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Support new placeholder syntax.

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anseki 2016-02-24 01:20:41 +09:00
parent 7b59655a9a
commit 67f3b66480
3 changed files with 63 additions and 50 deletions
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64
README.md
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@ -213,7 +213,7 @@ The `query` is handled the same as that of the [`question`](#basic_methods-quest
For example: For example:
```js ```js
menuId = readlineSync.keyIn('Hit 1...5 key :', {limit: '${1-5}'}); menuId = readlineSync.keyIn('Hit 1...5 key :', {limit: '$<1-5>'});
``` ```
### <a name="basic_methods-setdefaultoptions"></a>`setDefaultOptions` ### <a name="basic_methods-setdefaultoptions"></a>`setDefaultOptions`
@ -375,7 +375,7 @@ Accept only the key that matches value that is specified to this, ignore others.
Specify the characters as the key. All strings or Array of those are decomposed into single characters. For example, `'abcde'` or `['a', 'bc', ['d', 'e']]` are the same as `['a', 'b', 'c', 'd', 'e']`. Specify the characters as the key. All strings or Array of those are decomposed into single characters. For example, `'abcde'` or `['a', 'bc', ['d', 'e']]` are the same as `['a', 'b', 'c', 'd', 'e']`.
These strings are compared with the input. It is affected by [`caseSensitive`](#basic_options-casesensitive) option. These strings are compared with the input. It is affected by [`caseSensitive`](#basic_options-casesensitive) option.
The [placeholders](#placeholders) like `'${a-e}'` are replaced to an Array that is the character list like `['a', 'b', 'c', 'd', 'e']`. The [placeholders](#placeholders) like `'$<a-e>'` are replaced to an Array that is the character list like `['a', 'b', 'c', 'd', 'e']`.
For example: For example:
@ -385,14 +385,14 @@ direction = readlineSync.keyIn('Left or Right? :', {limit: 'lr'}); // 'l' or 'r'
```js ```js
dice = readlineSync.keyIn('Roll the dice, What will the result be? :', dice = readlineSync.keyIn('Roll the dice, What will the result be? :',
{limit: '${1-6}'}); // range of '1' to '6' {limit: '$<1-6>'}); // range of '1' to '6'
``` ```
### <a name="basic_options-limitmessage"></a>`limitMessage` ### <a name="basic_options-limitmessage"></a>`limitMessage`
_For `question*` and `prompt*` methods only_ _For `question*` and `prompt*` methods only_
*Type:* string *Type:* string
*Default:* `'Input another, please.${( [)limit(])}'` *Default:* `'Input another, please.$<( [)limit(])>'`
Display this to the user when the [`limit`](#basic_options-limit) option is specified and the user input others. Display this to the user when the [`limit`](#basic_options-limit) option is specified and the user input others.
The [placeholders](#placeholders) can be included. The [placeholders](#placeholders) can be included.
@ -402,7 +402,7 @@ For example:
```js ```js
file = readlineSync.question('Name of Text File :', { file = readlineSync.question('Name of Text File :', {
limit: /\.txt$/i, limit: /\.txt$/i,
limitMessage: 'Sorry, ${lastInput} is not text file.' limitMessage: 'Sorry, $<lastInput> is not text file.'
}); });
``` ```
@ -720,7 +720,7 @@ The following options have independent default value that is not affected by [De
|-------------------|---------------| |-------------------|---------------|
| [`hideEchoBack`](#basic_options-hideechoback) | `true` | | [`hideEchoBack`](#basic_options-hideechoback) | `true` |
| [`mask`](#basic_options-mask) | `'*'` | | [`mask`](#basic_options-mask) | `'*'` |
| [`limitMessage`](#basic_options-limitmessage) | `'It can include: ${charlist}\nAnd the length must be: ${length}'` | | [`limitMessage`](#basic_options-limitmessage) | `'It can include: $<charlist>\nAnd the length must be: $<length>'` |
| [`trueValue`](#basic_options-truevalue_falsevalue) | `null` | | [`trueValue`](#basic_options-truevalue_falsevalue) | `null` |
| [`falseValue`](#basic_options-truevalue_falsevalue) | `null` | | [`falseValue`](#basic_options-truevalue_falsevalue) | `null` |
| [`caseSensitive`](#basic_options-casesensitive) | `true` | | [`caseSensitive`](#basic_options-casesensitive) | `true` |
@ -736,15 +736,15 @@ And the following additional options are available.
