39 lines
1.2 KiB
JavaScript
39 lines
1.2 KiB
JavaScript
'use strict';
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const util = require('./util');
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exports.rule = {
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meta: {
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docs: {
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description: 'require that all goog.require() have a valid arg and appear at the top level'
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}
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},
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create: function(context) {
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return {
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CallExpression: function(expression) {
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if (util.isRequireExpression(expression)) {
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const ancestors = context.getAncestors();
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const parent = ancestors[ancestors.length - 1];
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if (parent.type !== 'ExpressionStatement') {
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return context.report(expression, 'Expected goog.require() to in an expression statement');
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}
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if (ancestors.length !== 2) {
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return context.report(expression, 'Expected goog.require() to be at the top level');
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}
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if (expression.arguments.length !== 1) {
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return context.report(expression, 'Expected one argument for goog.require()');
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}
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const arg = expression.arguments[0];
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if (arg.type !== 'Literal' || !arg.value || typeof arg.value !== 'string') {
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return context.report(expression, 'Expected goog.require() to be called with a string');
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}
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}
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}
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};
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}
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};
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