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put max step length in constant

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This commit is contained in:
Bruno Windels 2019-08-01 16:10:21 +02:00
parent abde8b45d2
commit 07b2e51dce
2 changed files with 5 additions and 5 deletions
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5
src/editor/history.js
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@ -14,6 +14,8 @@ See the License for the specific language governing permissions and
limitations under the License.
*/
export const MAX_STEP_LENGTH = 10;
export default class HistoryManager {
constructor() {
this._stack = [];
@ -30,9 +32,8 @@ export default class HistoryManager {
return true;
}
if (diff.added) {
// only append after every 5th keystroke while typing
this._newlyTypedCharCount += diff.added.length;
return this._newlyTypedCharCount > 5;
return this._newlyTypedCharCount > MAX_STEP_LENGTH;
}
} else {
return true;

5
test/editor/history-test.js
View file

@ -15,7 +15,7 @@ limitations under the License.
*/
import expect from 'expect';
import HistoryManager from "../../src/editor/history";
import HistoryManager, {MAX_STEP_LENGTH} from "../../src/editor/history";
describe('editor/history', function() {
it('push, then undo', function() {
@ -77,8 +77,7 @@ describe('editor/history', function() {
expect(undoState.caret).toEqual(firstCaret);
expect(undoState.parts).toEqual(["hello"]);
expect(history.canUndo()).toEqual(false);
expect(keystrokeCount).toBeGreaterThan(2);
expect(keystrokeCount).toBeLessThan(20);
expect(keystrokeCount).toEqual(MAX_STEP_LENGTH + 1); // +1 before we type before checking
});
it('keystroke that didn\'t add a step can undo', function() {
const history = new HistoryManager();