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37c3cd1117
* Start moving emmet to strict mode First part of moving the emmet extension to strict mode TypeScript. This change focuses on adding annotations when things can be undefined and removing jsdoc type comments * Fix a few more errors * Fix compile errors * Tiny updates
73 lines
2.8 KiB
TypeScript
73 lines
2.8 KiB
TypeScript
/*---------------------------------------------------------------------------------------------
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* Copyright (c) Microsoft Corporation. All rights reserved.
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* Licensed under the MIT License. See License.txt in the project root for license information.
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*--------------------------------------------------------------------------------------------*/
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import * as vscode from 'vscode';
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import { validate } from './util';
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export function fetchEditPoint(direction: string): void {
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if (!validate() || !vscode.window.activeTextEditor) {
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return;
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}
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const editor = vscode.window.activeTextEditor;
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let newSelections: vscode.Selection[] = [];
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editor.selections.forEach(selection => {
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let updatedSelection = direction === 'next' ? nextEditPoint(selection, editor) : prevEditPoint(selection, editor);
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newSelections.push(updatedSelection);
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});
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editor.selections = newSelections;
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editor.revealRange(editor.selections[editor.selections.length - 1]);
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}
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function nextEditPoint(selection: vscode.Selection, editor: vscode.TextEditor): vscode.Selection {
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for (let lineNum = selection.anchor.line; lineNum < editor.document.lineCount; lineNum++) {
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let updatedSelection = findEditPoint(lineNum, editor, selection.anchor, 'next');
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if (updatedSelection) {
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return updatedSelection;
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}
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}
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return selection;
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}
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function prevEditPoint(selection: vscode.Selection, editor: vscode.TextEditor): vscode.Selection {
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for (let lineNum = selection.anchor.line; lineNum >= 0; lineNum--) {
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let updatedSelection = findEditPoint(lineNum, editor, selection.anchor, 'prev');
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if (updatedSelection) {
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return updatedSelection;
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}
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}
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return selection;
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}
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function findEditPoint(lineNum: number, editor: vscode.TextEditor, position: vscode.Position, direction: string): vscode.Selection | undefined {
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let line = editor.document.lineAt(lineNum);
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let lineContent = line.text;
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if (lineNum !== position.line && line.isEmptyOrWhitespace) {
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return new vscode.Selection(lineNum, lineContent.length, lineNum, lineContent.length);
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}
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if (lineNum === position.line && direction === 'prev') {
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lineContent = lineContent.substr(0, position.character);
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}
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let emptyAttrIndex = direction === 'next' ? lineContent.indexOf('""', lineNum === position.line ? position.character : 0) : lineContent.lastIndexOf('""');
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let emptyTagIndex = direction === 'next' ? lineContent.indexOf('><', lineNum === position.line ? position.character : 0) : lineContent.lastIndexOf('><');
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let winner = -1;
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if (emptyAttrIndex > -1 && emptyTagIndex > -1) {
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winner = direction === 'next' ? Math.min(emptyAttrIndex, emptyTagIndex) : Math.max(emptyAttrIndex, emptyTagIndex);
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} else if (emptyAttrIndex > -1) {
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winner = emptyAttrIndex;
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} else {
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winner = emptyTagIndex;
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}
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if (winner > -1) {
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return new vscode.Selection(lineNum, winner + 1, lineNum, winner + 1);
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}
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}
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