@scalar/oas-utils/dist/helpers/replace-variables.js

Open API spec and Yaml handling utilities

/**
 * This function takes a string and replace {variables} with given values.
 */
function replaceVariables(value, variablesOrCallback) {
    // Replace all variables (example: {{ baseurl }} with an HTML tag)
    const doubleCurlyBrackets = /{{\s*([\w.-]+)\s*}}/g;
    const singleCurlyBrackets = /{\s*([\w.-]+)\s*}/g;
    const callback = (_, match) => {
        if (typeof variablesOrCallback === 'function') {
            return variablesOrCallback(match);
        }
        return variablesOrCallback[match]?.toString() || `{${match}}`;
    };
    // Loop through all matches and replace the match with the variable value
    return value.replace(doubleCurlyBrackets, callback).replace(singleCurlyBrackets, callback);
}

export { replaceVariables };