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Emmet polish

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This commit is contained in:
Raymond Zhao 2020-12-29 16:33:41 -08:00
parent 15ba9aee0e
commit 15561c4139
1 changed files with 2 additions and 4 deletions
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6
extensions/emmet/src/evaluateMathExpression.ts
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@ -7,7 +7,6 @@
import * as vscode from 'vscode';
import evaluate, { extract } from '@emmetio/math-expression';
import { DocumentStreamReader } from './bufferStream';
export function evaluateMathExpression(): Thenable<boolean> {
if (!vscode.window.activeTextEditor) {
@ -15,13 +14,12 @@ export function evaluateMathExpression(): Thenable<boolean> {
return Promise.resolve(false);
}
const editor = vscode.window.activeTextEditor;
const stream = new DocumentStreamReader(editor.document);
return editor.edit(editBuilder => {
editor.selections.forEach(selection => {
// startpos always comes before endpos
const startpos = selection.isReversed ? selection.active : selection.anchor;
const endpos = selection.isReversed ? selection.anchor : selection.active;
const selectionText = stream.substring(startpos, endpos);
const selectionText = editor.document.getText(new vscode.Range(startpos, endpos));
try {
if (selectionText) {
@ -30,7 +28,7 @@ export function evaluateMathExpression(): Thenable<boolean> {
editBuilder.replace(new vscode.Range(startpos, endpos), result);
} else {
// no selection made, extract expression from line
const lineToSelectionEnd = stream.substring(new vscode.Position(selection.end.line, 0), endpos);
const lineToSelectionEnd = editor.document.getText(new vscode.Range(new vscode.Position(selection.end.line, 0), endpos));
const extractedIndices = extract(lineToSelectionEnd);
if (!extractedIndices) {
throw new Error('Invalid extracted indices');