Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 | 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 118x 118x 118x 118x 118x 118x 118x 118x 118x 118x 2x 2x 118x 118x 118x 118x 118x 11x 11x 11x 11x 11x | /**
* @license Apache-2.0
*
* Copyright (c) 2019 The Stdlib Authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/* eslint-disable no-underscore-dangle */
'use strict';
// MODULES //
var repeat = require( '@stdlib/string/repeat' );
var leadingWhitespaceRegExp = require( './regexp_leading_whitespace.js' );
// MAIN //
/**
* Displays a command prompt.
*
* @private
* @param {REPL} repl - REPL instance
* @param {boolean} [preserveCursor=false] - boolean indicating whether to preserve the cursor position
* @returns {void}
*/
function displayPrompt( repl, preserveCursor ) {
var len;
var re;
var ws;
// Avoid displaying a prompt if the REPL is currently in paging mode...
if ( repl._ostream.isPaging || repl._isCapturingKeybinding ) {
return;
}
len = repl._cmd.length;
if ( len === 0 ) {
if ( repl._padding && repl._count >= 0 ) {
repl._ostream.write( repeat( '\n', repl._padding ) );
}
repl._rli.setPrompt( repl._prompt() );
repl._rli.prompt( preserveCursor );
return;
}
repl._rli.setPrompt( '' );
repl._rli.prompt( preserveCursor );
// Prepend the leading whitespace of the previous line:
re = leadingWhitespaceRegExp();
ws = repl._cmd[ len-1 ].match( re );
if ( ws ) {
repl._rli.write( ws[ 0 ] );
}
}
// EXPORTS //
module.exports = displayPrompt;
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