lib/formatters/base.js

// Copyright (c) 2021, Compiler Explorer Authors
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import * as exec from '../exec';

export class BaseFormatter {
    constructor(formatterInfo) {
        this.formatterInfo = formatterInfo;
    }

    /**
     * Format the provided source code using the formatting tool.
     *
     * This function should construct the final arguments passed to the tool
     * executable.
     *
     * Optionally accept a third argument to respect other formatting options.
     * The possible options passed are as follows:
     *
     * interface AdditionalFormatOptions {
     *     useSpaces: boolean;
     *     tabWidth: number;
     *     baseStyle: string;
     * }
     */
    async format(source, options) {
        const args = [`--style=${options.baseStyle}`];
        return await exec.execute(this.formatterInfo.exe, args, {input: source});
    }

    /**
     * Test if a formatting base style is valid for this formatter
     */
    isValidStyle(style) {
        return this.formatterInfo.styles.includes(style);
    }
}