@eccenca/gui-elements
Version:
GUI elements based on other libraries, usable in React application, written in Typescript.
75 lines • 2.91 kB
JavaScript
var __assign = (this && this.__assign) || function () {
__assign = Object.assign || function(t) {
for (var s, i = 1, n = arguments.length; i < n; i++) {
s = arguments[i];
for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
t[p] = s[p];
}
return t;
};
return __assign.apply(this, arguments);
};
import React from "react";
import { renderToString } from "react-dom/server.js";
import * as ReactIs from "react-is";
import { utils } from "./../index.js";
export var reduceToText = function (input, options) {
var _a = options || {}, maxNodes = _a.maxNodes, maxLength = _a.maxLength, decodeHtmlEntities = _a.decodeHtmlEntities;
var content = input;
var nodeCount = 0;
var onlyText = function (nodes) {
if (typeof maxNodes !== "undefined" && nodeCount >= maxNodes)
return "";
return React.Children.toArray(nodes)
.slice(0, maxNodes)
.map(function (child) {
var _a;
if (typeof maxNodes !== "undefined" && nodeCount >= maxNodes)
return "";
if (ReactIs.isFragment(child))
return onlyText((_a = child.props) === null || _a === void 0 ? void 0 : _a.children);
if (typeof child === "string" || typeof child === "number") {
nodeCount++;
return child.toString();
}
if (ReactIs.isElement(child)) {
nodeCount++;
return renderToString(React.createElement("span", null, child));
}
return "";
})
.join(" ");
};
var text = typeof content === "string" ? content : onlyText(content);
// Basic HTML cleanup
text = text.replace(/<[^\s][^>]*>/g, "").replace(/\n/g, " ");
if (decodeHtmlEntities) {
var decodeDefaultOptions_1 = {
isAttributeValue: true,
strict: true,
};
var decodeErrors_1 = 0;
// we decode in pieces to apply some error tolerance even in strict mode
text = text
.split(" ")
.map(function (value) {
try {
return utils.decodeHtmlEntities(value, __assign(__assign({}, decodeDefaultOptions_1), options === null || options === void 0 ? void 0 : options.decodeHtmlEntitiesOptions));
}
catch (_a) {
decodeErrors_1++;
return value;
}
})
.join(" ");
if (decodeErrors_1 > 0) {
// eslint-disable-next-line no-console
console.warn("".concat(decodeErrors_1, " parse error(s) for decodeHtmlEntities, return un-decoded text"), text);
}
}
if (typeof maxLength === "number") {
text = text.slice(0, maxLength);
}
return text.trim();
};
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