Change return to empty string on no single match

This commit is contained in:
Crow
2025-04-29 15:21:45 +01:00
parent 0cd0ce2374
commit 6cb1eb3fe6

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@ -2177,14 +2177,15 @@ export function initDefaultSlashCommands() {
if (!pattern) { if (!pattern) {
throw new Error('Argument of \'pattern=\' cannot be empty'); throw new Error('Argument of \'pattern=\' cannot be empty');
} }
let re = regexFromString(pattern.toString()); const re = regexFromString(pattern.toString());
if (!re) { if (!re) {
throw new Error('The value of \'pattern\' argument is not a valid regular expression.'); throw new Error('The value of \'pattern\' argument is not a valid regular expression.');
} }
if (re.flags.includes('g')) { if (re.flags.includes('g')) {
return JSON.stringify([...text.toString().matchAll(re)]); return JSON.stringify([...text.toString().matchAll(re)]);
} else { } else {
return JSON.stringify(text.toString().match(re)); const match = text.toString().match(re);
return match ? JSON.stringify(match) : '';
} }
}), }),
returns: 'group array for each match', returns: 'group array for each match',
@ -2205,7 +2206,7 @@ export function initDefaultSlashCommands() {
<div> <div>
Returns an array of groups (with the first group being the full match). If the regex contains the global flag (i.e. <code>/g</code>), Returns an array of groups (with the first group being the full match). If the regex contains the global flag (i.e. <code>/g</code>),
multiple nested arrays are returned for each match. If the regex is global, returns <code>[]</code> if no matches are found, multiple nested arrays are returned for each match. If the regex is global, returns <code>[]</code> if no matches are found,
otherwise it returns null. otherwise it returns an empty string.
</div> </div>
<div> <div>
<strong>Example:</strong> <strong>Example:</strong>
@ -2213,7 +2214,7 @@ export function initDefaultSlashCommands() {
<pre><code class="language-stscript">/match pattern="green" {{var::x}} | /echo |/# [ "green" ] ||</code></pre> <pre><code class="language-stscript">/match pattern="green" {{var::x}} | /echo |/# [ "green" ] ||</code></pre>
<pre><code class="language-stscript">/match pattern="color_(\\w+)" {{var::x}} | /echo |/# [ "color_green", "green" ] ||</code></pre> <pre><code class="language-stscript">/match pattern="color_(\\w+)" {{var::x}} | /echo |/# [ "color_green", "green" ] ||</code></pre>
<pre><code class="language-stscript">/match pattern="/color_(\\w+)/g" {{var::x}} | /echo |/# [ [ "color_green", "green" ], [ "color_blue", "blue" ] ] ||</code></pre> <pre><code class="language-stscript">/match pattern="/color_(\\w+)/g" {{var::x}} | /echo |/# [ [ "color_green", "green" ], [ "color_blue", "blue" ] ] ||</code></pre>
<pre><code class="language-stscript">/match pattern="orange" {{var::x}} | /echo |/# null ||</code></pre> <pre><code class="language-stscript">/match pattern="orange" {{var::x}} | /echo |/# ||</code></pre>
<pre><code class="language-stscript">/match pattern="/orange/g" {{var::x}} | /echo |/# [] ||</code></pre> <pre><code class="language-stscript">/match pattern="/orange/g" {{var::x}} | /echo |/# [] ||</code></pre>
</div> </div>
`, `,