##### <a name="utility_methods-questionnewpassword-options-charlist"></a>`charlist` ##### <a name="utility_methods-questionnewpassword-options-charlist"></a>`charlist`
*Type:* string *Type:* string
*Default:* `'${!-~}'` *Default:* `'$<!-~>'`
A string as the characters that can be included in the password. For example, if `'abc123'` is specified, the passwords that include any character other than these 6 characters are refused. A string as the characters that can be included in the password. For example, if `'abc123'` is specified, the passwords that include any character other than these 6 characters are refused.
The [placeholders](#placeholders) like `'${a-e}'` are replaced to the characters like `'abcde'`. The [placeholders](#placeholders) like `'$<a-e>'` are replaced to the characters like `'abcde'`.
For example, let the user input a password that is created with alphabet and some symbols: For example, let the user input a password that is created with alphabet and some symbols:
```js ```js
password = readlineSync.questionNewPassword('PASSWORD :', {charlist: '${a-z}#$@%'}); password = readlineSync.questionNewPassword('PASSWORD :', {charlist: '$<a-z>#$@%'});
``` ```
##### <a name="utility_methods-questionnewpassword-options-min_max"></a>`min`, `max` ##### <a name="utility_methods-questionnewpassword-options-min_max"></a>`min`, `max`
@ -887,7 +887,7 @@ The following options have independent default value that is not affected by [De
| Option Name | Default Value | | Option Name | Default Value |
|-------------------|---------------| |-------------------|---------------|
| [`hideEchoBack`](#basic_options-hideechoback) | `false` | | [`hideEchoBack`](#basic_options-hideechoback) | `false` |
| [`limitMessage`](#basic_options-limitmessage) | `'${error(\n)}Input valid path, please.${( Min:)min}${( Max:)max}'` | | [`limitMessage`](#basic_options-limitmessage) | `'$<error(\n)>Input valid path, please.$<( Min:)min>$<( Max:)max>'` |
| [`history`](#basic_options-history) | `true` | | [`history`](#basic_options-history) | `true` |
| [`cd`](#basic_options-cd) | `true` | | [`cd`](#basic_options-cd) | `true` |
@ -1449,7 +1449,7 @@ If `true` is specified, a string like `'[1...5]'` as guide for the user is added
*Default:* `'CANCEL'` *Default:* `'CANCEL'`
If a value other than `false` is specified, an item to let the user tell "cancel" is added to the item list. "[0] CANCEL" (default) is displayed, and if `0` key is pressed, `-1` is returned. If a value other than `false` is specified, an item to let the user tell "cancel" is added to the item list. "[0] CANCEL" (default) is displayed, and if `0` key is pressed, `-1` is returned.
You can specify a label of this item other than `'CANCEL'`. A string such as `'Go back'` (empty string `''` also), something that is converted to string such as `Date`, a string that includes [placeholder](#placeholders) such as `'Next ${itemsCount} items'` are accepted. You can specify a label of this item other than `'CANCEL'`. A string such as `'Go back'` (empty string `''` also), something that is converted to string such as `Date`, a string that includes [placeholder](#placeholders) such as `'Next $<itemsCount> items'` are accepted.
#### <a name="utility_methods-keyinselect-additional_placeholders"></a>Additional Placeholders #### <a name="utility_methods-keyinselect-additional_placeholders"></a>Additional Placeholders
@ -1464,7 +1464,7 @@ For example:
```js ```js
items = ['item-A', 'item-B', 'item-C', 'item-D', 'item-E']; items = ['item-A', 'item-B', 'item-C', 'item-D', 'item-E'];
index = readlineSync.keyInSelect(items, null, index = readlineSync.keyInSelect(items, null,
{cancel: 'Show more items than ${itemsCount}'}); {cancel: 'Show more items than $<itemsCount>'});
``` ```
```console ```console
@ -1483,7 +1483,7 @@ A first item in a current `items` Array.
