47 lines
1.8 KiB
JavaScript
47 lines
1.8 KiB
JavaScript
var __defProp = Object.defineProperty;
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var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
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var __getOwnPropNames = Object.getOwnPropertyNames;
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var __hasOwnProp = Object.prototype.hasOwnProperty;
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var __export = (target, all) => {
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for (var name in all)
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__defProp(target, name, { get: all[name], enumerable: true });
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};
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var __copyProps = (to, from, except, desc) => {
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if (from && typeof from === "object" || typeof from === "function") {
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for (let key of __getOwnPropNames(from))
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if (!__hasOwnProp.call(to, key) && key !== except)
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__defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
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}
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return to;
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};
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var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
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var integral_exports = {};
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__export(integral_exports, {
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$integral: () => $integral
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});
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module.exports = __toCommonJS(integral_exports);
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var import_util = require("../../util");
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var import_accumulator = require("../accumulator");
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var import_internal = require("./_internal");
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const $integral = (_, collection, expr, options) => {
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const { input, unit } = expr.inputExpr;
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const sortKey = "$" + Object.keys(expr.parentExpr.sortBy)[0];
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const points = (0, import_accumulator.$push)(collection, [sortKey, input], options).filter(
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([x, y]) => (0, import_util.isNumber)(+x) && (0, import_util.isNumber)(+y)
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);
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if (points.length !== collection.length) return null;
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let result = 0;
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const size = collection.length;
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for (let k = 1; k < size; k++) {
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const [x1, y1] = points[k - 1];
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const [x2, y2] = points[k];
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const deltaX = (x2 - x1) / (import_internal.MILLIS_PER_UNIT[unit] || 1);
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result += 0.5 * (y1 + y2) * deltaX;
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}
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return result;
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};
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// Annotate the CommonJS export names for ESM import in node:
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0 && (module.exports = {
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$integral
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});
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