dareway-rui/build/taglib/common/util.js

'use strict';

var _interopRequireDefault = require('@babel/runtime/helpers/interopRequireDefault');

Object.defineProperty(exports, '__esModule', {
    value: true
});
exports.filterValueByMaxLength = filterValueByMaxLength;
exports.default = void 0;

var _typeof2 = _interopRequireDefault(require('@babel/runtime/helpers/typeof'));

function getByteVal(val, max) {
    var returnValue = '',
        byteValLen = 0;

    for (var i = 0; i < val.length; i++) {
        var charCode = val.charCodeAt(i);

        if (charCode >= 0 && charCode <= 128) {
            byteValLen += 1;
        } else {
            byteValLen += 2;
        }

        if (byteValLen > max) break;
        returnValue += val.charAt(i);
    }

    return returnValue;
}

function getBinaryLength(str) {
    if (typeof str == null) {
        throw new Error('getBinaryLength(str) 入参 str 为 null，请检查!');
    }

    var binaryLength = 0;

    for (var i = 0; i < str.length; i++) {
        var charCode = str.charCodeAt(i);

        if (charCode >= 0 && charCode <= 128) {
            binaryLength += 1;
        } else {
            binaryLength += 2;
        }
    }

    return binaryLength;
}

function filterValueByMaxLength(value) {
    var maxLength = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : -1;

    if (!(typeof maxLength === 'number' && (maxLength > 0 || maxLength === -1))) {
        throw new Error(
            'maxLength \u5FC5\u987B\u4E3A number \u7C7B\u578B\uFF0C\u4E14\u53D6\u503C\u53EA\u80FD\u662F \u3010-1 \u6216 >0 \u3011\uFF0C\u5F53\u524D\u4F20\u5165\u3010'
                .concat(maxLength, '\uFF0C')
                .concat((0, _typeof2.default)(maxLength), '\u3011\uFF0C\u8BF7\u68C0\u67E5\uFF01')
        );
    }

    if (maxLength === -1) {
        return value;
    } else if (maxLength > 0) {
        var newValue = value;
        var cLength = getBinaryLength(value);

        if (cLength > maxLength) {
            newValue = getByteVal(value, maxLength);
        }

        return newValue;
    } else {
        throw new Error(
            'filterValueByMaxLength(value, maxLength) \u5165\u53C2 maxLength \u503C\u4E3A\u3010'.concat(
                maxLength,
                '\u3011\uFF0C\u6B63\u786E\u53D6\u503C\u4E3A\u3010-1 \u6216 >0\u3011\uFF0C\u8BF7\u68C0\u67E5\uFF01'
            )
        );
    }
}

var _default = {
    getByteVal: getByteVal,
    getBinaryLength: getBinaryLength
};
exports.default = _default;

//@ sourceMappingURL=util.js.map