772 lines
27 KiB
JavaScript
772 lines
27 KiB
JavaScript
(function (global, factory) {
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typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
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typeof define === 'function' && define.amd ? define(factory) :
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(global = global || self, global.Heti = factory());
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}(this, (function () { 'use strict';
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var commonjsGlobal = typeof globalThis !== 'undefined' ? globalThis : typeof window !== 'undefined' ? window : typeof global !== 'undefined' ? global : typeof self !== 'undefined' ? self : {};
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function createCommonjsModule(fn, module) {
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return module = { exports: {} }, fn(module, module.exports), module.exports;
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}
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var findAndReplaceDOMText = createCommonjsModule(function (module) {
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/**
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* findAndReplaceDOMText v 0.4.6
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* @author James Padolsey http://james.padolsey.com
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* @license http://unlicense.org/UNLICENSE
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*
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* Matches the text of a DOM node against a regular expression
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* and replaces each match (or node-separated portions of the match)
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* in the specified element.
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*/
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(function (root, factory) {
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if ( module.exports) {
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// Node/CommonJS
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module.exports = factory();
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} else {
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// Browser globals
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root.findAndReplaceDOMText = factory();
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}
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}(commonjsGlobal, function factory() {
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var PORTION_MODE_RETAIN = 'retain';
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var PORTION_MODE_FIRST = 'first';
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var doc = document;
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var hasOwn = {}.hasOwnProperty;
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function escapeRegExp(s) {
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return String(s).replace(/([.*+?^=!:${}()|[\]\/\\])/g, '\\$1');
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}
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function exposed() {
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// Try deprecated arg signature first:
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return deprecated.apply(null, arguments) || findAndReplaceDOMText.apply(null, arguments);
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}
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function deprecated(regex, node, replacement, captureGroup, elFilter) {
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if ((node && !node.nodeType) && arguments.length <= 2) {
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return false;
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}
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var isReplacementFunction = typeof replacement == 'function';
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if (isReplacementFunction) {
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replacement = (function(original) {
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return function(portion, match) {
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return original(portion.text, match.startIndex);
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};
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}(replacement));
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}
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// Awkward support for deprecated argument signature (<0.4.0)
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var instance = findAndReplaceDOMText(node, {
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find: regex,
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wrap: isReplacementFunction ? null : replacement,
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replace: isReplacementFunction ? replacement : '$' + (captureGroup || '&'),
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prepMatch: function(m, mi) {
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// Support captureGroup (a deprecated feature)
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if (!m[0]) throw 'findAndReplaceDOMText cannot handle zero-length matches';
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if (captureGroup > 0) {
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var cg = m[captureGroup];
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m.index += m[0].indexOf(cg);
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m[0] = cg;
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}
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m.endIndex = m.index + m[0].length;
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m.startIndex = m.index;
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m.index = mi;
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return m;
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},
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filterElements: elFilter
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});
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exposed.revert = function() {
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return instance.revert();
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};
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return true;
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}
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/**
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* findAndReplaceDOMText
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*
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* Locates matches and replaces with replacementNode
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*
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* @param {Node} node Element or Text node to search within
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* @param {RegExp} options.find The regular expression to match
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* @param {String|Element} [options.wrap] A NodeName, or a Node to clone
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* @param {String} [options.wrapClass] A classname to append to the wrapping element
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* @param {String|Function} [options.replace='$&'] What to replace each match with
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* @param {Function} [options.filterElements] A Function to be called to check whether to
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* process an element. (returning true = process element,
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* returning false = avoid element)
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*/
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function findAndReplaceDOMText(node, options) {
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return new Finder(node, options);
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}
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exposed.NON_PROSE_ELEMENTS = {
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br:1, hr:1,
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// Media / Source elements:
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script:1, style:1, img:1, video:1, audio:1, canvas:1, svg:1, map:1, object:1,
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// Input elements
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input:1, textarea:1, select:1, option:1, optgroup: 1, button:1
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};
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exposed.NON_CONTIGUOUS_PROSE_ELEMENTS = {
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// Elements that will not contain prose or block elements where we don't
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// want prose to be matches across element borders:
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// Block Elements
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address:1, article:1, aside:1, blockquote:1, dd:1, div:1,
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dl:1, fieldset:1, figcaption:1, figure:1, footer:1, form:1, h1:1, h2:1, h3:1,
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h4:1, h5:1, h6:1, header:1, hgroup:1, hr:1, main:1, nav:1, noscript:1, ol:1,
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output:1, p:1, pre:1, section:1, ul:1,
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// Other misc. elements that are not part of continuous inline prose:
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br:1, li: 1, summary: 1, dt:1, details:1, rp:1, rt:1, rtc:1,
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// Media / Source elements:
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script:1, style:1, img:1, video:1, audio:1, canvas:1, svg:1, map:1, object:1,
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// Input elements
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input:1, textarea:1, select:1, option:1, optgroup:1, button:1,
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// Table related elements:
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table:1, tbody:1, thead:1, th:1, tr:1, td:1, caption:1, col:1, tfoot:1, colgroup:1
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};
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exposed.NON_INLINE_PROSE = function(el) {
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return hasOwn.call(exposed.NON_CONTIGUOUS_PROSE_ELEMENTS, el.nodeName.toLowerCase());
