@antv/lite-insight

--- package/lib/insight-node/api.js (excerpt) ---
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.getDataInsightsAsync = exports.getDataInsights = void 0;
var tslib_1 = require("tslib");
var threads_1 = require("threads");
var insight_1 = require("../pipeline/insight");
var getDataInsights = function (sourceData, options) {
    var extractResult = insight_1.extractInsights(sourceData, options);
    if (options === null || options === void 0 ? void 0 : options.visualization) {
        return insight_1.generateInsightsWithVisualizationSchemas(extractResult, options);
    }
    return extractResult;
};
exports.getDataInsights = getDataInsights;
/**
 * @deprecated This function will be removed in 3.0.0 because web workers inside a package has a low compatibility with bundlers.
 */
var getDataInsightsAsync = function (sourceData, options) { return tslib_1.__awaiter(void 0, void 0, void 0, function () {
    var insight, extractResult;
    return tslib_1.__generator(this, function (_a) {
        switch (_a.label) {
            case 0: return [4 /*yield*/, threads_1.spawn(new threads_1.Worker('./worker'))];
            case 1:
                insight = _a.sent();
                return [4 /*yield*/, insight.extractInsights(sourceData, options)];
            case 2:
                extractResult = _a.sent();
                if (options === null || options === void 0 ? void 0 : options.visualization) {
                    return [2 /*return*/, insight_1.generateInsightsWithVisualizationSchemas(extr

--- package/lib/algorithms/change-point/bayesian.js (excerpt) ---
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.Bayesian = void 0;
var tslib_1 = require("tslib");
var bayesian_changepoint_1 = tslib_1.__importDefault(require("bayesian-changepoint"));
var pettitt_test_1 = require("./pettitt-test");
var breakpointVerifier = function (next, prev) {
    if (Math.abs(next.data - prev.data) >= 1) {
        return true;
    }
    return false;
};
/**
 * Bayesian Online Changepoint Detection
 */
var Bayesian = function (series) {
    var detection = new bayesian_changepoint_1.default({
        breakpointVerifier: breakpointVerifier,
    });
    detection.exec(series);
    var result = detection.breakPoints().map(function (breakPoint) { return ({
        index: breakPoint.index,
        significance: 1 - pettitt_test_1.calcPValue(series, breakPoint.index),
    }); });
    return result;
};
exports.Bayesian = Bayesian;


--- bundled output (OSV-MAL flagged — LLM scope expansion) ---

--- lib/narrative/utils/phrases-builder.js (bundled) ---
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.PhrasesBuilder = exports.getTrendDesc = exports.getInsightTypeDesc = exports.removeLastSpace = void 0;
var constance_1 = require("../constance");
function removeLastSpace(value) {
    var lastLetter = value.substr(value.length - 1);
    if (lastLetter === ' ')
        return value.substr(0, value.length - 1);
    return value;
}
exports.removeLastSpace = removeLastSpace;
function getInsightTypeDesc(insightType, lang) {
    var INSIGHT_TYPE_MAP = {
        category_outlier: '类别异常',
        change_point: '异常点',
        correlation: '相关性',
        low_variance: '低方差',
        majority: '显著性',
        trend: '趋势',
        time_series_outlier: '时间序列异常',
    };
    if (lang === 'en-US') {
        return insightType.replace('_', ' ');
    }
    if (lang === 'zh-CN') {
        return INSIGHT_TYPE_MAP[insightType];
    }
    return '';
}
exports.getInsightTypeDesc = getInsightTypeDesc;
function getTrendDesc(trendType, lang) {
    var TREND_DESC_MAP = {
        decreasing: '趋势下降',
        increasing: '趋势上升',
        'no trend': '无趋势',
    };
    if (lang === 'en-US') {
        return trendType;
    }
    if (lang === 'zh-CN') {
        return TREND_DESC_MAP[trendType];
    }
    return '';
}
exports.getTrendDesc = getTrendDesc;
var needRightSpaceSymbol = ['punctuation_right_parentheses', 'punctuation_comma', 'punctuation_stop'];
var needRemoveBeforeSpace = ['punctuation_comma', 'punctuation_stop', 'punctuation_right_parentheses'];
var PhrasesBuilder = /** @class */ (function () {
    // TODO 语言默认英文，之后再处理中文的情况
    function PhrasesBuilder(lang) {
        if (lang === void 0) { lang = 'en-US'; }
        this.lang = lang;
        this.schema = [];
        this.content = '';
    }
    PhrasesBuilder.prototype.add = function (value, type, options) {
        if (options === void 0) { options = { leftSpace: false, rightSpace: true }; }
        var _a = options.leftSpace, leftSpace = _a === void 0 ? f

