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