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Stringify user input in errors #135

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Stringify user input in errors #135

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2 changes: 1 addition & 1 deletion src/create.spec.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -280,7 +280,7 @@ describe('create(filename, options)', function () {
it('should require a valid type', function () {
assert.throws(
create.bind(null, undefined, { type: 'invalid;type' }),
/Invalid type: invalid;type/,
/Invalid type: "invalid;type"/,
);
});

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12 changes: 8 additions & 4 deletions src/index.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -247,7 +247,9 @@ function createParameters(

if (typeof fallback === 'string') {
if (!ASCII_TEXT_REGEXP.test(fallback)) {
throw new TypeError('Fallback must be valid US-ASCII: ' + fallback);
throw new TypeError(
`Fallback must be valid US-ASCII: ${JSON.stringify(fallback)}`,
);
}

if (fallback === filename) return { filename };
Expand Down Expand Up @@ -375,7 +377,7 @@ export function format(
const extended = options?.extended !== false;

if (!type || !TOKEN_REGEXP.test(type)) {
throw new TypeError('Invalid type: ' + type);
throw new TypeError(`Invalid type: ${JSON.stringify(type)}`);
}

let result = type;
Expand All @@ -385,7 +387,7 @@ export function format(
const value = parameters[param];

if (!TOKEN_REGEXP.test(param)) {
throw new TypeError('Invalid parameter name: ' + param);
throw new TypeError(`Invalid parameter name: ${JSON.stringify(param)}`);
}

if (multipart) {
Expand All @@ -404,7 +406,9 @@ export function format(
}

if (!extended) {
throw new TypeError('Invalid parameter value: ' + value);
throw new TypeError(
`Invalid parameter value: ${JSON.stringify(value)}`,
);
}

result += '; ' + param + '*=' + encodeExtended(value);
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