Monaco - Editor (v 0.21.2) Autocomplete Suggestion Provider With All Words

Monaco Suggestion Provider With All Words.js

// Javascript code
const snippets = [
    {
        label: "fk",
        kind: monaco.languages.CompletionItemKind.Snippet,
        insertText: "fk ${1:table_name}.${2:field}",
        insertTextRules: monaco.languages.CompletionItemInsertTextRule.InsertAsSnippet,
        documentation: "Foreign key to table field statement"
    },
    {
        label: "fkc",
        kind: monaco.languages.CompletionItemKind.Snippet,
        insertText: "fk ${1:column_name} = ${2:table_name}.${3:field}",
        insertTextRules: monaco.languages.CompletionItemInsertTextRule.InsertAsSnippet,
        documentation: "Foreign key to table field statement"
    }
];

class MyCompletionItemProvider {
    provideCompletionItems(model, position) {
        const wordModel = model.getWordAtPosition(position);
        const columnBeforeWord =
            !!wordModel && wordModel.word.length
                ? position.column - wordModel.word.length
                : 0;

        // Get all the text content before the "word at cursor"
        var textUntilPosition = model.getValueInRange({
            startLineNumber: 1,
            startColumn: 1,
            endLineNumber: position.lineNumber,
            endColumn: Math.abs(columnBeforeWord),
        });

        let words = [...textUntilPosition.matchAll(/\w+/gi)].map((x) => x[0]);
        if (!!!words) {
            // No words typed; must be almost at begining... just return snippets
            return { suggestions: snippets };
        }

        // Find unique words that do not include my suggestions
        const labels = snippets.map((s) => s.label.toUpperCase());
        words = [
            ...new Set(
                words.filter((w) => labels.every((l) => l !== w.toUpperCase()))
            ),
        ];

        var merged = [
            ...snippets,
            ...words.map((w) => {
                return {
                    kind: monaco.languages.CompletionItemKind.Text,
                    label: w,
                    insertText: w,
                };
            }),
        ];

        // Return combined suggestions
        return { suggestions: merged };
    }
}

module.exports = new MyCompletionItemProvider();