feat: close brackets automatically

自动关闭括号
This commit is contained in:
yanglbme 2019-12-07 18:03:26 +08:00
parent da47016fd6
commit 5d13acb1e0
5 changed files with 193 additions and 243 deletions

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@ -46,6 +46,7 @@ let app = new Vue({
lineNumbers: false, lineNumbers: false,
lineWrapping: true, lineWrapping: true,
styleActiveLine: true, styleActiveLine: true,
autoCloseBrackets: true,
theme: this.currentEditorTheme, theme: this.currentEditorTheme,
mode: 'text/x-markdown' mode: 'text/x-markdown'
} }

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@ -98,7 +98,6 @@ let WxRenderer = function (opts) {
styleMapping = this.buildTheme(this.opts.theme); styleMapping = this.buildTheme(this.opts.theme);
let renderer = new marked.Renderer(); let renderer = new marked.Renderer();
FuriganaMD.register(renderer);
renderer.heading = (text, level) => { renderer.heading = (text, level) => {
switch (level) { switch (level) {

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@ -128,7 +128,7 @@
<script src="libs/scripts/prettify.min.js"></script> <script src="libs/scripts/prettify.min.js"></script>
<script src="libs/scripts/index.js"></script> <script src="libs/scripts/index.js"></script>
<script src="libs/scripts/jquery.min.js"></script> <script src="libs/scripts/jquery.min.js"></script>
<script src="libs/scripts/FuriganaMD.js"></script> <script src="libs/scripts/closebrackets.js"></script>
<script src="assets/scripts/sync-scroll.js"></script> <script src="assets/scripts/sync-scroll.js"></script>
<script src="assets/scripts/themes/default-theme.js"></script> <script src="assets/scripts/themes/default-theme.js"></script>

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@ -1,241 +0,0 @@
/**
* 注音功能来自于https://github.com/amclees/furigana-markdown
* 详见上述文档
*/
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
typeof define === 'function' && define.amd ? define(factory) :
(global.FuriganaMD = factory());
}(this, (function () {
'use strict';
// This function escapes special characters for use in a regex constructor.
function escapeForRegex(string) {
return string.replace(/[-\/\\^$*+?.()|[\]{}]/g, '\\$&');
}
function emptyStringFilter(block) {
return block !== '';
}
const kanjiRange = '\\u4e00-\\u9faf';
const kanjiBlockRegex = new RegExp(`[${kanjiRange}]+`, 'g');
const nonKanjiBlockRegex = new RegExp(`[^${kanjiRange}]+`, 'g');
const kanaWithAnnotations = '\\u3041-\\u3095\\u3099-\\u309c\\u3081-\\u30fa\\u30fc';
const furiganaSeperators = '..。・';
const seperatorRegex = new RegExp(`[${furiganaSeperators}]`, 'g');
const singleKanjiRegex = new RegExp(`^[${kanjiRange}]$`);
function isKanji(character) {
return character.match(singleKanjiRegex);
}
const innerRegexString = '(?:[^\\u0000-\\u007F]|\\w)+';
let regexList = [];
let previousFuriganaForms = '';
function updateRegexList(furiganaForms) {
previousFuriganaForms = furiganaForms;
let formArray = furiganaForms.split('|');
if (formArray.length === 0) {
formArray = ['[]:^:()'];
}
regexList = formArray.map(form => {
let furiganaComponents = form.split(':');
if (furiganaComponents.length !== 3) {
furiganaComponents = ['[]', '^', '()'];
}
const mainBrackets = furiganaComponents[0];
const seperator = furiganaComponents[1];
const furiganaBrackets = furiganaComponents[2];
return new RegExp(
escapeForRegex(mainBrackets[0]) +
'(' + innerRegexString + ')' +
escapeForRegex(mainBrackets[1]) +
escapeForRegex(seperator) +
escapeForRegex(furiganaBrackets[0]) +
'(' + innerRegexString + ')' +
escapeForRegex(furiganaBrackets[1]),
'g'
);
});
}
let autoRegexList = [];
let previousAutoBracketSets = '';
function updateAutoRegexList(autoBracketSets) {
previousAutoBracketSets = autoBracketSets;
autoRegexList = autoBracketSets.split('|').map(brackets => {
/*
Sample built regex:
/(^|[^\u4e00-\u9faf]|)([\u4e00-\u9faf]+)([\u3041-\u3095\u3099-\u309c\u3081-\u30fa\u30fc]*)【((?:[^【】\u4e00-\u9faf]|w)+)】/g
*/
return new RegExp(
`(^|[^${kanjiRange}]|)` +
`([${kanjiRange}]+)` +
`([${kanaWithAnnotations}]*)` +
escapeForRegex(brackets[0]) +
`((?:[^${escapeForRegex(brackets)}\\u0000-\\u007F]|\\w|[${furiganaSeperators}])+)` +
escapeForRegex(brackets[1]),
'g'
);
});
}
let replacementTemplate = '';
let replacementBrackets = '';
function updateReplacementTemplate(furiganaFallbackBrackets) {
