@mintlify/common/dist/mdx/replaceVariables.js

Commonly shared code within Mintlify

import filterXSS from 'xss';
const VARIABLE_REGEX = /\{\{\s*([\w.\-]+)\s*\}\}/g;
const EXECUTABLE_TAGS = [
    'script',
    'style',
    'iframe',
    'object',
    'embed',
    'form',
    'link',
    'meta',
    'base',
];
function sanitizeVariableValue(value) {
    return filterXSS(value, {
        whiteList: {},
        stripIgnoreTag: true,
        stripIgnoreTagBody: EXECUTABLE_TAGS,
    });
}
export function replaceVariables(content, variables) {
    if (!variables || Object.keys(variables).length === 0 || !content.includes('{{'))
        return content;
    return content.replace(VARIABLE_REGEX, (match, key) => {
        const value = variables[key];
        return value !== undefined ? sanitizeVariableValue(value) : match;
    });
}