timrwood/includer

'use strict';

module.exports = File;

var path = require('path');

function File(opts) {
    this.opts = opts;
    this._seen = {};

    this.paths = {
        base : path.resolve()
    };

    if (this.opts.paths) {
        this.resolvePaths(this.opts.paths);
    }

    if (this.opts.separator) {
        this.separator = this.opts.separator;
    }
}

File.prototype.resolvePaths = function (paths) {
    var resolved = this.paths;
    Object.keys(paths).forEach(function (key) {
        resolved[key] = paths[key];
    });
};

File.prototype.debug = function (message) {
    if (typeof this.opts.debug === 'function') {
        this.opts.debug(message);
    } else if (this.opts.debug) {
        console.log(message);
    }
};

File.prototype.see = function (filepath) {
    this._seen[filepath] = true;
};

File.prototype.separator = '\n';

File.prototype.wrap = function (src) {
    if (typeof this.opts.wrap === 'function') {
        return this.opts.wrap(src);
    }
    return '(function(){\n' + src + '\n})();';
};

File.prototype.seen = function (filepath) {
    // fixes inconsistent slashes in windows paths
    filepath = path.resolve(filepath);
    if (this._seen[filepath]) {
        this.debug('"' + filepath + '" skipped because it was already included.');
        return false;
    }
    return true;
};