20 lines
448 B
JavaScript
20 lines
448 B
JavaScript
"use strict";
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module.exports = function ({
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types: t
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}) {
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const TRUE = t.unaryExpression("!", t.numericLiteral(0), true);
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const FALSE = t.unaryExpression("!", t.numericLiteral(1), true);
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return {
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name: "transform-minify-booleans",
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visitor: {
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// shorten booleans to a negation
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// true -> !0
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// false -> !1
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BooleanLiteral(path) {
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path.replaceWith(path.node.value ? TRUE : FALSE);
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}
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}
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};
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}; |