if (furiganaFallbackBrackets.length !== 2) {
furiganaFallbackBrackets = '【】';
}
replacementBrackets = furiganaFallbackBrackets;
replacementTemplate = `<ruby>$1<rp>${furiganaFallbackBrackets[0]}</rp><rt style="line-height:1;font-size:10px;">$2</rt><rp>${furiganaFallbackBrackets[1]}</rp></ruby>`;
}
updateReplacementTemplate('【】');
function addFurigana(text, options) {
if (options.furiganaForms !== previousFuriganaForms) {
updateRegexList(options.furiganaForms);
}
if (options.furiganaFallbackBrackets !== replacementBrackets) {
updateReplacementTemplate(options.furiganaFallbackBrackets);
}
regexList.forEach(regex => {
text = text.replace(regex, (match, wordText, furiganaText, offset, mainText) => {
if (match.indexOf('\\') === -1 && mainText[offset - 1] !== '\\') {
if ((!options.furiganaPatternMatching) || wordText.search(kanjiBlockRegex) === -1 || wordText[0].search(kanjiBlockRegex) === -1) {
return replacementTemplate.replace('$1', wordText).replace('$2', furiganaText);
} else {
let originalFuriganaText = (' ' + furiganaText).slice(1);
let nonKanji = wordText.split(kanjiBlockRegex).filter(emptyStringFilter);
let kanji = wordText.split(nonKanjiBlockRegex).filter(emptyStringFilter);
let replacementText = '';
let lastUsedKanjiIndex = 0;
if (nonKanji.length === 0) {
return replacementTemplate.replace('$1', wordText).replace('$2', furiganaText);
}
nonKanji.forEach((currentNonKanji, index) => {
if (furiganaText === undefined) {
if (index < kanji.length) {
replacementText += kanji[index];
}
replacementText += currentNonKanji;
return;
}
let splitFurigana = furiganaText.split(new RegExp(escapeForRegex(currentNonKanji) + '(.*)')).filter(emptyStringFilter);
lastUsedKanjiIndex = index;
replacementText += replacementTemplate.replace('$1', kanji[index]).replace('$2', splitFurigana[0]);
replacementText += currentNonKanji;
furiganaText = splitFurigana[1];
});
if (furiganaText !== undefined && lastUsedKanjiIndex + 1 < kanji.length) {
replacementText += replacementTemplate.replace('$1', kanji[lastUsedKanjiIndex + 1]).replace('$2', furiganaText);
} else if (furiganaText !== undefined) {
return replacementTemplate.replace('$1', wordText).replace('$2', originalFuriganaText);
} else if (lastUsedKanjiIndex + 1 < kanji.length) {
replacementText += kanji[lastUsedKanjiIndex + 1];
}
return replacementText;
}
} else {
return match;
}
});
});
if (!options.furiganaStrictMode) {
if (options.furiganaAutoBracketSets !== previousAutoBracketSets) {
updateAutoRegexList(options.furiganaAutoBracketSets);
}
autoRegexList.forEach(regex => {
text = text.replace(regex, (match, preWordTerminator, wordKanji, wordKanaSuffix, furiganaText, offset, mainText) => {
if (match.indexOf('\\') === -1) {
if (options.furiganaPatternMatching) {
let rubies = [];
let furigana = furiganaText;
let stem = (' ' + wordKanaSuffix).slice(1);
for (let i = furiganaText.length - 1; i >= 0; i--) {
if (wordKanaSuffix.length === 0) {
furigana = furiganaText.substring(0, i + 1);
break;
}
if (furiganaText[i] !== wordKanaSuffix.slice(-1)) {
furigana = furiganaText.substring(0, i + 1);
break;
}
wordKanaSuffix = wordKanaSuffix.slice(0, -1);
}
if (furiganaSeperators.split('').reduce(
(noSeperator, seperator) => {
return noSeperator && (furigana.indexOf(seperator) === -1);
},
true
)) {
rubies = [replacementTemplate.replace('$1', wordKanji).replace('$2', furigana)];
} else {
let kanaParts = furigana.split(seperatorRegex);
let kanji = wordKanji.split('');
if (kanaParts.length === 0 || kanaParts.length > kanji.length) {
rubies = [replacementTemplate.replace('$1', wordKanji).replace('$2', furigana)];
} else {
for (let i = 0; i < kanaParts.length - 1; i++) {
if (kanji.length === 0) {
break;
}
rubies.push(replacementTemplate.replace('$1', kanji.shift()).replace('$2', kanaParts[i]));
}
let lastKanaPart = kanaParts.pop();
rubies.push(replacementTemplate.replace('$1', kanji.join('')).replace('$2', lastKanaPart));
}
}
return preWordTerminator + rubies.join('') + stem;
} else {
return preWordTerminator + replacementTemplate.replace('$1', wordKanji).replace('$2', furiganaText) + wordKanaSuffix;
}
} else {
return match;
}
});
});
}
return text;
}
function handleEscapedSpecialBrackets(text) {
// By default 【 and 】 cannot be escaped in markdown, this will remove backslashes from in front of them to give that effect.