For example: For example:
```js ```js
index = readlineSync.keyInSelect(items, 'Choose ${firstItem} or another :'); index = readlineSync.keyInSelect(items, 'Choose $<firstItem> or another :');
``` ```
##### <a name="utility_methods-keyinselect-additional_placeholders-lastitem"></a>`lastItem` ##### <a name="utility_methods-keyinselect-additional_placeholders-lastitem"></a>`lastItem`
@ -1495,7 +1495,7 @@ For example:
```js ```js
items = ['January', 'February', 'March', 'April', 'May', 'June']; items = ['January', 'February', 'March', 'April', 'May', 'June'];
index = readlineSync.keyInSelect(items, null, index = readlineSync.keyInSelect(items, null,
{cancel: 'In after ${lastItem}'}); {cancel: 'In after $<lastItem>'});
``` ```
```console ```console
@ -1519,7 +1519,7 @@ For example, the [`limitMessage`](#basic_options-limitmessage) option to display
```js ```js
command = readlineSync.prompt({ command = readlineSync.prompt({
limit: ['add', 'remove'], limit: ['add', 'remove'],
limitMessage: '${lastInput} is not available.' limitMessage: '$<lastInput> is not available.'
}); });
``` ```
@ -1538,18 +1538,18 @@ The placeholders can be included in:
### <a name="placeholders-syntax"></a>Syntax ### <a name="placeholders-syntax"></a>Syntax
``` ```
${parameter} $<parameter>
``` ```
Or Or
``` ```
${(text1)parameter(text2)} $<(text1)parameter(text2)>
``` ```
The placeholder is replaced to a string that is got by a `parameter`. The placeholder is replaced to a string that is got by a `parameter`.
Both the `(text1)` and `(text2)` are optional. Both the `(text1)` and `(text2)` are optional.
A more added `'$'` at the left of the placeholder is used as an escape character, it disables a placeholder. For example, `'$${foo}'` is replaced to `'${foo}'`. If you want to put a `'$'` which is *not* an escape character at the left of a placeholder, specify it like `'${($)bufferSize}'`, then it is replaced to `'$1024'`. A more added `'$'` at the left of the placeholder is used as an escape character, it disables a placeholder. For example, `'$$<foo>'` is replaced to `'$<foo>'`. If you want to put a `'$'` which is *not* an escape character at the left of a placeholder, specify it like `'$<($)bufferSize>'`, then it is replaced to `'$1024'`.
At the each position of `'(text1)'` and `'(text2)'`, `'text1'` and `'text2'` are put when a string that was got by a `parameter` has length more than 0. If that got string is `''`, a placeholder with or without `'(text1)'` and `'(text2)'` is replaced to `''`. At the each position of `'(text1)'` and `'(text2)'`, `'text1'` and `'text2'` are put when a string that was got by a `parameter` has length more than 0. If that got string is `''`, a placeholder with or without `'(text1)'` and `'(text2)'` is replaced to `''`.
@ -1558,7 +1558,7 @@ For example, a warning message that means that the command the user requested is
```js ```js
command = readlineSync.prompt({ command = readlineSync.prompt({
limit: ['add', 'remove'], limit: ['add', 'remove'],
limitMessage: 'Refused ${lastInput} you requested. Please input another.' limitMessage: 'Refused $<lastInput> you requested. Please input another.'
}); });
``` ```
@ -1580,7 +1580,7 @@ This goes well:
```js ```js
command = readlineSync.prompt({ command = readlineSync.prompt({
limit: ['add', 'remove'], limit: ['add', 'remove'],
limitMessage: 'Refused ${lastInput( you requested)}. Please input another.' limitMessage: 'Refused $<lastInput( you requested)>. Please input another.'
}); });
``` ```
@ -1589,7 +1589,9 @@ command = readlineSync.prompt({
Refused . Please input another. Refused . Please input another.
``` ```
(May be more better: `'${(Refused )lastInput( you requested. )}Please input another.'`) (May be more better: `'$<(Refused )lastInput( you requested. )>Please input another.'`)
*Note:* The syntax `${parameter}` of older version is still supported, but this should not be used because it may be confused with ES6. And this will not be supported in due course of time.
### <a name="placeholders-parameters"></a>Parameters ### <a name="placeholders-parameters"></a>Parameters
@ -1599,13 +1601,13 @@ The following parameters are available. And some additional parameters are avail
A current value of each option. A current value of each option.
It is converted to human readable if possible. The boolean value is replaced to `'on'` or `'off'`, and the Array is replaced to the list of only string and number elements. It is converted to human readable if possible. The boolean value is replaced to `'on'` or `'off'`, and the Array is replaced to the list of only string and number elements.
