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'use strict';
const message = 'Errors in lib/internal/errors.js must be alphabetized';
function errorForNode(node) {
return node.expression.arguments[0].value;
}
function isAlphabetized(previousNode, node) {
return errorForNode(previousNode).localeCompare(errorForNode(node)) < 0;
}
function isDefiningError(node) {
return node.expression &&
node.expression.type === 'CallExpression' &&
node.expression.callee &&
node.expression.callee.name === 'E';
}
module.exports = {
create: function(context) {
var previousNode;
return {
ExpressionStatement: function(node) {
if (isDefiningError(node)) {
if (previousNode && !isAlphabetized(previousNode, node)) {
context.report({ node: node, message: message });
}
previousNode = node;
}
}
};
}
};
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