UNPKG

ant-design-vue

Version:

An enterprise-class UI design language and Vue-based implementation

130 lines (109 loc) 3.85 kB
'use strict'; Object.defineProperty(exports, "__esModule", { value: true }); exports.getBeforeSelectionText = getBeforeSelectionText; exports.getLastMeasureIndex = getLastMeasureIndex; exports.replaceWithMeasure = replaceWithMeasure; exports.setInputSelection = setInputSelection; exports.validateSearch = validateSearch; exports.filterOption = filterOption; /** * Cut input selection into 2 part and return text before selection start */ function getBeforeSelectionText(input) { var selectionStart = input.selectionStart; return input.value.slice(0, selectionStart); } function lower(char) { return (char || '').toLowerCase(); } /** * Find the last match prefix index */ function getLastMeasureIndex(text) { var prefix = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : ''; var prefixList = Array.isArray(prefix) ? prefix : [prefix]; return prefixList.reduce(function (lastMatch, prefixStr) { var lastIndex = text.lastIndexOf(prefixStr); if (lastIndex > lastMatch.location) { return { location: lastIndex, prefix: prefixStr }; } return lastMatch; }, { location: -1, prefix: '' }); } function reduceText(text, targetText, split) { var firstChar = text[0]; if (!firstChar || firstChar === split) { return text; } // Reuse rest text as it can var restText = text; var targetTextLen = targetText.length; for (var i = 0; i < targetTextLen; i += 1) { if (lower(restText[i]) !== lower(targetText[i])) { restText = restText.slice(i); break; } else if (i === targetTextLen - 1) { restText = restText.slice(targetTextLen); } } return restText; } /** * Paint targetText into current text: * text: little@litest * targetText: light * => little @light test */ function replaceWithMeasure(text, measureConfig) { var measureLocation = measureConfig.measureLocation, prefix = measureConfig.prefix, targetText = measureConfig.targetText, selectionStart = measureConfig.selectionStart, split = measureConfig.split; // Before text will append one space if have other text var beforeMeasureText = text.slice(0, measureLocation); if (beforeMeasureText[beforeMeasureText.length - split.length] === split) { beforeMeasureText = beforeMeasureText.slice(0, beforeMeasureText.length - split.length); } if (beforeMeasureText) { beforeMeasureText = '' + beforeMeasureText + split; } // Cut duplicate string with current targetText var restText = reduceText(text.slice(selectionStart), targetText.slice(selectionStart - measureLocation - prefix.length), split); if (restText.slice(0, split.length) === split) { restText = restText.slice(split.length); } var connectedStartText = '' + beforeMeasureText + prefix + targetText + split; return { text: '' + connectedStartText + restText, selectionLocation: connectedStartText.length }; } function setInputSelection(input, location) { input.setSelectionRange(location, location); /** * Reset caret into view. * Since this function always called by user control, it's safe to focus element. */ input.blur(); input.focus(); } function validateSearch() { var text = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : ''; var props = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {}; var split = props.split; return !split || text.indexOf(split) === -1; } function filterOption() { var input = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : ''; var _ref = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {}, _ref$value = _ref.value, value = _ref$value === undefined ? '' : _ref$value; var lowerCase = input.toLowerCase(); return value.toLowerCase().indexOf(lowerCase) !== -1; }