return text.replace(/\\([【】])/g, '$1');
}
let FuriganaMD = {};
FuriganaMD.register = function (renderer) {
renderer.text = function (text) {
let options = {
furigana: true,
furiganaForms: "()::{}",
furiganaFallbackBrackets: "{}",
furiganaStrictMode: false,
furiganaAutoBracketSets: "{}",
furiganaPatternMatching: true,
};
// console.log('override text render',text);
// console.log('after add',addFurigana(text, options));
return handleEscapedSpecialBrackets(addFurigana(text, options));
};
};
return FuriganaMD;
})));

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@ -0,0 +1,191 @@
// CodeMirror, copyright (c) by Marijn Haverbeke and others
// Distributed under an MIT license: https://codemirror.net/LICENSE
(function(mod) {
if (typeof exports == "object" && typeof module == "object") // CommonJS
mod(require("../../lib/codemirror"));
else if (typeof define == "function" && define.amd) // AMD
define(["../../lib/codemirror"], mod);
else // Plain browser env
mod(CodeMirror);
})(function(CodeMirror) {
var defaults = {
pairs: "()[]{}''\"\"",
closeBefore: ")]}'\":;>",
triples: "",
explode: "[]{}"
};
var Pos = CodeMirror.Pos;
CodeMirror.defineOption("autoCloseBrackets", false, function(cm, val, old) {
if (old && old != CodeMirror.Init) {
cm.removeKeyMap(keyMap);
cm.state.closeBrackets = null;
}
if (val) {
ensureBound(getOption(val, "pairs"))
cm.state.closeBrackets = val;
cm.addKeyMap(keyMap);
}
});
function getOption(conf, name) {
if (name == "pairs" && typeof conf == "string") return conf;
if (typeof conf == "object" && conf[name] != null) return conf[name];
return defaults[name];
}
var keyMap = {Backspace: handleBackspace, Enter: handleEnter};
function ensureBound(chars) {
for (var i = 0; i < chars.length; i++) {
var ch = chars.charAt(i), key = "'" + ch + "'"
if (!keyMap[key]) keyMap[key] = handler(ch)
}
}
ensureBound(defaults.pairs + "`")
function handler(ch) {
return function(cm) { return handleChar(cm, ch); };
}
function getConfig(cm) {
var deflt = cm.state.closeBrackets;
if (!deflt || deflt.override) return deflt;
var mode = cm.getModeAt(cm.getCursor());
return mode.closeBrackets || deflt;
}
function handleBackspace(cm) {
var conf = getConfig(cm);
if (!conf || cm.getOption("disableInput")) return CodeMirror.Pass;
var pairs = getOption(conf, "pairs");
var ranges = cm.listSelections();
for (var i = 0; i < ranges.length; i++) {
if (!ranges[i].empty()) return CodeMirror.Pass;
var around = charsAround(cm, ranges[i].head);
if (!around || pairs.indexOf(around) % 2 != 0) return CodeMirror.Pass;
}
for (var i = ranges.length - 1; i >= 0; i--) {
var cur = ranges[i].head;
cm.replaceRange("", Pos(cur.line, cur.ch - 1), Pos(cur.line, cur.ch + 1), "+delete");
}
}
function handleEnter(cm) {
var conf = getConfig(cm);
var explode = conf && getOption(conf, "explode");
if (!explode || cm.getOption("disableInput")) return CodeMirror.Pass;
var ranges = cm.listSelections();
for (var i = 0; i < ranges.length; i++) {
if (!ranges[i].empty()) return CodeMirror.Pass;
var around = charsAround(cm, ranges[i].head);
if (!around || explode.indexOf(around) % 2 != 0) return CodeMirror.Pass;
}
cm.operation(function() {
var linesep = cm.lineSeparator() || "\n";
cm.replaceSelection(linesep + linesep, null);
cm.execCommand("goCharLeft");