And in the `keyIn*` method, the parts of the list as characters sequence are suppressed. For example, when `['a', 'b', 'c', 'd', 'e']` is specified to the [`limit`](#basic_options-limit) option, `'${limit}'` is replaced to `'a...e'`. If `true` is specified to the [`caseSensitive`](#basic_options-casesensitive) option, the characters are converted to lower case. And in the `keyIn*` method, the parts of the list as characters sequence are suppressed. For example, when `['a', 'b', 'c', 'd', 'e']` is specified to the [`limit`](#basic_options-limit) option, `'$<limit>'` is replaced to `'a...e'`. If `true` is specified to the [`caseSensitive`](#basic_options-casesensitive) option, the characters are converted to lower case.
For example: For example:
```js ```js
input = readlineSync.question( input = readlineSync.question(
'Input something or the Enter key as "${defaultInput}" :', 'Input something or the Enter key as "$<defaultInput>" :',
{defaultInput: 'hello'} {defaultInput: 'hello'}
); );
``` ```
@ -1617,13 +1619,13 @@ Input something or the Enter key as "hello" :
#### <a name="placeholders-parameters-limitcount_limitcountnotzero"></a>`limitCount`, `limitCountNotZero` #### <a name="placeholders-parameters-limitcount_limitcountnotzero"></a>`limitCount`, `limitCountNotZero`
A length of a current value of the [`limit`](#basic_options-limit) option. A length of a current value of the [`limit`](#basic_options-limit) option.
When the value of the [`limit`](#basic_options-limit) option is empty, `'${limitCount}'` is replaced to `'0'`, `'${limitCountNotZero}'` is replaced to `''`. When the value of the [`limit`](#basic_options-limit) option is empty, `'$<limitCount>'` is replaced to `'0'`, `'$<limitCountNotZero>'` is replaced to `''`.
For example: For example:
```js ```js
action = readlineSync.question( action = readlineSync.question(
'Choose action${( from )limitCountNotZero( actions)} :', 'Choose action$<( from )limitCountNotZero( actions)> :',
{limit: availableActions} {limit: availableActions}
); );
``` ```
@ -1642,7 +1644,7 @@ For example:
```js ```js
command = readlineSync.prompt({ command = readlineSync.prompt({
limit: availableCommands, limit: availableCommands,
limitMessage: '${lastInput} is not available.' limitMessage: '$<lastInput> is not available.'
}); });
``` ```
@ -1660,7 +1662,7 @@ For example:
```js ```js
while (true) { while (true) {
input = readlineSync.question('Something${( or "!!" as ")history_m1(")} :'); input = readlineSync.question('Something$<( or "!!" as ")history_m1(")> :');
console.log('-- You said "' + input + '"'); console.log('-- You said "' + input + '"');
} }
``` ```
@ -1684,7 +1686,7 @@ A current working directory.
For example, like bash/zsh: For example, like bash/zsh:
```js ```js
command = readlineSync.prompt({prompt: '[${cwdHome}]$ '}); command = readlineSync.prompt({prompt: '[$<cwdHome>]$ '});
``` ```
```console ```console
@ -1703,7 +1705,7 @@ A string as current date or time.
For example: For example:
```js ```js
command = readlineSync.prompt({prompt: '[${localeDate}]> '}); command = readlineSync.prompt({prompt: '[$<localeDate>]> '});
``` ```
```console ```console
@ -1715,12 +1717,12 @@ command = readlineSync.prompt({prompt: '[${localeDate}]> '});
_For [`limit` option for `keyIn*` method](#basic_options-limit-for_keyin_method) and [`charlist`](#utility_methods-questionnewpassword-options-charlist) option for [`questionNewPassword`](#utility_methods-questionnewpassword) method only_ _For [`limit` option for `keyIn*` method](#basic_options-limit-for_keyin_method) and [`charlist`](#utility_methods-questionnewpassword-options-charlist) option for [`questionNewPassword`](#utility_methods-questionnewpassword) method only_
A character list. A character list.
`C1` and `C2` are each single character as the start and the end. A sequence in ascending or descending order of characters ranging from `C1` to `C2` is created. For example, `'${a-e}'` is replaced to `'abcde'`. `'${5-1}'` is replaced to `'54321'`. `C1` and `C2` are each single character as the start and the end. A sequence in ascending or descending order of characters ranging from `C1` to `C2` is created. For example, `'$<a-e>'` is replaced to `'abcde'`. `'$<5-1>'` is replaced to `'54321'`.
