/**
* This takes in a require node and reprints it. This should remove whitespace
* and allow us to have a consistent formatting of all requires.
*/
function reprintRequireHelper(node: Node): Node {
if (jscs.ExpressionStatement.check(node)) {
return statement`${node.expression}`;
}
if (jscs.VariableDeclaration.check(node)) {
const kind = node.kind || 'const';
const declaration = node.declarations[0];
if (jscs.Identifier.check(declaration.id)) {
return jscs.variableDeclaration(
kind,
[jscs.variableDeclarator(declaration.id, declaration.init)],
);
} else if (jscs.ObjectPattern.check(declaration.id)) {
declaration.id.properties.sort((prop1, prop2) => {
return compareStrings(prop1.key.name, prop2.key.name);
});
return jscs.variableDeclaration(
kind,
[jscs.variableDeclarator(
oneLineObjectPattern(declaration.id),
declaration.init,
)],
);
} else if (jscs.ArrayPattern.check(declaration.id)) {
return jscs.variableDeclaration(
kind,
[jscs.variableDeclarator(declaration.id, declaration.init)],
);
}
}
if (jscs.ImportDeclaration.check(node) && node.importKind === 'type') {
// Sort the specifiers.
node.specifiers.sort((one, two) => compareStrings(
one.local.name,
two.local.name
));
// TODO: Properly remove new lines from the node.
return node;
}
return node;
}
/**
* Tests if a variable declaration is a valid require declaration.
*/
function isValidRequireDeclaration(node: Node): boolean {
if (!hasOneRequireDeclaration(node)) {
return false;
}
const declaration = node.declarations[0];
if (jscs.Identifier.check(declaration.id)) {
return true;
}
if (jscs.ObjectPattern.check(declaration.id)) {
return declaration.id.properties.every(
prop => prop.shorthand && jscs.Identifier.check(prop.key)
);
}
if (jscs.ArrayPattern.check(declaration.id)) {
return declaration.id.elements.every(
element => jscs.Identifier.check(element)
);
}
return false;
}
element => jscs.Identifier.check(element)
prop => prop.shorthand && jscs.Identifier.check(prop.key)
nodes.forEach(node => {
if (jscs.Identifier.check(node)) {
ids.add(node.name);
}
});