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};
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// Presets accessed via `options.preset` when calling findAndReplaceDOMText():
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exposed.PRESETS = {
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prose: {
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forceContext: exposed.NON_INLINE_PROSE,
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filterElements: function(el) {
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return !hasOwn.call(exposed.NON_PROSE_ELEMENTS, el.nodeName.toLowerCase());
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}
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}
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};
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exposed.Finder = Finder;
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/**
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* Finder -- encapsulates logic to find and replace.
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*/
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function Finder(node, options) {
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// Add offset to fix browsers which don't support regex lookbehind.
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if (!options.offset) {
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options.offset = 0;
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}
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var preset = options.preset && exposed.PRESETS[options.preset];
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options.portionMode = options.portionMode || PORTION_MODE_RETAIN;
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if (preset) {
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for (var i in preset) {
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if (hasOwn.call(preset, i) && !hasOwn.call(options, i)) {
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options[i] = preset[i];
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}
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}
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}
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this.node = node;
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this.options = options;
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// Enable match-preparation method to be passed as option:
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this.prepMatch = options.prepMatch || this.prepMatch;
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this.reverts = [];
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this.matches = this.search();
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if (this.matches.length) {
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this.processMatches();
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}
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}
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Finder.prototype = {
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/**
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* Searches for all matches that comply with the instance's 'match' option
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*/
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search: function() {
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var match;
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var matchIndex = 0;
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var offset = 0;
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var regex = this.options.find;
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var textAggregation = this.getAggregateText();
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var matches = [];
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var self = this;
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regex = typeof regex === 'string' ? RegExp(escapeRegExp(regex), 'g') : regex;
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matchAggregation(textAggregation);
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function matchAggregation(textAggregation) {
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for (var i = 0, l = textAggregation.length; i < l; ++i) {
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var text = textAggregation[i];
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if (typeof text !== 'string') {
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// Deal with nested contexts: (recursive)
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matchAggregation(text);
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continue;
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}
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if (regex.global) {
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while (match = regex.exec(text)) {
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matches.push(self.prepMatch(match, matchIndex++, offset));
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}
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} else {
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if (match = text.match(regex)) {
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matches.push(self.prepMatch(match, 0, offset));
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}
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}
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offset += text.length;
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}
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}
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return matches;
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},
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/**
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* Prepares a single match with useful meta info:
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*/
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prepMatch: function(match, matchIndex, characterOffset) {
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if (!match[0]) {
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throw new Error('findAndReplaceDOMText cannot handle zero-length matches');
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}
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match.endIndex = characterOffset + match.index + match[0].length;
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match.startIndex = characterOffset + match.index;
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match.index = matchIndex;
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return match;
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},
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/**
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* Gets aggregate text within subject node
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*/
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getAggregateText: function() {
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var elementFilter = this.options.filterElements;
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var forceContext = this.options.forceContext;
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return getText(this.node);
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/**
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* Gets aggregate text of a node without resorting
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* to broken innerText/textContent
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*/
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function getText(node) {
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if (node.nodeType === Node.TEXT_NODE) {
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return [node.data];
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}
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if (elementFilter && !elementFilter(node)) {
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return [];
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}
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var txt = [''];
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var i = 0;
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if (node = node.firstChild) do {
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if (node.nodeType === Node.TEXT_NODE) {
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txt[i] += node.data;
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continue;
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}
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var innerText = getText(node);
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if (
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forceContext &&
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node.nodeType === Node.ELEMENT_NODE &&
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(forceContext === true || forceContext(node))
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) {
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txt[++i] = innerText;
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txt[++i] = '';
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} else {
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if (typeof innerText[0] === 'string') {
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// Bridge nested text-node data so that they're
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// not considered their own contexts:
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// I.e. ['some', ['thing']] -> ['something']
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txt[i] += innerText.shift();
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}
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if (innerText.length) {
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txt[++i] = innerText;
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txt[++i] = '';
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}
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}
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} while (node = node.nextSibling);
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return txt;
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}
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},
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/**
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* Steps through the target node, looking for matches, and
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* calling replaceFn when a match is found.
