@wordpress/components
Version:
UI components for WordPress.
81 lines (78 loc) • 2.39 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.TRUNCATE_TYPE = exports.TRUNCATE_ELLIPSIS = exports.TRUNCATE_DEFAULT_PROPS = void 0;
exports.truncateContent = truncateContent;
exports.truncateMiddle = truncateMiddle;
var _values = require("../utils/values");
/**
* Internal dependencies
*/
const TRUNCATE_ELLIPSIS = exports.TRUNCATE_ELLIPSIS = '…';
const TRUNCATE_TYPE = exports.TRUNCATE_TYPE = {
auto: 'auto',
head: 'head',
middle: 'middle',
tail: 'tail',
none: 'none'
};
const TRUNCATE_DEFAULT_PROPS = exports.TRUNCATE_DEFAULT_PROPS = {
ellipsis: TRUNCATE_ELLIPSIS,
ellipsizeMode: TRUNCATE_TYPE.auto,
limit: 0,
numberOfLines: 0
};
// Source
// https://github.com/kahwee/truncate-middle
function truncateMiddle(word, headLength, tailLength, ellipsis) {
if (typeof word !== 'string') {
return '';
}
const wordLength = word.length;
// Setting default values
// eslint-disable-next-line no-bitwise
const frontLength = ~~headLength; // Will cast to integer
// eslint-disable-next-line no-bitwise
const backLength = ~~tailLength;
/* istanbul ignore next */
const truncateStr = (0, _values.isValueDefined)(ellipsis) ? ellipsis : TRUNCATE_ELLIPSIS;
if (frontLength === 0 && backLength === 0 || frontLength >= wordLength || backLength >= wordLength || frontLength + backLength >= wordLength) {
return word;
} else if (backLength === 0) {
return word.slice(0, frontLength) + truncateStr;
}
return word.slice(0, frontLength) + truncateStr + word.slice(wordLength - backLength);
}
function truncateContent(words = '', props) {
const mergedProps = {
...TRUNCATE_DEFAULT_PROPS,
...props
};
const {
ellipsis,
ellipsizeMode,
limit
} = mergedProps;
if (ellipsizeMode === TRUNCATE_TYPE.none) {
return words;
}
let truncateHead;
let truncateTail;
switch (ellipsizeMode) {
case TRUNCATE_TYPE.head:
truncateHead = 0;
truncateTail = limit;
break;
case TRUNCATE_TYPE.middle:
truncateHead = Math.floor(limit / 2);
truncateTail = Math.floor(limit / 2);
break;
default:
truncateHead = limit;
truncateTail = 0;
}
const truncatedContent = ellipsizeMode !== TRUNCATE_TYPE.auto ? truncateMiddle(words, truncateHead, truncateTail, ellipsis) : words;
return truncatedContent;
}
//# sourceMappingURL=utils.js.map