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[WIP] Tab indentation completion #22

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[WIP] Tab indentation completion #22

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26 changes: 26 additions & 0 deletions lib/__tests__/handle-tab.test.js
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Original file line number Diff line number Diff line change
Expand Up @@ -61,3 +61,29 @@ it('should replace selected content with the tab', () => {
expect(toPlainText(before)).toEqual(initialText);
expect(toPlainText(after)).toEqual(tabs(1));
});

it('should match the indentation of the previous line', () => {
const evt = { preventDefault: jest.fn() };
const initialText = `${tabs(2)}const a = 'b';\n`;

const currentContent = ContentState.createFromText(initialText);
// " const a = 'b'
// "
// ^ cursor here (on second line/in second block)
const cursorOnSecondLine = SelectionState.createEmpty(
currentContent
.getBlockMap()
.last()
.getKey()
);
const before = EditorState.create({
allowUndo: true,
currentContent,
// Focus the entire initial word
selection: cursorOnSecondLine
});

const after = handleTab(evt, before);
expect(toPlainText(before)).toEqual(initialText);
expect(toPlainText(after)).toEqual(initialText + tabs(2));
});