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/* globals chrome: false */
/* globals __dirname: false */
/* globals require: false */
/* globals Buffer: false */
/* globals module: false */
/**
* Typo is a JavaScript implementation of a spellchecker using hunspell-style
* dictionaries.
*/
var Typo;
(function () {
"use strict";
/**
* Typo constructor.
*
* @param {string} [dictionary] The locale code of the dictionary being used. e.g.,
* "en_US". This is only used to auto-load dictionaries.
* @param {string} [affData] The data from the dictionary's .aff file. If omitted
* and Typo.js is being used in a Chrome extension, the .aff
* file will be loaded automatically from
* lib/typo/dictionaries/[dictionary]/[dictionary].aff
* In other environments, it will be loaded from
* [settings.dictionaryPath]/dictionaries/[dictionary]/[dictionary].aff
* @param {string} [wordsData] The data from the dictionary's .dic file. If omitted
* and Typo.js is being used in a Chrome extension, the .dic
* file will be loaded automatically from
* lib/typo/dictionaries/[dictionary]/[dictionary].dic
* In other environments, it will be loaded from
* [settings.dictionaryPath]/dictionaries/[dictionary]/[dictionary].dic
* @param {Object} [settings] Constructor settings. Available properties are:
* {string} [dictionaryPath]: path to load dictionary from in non-chrome
* environment.
* {Object} [flags]: flag information.
* {boolean} [asyncLoad]: If true, affData and wordsData will be loaded
* asynchronously.
* {Function} [loadedCallback]: Called when both affData and wordsData
* have been loaded. Only used if asyncLoad is set to true. The parameter
* is the instantiated Typo object.
*
* @returns {Typo} A Typo object.
*/
Typo = function (dictionary, affData, wordsData, settings) {
settings = settings || {};
this.dictionary = null;
this.rules = {};
this.dictionaryTable = {};
this.compoundRules = [];
this.compoundRuleCodes = {};
this.replacementTable = [];
this.flags = settings.flags || {};
this.memoized = {};
this.loaded = false;
var self = this;
var path;
// Loop-control variables.
var i, j, _len, _jlen;
if (dictionary) {
self.dictionary = dictionary;
// If the data is preloaded, just setup the Typo object.
if (affData && wordsData) {
setup();
}
// Loading data for browser extentions.
else if (typeof window !== 'undefined' && ((window.chrome && window.chrome.runtime) || (window.browser && window.browser.runtime))) {
var runtime = window.chrome && window.chrome.runtime ? window.chrome.runtime : window.browser.runtime;
if (settings.dictionaryPath) {
path = settings.dictionaryPath;
}
else {
path = "typo/dictionaries";
}
if (!affData)
readDataFile(runtime.getURL(path + "/" + dictionary + "/" + dictionary + ".aff"), setAffData);
if (!wordsData)
readDataFile(runtime.getURL(path + "/" + dictionary + "/" + dictionary + ".dic"), setWordsData);
}
// Loading data for Node.js or other environments.
else {
if (settings.dictionaryPath) {
path = settings.dictionaryPath;
}
else if (typeof __dirname !== 'undefined') {
path = __dirname + '/dictionaries';
}
else {
path = './dictionaries';
}
if (!affData)
readDataFile(path + "/" + dictionary + "/" + dictionary + ".aff", setAffData);
if (!wordsData)
readDataFile(path + "/" + dictionary + "/" + dictionary + ".dic", setWordsData);
}
}
function readDataFile(url, setFunc) {
var response = self._readFile(url, null, settings === null || settings === void 0 ? void 0 : settings.asyncLoad);
if (settings === null || settings === void 0 ? void 0 : settings.asyncLoad) {
response.then(function (data) {
setFunc(data);
});
}
else {
setFunc(response);
}
}
function setAffData(data) {
affData = data;
if (wordsData) {
setup();
}
}
function setWordsData(data) {
wordsData = data;
if (affData) {
setup();
}
}
function setup() {
self.rules = self._parseAFF(affData);
// Save the rule codes that are used in compound rules.