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*/
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processMatches: function() {
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var matches = this.matches;
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var node = this.node;
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var elementFilter = this.options.filterElements;
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var startPortion,
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endPortion,
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innerPortions = [],
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curNode = node,
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match = matches.shift(),
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atIndex = 0, // i.e. nodeAtIndex
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portionIndex = 0,
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doAvoidNode,
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nodeStack = [node];
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out: while (true) {
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if (curNode.nodeType === Node.TEXT_NODE) {
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if (!endPortion && curNode.length + atIndex >= match.endIndex) {
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// We've found the ending
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// (Note that, in the case of a single portion, it'll be an
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// endPortion, not a startPortion.)
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endPortion = {
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node: curNode,
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index: portionIndex++,
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text: curNode.data.substring(match.startIndex - atIndex + this.options.offset, match.endIndex - atIndex),
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// If it's the first match (atIndex==0) we should just return 0
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indexInMatch: atIndex === 0 ? 0 : atIndex - match.startIndex,
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indexInNode: match.startIndex - atIndex + this.options.offset,
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endIndexInNode: match.endIndex - atIndex,
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isEnd: true
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};
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} else if (startPortion) {
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// Intersecting node
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innerPortions.push({
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node: curNode,
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index: portionIndex++,
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text: curNode.data,
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indexInMatch: atIndex - match.startIndex,
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indexInNode: 0 // always zero for inner-portions
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});
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}
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if (!startPortion && curNode.length + atIndex > match.startIndex) {
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// We've found the match start
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startPortion = {
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node: curNode,
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index: portionIndex++,
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indexInMatch: 0,
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indexInNode: match.startIndex - atIndex + this.options.offset,
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endIndexInNode: match.endIndex - atIndex,
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text: curNode.data.substring(match.startIndex - atIndex + this.options.offset, match.endIndex - atIndex)
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};
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}
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atIndex += curNode.data.length;
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}
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doAvoidNode = curNode.nodeType === Node.ELEMENT_NODE && elementFilter && !elementFilter(curNode);
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if (startPortion && endPortion) {
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curNode = this.replaceMatch(match, startPortion, innerPortions, endPortion);
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// processMatches has to return the node that replaced the endNode
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// and then we step back so we can continue from the end of the
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// match:
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atIndex -= (endPortion.node.data.length - endPortion.endIndexInNode);
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startPortion = null;
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endPortion = null;
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innerPortions = [];
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match = matches.shift();
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portionIndex = 0;
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if (!match) {
