codemirror-languageservice/dist/text-edit.js

Integrate a Language Server Protocol compatible language service into CodeMirror

/**
 * Get the character offset of a CodeMirror text document from an LSP position.
 *
 * @param doc
 *   The CodeMirror text document for which to get the offset.
 * @param position
 *   The LSP position to get the offset of.
 * @returns
 *   The offset
 */
function getOffset(doc, position) {
    const line = doc.line(position.line + 1);
    return line.from + Math.min(position.character, line.length);
}
/**
 * Apply LSP text edits to an CodeMirror {@link EditorView}.
 *
 * @param view
 *   The view to dispatch the changes to.
 * @param edits
 *   The edits that should be applied.
 */
export function dispatchTextEdits(view, edits) {
    const changes = [];
    const { doc } = view.state;
    for (const edit of edits) {
        changes.push({
            from: getOffset(doc, edit.range.start),
            to: getOffset(doc, edit.range.end),
            insert: edit.newText
        });
    }
    view.dispatch({ changes });
}
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