pattern, replacement]);
return (
<div className="borealis-node">
<Handle type="target" position={Position.Left} className="borealis-handle" />
<div className="borealis-node-header">Regex Replace</div>
<div className="borealis-node-content">
<div style={{ marginBottom: "6px", fontSize: "9px", color: "#ccc" }}>
Perform regex replacement on upstream string
</div>
<label style={{ display: "block", marginBottom: "2px" }}>
Regular Expression:
</label>
<input
type="text"
value={pattern}
onChange={handlePatternChange}
placeholder="e.g. \\d+"
style={{
width: "100%",
fontSize: "9px",
background: "#1e1e1e",
color: "#ccc",
border: "1px solid #444",
borderRadius: "2px",
padding: "3px",
marginBottom: "6px"
}}
/>
<label style={{ display: "block", marginBottom: "2px" }}>
Replacement:
</label>
<input
type="text"
value={replacement}
onChange={handleReplacementChange}
placeholder="e.g. '#'
"
style={{
width: "100%",
fontSize: "9px",
background: "#1e1e1e",
color: "#ccc",
border: "1px solid #444",
borderRadius: "2px",
padding: "3px",
marginBottom: "6px"
}}
/>
<label style={{ display: "block", marginBottom: "2px" }}>
Output:
</label>
<textarea
readOnly
value={result}
rows={3}
style={{
width: "100%",
fontSize: "9px",
background: "#2a2a2a",
color: "#ccc",
border: "1px solid #444",
borderRadius: "2px",
padding: "3px",
resize: "vertical"
}}
/>
</div>
<Handle type="source" position={Position.Right} className="borealis-handle" />
</div>
);
};
export default {
type: "RegexReplace",
label: "Regex Replacer",
description: `
Perform a user-specified regular expression replacement on an input string.
- User enters a regex pattern
- User enters a replacement string
- Outputs the transformed string to downstream nodes
`.trim(),
content: "Perform regex replacement on upstream string",
component: RegexReplaceNode
};