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break; // no more matches
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}
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} else if (
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!doAvoidNode &&
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(curNode.firstChild || curNode.nextSibling)
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) {
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// Move down or forward:
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if (curNode.firstChild) {
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nodeStack.push(curNode);
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curNode = curNode.firstChild;
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} else {
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curNode = curNode.nextSibling;
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}
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continue;
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}
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// Move forward or up:
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while (true) {
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if (curNode.nextSibling) {
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curNode = curNode.nextSibling;
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break;
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}
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curNode = nodeStack.pop();
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if (curNode === node) {
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break out;
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}
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}
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}
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},
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/**
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* Reverts ... TODO
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*/
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revert: function() {
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// Reversion occurs backwards so as to avoid nodes subsequently
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// replaced during the matching phase (a forward process):
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for (var l = this.reverts.length; l--;) {
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this.reverts[l]();
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}
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this.reverts = [];
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},
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prepareReplacementString: function(string, portion, match) {
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var portionMode = this.options.portionMode;
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if (
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portionMode === PORTION_MODE_FIRST &&
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portion.indexInMatch > 0
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) {
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return '';
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}
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string = string.replace(/\$(\d+|&|`|')/g, function($0, t) {
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var replacement;
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switch(t) {
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case '&':
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replacement = match[0];
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break;
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case '`':
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replacement = match.input.substring(0, match.startIndex);
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break;
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case '\'':
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replacement = match.input.substring(match.endIndex);
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break;
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default:
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replacement = match[+t] || '';
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}
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return replacement;
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});
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if (portionMode === PORTION_MODE_FIRST) {
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return string;
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}
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if (portion.isEnd) {
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return string.substring(portion.indexInMatch);
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}
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return string.substring(portion.indexInMatch, portion.indexInMatch + portion.text.length);
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},
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getPortionReplacementNode: function(portion, match) {
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var replacement = this.options.replace || '$&';
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var wrapper = this.options.wrap;
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var wrapperClass = this.options.wrapClass;
