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Avoid including undefined in return value of Query.matches

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Fixes #932
This commit is contained in:
Max Brunsfeld 2021-02-26 15:16:07 -08:00
parent e710a14244
commit 41e9af2456
2 changed files with 32 additions and 4 deletions
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10
lib/binding_web/binding.js
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@ -967,12 +967,13 @@ class Query {
endPosition.column
);
const count = getValue(TRANSFER_BUFFER, 'i32');
const rawCount = getValue(TRANSFER_BUFFER, 'i32');
const startAddress = getValue(TRANSFER_BUFFER + SIZE_OF_INT, 'i32');
const result = new Array(count);
const result = new Array(rawCount);
let filteredCount = 0;
let address = startAddress;
for (let i = 0; i < count; i++) {
for (let i = 0; i < rawCount; i++) {
const pattern = getValue(address, 'i32');
address += SIZE_OF_INT;
const captureCount = getValue(address, 'i32');
@ -981,7 +982,7 @@ class Query {
const captures = new Array(captureCount);
address = unmarshalCaptures(this, node.tree, address, captures);
if (this.textPredicates[pattern].every(p => p(captures))) {
result[i] = {pattern, captures};
result[filteredCount++] = {pattern, captures};
const setProperties = this.setProperties[pattern];
if (setProperties) result[i].setProperties = setProperties;
const assertedProperties = this.assertedProperties[pattern];
@ -990,6 +991,7 @@ class Query {
if (refutedProperties) result[i].refutedProperties = refutedProperties;
}
}
result.length = filteredCount;
C._free(startAddress);
return result;