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authorAlex Yatskov <alex@foosoft.net>2016-12-20 22:43:27 -0800
committerAlex Yatskov <alex@foosoft.net>2016-12-20 22:43:27 -0800
commit45bf72b40bb1fd7a3c29679e34a0f5646bd7346c (patch)
tree455a5267dfdd4141ec9b6e4f860a75336865d82e /ext/bg
parentdd3db8faadb55ac2013df168a857a1d10d9184cd (diff)
dictionary result caching
Diffstat (limited to 'ext/bg')
-rw-r--r--ext/bg/js/translator.js22
1 files changed, 13 insertions, 9 deletions
diff --git a/ext/bg/js/translator.js b/ext/bg/js/translator.js
index 0b6b7c2d..f29b90c9 100644
--- a/ext/bg/js/translator.js
+++ b/ext/bg/js/translator.js
@@ -42,10 +42,11 @@ class Translator {
}
findTerm(text, dictionaries, enableSoftKatakanaSearch) {
- return this.findDeinflectionGroups(text, dictionaries).then(groups => {
+ const cache = {};
+ return this.findDeinflectionGroups(text, dictionaries, cache).then(groups => {
const textHiragana = wanakana._katakanaToHiragana(text);
if (text !== textHiragana && enableSoftKatakanaSearch) {
- return this.findDeinflectionGroups(textHiragana, dictionaries).then(groupsHiragana => {
+ return this.findDeinflectionGroups(textHiragana, dictionaries, cache).then(groupsHiragana => {
for (const key in groupsHiragana) {
groups[key] = groups[key] || groupsHiragana[key];
}
@@ -74,9 +75,7 @@ class Translator {
}
findKanji(text, dictionaries) {
- const processed = {};
- const promises = [];
-
+ const processed = {}, promises = [];
for (const c of text) {
if (!processed[c]) {
promises.push(this.database.findKanji(c, dictionaries));
@@ -87,11 +86,16 @@ class Translator {
return Promise.all(promises).then(sets => this.processKanji(sets.reduce((a, b) => a.concat(b), [])));
}
- findDeinflectionGroups(text, dictionaries) {
- const definer = term => this.database.findTerm(term, dictionaries);
- const groups = {};
- const promises = [];
+ findDeinflectionGroups(text, dictionaries, cache) {
+ const definer = term => {
+ if (cache.hasOwnProperty(term)) {
+ return Promise.resolve(cache[term]);
+ }
+
+ return this.database.findTerm(term, dictionaries).then(definitions => cache[term] = definitions);
+ };
+ const groups = {}, promises = [];
for (let i = text.length; i > 0; --i) {
promises.push(
this.deinflector.deinflect(text.slice(0, i), definer).then(deinflections => {