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if (!window.NexT) window.NexT = {};

(function() {

const className = 'next-config';

const staticConfig = {};

let variableConfig = {};

const parse = text => JSON.parse(text || '{}');

const update = name => {

const targetEle = document.querySelector(`.${className}[data-name="${name}"]`);

if (!targetEle) return;

const parsedConfig = parse(targetEle.text);

if (name === 'main') {

Object.assign(staticConfig, parsedConfig);

} else {

variableConfig[name] = parsedConfig;

}

};

update('main');

window.CONFIG = new Proxy({}, {

get(overrideConfig, name) {

let existing;

if (name in staticConfig) {

existing = staticConfig[name];

} else {

if (!(name in variableConfig)) update(name);

existing = variableConfig[name];

}

// For unset override and mixable existing

if (!(name in overrideConfig) && typeof existing === 'object') {

// Get ready to mix.

overrideConfig[name] = {};

}

if (name in overrideConfig) {

const override = overrideConfig[name];

// When mixable

if (typeof override === 'object' && typeof existing === 'object') {

// Mix, proxy changes to the override.

return new Proxy({ ...existing, ...override }, {

set(target, prop, value) {

target[prop] = value;

override[prop] = value;

return true;

}

});

}

return override;

}

// Only when not mixable and override hasn't been set.

return existing;

}

});

document.addEventListener('pjax:success', () => {

variableConfig = {};

});

})();