wepy-plugin-base64imgs/dist/index.js

wepy 图片转base64插件

'use strict';

Object.defineProperty(exports, "__esModule", {
    value: true
});

var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

var _path = require('path');

var _path2 = _interopRequireDefault(_path);

var _fs = require('fs');

var _fs2 = _interopRequireDefault(_fs);

var _mime = require('mime');

var _mime2 = _interopRequireDefault(_mime);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

var _class = function () {
    function _class() {
        var c = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};

        _classCallCheck(this, _class);

        var config = {
            css: true,
            html: true,
            js: true,
            mark: '#',
            size: 15000
        };

        this.setting = Object.assign({}, config, c);
    }

    _createClass(_class, [{
        key: 'apply',
        value: function apply(op) {
            var _this = this;

            var code = op.code,
                file = op.file;

            var typeList = [];

            if (!this.setting.path) {
                process.stderr.write('base64imgs\u5FC5\u987B\u8BBE\u7F6Epath\u503C');
                process.exit(3);
            }

            if (this.setting.css === true) {
                typeList.push('.wxss');
            }

            if (this.setting.html === true) {
                typeList.push('.wxml');
            }

            if (this.setting.js === true) {
                typeList.push('.js');
            }

            var reg = new RegExp('(' + typeList.join("|") + ')');

            if (code && reg.test(file)) {
                if (typeof code.match !== 'function') op.next();

                var _reg = new RegExp(this.setting.mark + "\\/([\\w\\-]+\\/)*[\\w\\-]+(.jpg|.jpeg|.png)", "g");
                var imgLists = code.match(_reg) || [];

                imgLists.map(function (imgPath) {
                    var reg = new RegExp(_this.setting.mark, "g");
                    var correctPath = imgPath.replace(reg, "");
                    var pathFile = _path2.default.join(process.cwd(), _this.setting.path || '', correctPath);

                    try {
                        var fileData = _fs2.default.readFileSync(pathFile);
                        var base64Data = fileData.toString('base64');
                        if (base64Data.length < _this.setting.size) {
                            var mimeType = _mime2.default.getType(pathFile);
                            var dataUri = 'data:' + mimeType + ';base64,' + base64Data;
                            op.code = op.code.replace(imgPath, '' + dataUri);
                        } else {
                            process.stderr.write(pathFile + '\u56FE\u7247\u5DF2\u8D85\u8FC7\u6700\u5927\u9650\u5236' + _this.setting.size + 'b, \u5EFA\u8BAE\u653E\u5165cdn \n');
                            process.exit(3);
                        }
                    } catch (e) {
                        console.log(JSON.stringify(e));
                        process.stderr.write(pathFile + '\u56FE\u7247\u8F6Cbase64\u5931\u8D25, \u8BF7\u67E5\u770B\u56FE\u7247\u8DEF\u5F84\u662F\u5426\u6B63\u786E');
                        process.exit(3);
                    }
                });
            }
            op.next();
        }
    }]);

    return _class;
}();

exports.default = _class;