--- lib/narrative/strategy/low-variance.js (bundled) ---
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.lowVarianceStrategy = void 0;
var phrases_builder_1 = require("../utils/phrases-builder");
/**
 * @template ``
 * @example The life_expect data points of country are very similar to the mean, that is, the variance is low.
 */
function lowVarianceStrategy(variableMap, lang) {
    var measure = variableMap.measure, dimension = variableMap.dimension;
    var phrases = new phrases_builder_1.PhrasesBuilder(lang);
    // The ${measures} data points of ${dimension} are very similar to the mean, that is, the variance is low.
    if (lang === 'en-US') {
        phrases.add('The');
        phrases.add(measure, 'metric_name');
        phrases.add('data points of');
        phrases.add(dimension);
        phrases.add('are very similar to the mean');
        phrases.addSymbol('punctuation_comma');
        phrases.add('that is');
        phrases.addSymbol('punctuation_comma');
        phrases.add('the variance is low');
    }
    // ${dimension} 的 ${measures} 数据点与均值非常相似，即方差较低。
    if (lang === 'zh-CN') {
        phrases.add(dimension);
        phrases.add('的');
        phrases.add(measure, 'metric_name');
        phrases.add('数据点与均值非常相似');
        phrases.addSymbol('punctuation_comma');
        phrases.add('即方差较低');
    }
    phrases.addSymbol('punctuation_stop');
    return phrases;
}
exports.lowVarianceStrategy = lowVarianceStrategy;


--- esm/narrative/utils/phrases-builder.js (bundled) ---
import { SYMBOL } from '../constance';
export function removeLastSpace(value) {
    var lastLetter = value.substr(value.length - 1);
    if (lastLetter === ' ')
        return value.substr(0, value.length - 1);
    return value;
}
export function getInsightTypeDesc(insightType, lang) {
    var INSIGHT_TYPE_MAP = {
        category_outlier: '类别异常',
        change_point: '异常点',
        correlation: '相关性',
        low_variance: '低方差',
        majority: '显著性',
        trend: '趋势',
        time_series_outlier: '时间序列异常',
    };
    if (lang === 'en-US') {
        return insightType.replace('_', ' ');
    }
    if (lang === 'zh-CN') {
        return INSIGHT_TYPE_MAP[insightType];
    }
    return '';
}
export function getTrendDesc(trendType, lang) {
    var TREND_DESC_MAP = {
        decreasing: '趋势下降',
        increasing: '趋势上升',
        'no trend': '无趋势',
    };
    if (lang === 'en-US') {
        return trendType;
    }
    if (lang === 'zh-CN') {
        return TREND_DESC_MAP[trendType];
    }
    return '';
}
var needRightSpaceSymbol = ['punctuation_right_parentheses', 'punctuation_comma', 'punctuation_stop'];
var needRemoveBeforeSpace = ['punctuation_comma', 'punctuation_stop', 'punctuation_right_parentheses'];
var PhrasesBuilder = /** @class */ (function () {
    // TODO 语言默认英文，之后再处理中文的情况
    function PhrasesBuilder(lang) {
        if (lang === void 0) { lang = 'en-US'; }
        this.lang = lang;
        this.schema = [];
        this.content = '';
    }
    PhrasesBuilder.prototype.add = function (value, type, options) {
        if (options === void 0) { options = { leftSpace: false, rightSpace: true }; }
        var _a = options.leftSpace, leftSpace = _a === void 0 ? false : _a, _b = options.rightSpace, rightSpace = _b === void 0 ? false : _b;
        var newValue = this.lang === 'en-US' ? "" + (leftSpace ? ' ' : '') + value + (rightSpace ? ' ' : '') : value;
        if (type) {
            if (leftSpace) {
                this.schema.push({
                    t

--- esm/narrative/strategy/low-variance.js (bundled) ---
import { PhrasesBuilder } from '../utils/phrases-builder';
/**
 * @template ``
 * @example The life_expect data points of country are very similar to the mean, that is, the variance is low.
 */
export function lowVarianceStrategy(variableMap, lang) {
    var measure = variableMap.measure, dimension = variableMap.dimension;
    var phrases = new PhrasesBuilder(lang);
    // The ${measures} data points of ${dimension} are very similar to the mean, that is, the variance is low.
    if (lang === 'en-US') {
        phrases.add('The');
        phrases.add(measure, 'metric_name');
        phrases.add('data points of');
        phrases.add(dimension);
        phrases.add('are very similar to the mean');
        phrases.addSymbol('punctuation_comma');
        phrases.add('that is');
        phrases.addSymbol('punctuation_comma');
        phrases.add('the variance is low');
    }
    // ${dimension} 的 ${measures} 数据点与均值非常相似，即方差较低。
    if (lang === 'zh-CN') {
        phrases.add(dimension);
        phrases.add('的');
        phrases.add(measure, 'metric_name');
        phrases.add('数据点与均值非常相似');
        phrases.addSymbol('punctuation_comma');
        phrases.add('即方差较低');
    }
    phrases.addSymbol('punctuation_stop');
    return phrases;
}