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src/ide/views/filters.ts

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Fred Sauer
2026-02-14 20:08:31 -08:00
parent ea058b67bb
commit 1a647d4945
1 changed files with 23 additions and 0 deletions
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src/ide/views/filters.ts Normal file
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import { EditorState, Transaction, Compartment } from "@codemirror/state";
function createTextTransformFilter(textMapFunctions: { input: ((text: string) => string) | null }) {
console.log("createTextTransformFilter", textMapFunctions);
return EditorState.transactionFilter.of((tr: Transaction) => {
if (!tr.docChanged || !tr.isUserEvent("input") || !textMapFunctions.input) return tr;
let changes: { from: number; to: number; insert: string }[] = [];
tr.changes.iterChanges((fromA, toA, fromB, toB, inserted) => {
changes.push({ from: fromA, to: toA, insert: textMapFunctions.input(inserted.toString()) });
});
return { changes, selection: tr.selection };
});
}
const textTransformFilterCompartment = new Compartment();
function createTextTransformFilterEffect(textMapFunctions: { input: ((text: string) => string) | null }) {
return textTransformFilterCompartment.reconfigure(createTextTransformFilter(textMapFunctions));
}
export { textTransformFilterCompartment, createTextTransformFilterEffect };