ranges = cm.listSelections();
for (var i = 0; i < ranges.length; i++) {
var line = ranges[i].head.line;
cm.indentLine(line, null, true);
cm.indentLine(line + 1, null, true);
}
});
}
function contractSelection(sel) {
var inverted = CodeMirror.cmpPos(sel.anchor, sel.head) > 0;
return {anchor: new Pos(sel.anchor.line, sel.anchor.ch + (inverted ? -1 : 1)),
head: new Pos(sel.head.line, sel.head.ch + (inverted ? 1 : -1))};
}
function handleChar(cm, ch) {
var conf = getConfig(cm);
if (!conf || cm.getOption("disableInput")) return CodeMirror.Pass;
var pairs = getOption(conf, "pairs");
var pos = pairs.indexOf(ch);
if (pos == -1) return CodeMirror.Pass;
var closeBefore = getOption(conf,"closeBefore");
var triples = getOption(conf, "triples");
var identical = pairs.charAt(pos + 1) == ch;
var ranges = cm.listSelections();
var opening = pos % 2 == 0;
var type;
for (var i = 0; i < ranges.length; i++) {
var range = ranges[i], cur = range.head, curType;
var next = cm.getRange(cur, Pos(cur.line, cur.ch + 1));
if (opening && !range.empty()) {
curType = "surround";
} else if ((identical || !opening) && next == ch) {
if (identical && stringStartsAfter(cm, cur))
curType = "both";
else if (triples.indexOf(ch) >= 0 && cm.getRange(cur, Pos(cur.line, cur.ch + 3)) == ch + ch + ch)
curType = "skipThree";
else
curType = "skip";
} else if (identical && cur.ch > 1 && triples.indexOf(ch) >= 0 &&
cm.getRange(Pos(cur.line, cur.ch - 2), cur) == ch + ch) {
if (cur.ch > 2 && /\bstring/.test(cm.getTokenTypeAt(Pos(cur.line, cur.ch - 2)))) return CodeMirror.Pass;
curType = "addFour";
} else if (identical) {
var prev = cur.ch == 0 ? " " : cm.getRange(Pos(cur.line, cur.ch - 1), cur)
if (!CodeMirror.isWordChar(next) && prev != ch && !CodeMirror.isWordChar(prev)) curType = "both";
else return CodeMirror.Pass;
} else if (opening && (next.length === 0 || /\s/.test(next) || closeBefore.indexOf(next) > -1)) {
curType = "both";
} else {
return CodeMirror.Pass;
}
if (!type) type = curType;
else if (type != curType) return CodeMirror.Pass;
}
var left = pos % 2 ? pairs.charAt(pos - 1) : ch;
var right = pos % 2 ? ch : pairs.charAt(pos + 1);
cm.operation(function() {
if (type == "skip") {
cm.execCommand("goCharRight");
} else if (type == "skipThree") {
for (var i = 0; i < 3; i++)
cm.execCommand("goCharRight");
} else if (type == "surround") {
var sels = cm.getSelections();
for (var i = 0; i < sels.length; i++)
sels[i] = left + sels[i] + right;
cm.replaceSelections(sels, "around");
sels = cm.listSelections().slice();
for (var i = 0; i < sels.length; i++)
sels[i] = contractSelection(sels[i]);
cm.setSelections(sels);
} else if (type == "both") {
cm.replaceSelection(left + right, null);
cm.triggerElectric(left + right);
cm.execCommand("goCharLeft");
} else if (type == "addFour") {
cm.replaceSelection(left + left + left + left, "before");
cm.execCommand("goCharRight");
}
});
}
function charsAround(cm, pos) {
var str = cm.getRange(Pos(pos.line, pos.ch - 1),
Pos(pos.line, pos.ch + 1));
return str.length == 2 ? str : null;
}
function stringStartsAfter(cm, pos) {
var token = cm.getTokenAt(Pos(pos.line, pos.ch + 1))
return /\bstring/.test(token.type) && token.start == pos.ch &&
(pos.ch == 0 || !/\bstring/.test(cm.getTokenTypeAt(pos)))
}
});