単語抽出を行う際のエラーが分からない

Question

jsonファイルを読み込み、特定の単語を抽出しようと考えているのですが、
related_startPosにエラーが起こってしまいます。
エラー文は以下の通りです。
※このプログラムはjsonファイルを読み込み、文ごとにその「=>」の左右の語があるか検索し
あればそれぞれ特定の色でハイライトするというものです。

'use strict';
import * as vscode from 'vscode';
import * as fs from 'fs';


export function activate(context: vscode.ExtensionContext) {
    console.log('Congratulations, your extension "semieditor" is now active!');
    const readsemiJson = JSON.parse(fs.readFileSync('D:\specification\src\sample.json','utf8'));


    context.subscriptions.push(vscode.commands.registerCommand('extension.color', () => {
        vscode.window.showInformationMessage("Color Range Word");
        // 特定の単語に色付け
        const timeWordList = readsemiJson.時間;
        const strengthTimeWordList = readsemiJson.強時間;
        const futurePhraseWordList = readsemiJson.未来句;
        const quantityWordList = readsemiJson.数量;
        const numberOfHoursWordList = readsemiJson.時数ノ;
        const strengthQuantityQualifiedWordList = readsemiJson.強数量修飾;
        const numberOfTimeWordList = readsemiJson.回数;

        const timeWords: vscode.DecorationOptions[] = [];
        const strengthTimeWords: vscode.DecorationOptions[] = [];
        const futurePhraseWords: vscode.DecorationOptions[] = [];
        const quantityWords: vscode.DecorationOptions[] = [];
        const numberOfHoursWords: vscode.DecorationOptions[] = [];
        const strengthQuantityQualifiedWords: vscode.DecorationOptions[] = [];
        const numberOfTimeWords: vscode.DecorationOptions[] = [];
        const dependencyRelationWords: vscode.DecorationOptions[] = [];

        var timeCount = 0;
        var strengthtimeCount = 0;
        var futurephraseCount = 0;
        var quantityCount = 0;
        var numberofhoursCount = 0;
        var strengthquantityqualifiedCount = 0;
        var numberoftimeCount = 0;

        //child -> parent(値域) semiについて
        function fromObjecttoRange(WordList: any,foundWordList: vscode.DecorationOptions[],dependencyRelationList: vscode.DecorationOptions[],Count: number){
            const activeEditor = vscode.window.activeTextEditor;
            const text = activeEditor.document.getText(); //ドキュメント取得            

            if (WordList.length > 0) {
                var rangelist = [];
                var parentlist = [];
                for (let i = 0; i < WordList.length; i++){
                    let word = WordList[i].split('=>');
                    if (word[0] === 'なし'){
                        rangelist.push(word[1]);
                    }
                    else{
                        parentlist.push(word[0]);
                        rangelist.push(word[1]);
                    }
                }
                let rangewordreg = rangelist[0];
                for(let i = 1; i < rangelist.length; i++){
                    let range = rangelist[i];
                    rangewordreg = rangewordreg + '|' + range;
                }

                const rangewordString = rangewordreg;
                const regrangeWord = eval("/(" + rangewordString + ")/g;");

                let match;


                //値域、状態値を表現する語を抽出
                while(match = regrangeWord.exec(text)){
                    const startPos = activeEditor.document.positionAt(match.index);
                    const endPos = activeEditor.document.positionAt(match.index + match[0].length);
                    const decoration = { range: new vscode.Range(startPos, endPos) };
                    foundWordList.push(decoration);
                    Count++;

                    if(startPos !== null){
                    // 値域、状態値に係る語を抽出
                        for(let i = 0; i < parentlist.length; i++){
                            const related_startPos = text.lastIndexOf(parentlist[i],match.index);
                            const related_endPos = text.lastIndexOf(parentlist[i],match.index + match[0].length);
                            const related_decoration = {range: new vscode.Range(related_startPos, related_endPos)};
                            dependencyRelationWords.push(related_decoration);
                            Count++;
                        }
                    }
                }
            }
    }

        function decorateWord() {
            const activeEditor = vscode.window.activeTextEditor;
            // const text = activeEditor.document.getText(); //ドキュメント取得
    
