automin/lib/components/minify.js

"Create a minified mirror version of your js, css, html, json files"

"use strict";
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    var desc = Object.getOwnPropertyDescriptor(m, k);
    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
      desc = { enumerable: true, get: function() { return m[k]; } };
    }
    Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
    if (mod && mod.__esModule) return mod;
    var result = {};
    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
    __setModuleDefault(result, mod);
    return result;
};
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const env_res_1 = __importDefault(require("env-res"));
const outputs_1 = require("../helpers/outputs");
const minifiers = __importStar(require("./minifier"));
const path_1 = require("path");
const fs_1 = require("fs");
const mkdirp_1 = __importDefault(require("mkdirp"));
const size_converter_1 = __importDefault(require("../helpers/size-converter"));
;
const copy = (src, dest) => {
    try {
        (0, fs_1.copyFileSync)(src, dest);
        return false;
    }
    catch (err) { }
    return false;
};
exports.default = (files) => {
    const methods = minifiers;
    files.forEach((file) => {
        const ext = (0, path_1.extname)(file).substring(1).toLowerCase();
        let diff = (0, fs_1.statSync)(file).size;
        // Replace input with output directory
        const outdir = file.replace(env_res_1.default.get("input"), env_res_1.default.get("output"));
        // Get the file contents
        const code = (0, fs_1.readFileSync)(file, {
            encoding: "utf8",
            flag: "r"
        });
        // Create Output directories if does not exists
        mkdirp_1.default.sync((0, path_1.dirname)(outdir));
        let res = {
            output: "",
            hasError: false
        };
        // Copy the file if its lessthan 1kb size/contents
        if (code.length < 1024) {
            // If we does not have avalable
            // minifier, just make a copy
            // and paste it on output folder.
            try {
                // I want to see if there was a changes
                // in old file(if exists) and new file
                //
                // May throw an error if output
                // file does not exists
                diff -= (0, fs_1.statSync)(outdir).size;
            }
            catch (err) { }
            res.hasError = copy(file, outdir);
            (0, outputs_1.print_stats)(file.substring(env_res_1.default.get("input").length + 1), {
                diff: (0, size_converter_1.default)(diff),
                stat: (res.hasError) ? "Bad" : "Copied"
            });
            return;
        }
        else {
            // If we have available minifier, then...
            res = methods[ext](file, code);
        }
        try {
            // Save results to a new/ouput directories
            (0, fs_1.writeFileSync)(outdir, res.output, {
                encoding: "utf8",
                flag: "w"
            });
            diff -= (0, fs_1.statSync)(outdir).size;
        }
        catch (err) {
            res.hasError = true;
        }
        (0, outputs_1.print_stats)(file.substring(env_res_1.default.get("input").length + 1), {
            diff: (0, size_converter_1.default)(diff),
            stat: (res.hasError) ? "Failed" : "Okay"
        });
    });
};