@assistant-ui/react/dist/model-context/ModelContextTypes.js

TypeScript/React library for AI Chat

export const mergeModelContexts = (configSet) => {
    const configs = Array.from(configSet)
        .map((c) => c.getModelContext())
        .sort((a, b) => (b.priority ?? 0) - (a.priority ?? 0));
    return configs.reduce((acc, config) => {
        if (config.system) {
            if (acc.system) {
                // TODO should the separator be configurable?
                acc.system += `\n\n${config.system}`;
            }
            else {
                acc.system = config.system;
            }
        }
        if (config.tools) {
            for (const [name, tool] of Object.entries(config.tools)) {
                const existing = acc.tools?.[name];
                if (existing && existing !== tool) {
                    throw new Error(`You tried to define a tool with the name ${name}, but it already exists.`);
                }
                if (!acc.tools)
                    acc.tools = {};
                acc.tools[name] = tool;
            }
        }
        if (config.config) {
            acc.config = {
                ...acc.config,
                ...config.config,
            };
        }
        if (config.callSettings) {
            acc.callSettings = {
                ...acc.callSettings,
                ...config.callSettings,
            };
        }
        return acc;
    }, {});
};
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