self.compoundRuleCodes = {};
for (i = 0, _len = self.compoundRules.length; i < _len; i++) {
var rule = self.compoundRules[i];
for (j = 0, _jlen = rule.length; j < _jlen; j++) {
self.compoundRuleCodes[rule[j]] = [];
}
}
// If we add this ONLYINCOMPOUND flag to self.compoundRuleCodes, then _parseDIC
// will do the work of saving the list of words that are compound-only.
if ("ONLYINCOMPOUND" in self.flags) {
self.compoundRuleCodes[self.flags.ONLYINCOMPOUND] = [];
}
self.dictionaryTable = self._parseDIC(wordsData);
// Get rid of any codes from the compound rule codes that are never used
// (or that were special regex characters). Not especially necessary...
for (i in self.compoundRuleCodes) {
if (self.compoundRuleCodes[i].length === 0) {
delete self.compoundRuleCodes[i];
}
}
// Build the full regular expressions for each compound rule.
// I have a feeling (but no confirmation yet) that this method of
// testing for compound words is probably slow.
for (i = 0, _len = self.compoundRules.length; i < _len; i++) {
var ruleText = self.compoundRules[i];
var expressionText = "";
for (j = 0, _jlen = ruleText.length; j < _jlen; j++) {
var character = ruleText[j];
if (character in self.compoundRuleCodes) {
expressionText += "(" + self.compoundRuleCodes[character].join("|") + ")";
}
else {
expressionText += character;
}
}
self.compoundRules[i] = new RegExp('^' + expressionText + '$', "i");
}
self.loaded = true;
if ((settings === null || settings === void 0 ? void 0 : settings.asyncLoad) && (settings === null || settings === void 0 ? void 0 : settings.loadedCallback)) {
settings.loadedCallback(self);
}
}
return this;
};
Typo.prototype = {
/**
* Loads a Typo instance from a hash of all of the Typo properties.
*
* @param {object} obj A hash of Typo properties, probably gotten from a JSON.parse(JSON.stringify(typo_instance)).
*/
load: function (obj) {
for (var i in obj) {
if (obj.hasOwnProperty(i)) {
this[i] = obj[i];
}
}
return this;
},
/**
* Read the contents of a file.
*
* @param {string} path The path (relative) to the file.
* @param {string} [charset="ISO8859-1"] The expected charset of the file
* @param {boolean} async If true, the file will be read asynchronously. For node.js this does nothing, all
* files are read synchronously.
* @returns {string} The file data if async is false, otherwise a promise object. If running node.js, the data is
* always returned.
*/
_readFile: function (path, charset, async) {
var _a;
charset = charset || "utf8";
if (typeof XMLHttpRequest !== 'undefined') {
var req_1 = new XMLHttpRequest();
req_1.open("GET", path, !!async);
(_a = req_1.overrideMimeType) === null || _a === void 0 ? void 0 : _a.call(req_1, "text/plain; charset=" + charset);
if (!!async) {
var promise = new Promise(function (resolve, reject) {
req_1.onload = function () {
if (req_1.status === 200) {
resolve(req_1.responseText);
}
else {
reject(req_1.statusText);
}
};
req_1.onerror = function () {
reject(req_1.statusText);
};
});
req_1.send(null);
return promise;
}
else {
req_1.send(null);
return req_1.responseText;
}
}
else if (typeof require !== 'undefined') {
// Node.js
var fs = require("fs");
try {
if (fs.existsSync(path)) {
return fs.readFileSync(path, charset);
}
else {
console.log("Path " + path + " does not exist.");
}
}
catch (e) {
console.log(e);
}
return '';
}
return '';
},
/**
* Parse the rules out from a .aff file.
*
* @param {string} data The contents of the affix file.
* @returns object The rules from the file.
