openlayers
Version:
Build tools and sources for developing OpenLayers based mapping applications
50 lines (42 loc) • 1.42 kB
JavaScript
function isGoogCallExpression(node, name) {
const callee = node.callee;
return callee && callee.type === 'MemberExpression' &&
callee.object.type === 'Identifier' && callee.object.name === 'goog' &&
callee.property.type === 'Identifier' && !callee.property.computed &&
callee.property.name === name;
}
function isGoogStatement(node, name) {
return node.expression && node.expression.type === 'CallExpression' &&
isGoogCallExpression(node.expression, name);
}
exports.isProvideExpression = function(node) {
return isGoogCallExpression(node, 'provide');
};
exports.isProvideStatement = function(node) {
return isGoogStatement(node, 'provide');
};
exports.isRequireExpression = function(node) {
return isGoogCallExpression(node, 'require');
};
exports.isRequireStatement = function(node) {
return isGoogStatement(node, 'require');
};
var getName = exports.getName = function(node) {
if (node.type !== 'MemberExpression') {
return;
}
if (node.property.type !== 'Identifier' || node.property.computed) {
return;
}
let objectName;
if (node.object.type === 'Identifier' && !node.object.computed) {
objectName = node.object.name;
} else if (node.object.type === 'MemberExpression' && !node.object.computed) {
objectName = getName(node.object);
}
if (!objectName) {
return;
}
return `${objectName}.${node.property.name}`;
};
;