@arco-design/web-react
Version:
Arco Design React UI Library.
58 lines (57 loc) • 2.87 kB
JavaScript
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var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
}) : (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 });
var escapeRegExp_1 = __importDefault(require("lodash/escapeRegExp"));
var react_1 = __importStar(require("react"));
var is_1 = require("./is");
function getHighlightText(_a) {
var nodeList = _a.nodeList, pattern = _a.pattern, highlightClassName = _a.highlightClassName;
if (!pattern) {
return nodeList;
}
var transformNode = function (node) {
if (node && node.props && typeof node.props.children === 'string') {
return (0, react_1.cloneElement)(node, undefined, react_1.default.createElement(HighlightText, { text: node.props.children, keyword: pattern, highlightClassName: highlightClassName }));
}
return node;
};
return (0, is_1.isArray)(nodeList) ? nodeList.map(function (node) { return transformNode(node); }) : transformNode(nodeList);
}
exports.default = getHighlightText;
function HighlightText(_a) {
var text = _a.text, keyword = _a.keyword, highlightClassName = _a.highlightClassName;
if (!keyword)
return react_1.default.createElement(react_1.default.Fragment, null, text);
// limit keyword length to avoid Regular expression too large error
if (keyword.length > 1000) {
keyword = keyword.slice(0, 1000);
}
// 注意这里的括号，这里使用了带capture group功能的正则，来split字符串
// 从而在strArr中可以保留匹配文本
var re = new RegExp("(" + (0, escapeRegExp_1.default)(keyword) + ")", 'i');
var strArr = text.split(re);
return (react_1.default.createElement(react_1.default.Fragment, null, strArr.map(function (item, index) {
return re.test(item) ? (react_1.default.createElement("span", { key: index, className: highlightClassName }, item)) : (react_1.default.createElement("span", { key: index }, item));
})));
}