*/
_parseAFF: function (data) {
var rules = {};
var line, subline, numEntries, lineParts;
var i, j, _len, _jlen;
var lines = data.split(/\r?\n/);
for (i = 0, _len = lines.length; i < _len; i++) {
// Remove comment lines
line = this._removeAffixComments(lines[i]);
line = line.trim();
if (!line) {
continue;
}
var definitionParts = line.split(/\s+/);
var ruleType = definitionParts[0];
if (ruleType === "PFX" || ruleType === "SFX") {
var ruleCode = definitionParts[1];
var combineable = definitionParts[2];
numEntries = parseInt(definitionParts[3], 10);
var entries = [];
for (j = i + 1, _jlen = i + 1 + numEntries; j < _jlen; j++) {
subline = lines[j];
lineParts = subline.split(/\s+/);
var charactersToRemove = lineParts[2];
var additionParts = lineParts[3].split("/");
var charactersToAdd = additionParts[0];
if (charactersToAdd === "0")
charactersToAdd = "";
var continuationClasses = this.parseRuleCodes(additionParts[1]);
var regexToMatch = lineParts[4];
var entry = {
add: charactersToAdd
};
if (continuationClasses.length > 0)
entry.continuationClasses = continuationClasses;
if (regexToMatch !== ".") {
if (ruleType === "SFX") {
entry.match = new RegExp(regexToMatch + "$");
}
else {
entry.match = new RegExp("^" + regexToMatch);
}
}
if (charactersToRemove != "0") {
if (ruleType === "SFX") {
entry.remove = new RegExp(charactersToRemove + "$");
}
else {
entry.remove = charactersToRemove;
}
}
entries.push(entry);
}
rules[ruleCode] = { "type": ruleType, "combineable": (combineable === "Y"), "entries": entries };
i += numEntries;
}
else if (ruleType === "COMPOUNDRULE") {
numEntries = parseInt(definitionParts[1], 10);
for (j = i + 1, _jlen = i + 1 + numEntries; j < _jlen; j++) {
line = lines[j];
lineParts = line.split(/\s+/);
this.compoundRules.push(lineParts[1]);
}
i += numEntries;
}
else if (ruleType === "REP") {
lineParts = line.split(/\s+/);
if (lineParts.length === 3) {
this.replacementTable.push([lineParts[1], lineParts[2]]);
}
}
else {
// ONLYINCOMPOUND
// COMPOUNDMIN
// FLAG
// KEEPCASE
// NEEDAFFIX
this.flags[ruleType] = definitionParts[1];
}
}
return rules;
},
/**
* Removes comments.
*
* @param {string} data A line from an affix file.
* @return {string} The cleaned-up line.
*/
_removeAffixComments: function (line) {
// This used to remove any string starting with '#' up to the end of the line,
// but some COMPOUNDRULE definitions include '#' as part of the rule.
// So, only remove lines that begin with a comment, optionally preceded by whitespace.
if (line.match(/^\s*#/)) {
return '';
}
return line;
},
/**
* Parses the words out from the .dic file.
*
* @param {string} data The data from the dictionary file.
* @returns HashMap The lookup table containing all of the words and
* word forms from the dictionary.
*/
_parseDIC: function (data) {
data = this._removeDicComments(data);
var lines = data.split(/\r?\n/);
var dictionaryTable = {};
function addWord(word, rules) {
// Some dictionaries will list the same word multiple times with different rule sets.
if (!dictionaryTable.hasOwnProperty(word)) {
dictionaryTable[word] = null;
}
if (rules.length > 0) {
if (dictionaryTable[word] === null) {
dictionaryTable[word] = [];
}
dictionaryTable[word].push(rules);
}
}
// The first line is the number of words in the dictionary.
for (var i = 1, _len = lines.length; i < _len; i++) {
var line = lines[i];
if (!line) {
// Ignore empty lines.
continue;
}
// The line format is one of:
// word
// word/flags
// word/flags xx:abc yy:def
// word xx:abc yy:def
// We don't use the morphological flags (xx:abc, yy:def) and we don't want them included
// in the extracted flags.
