33 lines
920 B
JavaScript
33 lines
920 B
JavaScript
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import { Query } from "../../query";
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import { isObject, isOperator } from "../../util";
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import {
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applyUpdate,
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UPDATE_OPTIONS,
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walkExpression
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} from "./_internal";
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const $pull = (obj, expr, arrayFilters = [], options = UPDATE_OPTIONS) => {
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return walkExpression(expr, arrayFilters, options, (val, node, queries) => {
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const wrap = !isObject(val) || Object.keys(val).some(isOperator);
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const query = new Query(
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wrap ? { k: val } : val,
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options.queryOptions
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);
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const pred = wrap ? (v) => query.test({ k: v }) : (v) => query.test(v);
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return applyUpdate(obj, node, queries, (o, k) => {
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const prev = o[k];
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const curr = new Array();
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const found = prev.map((v) => {
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const b = pred(v);
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if (!b) curr.push(v);
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return b;
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}).some(Boolean);
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if (!found) return false;
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o[k] = curr;
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return true;
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});
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});
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};
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export {
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$pull
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};
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