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// Copyright 2025 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// https://github.com/explainers-by-googlers/proofreader-api
enum CorrectionType {
"spelling", // Misspelled words, i.e. typos.
"punctuation", // Incorrect or missing punctuation marks.
"capitalization", // Incorrect upper/lowercase letters.
"preposition", // Errors in the use of prepositions.
"missing-words", // One or more words are absent from a sentence,
// making it grammatically incorrect or altering
// its intended meaning.
"grammar" // Broad and catch-all category, if no more-specific category
// matches. Encompassing sentence errors in structure
// errors, word order, subject-verb agreement, etc.
};
dictionary ProofreaderCreateCoreOptions {
boolean includeCorrectionTypes = false;
boolean includeCorrectionExplanations = false;
sequence<DOMString> expectedInputLanguages;
DOMString correctionExplanationLanguage;
};
dictionary ProofreaderCreateOptions : ProofreaderCreateCoreOptions {
AbortSignal signal;
CreateMonitorCallback monitor;
};
dictionary ProofreadResult {
DOMString correctedInput;
sequence<ProofreadCorrection> corrections;
};
dictionary ProofreadCorrection {
unsigned long long startIndex;
unsigned long long endIndex;
DOMString correction;
CorrectionType type;
DOMString explanation;
};
[
Exposed=(Window,Worker),
RuntimeEnabled=AIProofreadingAPI,
SecureContext
]
interface Proofreader {
[
MeasureAs=Proofreader_Availability,
CallWith=ScriptState,
RaisesException
]
static Promise<Availability> availability(
optional ProofreaderCreateCoreOptions options = {}
);
[
MeasureAs=Proofreader_Create,
CallWith=ScriptState,
RaisesException
]
static Promise<Proofreader> create(optional ProofreaderCreateOptions options = {});
[
MeasureAs=Proofreader_Proofread,
CallWith=ScriptState,
RaisesException
]
Promise<ProofreadResult> proofread(
DOMString input
);
[
MeasureAs=Proofreader_Destroy,
CallWith=ScriptState,
RaisesException
]
void destroy();
[MeasureAs=Proofreader_IncludeCorrectionTypes]
readonly attribute boolean includeCorrectionTypes;
[MeasureAs=Proofreader_IncludeCorrectionExplanations]
readonly attribute boolean includeCorrectionExplanations;
[MeasureAs=Proofreader_ExpectedInputLanguages]
readonly attribute FrozenArray<DOMString>? expectedInputLanguages;
[MeasureAs=Proofreader_CorrectionExplanationLanguage]
readonly attribute DOMString? correctionExplanationLanguage;
};
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