var just_word_and_flags = line.replace(/\s.*$/, '');
// just_word_and_flags is definitely one of:
// word
// word/flags
var parts = just_word_and_flags.split('/', 2);
var word = parts[0];
// Now for each affix rule, generate that form of the word.
if (parts.length > 1) {
var ruleCodesArray = this.parseRuleCodes(parts[1]);
// Save the ruleCodes for compound word situations.
if (!("NEEDAFFIX" in this.flags) || ruleCodesArray.indexOf(this.flags.NEEDAFFIX) === -1) {
addWord(word, ruleCodesArray);
}
for (var j = 0, _jlen = ruleCodesArray.length; j < _jlen; j++) {
var code = ruleCodesArray[j];
var rule = this.rules[code];
if (rule) {
var newWords = this._applyRule(word, rule);
for (var ii = 0, _iilen = newWords.length; ii < _iilen; ii++) {
var newWord = newWords[ii];
addWord(newWord, []);
if (rule.combineable) {
for (var k = j + 1; k < _jlen; k++) {
var combineCode = ruleCodesArray[k];
var combineRule = this.rules[combineCode];
if (combineRule) {
if (combineRule.combineable && (rule.type != combineRule.type)) {
var otherNewWords = this._applyRule(newWord, combineRule);
for (var iii = 0, _iiilen = otherNewWords.length; iii < _iiilen; iii++) {
var otherNewWord = otherNewWords[iii];
addWord(otherNewWord, []);
}
}
}
}
}
}
}
if (code in this.compoundRuleCodes) {
this.compoundRuleCodes[code].push(word);
}
}
}
else {
addWord(word.trim(), []);
}
}
return dictionaryTable;
},
/**
* Removes comment lines and then cleans up blank lines and trailing whitespace.
*
* @param {string} data The data from a .dic file.
* @return {string} The cleaned-up data.
*/
_removeDicComments: function (data) {
// I can't find any official documentation on it, but at least the de_DE
// dictionary uses tab-indented lines as comments.
// Remove comments
data = data.replace(/^\t.*$/mg, "");
return data;
},
parseRuleCodes: function (textCodes) {
if (!textCodes) {
return [];
}
else if (!("FLAG" in this.flags)) {
// The flag symbols are single characters
return textCodes.split("");
}
else if (this.flags.FLAG === "long") {
// The flag symbols are two characters long.
var flags = [];
for (var i = 0, _len = textCodes.length; i < _len; i += 2) {
flags.push(textCodes.substr(i, 2));
}
return flags;
}
else if (this.flags.FLAG === "num") {
// The flag symbols are a CSV list of numbers.
return textCodes.split(",");
}
else if (this.flags.FLAG === "UTF-8") {
// The flags are single UTF-8 characters.
// @see https://github.com/cfinke/Typo.js/issues/57
return Array.from(textCodes);
}
else {
// It's possible that this fallback case will not work for all FLAG values,
// but I think it's more likely to work than not returning anything at all.
return textCodes.split("");
}
},
/**
* Applies an affix rule to a word.
*
* @param {string} word The base word.
* @param {Object} rule The affix rule.
* @returns {string[]} The new words generated by the rule.
*/
_applyRule: function (word, rule) {
var entries = rule.entries;
var newWords = [];
for (var i = 0, _len = entries.length; i < _len; i++) {
var entry = entries[i];
if (!entry.match || word.match(entry.match)) {
var newWord = word;
if (entry.remove) {
newWord = newWord.replace(entry.remove, "");
}
if (rule.type === "SFX") {
newWord = newWord + entry.add;
}
else {
newWord = entry.add + newWord;
}
newWords.push(newWord);
if ("continuationClasses" in entry) {
for (var j = 0, _jlen = entry.continuationClasses.length; j < _jlen; j++) {
var continuationRule = this.rules[entry.continuationClasses[j]];
if (continuationRule) {
newWords = newWords.concat(this._applyRule(newWord, continuationRule));
}
/*
else {
// This shouldn't happen, but it does, at least in the de_DE dictionary.
