export default function cleanNode(node: Node): Node {
if (!isNode(node)) {
throw new Error(`node must be a valid node type, got: ${inspect(node)}`);
}
let result = Object.create(null);
let fields = NODE_FIELDS[node.type];
result.type = node.type;
Object.keys(fields).forEach(field => {
if (field in node) {
let value = node[field];
if (isNode(value)) {
result[field] = cleanNode(value);
} else if (Array.isArray(value)) {
result[field] = value.map(element => isNode(element) ? cleanNode(element) : element);
} else {
result[field] = value;
}
} else {
result[field] = fields[field].default;
}
});
return result;
}
return mapValue(obj, (value, key) => {
if (build.isNode(value.component)) {
return value.component;
} else if (typeof value === 'string') {
return build.stringLiteral(value.component);
} else {
return build.identifier(key);
}
});
function check(child) {
if (result) {
// Do nothing.
} else if (Array.isArray(child)) {
child.some(check);
} else if (t.isNode(child)) {
assert.strictEqual(result, false);
result = predicate(child);
}
return result;
}
Object.keys(fields).forEach(field => {
if (field in node) {
let value = node[field];
if (isNode(value)) {
result[field] = cleanNode(value);
} else if (Array.isArray(value)) {
result[field] = value.map(element => isNode(element) ? cleanNode(element) : element);
} else {
result[field] = value;
}
} else {
result[field] = fields[field].default;
}
});
result[field] = value.map(element => isNode(element) ? cleanNode(element) : element);