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repl: add reverse search #31006

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BridgeAR wants to merge 8 commits into from
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repl: add reverse search #31006

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e997e86
repl: fix preview of lines that exceed the terminal columns
BridgeAR Dec 17, 2019
be0fe19
repl: implement reverse search
BridgeAR Dec 16, 2019
4a41ffc
readline: small refactoring
BridgeAR Dec 17, 2019
7f38f0a
readline: set null as callback return in case there's no error
BridgeAR Dec 18, 2019
415d5a1
fixup: repl - fix very long search line
BridgeAR Dec 19, 2019
19ded67
fixup: add big todo comment
BridgeAR Dec 19, 2019
29fcab9
fixup: address comments
BridgeAR Dec 20, 2019
f3387ad
fixup: document the reverse-i-search
BridgeAR Dec 21, 2019
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fixup: repl - fix very long search line
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@BridgeAR
BridgeAR committed Dec 19, 2019
commit 415d5a16ee87eed6f7ca13ecca2f8afad7964904
5 changes: 3 additions & 2 deletions lib/internal/repl/utils.js
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Original file line number Diff line number Diff line change
Expand Up @@ -532,10 +532,11 @@ function setupReverseSearch(repl) {
const cursorPos = repl._getDisplayPos(cursorLine);
const outputPos = repl._getDisplayPos(`${prompt}${outputLine}`);
const inputPos = repl._getDisplayPos(inputLine);
const inputRows = inputPos.rows - (inputPos.cols === 0 ? 1 : 0);

const rowModifier = -1 - inputPos.rows - (outputPos.rows - cursorPos.rows);
rows = -1 - inputRows - (outputPos.rows - cursorPos.rows);

moveCursor(repl.output, 0, rowModifier);
moveCursor(repl.output, 0, rows);
cursorTo(repl.output, cursorPos.cols);
}

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