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fix: support inspecting bigints (#1321) #1383

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merged 1 commit into from
Mar 12, 2021
Merged

fix: support inspecting bigints (#1321) #1383

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3 changes: 3 additions & 0 deletions chai.js
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Original file line number Diff line number Diff line change
Expand Up @@ -8746,6 +8746,9 @@ function formatPrimitive(ctx, value) {

case 'symbol':
return ctx.stylize(value.toString(), 'symbol');

case 'bigint':
return ctx.stylize(value.toString() + 'n', 'bigint');
}
// For some reason typeof null is "object", so special case here.
if (value === null) {
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3 changes: 3 additions & 0 deletions lib/chai/utils/inspect.js
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Expand Up @@ -218,6 +218,9 @@ function formatPrimitive(ctx, value) {

case 'symbol':
return ctx.stylize(value.toString(), 'symbol');

case 'bigint':
return ctx.stylize(value.toString() + 'n', 'bigint');
}
// For some reason typeof null is "object", so special case here.
if (value === null) {
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10 changes: 10 additions & 0 deletions test/utilities.js
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Expand Up @@ -756,6 +756,16 @@ describe('utilities', function () {
});
});

it('inspect BigInt', function () {
if (typeof BigInt !== 'function') return;

chai.use(function (_chai, _) {
expect(_.inspect(BigInt(0))).to.equal('0n');
expect(_.inspect(BigInt(1234))).to.equal('1234n');
expect(_.inspect(BigInt(-1234))).to.equal('-1234n');
});
});

it('inspect every kind of available TypedArray', function () {
chai.use(function (_chai, _) {
var arr = [1, 2, 3]
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