// I think the author mistakenly supplied lower-case rule codes instead
// of upper-case.
}
*/
}
}
}
}
return newWords;
},
/**
* Checks whether a word or a capitalization variant exists in the current dictionary.
* The word is trimmed and several variations of capitalizations are checked.
* If you want to check a word without any changes made to it, call checkExact()
*
* @see http://blog.stevenlevithan.com/archives/faster-trim-javascript re:trimming function
*
* @param {string} aWord The word to check.
* @returns {boolean}
*/
check: function (aWord) {
if (!this.loaded) {
throw "Dictionary not loaded.";
}
if (!aWord) {
return false;
}
// Remove leading and trailing whitespace
var trimmedWord = aWord.replace(/^\s\s*/, '').replace(/\s\s*$/, '');
if (this.checkExact(trimmedWord)) {
return true;
}
// The exact word is not in the dictionary.
if (trimmedWord.toUpperCase() === trimmedWord) {
// The word was supplied in all uppercase.
// Check for a capitalized form of the word.
var capitalizedWord = trimmedWord[0] + trimmedWord.substring(1).toLowerCase();
if (this.hasFlag(capitalizedWord, "KEEPCASE")) {
// Capitalization variants are not allowed for this word.
return false;
}
if (this.checkExact(capitalizedWord)) {
// The all-caps word is a capitalized word spelled correctly.
return true;
}
if (this.checkExact(trimmedWord.toLowerCase())) {
// The all-caps is a lowercase word spelled correctly.
return true;
}
}
var uncapitalizedWord = trimmedWord[0].toLowerCase() + trimmedWord.substring(1);
if (uncapitalizedWord !== trimmedWord) {
if (this.hasFlag(uncapitalizedWord, "KEEPCASE")) {
// Capitalization variants are not allowed for this word.
return false;
}
// Check for an uncapitalized form
if (this.checkExact(uncapitalizedWord)) {
// The word is spelled correctly but with the first letter capitalized.
return true;
}
}
return false;
},
/**
* Checks whether a word exists in the current dictionary.
*
* @param {string} word The word to check.
* @returns {boolean}
*/
checkExact: function (word) {
if (!this.loaded) {
throw "Dictionary not loaded.";
}
var ruleCodes = this.dictionaryTable[word];
var i, _len;
if (typeof ruleCodes === 'undefined') {
// Check if this might be a compound word.
if ("COMPOUNDMIN" in this.flags && word.length >= this.flags.COMPOUNDMIN) {
for (i = 0, _len = this.compoundRules.length; i < _len; i++) {
if (word.match(this.compoundRules[i])) {
return true;
}
}
}
}
else if (ruleCodes === null) {
// a null (but not undefined) value for an entry in the dictionary table
// means that the word is in the dictionary but has no flags.
return true;
}
else if (typeof ruleCodes === 'object') { // this.dictionary['hasOwnProperty'] will be a function.
for (i = 0, _len = ruleCodes.length; i < _len; i++) {
if (!this.hasFlag(word, "ONLYINCOMPOUND", ruleCodes[i])) {
return true;
}
}
}
return false;
},
/**
* Looks up whether a given word is flagged with a given flag.
*
* @param {string} word The word in question.
* @param {string} flag The flag in question.
* @return {boolean}
*/
hasFlag: function (word, flag, wordFlags) {
if (!this.loaded) {
throw "Dictionary not loaded.";
}
if (flag in this.flags) {
if (typeof wordFlags === 'undefined') {
wordFlags = Array.prototype.concat.apply([], this.dictionaryTable[word]);
}
if (wordFlags && wordFlags.indexOf(this.flags[flag]) !== -1) {
return true;
}
}
return false;
},
/**
* Returns a list of suggestions for a misspelled word.
*
* @see http://www.norvig.com/spell-correct.html for the basis of this suggestor.
* This suggestor is primitive, but it works.
*
* @param {string} word The misspelling.