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if (wrapper && wrapper.nodeType) {
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// Wrapper has been provided as a stencil-node for us to clone:
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var clone = doc.createElement('div');
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clone.innerHTML = wrapper.outerHTML || new XMLSerializer().serializeToString(wrapper);
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wrapper = clone.firstChild;
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}
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if (typeof replacement == 'function') {
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replacement = replacement(portion, match);
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if (replacement && replacement.nodeType) {
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return replacement;
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}
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return doc.createTextNode(String(replacement));
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}
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var el = typeof wrapper == 'string' ? doc.createElement(wrapper) : wrapper;
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if (el && wrapperClass) {
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el.className = wrapperClass;
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}
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replacement = doc.createTextNode(
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this.prepareReplacementString(
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replacement, portion, match
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)
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);
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if (!replacement.data) {
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return replacement;
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}
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if (!el) {
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return replacement;
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}
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el.appendChild(replacement);
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return el;
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},
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replaceMatch: function(match, startPortion, innerPortions, endPortion) {
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var matchStartNode = startPortion.node;
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var matchEndNode = endPortion.node;
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var precedingTextNode;
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var followingTextNode;
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if (matchStartNode === matchEndNode) {
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var node = matchStartNode;
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if (startPortion.indexInNode > 0) {
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// Add `before` text node (before the match)
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precedingTextNode = doc.createTextNode(node.data.substring(0, startPortion.indexInNode));
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node.parentNode.insertBefore(precedingTextNode, node);
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}
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// Create the replacement node:
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var newNode = this.getPortionReplacementNode(
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endPortion,
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match
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);
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node.parentNode.insertBefore(newNode, node);
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if (endPortion.endIndexInNode < node.length) { // ?????
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// Add `after` text node (after the match)
|
|
followingTextNode = doc.createTextNode(node.data.substring(endPortion.endIndexInNode));
|
|
node.parentNode.insertBefore(followingTextNode, node);
|
|
}
|
|
|
|
node.parentNode.removeChild(node);
|
|
|
|
this.reverts.push(function() {
|
|
if (precedingTextNode === newNode.previousSibling) {
|
|
precedingTextNode.parentNode.removeChild(precedingTextNode);
|
|
}
|
|
if (followingTextNode === newNode.nextSibling) {
|
|
followingTextNode.parentNode.removeChild(followingTextNode);
|
|
}
|
|
newNode.parentNode.replaceChild(node, newNode);
|
|
});
|
|
|
|
return newNode;
|
|
|
|
} else {
|
|
// Replace matchStartNode -> [innerMatchNodes...] -> matchEndNode (in that order)
|
|
|
|
|
|
precedingTextNode = doc.createTextNode(
|
|
matchStartNode.data.substring(0, startPortion.indexInNode)
|
|
);
|
|
|
|
followingTextNode = doc.createTextNode(
|
|
matchEndNode.data.substring(endPortion.endIndexInNode)
|
|
);
|
|
|
|
var firstNode = this.getPortionReplacementNode(
|
|
startPortion,
|
|
match
|
|
);
|
|
|
|
var innerNodes = [];
|
|
|
|
for (var i = 0, l = innerPortions.length; i < l; ++i) {
|
|
var portion = innerPortions[i];
|
|
var innerNode = this.getPortionReplacementNode(
|
|
portion,
|
|
match
|
|
);
|
|
portion.node.parentNode.replaceChild(innerNode, portion.node);
|
|
this.reverts.push((function(portion, innerNode) {
|
|
return function() {
|
|
innerNode.parentNode.replaceChild(portion.node, innerNode);