For example, let the user input a password that is created with alphabet: For example, let the user input a password that is created with alphabet:
```js ```js
password = readlineSync.questionNewPassword('PASSWORD :', {charlist: '${a-z}'}); password = readlineSync.questionNewPassword('PASSWORD :', {charlist: '$<a-z>'});
``` ```
See also [`limit` option for `keyIn*` method](#basic_options-limit-for_keyin_method). See also [`limit` option for `keyIn*` method](#basic_options-limit-for_keyin_method).

47
lib/readline-sync.js
View file

@ -25,7 +25,7 @@ var
hideEchoBack: false, hideEchoBack: false,
mask: '*', mask: '*',
limit: [], limit: [],
limitMessage: 'Input another, please.${( [)limit(])}', limitMessage: 'Input another, please.$<( [)limit(])>',
defaultInput: '', defaultInput: '',
trueValue: [], trueValue: [],
falseValue: [], falseValue: [],
@ -430,6 +430,11 @@ function flattenArray(array, validator) {
return flatArray; return flatArray;
} }
function escapePattern(pattern) {
return pattern.replace(/[\x00-\x7f]/g,
function(s) { return '\\x' + ('00' + s.charCodeAt().toString(16)).substr(-2); });
}
// margeOptions(options1, options2 ... ) // margeOptions(options1, options2 ... )
// margeOptions(true, options1, options2 ... ) // margeOptions(true, options1, options2 ... )
// arg1=true : Start from defaultOptions and pick elements of that. // arg1=true : Start from defaultOptions and pick elements of that.
@ -545,17 +550,23 @@ function replaceHomePath(path, expand) {
process.env.HOME || '').replace(/[\/\\]+$/, ''); process.env.HOME || '').replace(/[\/\\]+$/, '');
path = pathUtil.normalize(path); path = pathUtil.normalize(path);
return expand ? path.replace(/^~(?=\/|\\|$)/, homePath) : return expand ? path.replace(/^~(?=\/|\\|$)/, homePath) :
path.replace(new RegExp('^' + homePath.replace(/[^A-Za-z0-9_ ]/g, '\\$&') + path.replace(new RegExp('^' + escapePattern(homePath) +
'(?=\\/|\\\\|$)', IS_WIN ? 'i' : ''), '~'); '(?=\\/|\\\\|$)', IS_WIN ? 'i' : ''), '~');
} }
function replacePlaceholder(text, generator) { function replacePlaceholder(text, generator) {
return text.replace(/(\$)?(\$\{(?:\(([\s\S]*?)\))?(\w+|.-.)(?:\(([\s\S]*?)\))?\})/g, var PTN_INNER = '(?:\\(([\\s\\S]*?)\\))?(\\w+|.-.)(?:\\(([\\s\\S]*?)\\))?',
function(str, escape, placeholder, pre, param, post) { rePlaceholder = new RegExp('(\\$)?(\\$<' + PTN_INNER + '>)', 'g'),
var text; rePlaceholderCompat = new RegExp('(\\$)?(\\$\\{' + PTN_INNER + '\\})', 'g');
return escape || typeof(text = generator(param)) !== 'string' ? placeholder :
text ? (pre || '') + text + (post || '') : ''; function getPlaceholderText(s, escape, placeholder, pre, param, post) {
}); var text;
return escape || typeof(text = generator(param)) !== 'string' ? placeholder :
text ? (pre || '') + text + (post || '') : '';
}
return text.replace(rePlaceholder, getPlaceholderText)
.replace(rePlaceholderCompat, getPlaceholderText);
} }
function array2charlist(array, caseSensitive, collectSymbols) { function array2charlist(array, caseSensitive, collectSymbols) {
@ -824,7 +835,7 @@ exports.keyIn = function(query, options) {
}) })
.map(function(text) { return replacePlaceholder(text + '', getPhCharlist); }); .map(function(text) { return replacePlaceholder(text + '', getPhCharlist); });
// pattern // pattern
readOptions.limit = readOptions.limitSrc.join('').replace(/[^A-Za-z0-9_ ]/g, '\\$&'); readOptions.limit = escapePattern(readOptions.limitSrc.join(''));
['trueValue', 'falseValue'].forEach(function(optionName) { ['trueValue', 'falseValue'].forEach(function(optionName) {
