/*---------------------------------------------------------------------------------------------
 *  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", "vscode-languageserver-types", "../utils/textBuffer"], factory);
    }
})(function (require, exports) {
    "use strict";
    Object.defineProperty(exports, "__esModule", { value: true });
    exports.doDocumentOnTypeFormatting = doDocumentOnTypeFormatting;
    const vscode_languageserver_types_1 = require("vscode-languageserver-types");
    const textBuffer_1 = require("../utils/textBuffer");
    function doDocumentOnTypeFormatting(document, params) {
        const { position } = params;
        const tb = new textBuffer_1.TextBuffer(document);
        if (params.ch === '\n') {
            const previousLine = tb.getLineContent(position.line - 1);
            if (previousLine.trimEnd().endsWith(':')) {
                let expectedIndentationLength = previousLine.length - previousLine.trimStart().length + params.options.tabSize;
                if (previousLine.trimStart().startsWith('-')) {
                    expectedIndentationLength += params.options.tabSize;
                }
                const currentLine = tb.getLineContent(position.line).replace('\r', '').replace('\n', '');
                if (currentLine.trim().length !== 0) {
                    // non-space content, do nothing
                    return;
                }
                else if (currentLine.length === expectedIndentationLength) {
                    // already right; do nothing
                    return;
                }
                else if (currentLine.length < expectedIndentationLength) {
                    return [vscode_languageserver_types_1.TextEdit.insert(position, ' '.repeat(expectedIndentationLength - currentLine.length))];
                }
                else {
                    return [
                        vscode_languageserver_types_1.TextEdit.del(vscode_languageserver_types_1.Range.create(vscode_languageserver_types_1.Position.create(position.line, 0), vscode_languageserver_types_1.Position.create(position.line, currentLine.length - expectedIndentationLength))),
                    ];
                }
            }
            if (previousLine.trimEnd().endsWith('|')) {
                return [vscode_languageserver_types_1.TextEdit.insert(position, ' '.repeat(params.options.tabSize))];
            }
            if (previousLine.includes(' - ') && !previousLine.includes(': ')) {
                return [vscode_languageserver_types_1.TextEdit.insert(position, '- ')];
            }
            if (previousLine.includes(' - ') && previousLine.includes(': ')) {
                return [vscode_languageserver_types_1.TextEdit.insert(position, '  ')];
            }
        }
    }
});
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