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39 lines
1.1 KiB
39 lines
1.1 KiB
/**
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* @fileoverview Prefer common.mustNotCall(msg) over common.mustCall(fn, 0)
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* @author James M Snell <jasnell@gmail.com>
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*/
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'use strict';
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//------------------------------------------------------------------------------
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// Rule Definition
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//------------------------------------------------------------------------------
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const msg = 'Please use common.mustNotCall(msg) instead of ' +
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'common.mustCall(fn, 0) or common.mustCall(0).';
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function isCommonMustCall(node) {
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return node &&
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node.callee &&
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node.callee.object &&
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node.callee.object.name === 'common' &&
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node.callee.property &&
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node.callee.property.name === 'mustCall';
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}
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function isArgZero(argument) {
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return argument &&
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typeof argument.value === 'number' &&
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argument.value === 0;
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}
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module.exports = function(context) {
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return {
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CallExpression(node) {
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if (isCommonMustCall(node) &&
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(isArgZero(node.arguments[0]) || // catch common.mustCall(0)
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isArgZero(node.arguments[1]))) { // catch common.mustCall(fn, 0)
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context.report(node, msg);
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}
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}
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};
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};
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