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Handle logical expressions when getting attribute values #1014

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Handle logical expressions when getting attribute values #1014

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fa42255
feat: handle LogicalExpressions on getAttributeValue
K-Schaeffer Jan 16, 2024
244f2bb
test: assert logic expression behavior
K-Schaeffer Jan 16, 2024
833acb1
fix: remove ts-ignore statements
K-Schaeffer Jan 17, 2024
451d4a7
fix: verifying type of left and right bits of the expression
K-Schaeffer Jan 18, 2024
fbdf570
fix: typo
K-Schaeffer Jan 18, 2024
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3 changes: 2 additions & 1 deletion src/rules/__tests__/interactive-supports-focus.test.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -61,7 +61,8 @@ makeRuleTester("interactive-supports-focus", rule, {
"<div role='textbox' aria-disabled='true' @click='void 0' />",
"<Foo.Bar @click='void 0' aria-hidden='false' />",
"<Input @click='void 0' type='hidden' />",
`<component role="button" :is="foo ? 'a' : 'button'" />`
`<component role="button" :is="foo ? 'a' : 'button'" />`,
"<div role='textbox' :tabindex='false || 0' :aria-disabled='false' @click='void 0' />",
],
invalid: [
...rule.interactiveRoles.flatMap((role) =>
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16 changes: 16 additions & 0 deletions src/utils/getAttributeValue.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,22 @@ function getAttributeValue(node: AST.VAttribute | AST.VDirective) {
return node.value.expression.value;
}

if (node.value.expression.type === 'LogicalExpression') {
const operator = node.value.expression.operator;
let leftSideOfOperation;
let rightSideOfOperation;

if (node.value.expression.left.type === 'Literal') {
leftSideOfOperation = node.value.expression.left.value;
}

if (node.value.expression.right.type === 'Literal') {
rightSideOfOperation = node.value.expression.right.value;
}

return eval(`${leftSideOfOperation} ${operator} ${rightSideOfOperation}`);
}

// TODO we're effectively using this as just a placeholder to let rules know
// that a value has been passed in for this attribute. We should replace
// this with a stronger API to either explicitly handle all of the different
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