51 lines
1.4 KiB
JavaScript
51 lines
1.4 KiB
JavaScript
|
'use strict';
|
||
|
|
|
||
|
|
module.exports = function stringifyFunctionOperators(pipeline) {
|
||
|
|
if (!Array.isArray(pipeline)) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
for (const stage of pipeline) {
|
||
|
|
if (stage == null) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
const canHaveAccumulator = stage.$group || stage.$bucket || stage.$bucketAuto;
|
||
|
|
if (canHaveAccumulator != null) {
|
||
|
|
for (const key of Object.keys(canHaveAccumulator)) {
|
||
|
|
handleAccumulator(canHaveAccumulator[key]);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
const stageType = Object.keys(stage)[0];
|
||
|
|
if (stageType && typeof stage[stageType] === 'object') {
|
||
|
|
const stageOptions = stage[stageType];
|
||
|
|
for (const key of Object.keys(stageOptions)) {
|
||
|
|
if (stageOptions[key] != null &&
|
||
|
|
stageOptions[key].$function != null &&
|
||
|
|
typeof stageOptions[key].$function.body === 'function') {
|
||
|
|
stageOptions[key].$function.body = stageOptions[key].$function.body.toString();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (stage.$facet != null) {
|
||
|
|
for (const key of Object.keys(stage.$facet)) {
|
||
|
|
stringifyFunctionOperators(stage.$facet[key]);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
function handleAccumulator(operator) {
|
||
|
|
if (operator == null || operator.$accumulator == null) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
for (const key of ['init', 'accumulate', 'merge', 'finalize']) {
|
||
|
|
if (typeof operator.$accumulator[key] === 'function') {
|
||
|
|
operator.$accumulator[key] = String(operator.$accumulator[key]);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|