* @param {number} [limit=5] The maximum number of suggestions to return.
* @returns {string[]} The array of suggestions.
*/
alphabet: "",
suggest: function (word, limit) {
if (!this.loaded) {
throw "Dictionary not loaded.";
}
limit = limit || 5;
if (this.memoized.hasOwnProperty(word)) {
var memoizedLimit = this.memoized[word]['limit'];
// Only return the cached list if it's big enough or if there weren't enough suggestions
// to fill a smaller limit.
if (limit <= memoizedLimit || this.memoized[word]['suggestions'].length < memoizedLimit) {
return this.memoized[word]['suggestions'].slice(0, limit);
}
}
if (this.check(word))
return [];
// Check the replacement table.
for (var i = 0, _len = this.replacementTable.length; i < _len; i++) {
var replacementEntry = this.replacementTable[i];
if (word.indexOf(replacementEntry[0]) !== -1) {
var correctedWord = word.replace(replacementEntry[0], replacementEntry[1]);
if (this.check(correctedWord)) {
return [correctedWord];
}
}
}
if (!this.alphabet) {
// Use the English alphabet as the default. Problematic, but backwards-compatible.
this.alphabet = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
// Any characters defined in the affix file as substitutions can go in the alphabet too.
// Note that dictionaries do not include the entire alphabet in the TRY flag when it's there.
// For example, Q is not in the default English TRY list; that's why having the default
// alphabet above is useful.
if ('TRY' in this.flags) {
this.alphabet += this.flags['TRY'];
}
// Plus any additional characters specifically defined as being allowed in words.
if ('WORDCHARS' in this.flags) {
this.alphabet += this.flags['WORDCHARS'];
}
// Remove any duplicates.
var alphaArray = this.alphabet.split("");
alphaArray.sort();
var alphaHash = {};
for (var i = 0; i < alphaArray.length; i++) {
alphaHash[alphaArray[i]] = true;
}
this.alphabet = '';
for (var i in alphaHash) {
this.alphabet += i;
}
}
var self = this;
/**
* Returns a hash keyed by all of the strings that can be made by making a single edit to the word (or words in) `words`
* The value of each entry is the number of unique ways that the resulting word can be made.
*
* @arg HashMap words A hash keyed by words (all with the value `true` to make lookups very quick).
* @arg boolean known_only Whether this function should ignore strings that are not in the dictionary.
*/
function edits1(words, known_only) {
var rv = {};
var i, j, _iilen, _len, _jlen, _edit;
var alphabetLength = self.alphabet.length;
for (var word_1 in words) {
for (i = 0, _len = word_1.length + 1; i < _len; i++) {
var s = [word_1.substring(0, i), word_1.substring(i)];
// Remove a letter.
if (s[1]) {
_edit = s[0] + s[1].substring(1);
if (!known_only || self.check(_edit)) {
if (!(_edit in rv)) {
rv[_edit] = 1;
}
else {
rv[_edit] += 1;
}
}
}
// Transpose letters
// Eliminate transpositions of identical letters
if (s[1].length > 1 && s[1][1] !== s[1][0]) {
_edit = s[0] + s[1][1] + s[1][0] + s[1].substring(2);
if (!known_only || self.check(_edit)) {
if (!(_edit in rv)) {
rv[_edit] = 1;
}
else {
rv[_edit] += 1;
}
}
}
if (s[1]) {
// Replace a letter with another letter.
var lettercase = (s[1].substring(0, 1).toUpperCase() === s[1].substring(0, 1)) ? 'uppercase' : 'lowercase';
for (j = 0; j < alphabetLength; j++) {
var replacementLetter = self.alphabet[j];
// Set the case of the replacement letter to the same as the letter being replaced.
