Add support for filtering frequency metadata based on readings

2 files changed, 39 insertions, 3 deletions

diff --git a/ext/bg/data/dictionary-term-meta-bank-v3-schema.json b/ext/bg/data/dictionary-term-meta-bank-v3-schema.json
index 8475db81..ffffb546 100644
--- a/ext/bg/data/dictionary-term-meta-bank-v3-schema.json
+++ b/ext/bg/data/dictionary-term-meta-bank-v3-schema.json
@@ -26,8 +26,30 @@
                     {},
                     {"enum": ["freq"]},
                     {
-                        "type": ["string", "number"],
-                        "description": "Frequency information for the term or expression."
+                        "oneOf": [
+                            {
+                                "type": ["string", "number"],
+                                "description": "Frequency information for the term or expression."
+                            },
+                            {
+                                "type": ["object"],
+                                "required": [
+                                    "reading",
+                                    "frequency"
+                                ],
+                                "additionalProperties": false,
+                                "properties": {
+                                    "reading": {
+                                        "type": "string",
+                                        "description": "Reading for the term or expression."
+                                    },
+                                    "frequency": {
+                                        "type": ["string", "number"],
+                                        "description": "Frequency information for the term or expression."
+                                    }
+                                }
+                            }
+                        ]
                     }
                 ]
             },
diff --git a/ext/bg/js/translator.js b/ext/bg/js/translator.js
index e4441384..b6f8b8e5 100644
--- a/ext/bg/js/translator.js
+++ b/ext/bg/js/translator.js
@@ -469,7 +469,9 @@ class Translator {
             switch (mode) {
                 case 'freq':
                     for (const term of termsUnique[index]) {
-                        term.frequencies.push({expression, frequency: data, dictionary});
+                        const frequencyData = this.getFrequencyData(expression, data, dictionary, term);
+                        if (frequencyData === null) { continue; }
+                        term.frequencies.push(frequencyData);
                     }
                     break;
                 case 'pitch':
@@ -562,6 +564,18 @@ class Translator {
         return tagMetaList;
     }
 
+    getFrequencyData(expression, data, dictionary, term) {
+        if (data !== null && typeof data === 'object') {
+            const {frequency, reading} = data;
+
+            const termReading = term.reading || expression;
+            if (reading !== termReading) { return null; }
+
+            return {expression, frequency, dictionary};
+        }
+        return {expression, frequency: data, dictionary};
+    }
+
     async getPitchData(expression, data, dictionary, term) {
         const reading = data.reading;
         const termReading = term.reading || expression;