cspell/dist/esm/repl/index.js

A Spelling Checker for Code!

import * as readline from 'node:readline';
export function simpleRepl() {
    return new SimpleRepl();
}
export class SimpleRepl {
    prompt;
    beforeEach;
    completer;
    _history;
    rl;
    constructor(prompt = '> ') {
        this.prompt = prompt;
        this._history = [];
        this.rl = readline.createInterface({
            input: process.stdin,
            output: process.stdout,
            prompt,
            history: this._history,
            historySize: 100,
            completer: (line) => this._completer(line),
        });
        this.rl.on('history', (h) => ((this._history = h), undefined));
    }
    question(query) {
        return new Promise((resolve) => {
            this.rl.question(query, resolve);
        });
    }
    _completer(line) {
        // console.log('Complete: %s', line);
        // console.log('History: %o', this._history);
        if (this.completer)
            return this.completer(line);
        const hist = this._history.filter((h) => h.startsWith(line));
        return [hist, line];
    }
    get history() {
        return this._history;
    }
    [Symbol.asyncIterator]() {
        const next = () => {
            if (this.beforeEach)
                this.beforeEach();
            // console.log('%o', this.rl);
            return this.question(this.prompt)
                .then((value) => ({ value }))
                .catch(() => ({ done: true, value: undefined }));
        };
        return { next };
    }
}
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