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<?php |
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namespace YayMailScoped\YayCommerce\AdminShell\Support; |
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|
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defined('ABSPATH') || exit; |
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/** |
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* Slug utilities. |
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* |
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* Plugin slugs can contain characters that are valid in wp_options keys |
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* and URL paths but invalid as JavaScript identifiers (e.g. hyphens, '&'). |
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* This helper sanitizes a slug for use as a JS variable name while the |
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* original slug stays intact for option-key and REST-URL contexts. |
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*/ |
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class Slug |
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{ |
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/** |
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* Convert a plugin slug into a valid JS identifier. |
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* |
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* Rules: |
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* - Replace any char outside [A-Za-z0-9_] with '_' |
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* - Collapse consecutive underscores |
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* - Trim leading/trailing underscores |
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* - Prefix '_' if the result starts with a digit |
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* - Return '_' for empty / all-special input (never empty string) |
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* |
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* Idempotent: to_var_name( to_var_name( $x ) ) === to_var_name( $x ). |
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*/ |
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public static function to_var_name(string $slug): string |
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{ |
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$name = preg_replace('/[^A-Za-z0-9_]/', '_', $slug); |
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$name = preg_replace('/_+/', '_', (string) $name); |
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$name = trim((string) $name, '_'); |
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if ('' === $name) { |
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return '_'; |
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} |
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if (preg_match('/^\d/', $name)) { |
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$name = '_' . $name; |
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} |
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return $name; |
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} |
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} |
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