/*---------------------------------------------------------------------------------------------
 *  Copyright (c) Red Hat, Inc. All rights reserved.
 *  Licensed under the MIT License. See License.txt in the project root for license information.
 *--------------------------------------------------------------------------------------------*/
(function (factory) {
    if (typeof module === "object" && typeof module.exports === "object") {
        var v = factory(require, exports);
        if (v !== undefined) module.exports = v;
    }
    else if (typeof define === "function" && define.amd) {
        define(["require", "exports"], factory);
    }
})(function (require, exports) {
    "use strict";
    Object.defineProperty(exports, "__esModule", { value: true });
    exports.getLineOffsets = getLineOffsets;
    exports.removeDuplicatesObj = removeDuplicatesObj;
    exports.matchOffsetToDocument = matchOffsetToDocument;
    exports.isArrayEqual = isArrayEqual;
    function getLineOffsets(textDocString) {
        const lineOffsets = [];
        const text = textDocString;
        let isLineStart = true;
        for (let i = 0; i < text.length; i++) {
            if (isLineStart) {
                lineOffsets.push(i);
                isLineStart = false;
            }
            const ch = text.charAt(i);
            isLineStart = ch === '\r' || ch === '\n';
            if (ch === '\r' && i + 1 < text.length && text.charAt(i + 1) === '\n') {
                i++;
            }
        }
        if (isLineStart && text.length > 0) {
            lineOffsets.push(text.length);
        }
        return lineOffsets;
    }
    function removeDuplicatesObj(objArray) {
        const nonDuplicateSet = new Set();
        const nonDuplicateArr = [];
        for (const obj in objArray) {
            const currObj = objArray[obj];
            const stringifiedObj = JSON.stringify(currObj);
            if (!nonDuplicateSet.has(stringifiedObj)) {
                nonDuplicateArr.push(currObj);
                nonDuplicateSet.add(stringifiedObj);
            }
        }
        return nonDuplicateArr;
    }
    function matchOffsetToDocument(offset, jsonDocuments) {
        for (const jsonDoc of jsonDocuments.documents) {
            if (jsonDoc.internalDocument && jsonDoc.internalDocument.range[0] <= offset && jsonDoc.internalDocument.range[2] >= offset) {
                return jsonDoc;
            }
        }
        if (jsonDocuments.documents.length === 1) {
            return jsonDocuments.documents[0];
        }
        return null;
    }
    function isArrayEqual(fst, snd) {
        if (!snd || !fst) {
            return false;
        }
        if (snd.length !== fst.length) {
            return false;
        }
        for (let index = fst.length - 1; index >= 0; index--) {
            if (fst[index] !== snd[index]) {
                return false;
            }
        }
        return true;
    }
});
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