|
|
};
|
|
}(portion, innerNode)));
|
|
innerNodes.push(innerNode);
|
|
}
|
|
|
|
var lastNode = this.getPortionReplacementNode(
|
|
endPortion,
|
|
match
|
|
);
|
|
|
|
matchStartNode.parentNode.insertBefore(precedingTextNode, matchStartNode);
|
|
matchStartNode.parentNode.insertBefore(firstNode, matchStartNode);
|
|
matchStartNode.parentNode.removeChild(matchStartNode);
|
|
|
|
matchEndNode.parentNode.insertBefore(lastNode, matchEndNode);
|
|
matchEndNode.parentNode.insertBefore(followingTextNode, matchEndNode);
|
|
matchEndNode.parentNode.removeChild(matchEndNode);
|
|
|
|
this.reverts.push(function() {
|
|
precedingTextNode.parentNode.removeChild(precedingTextNode);
|
|
firstNode.parentNode.replaceChild(matchStartNode, firstNode);
|
|
followingTextNode.parentNode.removeChild(followingTextNode);
|
|
lastNode.parentNode.replaceChild(matchEndNode, lastNode);
|
|
});
|
|
|
|
return lastNode;
|
|
}
|
|
}
|
|
|
|
};
|
|
|
|
return exposed;
|
|
|
|
}));
|
|
});
|
|
|
|
/**
|
|
* Heti add-on v 0.1.0
|
|
* Add right spacing between CJK & ANS characters
|
|
*/
|
|
|
|
const hasOwn = {}.hasOwnProperty;
|
|
const HETI_NON_CONTIGUOUS_ELEMENTS = Object.assign({}, findAndReplaceDOMText.NON_CONTIGUOUS_PROSE_ELEMENTS, {
|
|
ins: 1, del: 1, s: 1, a: 1,
|
|
});
|
|
const HETI_SKIPPED_ELEMENTS = Object.assign({}, findAndReplaceDOMText.NON_PROSE_ELEMENTS, {
|
|
pre: 1, code: 1, sup: 1, sub: 1, 'heti-spacing': 1, 'heti-close': 1,
|
|
});
|
|
const HETI_SKIPPED_CLASS = 'heti-skip';
|
|
|
|
// 部分正则表达式修改自 pangu.js https://github.com/vinta/pangu.js
|
|
const CJK = '\u2e80-\u2eff\u2f00-\u2fdf\u3040-\u309f\u30a0-\u30fa\u30fc-\u30ff\u3100-\u312f\u3200-\u32ff\u3400-\u4dbf\u4e00-\u9fff\uf900-\ufaff';
|
|
const A = 'A-Za-z\u0080-\u00ff\u0370-\u03ff';
|
|
const N = '0-9';
|
|
const S = '`~!@#\\$%\\^&\\*\\(\\)-_=\\+\\[\\]{}\\\\\\|;:\'",<.>\\/\\?';
|
|
const ANS = `${A}${N}${S}`;
|
|
const REG_CJK_FULL = `(?<=[${CJK}])( *[${ANS}]+(?: +[${ANS}]+)* *)(?=[${CJK}])`;
|
|
const REG_CJK_START = `([${ANS}]+(?: +[${ANS}]+)* *)(?=[${CJK}])`;
|
|
const REG_CJK_END = `(?<=[${CJK}])( *[${ANS}]+(?: +[${ANS}]+)*)`;
|
|
const REG_CJK_FULL_WITHOUT_LOOKBEHIND = `(?:[${CJK}])( *[${ANS}]+(?: +[${ANS}]+)* *)(?=[${CJK}])`;
|
|
const REG_CJK_END_WITHOUT_LOOKBEHIND = `(?:[${CJK}])( *[${ANS}]+(?: +[${ANS}]+)*)`;
|
|
const REG_BD_STOP = `。．，、：；！‼？⁇`;
|
|
const REG_BD_SEP = `·・‧`;
|
|
const REG_BD_OPEN = `「『（《〈【〖〔［｛`;
|
|
const REG_BD_CLOSE = `」』）》〉】〗〕］｝`;
|
|
const REG_BD_START = `${REG_BD_OPEN}${REG_BD_CLOSE}`;
|
|
const REG_BD_END = `${REG_BD_STOP}${REG_BD_OPEN}${REG_BD_CLOSE}`;
|
|
|
|
class Heti {
|
|
constructor (rootSelector) {
|
|
let supportLookBehind = true;
|
|
|
|
try {
|
|
new RegExp(`(?<=\d)\d`, 'g').test('');
|
|
} catch (err) {
|
|
console.info(err.name, '该浏览器尚未实现 RegExp positive lookbehind');
|
|
supportLookBehind = false;
|
|
}
|
|
|
|
this.rootSelector = rootSelector || '.heti';
|
|
this.REG_FULL = new RegExp(supportLookBehind ? REG_CJK_FULL : REG_CJK_FULL_WITHOUT_LOOKBEHIND, 'g');
|
|
this.REG_START = new RegExp(REG_CJK_START, 'g');
|
|
this.REG_END = new RegExp(supportLookBehind ? REG_CJK_END : REG_CJK_END_WITHOUT_LOOKBEHIND, 'g');
|
|
this.offsetWidth = supportLookBehind ? 0 : 1;
|
|
this.funcForceContext = function forceContext (el) {
|
|
return hasOwn.call(HETI_NON_CONTIGUOUS_ELEMENTS, el.nodeName.toLowerCase())
|
|
};
|
|
this.funcFilterElements = function filterElements (el) {
|
|
return (
|
|
!(el.classList && el.classList.contains(HETI_SKIPPED_CLASS)) &&
|
|
!hasOwn.call(HETI_SKIPPED_ELEMENTS, el.nodeName.toLowerCase())
|
|
)
|
|
};
|
|
}
|
|
|
|
spacingElements (elmList) {
|
|
for (let $$root of elmList) {
|
|
this.spacingElement($$root);
|
|
}
|
|
}
|
|
|
|
spacingElement ($$elm) {
|
|
const commonConfig = {
|
|
forceContext: this.funcForceContext,
|
|
filterElements: this.funcFilterElements,
|
|
};
|
|
const getWrapper = function (elementName, classList, text) {
|
|
const $$r = document.createElement(elementName);
|
|
$$r.className = classList;
|
|
$$r.textContent = text.trim();
|
|
return $$r
|
|
};
|
|
|
|
findAndReplaceDOMText($$elm, Object.assign({}, commonConfig, {
|
|
find: this.REG_FULL,
|
|
replace: portion => getWrapper('heti-spacing', 'heti-spacing-start heti-spacing-end', portion.text),
|
|
offset: this.offsetWidth,
|
|
}));
|
|
|
|
findAndReplaceDOMText($$elm, Object.assign({}, commonConfig, {
|
|
find: this.REG_START,
|
|
replace: portion => getWrapper('heti-spacing', 'heti-spacing-start', portion.text),
|
|
}));
|
|
|
|
findAndReplaceDOMText($$elm, Object.assign({}, commonConfig, {
|
|
find: this.REG_END,
|
|
replace: portion => getWrapper('heti-spacing', 'heti-spacing-end', portion.text),
|
|
offset: this.offsetWidth,
|
|
}));
|
|
|
|
findAndReplaceDOMText($$elm, Object.assign({}, commonConfig, {
|
|
find: new RegExp(`([${REG_BD_STOP}])(?=[${REG_BD_START}])|([${REG_BD_OPEN}])(?=[${REG_BD_OPEN}])|([${REG_BD_CLOSE}])(?=[${REG_BD_END}])`,'g'),
|
|
replace: portion => getWrapper('heti-adjacent', 'heti-adjacent-half', portion.text),
|
|
offset: this.offsetWidth,
|
|
}));
|
|
|
|
findAndReplaceDOMText($$elm, Object.assign({}, commonConfig, {
|
|
find: new RegExp(`([${REG_BD_SEP}])(?=[${REG_BD_OPEN}])|([${REG_BD_CLOSE}])(?=[${REG_BD_SEP}])`,'g'),
|
|
replace: portion => getWrapper('heti-adjacent', 'heti-adjacent-quarter', portion.text),
|
|
offset: this.offsetWidth,
|
|
}));
|
|
}
|
|
|
|
autoSpacing () {
|
|
document.addEventListener('DOMContentLoaded', () => {
|
|
const $$rootList = document.querySelectorAll(this.rootSelector);
|
|
|
|
for (let $$root of $$rootList) {
|
|
this.spacingElement($$root);
|
|
}
|
|
});
|
|
}
|
|
}
|
|
|
|
return Heti;
|
|
|
|
})));
|