readOptions[optionName] = readOptions[optionName].reduce(function(comps, comp) { readOptions[optionName] = readOptions[optionName].reduce(function(comps, comp) {
@ -868,8 +879,8 @@ exports.questionNewPassword = function(query, options) {
// -------- default // -------- default
hideEchoBack: true, hideEchoBack: true,
mask: '*', mask: '*',
limitMessage: 'It can include: ${charlist}\n' + limitMessage: 'It can include: $<charlist>\n' +
'And the length must be: ${length}', 'And the length must be: $<length>',
trueValue: null, trueValue: null,
falseValue: null, falseValue: null,
caseSensitive: true caseSensitive: true
@ -889,10 +900,10 @@ exports.questionNewPassword = function(query, options) {
options = options || {}; options = options || {};
charlist = replacePlaceholder( charlist = replacePlaceholder(
options.charlist ? options.charlist + '' : '${!-~}', getPhCharlist); options.charlist ? options.charlist + '' : '$<!-~>', getPhCharlist);
if (isNaN(min = parseInt(options.min, 10)) || typeof min !== 'number') { min = 12; } if (isNaN(min = parseInt(options.min, 10)) || typeof min !== 'number') { min = 12; }
if (isNaN(max = parseInt(options.max, 10)) || typeof max !== 'number') { max = 24; } if (isNaN(max = parseInt(options.max, 10)) || typeof max !== 'number') { max = 24; }
limit = new RegExp('^[' + charlist.replace(/[^A-Za-z0-9_ ]/g, '\\$&') + limit = new RegExp('^[' + escapePattern(charlist) +
']{' + min + ',' + max + '}$'); ']{' + min + ',' + max + '}$');
resCharlist = array2charlist([charlist], readOptions.caseSensitive, true); resCharlist = array2charlist([charlist], readOptions.caseSensitive, true);
resCharlist.text = joinChunks(resCharlist.values, resCharlist.suppressed); resCharlist.text = joinChunks(resCharlist.values, resCharlist.suppressed);
@ -951,8 +962,8 @@ exports.questionPath = function(query, options) {
var readOptions = margeOptions({ var readOptions = margeOptions({
// -------- default // -------- default
hideEchoBack: false, hideEchoBack: false,
limitMessage: '${error(\n)}Input valid path, please.' + limitMessage: '$<error(\n)>Input valid path, please.' +
'${( Min:)min}${( Max:)max}', '$<( Min:)min>$<( Max:)max>',
history: true, history: true,
cd: true cd: true
}, options, { }, options, {
@ -1139,12 +1150,12 @@ exports.promptSimShell = function(options) {
// -------- forced // -------- forced
prompt: (function() { prompt: (function() {
return IS_WIN ? return IS_WIN ?
'${cwd}>' : '$<cwd>>' :
// 'user@host:cwd$ ' // 'user@host:cwd$ '
(process.env.USER || '') + (process.env.USER || '') +
(process.env.HOSTNAME ? (process.env.HOSTNAME ?
'@' + process.env.HOSTNAME.replace(/\..*$/, '') : '') + '@' + process.env.HOSTNAME.replace(/\..*$/, '') : '') +
':${cwdHome}$ '; ':$<cwdHome>$ ';
})() })()
})); }));
}; };
@ -1235,7 +1246,7 @@ exports.keyInSelect = function(items, query, options) {
/* jshint eqnull:false */ /* jshint eqnull:false */
if ((query += '')) { if ((query += '')) {
if (!options || options.guide !== false) if (!options || options.guide !== false)
{ query = query.replace(/\s*:?\s*$/, '') + ' [${limit}] :'; } { query = query.replace(/\s*:?\s*$/, '') + ' [$<limit>] :'; }
display += query; display += query;
} }

2
package.json
View file

@ -1,6 +1,6 @@
{ {
"name": "readline-sync", "name": "readline-sync",
"version": "1.3.1", "version": "1.4.0",
"title": "readlineSync", "title": "readlineSync",
"description": "Synchronous Readline for interactively running to have a conversation with the user via a console(TTY).", "description": "Synchronous Readline for interactively running to have a conversation with the user via a console(TTY).",
"keywords": [ "keywords": [