if ('uppercase' === lettercase) {
replacementLetter = replacementLetter.toUpperCase();
}
// Eliminate replacement of a letter by itself
if (replacementLetter != s[1].substring(0, 1)) {
_edit = s[0] + replacementLetter + s[1].substring(1);
if (!known_only || self.check(_edit)) {
if (!(_edit in rv)) {
rv[_edit] = 1;
}
else {
rv[_edit] += 1;
}
}
}
}
}
if (s[1]) {
// Add a letter between each letter.
for (j = 0; j < alphabetLength; j++) {
// If the letters on each side are capitalized, capitalize the replacement.
var lettercase = (s[0].substring(-1).toUpperCase() === s[0].substring(-1) && s[1].substring(0, 1).toUpperCase() === s[1].substring(0, 1)) ? 'uppercase' : 'lowercase';
var replacementLetter = self.alphabet[j];
if ('uppercase' === lettercase) {
replacementLetter = replacementLetter.toUpperCase();
}
_edit = s[0] + replacementLetter + s[1];
if (!known_only || self.check(_edit)) {
if (!(_edit in rv)) {
rv[_edit] = 1;
}
else {
rv[_edit] += 1;
}
}
}
}
}
}
return rv;
}
function correct(word) {
var _a;
// Get the edit-distance-1 and edit-distance-2 forms of this word.
var ed1 = edits1((_a = {}, _a[word] = true, _a));
var ed2 = edits1(ed1, true);
// Sort the edits based on how many different ways they were created.
var weighted_corrections = ed2;
for (var ed1word in ed1) {
if (!self.check(ed1word)) {
continue;
}
if (ed1word in weighted_corrections) {
weighted_corrections[ed1word] += ed1[ed1word];
}
else {
weighted_corrections[ed1word] = ed1[ed1word];
}
}
var i, _len;
var sorted_corrections = [];
for (i in weighted_corrections) {
if (weighted_corrections.hasOwnProperty(i)) {
if (self.hasFlag(i, "PRIORITYSUGGEST")) {
// We've defined a new affix rule called PRIORITYSUGGEST, indicating that
// if this word is in the suggestions list for a misspelled word, it should
// be given priority over other suggestions.
//
// Add a large number to its weight to push it to the top of the list.
// If multiple priority suggestions are in the list, they'll still be ranked
// against each other, but they'll all be above non-priority suggestions.
weighted_corrections[i] += 1000;
}
sorted_corrections.push([i, weighted_corrections[i]]);
}
}
function sorter(a, b) {
var a_val = a[1];
var b_val = b[1];
if (a_val < b_val) {
return -1;
}
else if (a_val > b_val) {
return 1;
}
// @todo If a and b are equally weighted, add our own weight based on something like the key locations on this language's default keyboard.
return b[0].localeCompare(a[0]);
}
sorted_corrections.sort(sorter).reverse();
var rv = [];
var capitalization_scheme = "lowercase";
if (word.toUpperCase() === word) {
capitalization_scheme = "uppercase";
}
else if (word.substr(0, 1).toUpperCase() + word.substr(1).toLowerCase() === word) {
capitalization_scheme = "capitalized";
}
var working_limit = limit;
for (i = 0; i < Math.min(working_limit, sorted_corrections.length); i++) {
if ("uppercase" === capitalization_scheme) {
sorted_corrections[i][0] = sorted_corrections[i][0].toUpperCase();
}
else if ("capitalized" === capitalization_scheme) {
sorted_corrections[i][0] = sorted_corrections[i][0].substr(0, 1).toUpperCase() + sorted_corrections[i][0].substr(1);
}
if (!self.hasFlag(sorted_corrections[i][0], "NOSUGGEST") && rv.indexOf(sorted_corrections[i][0]) === -1) {
rv.push(sorted_corrections[i][0]);
}
else {
// If one of the corrections is not eligible as a suggestion , make sure we still return the right number of suggestions.
working_limit++;
}
}
return rv;
}
this.memoized[word] = {
'suggestions': correct(word),
'limit': limit
};
return this.memoized[word]['suggestions'];
}
};
})();
// Support for use as a node.js module.
if (typeof module !== 'undefined') {
module.exports = Typo;
}