openlayers
Version:
Build tools and sources for developing OpenLayers based mapping applications
38 lines (31 loc) • 1.15 kB
JavaScript
const util = require('./util');
exports.rule = {
meta: {
docs: {
description: 'require that all goog.require() have a valid arg and appear at the top level'
}
},
create: function(context) {
return {
CallExpression: function(expression) {
if (util.isRequireExpression(expression)) {
const parent = expression.parent;
if (parent.type !== 'ExpressionStatement') {
return context.report(expression, 'Expected goog.require() to be in an expression statement');
}
if (parent.parent.type !== 'Program') {
return context.report(expression, 'Expected goog.require() to be at the top level');
}
if (expression.arguments.length !== 1) {
return context.report(expression, 'Expected one argument for goog.require()');
}
const arg = expression.arguments[0];
if (arg.type !== 'Literal' || !arg.value || typeof arg.value !== 'string') {
return context.report(expression, 'Expected goog.require() to be called with a string');
}
}
}
};
}
};
;