50 lines
2.1 KiB
Plaintext
50 lines
2.1 KiB
Plaintext
import type { EditorSelection, SelectionRange, Line } from '@codemirror/state';
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import type { ViewUpdate } from '@codemirror/view';
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export interface Statistics {
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/** total length of the document */
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length: number;
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/** Get the number of lines in the editor. */
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lineCount: number;
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/** Get the currently line description around the given position. */
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line: Line;
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/** Get the proper [line-break](https://codemirror.net/docs/ref/#state.EditorState^lineSeparator) string for this state. */
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lineBreak: string;
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/** Returns true when the editor is [configured](https://codemirror.net/6/docs/ref/#state.EditorState^readOnly) to be read-only. */
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readOnly: boolean;
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/** The size (in columns) of a tab in the document, determined by the [`tabSize`](https://codemirror.net/6/docs/ref/#state.EditorState^tabSize) facet. */
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tabSize: number;
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/** Cursor Position */
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selection: EditorSelection;
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/** Make sure the selection only has one range. */
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selectionAsSingle: SelectionRange;
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/** Retrieves a list of all current selections. */
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ranges: readonly SelectionRange[];
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/** Get the currently selected code. */
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selectionCode: string;
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/**
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* The length of the given array should be the same as the number of active selections.
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* Replaces the content of the selections with the strings in the array.
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*/
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selections: string[];
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/** Return true if any text is selected. */
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selectedText: boolean;
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}
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export const getStatistics = (view: ViewUpdate): Statistics => {
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return {
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line: view.state.doc.lineAt(view.state.selection.main.from),
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lineCount: view.state.doc.lines,
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lineBreak: view.state.lineBreak,
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length: view.state.doc.length,
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readOnly: view.state.readOnly,
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tabSize: view.state.tabSize,
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selection: view.state.selection,
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selectionAsSingle: view.state.selection.asSingle().main,
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ranges: view.state.selection.ranges,
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selectionCode: view.state.sliceDoc(view.state.selection.main.from, view.state.selection.main.to),
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selections: view.state.selection.ranges.map((r) => view.state.sliceDoc(r.from, r.to)),
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selectedText: view.state.selection.ranges.some((r) => !r.empty),
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};
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};
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