mirror of
https://github.com/danny-avila/LibreChat.git
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cbda3cb529
* feat: Add configurable retention period for temporary chats * Addressing eslint errors * Fix: failing test due to missing registration * Update: variable name and use hours instead of days for chat retention * Addressing comments * chore: fix import order in Conversation.js * chore: import order in Message.js * chore: fix import order in config.ts * chore: move common methods to packages/api to reduce potential for circular dependencies * refactor: update temp chat retention config type to Partial<TCustomConfig> * refactor: remove unused config variable from AppService and update loadCustomConfig tests with logger mock * refactor: handle model undefined edge case by moving Session model initialization inside methods --------- Co-authored-by: Rakshit Tiwari <rak1729e@gmail.com>
45 lines
1.5 KiB
TypeScript
45 lines
1.5 KiB
TypeScript
/**
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* Evaluates a mathematical expression provided as a string and returns the result.
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*
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* If the input is already a number, it returns the number as is.
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* If the input is not a string or contains invalid characters, an error is thrown.
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* If the evaluated result is not a number, an error is thrown.
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*
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* @param str - The mathematical expression to evaluate, or a number.
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* @param fallbackValue - The default value to return if the input is not a string or number, or if the evaluated result is not a number.
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*
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* @returns The result of the evaluated expression or the input number.
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*
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* @throws Throws an error if the input is not a string or number, contains invalid characters, or does not evaluate to a number.
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*/
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export function math(str: string | number, fallbackValue?: number): number {
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const fallback = typeof fallbackValue !== 'undefined' && typeof fallbackValue === 'number';
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if (typeof str !== 'string' && typeof str === 'number') {
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return str;
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} else if (typeof str !== 'string') {
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if (fallback) {
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return fallbackValue;
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}
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throw new Error(`str is ${typeof str}, but should be a string`);
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}
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const validStr = /^[+\-\d.\s*/%()]+$/.test(str);
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if (!validStr) {
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if (fallback) {
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return fallbackValue;
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}
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throw new Error('Invalid characters in string');
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}
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const value = eval(str);
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if (typeof value !== 'number') {
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if (fallback) {
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return fallbackValue;
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}
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throw new Error(`[math] str did not evaluate to a number but to a ${typeof value}`);
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}
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return value;
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}
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