pixiv-illust/dist/utility.js

A third-party Node.js library for Pixiv.

'use strict';

Object.defineProperty(exports, "__esModule", {
    value: true
});
exports.isthenable = isthenable;
exports.cachedProperty = cachedProperty;
exports.replacePlaceholder = replacePlaceholder;
exports.getDate = getDate;

var _Bluebird = require('Bluebird');

var _Bluebird2 = _interopRequireDefault(_Bluebird);

var _lodash = require('lodash');

var _lodash2 = _interopRequireDefault(_lodash);

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

function isthenable(o) {
    return typeof (o && o.then) === 'function';
}

function cachedProperty(target, prop, descriptor) {
    var method = descriptor.value;
    descriptor.value = function () {
        for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
            args[_key] = arguments[_key];
        }

        var cache = this._cache = this._cache || {};
        if (cache.hasOwnProperty(prop)) {
            var _iteratorNormalCompletion = true;
            var _didIteratorError = false;
            var _iteratorError = undefined;

            try {
                for (var _iterator = cache[prop][Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
                    var result = _step.value;

                    if (_lodash2.default.isEqual(args, result.args)) {
                        var value = result.value;
                        return isthenable(value) ? value : _Bluebird2.default.resolve(value);
                    }
                }
            } catch (err) {
                _didIteratorError = true;
                _iteratorError = err;
            } finally {
                try {
                    if (!_iteratorNormalCompletion && _iterator.return) {
                        _iterator.return();
                    }
                } finally {
                    if (_didIteratorError) {
                        throw _iteratorError;
                    }
                }
            }
        }
        cache[prop] = cache[prop] || [];
        var ret = method.apply(this, args);
        ret = isthenable(ret) ? ret : _Bluebird2.default.resolve(ret);
        cache[prop].push({
            args: args,
            value: ret
        });
        return ret;
    };
    return descriptor;
}

function replacePlaceholder(str, dataSource) {
    var startDelimiter = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : '{{';
    var endDelimiter = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : '}}';

    var regex = new RegExp(startDelimiter + '(.*?)' + endDelimiter, 'g');
    str = str.toString();
    return str.replace(regex, function ($, $1) {
        return new Function('dataSource', 'try {\n                with(dataSource){\n                    return ' + $1 + ';\n                }\n            } catch(e) {\n                return "";\n            }')(dataSource);
    });
}

function getDate(d) {
    if (typeof d === 'string') {
        return d;
    }
    if (!(d instanceof Date)) {
        d = new Date(d);
    }
    var year = d.getFullYear();
    var month = d.getMonth() + 1;
    var date = d.getDate();
    return '' + year + _lodash2.default.padStart(month, 2, '0') + _lodash2.default.padStart(date, 2, '0');
}