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readline: Improve Unicode handling #25723

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readline: Improve Unicode handling #25723

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26f5fc5
readline: improve Unicode handling
Avi-D-coder Jan 26, 2019
c0c7f58
readline: improve Unicode handling performance
Avi-D-coder Jan 29, 2019
756ebea
readline: use built in codePointAt
Avi-D-coder Feb 6, 2019
200560c
readline: fix ctrl + f/b Unicode handling
Avi-D-coder Feb 7, 2019
0639c1b
readline: remove redundant codePointLen function
Avi-D-coder Feb 7, 2019
1b9ea93
readline: fix tests failing without internationalization
Avi-D-coder Feb 18, 2019
e649085
readline: handle 𐀀 character correctly
Avi-D-coder Feb 20, 2019
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readline: fix tests failing without internationalization
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@Avi-D-coder
Avi-D-coder committed Feb 19, 2019
commit 1b9ea9352ffdee24ccddd0f12ca1e18db4c8ddcc
36 changes: 30 additions & 6 deletions test/parallel/test-readline-interface.js
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Original file line number Diff line number Diff line change
Expand Up @@ -671,7 +671,11 @@ function isWarned(emitter) {
fi.emit('keypress', '.', { name: 'right' });
cursorPos = rli._getCursorPos();
assert.strictEqual(cursorPos.rows, 0);
assert.strictEqual(cursorPos.cols, 2);
if (common.hasIntl) {
assert.strictEqual(cursorPos.cols, 2);
} else {
assert.strictEqual(cursorPos.cols, 1);
}

rli.on('line', common.mustCall((line) => {
assert.strictEqual(line, 'πŸ’»');
Expand Down Expand Up @@ -700,7 +704,14 @@ function isWarned(emitter) {
fi.emit('data', 'πŸ•');
cursorPos = rli._getCursorPos();
assert.strictEqual(cursorPos.rows, 0);
assert.strictEqual(cursorPos.cols, 2);

if (common.hasIntl) {
assert.strictEqual(cursorPos.cols, 2);
} else {
assert.strictEqual(cursorPos.cols, 1);
// fix cursor position without internationalization
fi.emit('keypress', '.', { name: 'left' });
}

rli.on('line', common.mustCall((line) => {
assert.strictEqual(line, 'πŸ•πŸ’»');
Expand All @@ -724,12 +735,22 @@ function isWarned(emitter) {
fi.emit('keypress', '.', { name: 'right' });
let cursorPos = rli._getCursorPos();
assert.strictEqual(cursorPos.rows, 0);
assert.strictEqual(cursorPos.cols, 2);
if (common.hasIntl) {
assert.strictEqual(cursorPos.cols, 2);
} else {
assert.strictEqual(cursorPos.cols, 1);
// fix cursor position without internationalization
fi.emit('keypress', '.', { name: 'right' });
}

fi.emit('data', 'πŸ•');
cursorPos = rli._getCursorPos();
assert.strictEqual(cursorPos.rows, 0);
assert.strictEqual(cursorPos.cols, 4);
if (common.hasIntl) {
assert.strictEqual(cursorPos.cols, 4);
} else {
assert.strictEqual(cursorPos.cols, 2);
}

rli.on('line', common.mustCall((line) => {
assert.strictEqual(line, 'πŸ’»πŸ•');
Expand Down Expand Up @@ -891,8 +912,11 @@ function isWarned(emitter) {
fi.emit('data', 'πŸ’»');
let cursorPos = rli._getCursorPos();
assert.strictEqual(cursorPos.rows, 0);
assert.strictEqual(cursorPos.cols, 2);

if (common.hasIntl) {
assert.strictEqual(cursorPos.cols, 2);
} else {
assert.strictEqual(cursorPos.cols, 1);
}
// Delete left character
fi.emit('keypress', '.', { ctrl: true, name: 'h' });
cursorPos = rli._getCursorPos();
Expand Down