            //時間
            fromObjecttoRange(timeWordList,timeWords,dependencyRelationWords,timeCount);
                //強時間
            fromObjecttoRange(strengthTimeWordList,strengthTimeWords,dependencyRelationWords,strengthtimeCount);
                //未来句
            fromObjecttoRange(futurePhraseWordList,futurePhraseWords,dependencyRelationWords,futurephraseCount);
                // 数量
            fromObjecttoRange(quantityWordList,quantityWords,dependencyRelationWords,quantityCount);
                //時数ノ
            fromObjecttoRange(numberOfHoursWordList,numberOfHoursWords,dependencyRelationWords,numberofhoursCount);
                //強数量修飾
            fromObjecttoRange(strengthQuantityQualifiedWordList,strengthQuantityQualifiedWords,dependencyRelationWords,strengthquantityqualifiedCount);
                //回数
            fromObjecttoRange(numberOfTimeWordList,numberOfTimeWords,dependencyRelationWords,numberoftimeCount);
    
            activeEditor.setDecorations(timeMarkerDecoration,timeWords);
            activeEditor.setDecorations(strengthTimeMarkerDecoration,strengthTimeWords);
            activeEditor.setDecorations(futurePhraseMarkerDecoration,futurePhraseWords);
            activeEditor.setDecorations(quantityMarkerDecoration,quantityWords);
            activeEditor.setDecorations(numberOfHoursMarkerDecoration,numberOfHoursWords);
            activeEditor.setDecorations(strengthQuantityQualifiedMarkerDecoration,strengthQuantityQualifiedWords);
            activeEditor.setDecorations(numberOfTimesMarkerDecoration,numberOfTimeWords);
            activeEditor.setDecorations(dependencyRelation,dependencyRelationWords);
        }
        decorateWord();
    }));

        //時間に色付け
        const timeMarkerDecoration = vscode.window.createTextEditorDecorationType({
            'borderWidth': '1px',
            'borderRadius': '2px',
            'borderStyle': 'solid',
            // 'backgroundColor': 'rgba(255, 0, 0, 0.3)',
            'backgroundColor': 'rgba(128, 128, 0, 0.3)',
            // 'color':'red'
            'color':'orange'
        });
    
        //強時間に色付け
        const strengthTimeMarkerDecoration = vscode.window.createTextEditorDecorationType({
            'borderWidth': '1px',
            'borderRadius': '2px',
            'borderStyle': 'solid',
            // 'backgroundColor': 'rgba(0, 0, 255, 0.3)',
            'backgroundColor': 'rgba(128, 128, 0, 0.3)',
            // 'color':'blue'
            'color':'orange'
        });
    
        //未来句に色付け
        const futurePhraseMarkerDecoration = vscode.window.createTextEditorDecorationType({
            'borderWidth': '1px',
            'borderRadius': '2px',
            'borderStyle': 'solid',
            // 'backgroundColor': 'rgba(0, 255, 0, 0.3)',
            'backgroundColor': 'rgba(128, 128, 0, 0.3)',
            // 'color':'lightgreen'
            'color':'orange'
        });
    
        //数量に色付け
        const quantityMarkerDecoration = vscode.window.createTextEditorDecorationType({
            'borderWidth': '1px',
            'borderRadius': '2px',
            'borderStyle': 'solid',
            // 'backgroundColor': 'rgba(255, 255, 0, 0.3)',
            'backgroundColor': 'rgba(128, 128, 0, 0.3)',
            // 'color':'yellow'
            'color':'orange'
        });
    
        //時数ノに色付け
        const numberOfHoursMarkerDecoration = vscode.window.createTextEditorDecorationType({
            'borderWidth': '1px',
            'borderRadius': '2px',
            'borderStyle': 'solid',
            // 'backgroundColor': 'rgba(0, 255, 255, 0.3)',
            'backgroundColor': 'rgba(128, 128, 0, 0.3)',
            // 'color':'lightblue'
            'color':'orange'
        });
    
        //強数量修飾に色付け
        const strengthQuantityQualifiedMarkerDecoration = vscode.window.createTextEditorDecorationType({
            'borderWidth': '1px',
            'borderRadius': '2px',
            'borderStyle': 'solid',
            // 'backgroundColor': 'rgba(255, 0, 255, 0.3)',
            'backgroundColor': 'rgba(128, 128, 0, 0.3)',
            // 'color':'purple'
            'color':'orange'
        });
    
        //回数に色付け
        const numberOfTimesMarkerDecoration = vscode.window.createTextEditorDecorationType({
            'borderWidth': '1px',
            'borderRadius': '2px',
            'borderStyle': 'solid',
            'backgroundColor': 'rgba(128, 128, 0, 0.3)',
            'color':'orange'
        });
    
        //係り受けの対象を色付け
        const dependencyRelation = vscode.window.createTextEditorDecorationType({
            'borderWidth': '1px',
            'borderRadius': '2px',
            'borderStyle': 'solid',
            'backgroundColor': 'rgba(0, 255, 0, 0.3)',
            'color':'lightgreen'
        });
    // }
}

{
    "強時間": [
        "ドア入力右=>常時",
        "なし=>常時",
        "なし=>長時間",
        "ドア入力I=>常時",
        "扉閉め忘れ=>一定時間以上"
    ]
}

Answer 1

vscode.Rangeの引数にはvscode.Position型を渡す必要があります。 → doc

vscode.Position(行数, 文字数) でインスタンスを生成して渡せば型の解決にはなると思います。