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This commit is contained in:
Jan Prochazka
2022-12-17 12:34:28 +01:00
parent 34a4f9adbf
commit 123e00ecbc
10 changed files with 127 additions and 11 deletions
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12
packages/api/src/utility/JsonLinesDatastore.js
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@@ -22,8 +22,9 @@ function fetchNextLineFromReader(reader) {
}
class JsonLinesDatastore {
constructor(file) {
constructor(file, rowFormatter) {
this.file = file;
this.rowFormatter = rowFormatter;
this.reader = null;
this.readedDataRowCount = 0;
this.readedSchemaRow = false;
@@ -62,6 +63,11 @@ class JsonLinesDatastore {
);
}
parseLine(line) {
const res = JSON.parse(line);
return this.rowFormatter ? this.rowFormatter(res) : res;
}
async _readLine(parse) {
// if (this.firstRowToBeReturned) {
// const res = this.firstRowToBeReturned;
@@ -84,14 +90,14 @@ class JsonLinesDatastore {
}
}
if (this.currentFilter) {
const parsedLine = JSON.parse(line);
const parsedLine = this.parseLine(line);
if (evaluateCondition(this.currentFilter, parsedLine)) {
this.readedDataRowCount += 1;
return parse ? parsedLine : true;
}
} else {
this.readedDataRowCount += 1;
return parse ? JSON.parse(line) : true;
return parse ? this.parseLine(line) : true;
}
}