@antv/l7-layers

--- package.json (entry) ---
{
  "name": "@antv/l7-layers",
  "version": "2.28.11",
  "description": "L7's collection of built-in layers",
  "license": "MIT",
  "author": "https://github.com/orgs/antvis/people",
  "sideEffects": [
    "./es/index.js"
  ],
  "main": "lib/index.js",
  "module": "es/index.js",
  "types": "es/index.d.ts",
  "files": [
    "lib",
    "es"
  ],
  "dependencies": {
    "@antv/async-hook": "^2.2.9",
    "@babel/runtime": "^7.7.7",
    "@mapbox/martini": "^0.2.0",
    "@turf/clone": "^6.5.0",
    "@turf/helpers": "^6.1.4",
    "@turf/meta": "^6.0.2",
    "@turf/polygon-to-line": "^6.5.0",
    "@turf/union": "^6.5.0",
    "earcut": "^2.2.1",
    "eventemitter3": "^4.0.0",
    "gl-matrix": "^3.1.0",
    "@antv/l7-source": "2.28.11",
    "@antv/l7-utils": "2.28.11",
    "@antv/l7-core": "2.28.11",
    "@antv/l7-maps": "2.28.11"
  },
  "devDependencies": {
    "@types/earcut": "^2.1.0",
    "@types/gl-matrix": "^2.4.5",
    "@antv/l7-test-utils": "^2.28.11"
  },
  "publishConfig": {
    "access": "public",
    "registry": "https://registry.npmjs.org"
  },
  "repository": "git@github.com:antvis/L7.git",
  "scripts": {
    "dev": "father dev",
    "build": "npm run clean && father build",
  

--- index.js (entry) ---
"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
Object.defineProperty(exports, "__esModule", {
  value: true
});
var _exportNames = {
  CanvasLayer: true,
  CityBuildingLayer: true,
  BaseLayer: true,
  BaseModel: true,
  GeometryLayer: true,
  HeatmapLayer: true,
  ImageLayer: true,
  LineLayer: true,
  PointLayer: true,
  PolygonLayer: true,
  RasterLayer: true,
  TileLayer: true,
  TileDebugLayer: true,
  EarthLayer: true,
  MaskLayer: true,
  WindLayer: true
};
Object.defineProperty(exports, "BaseLayer", {
  enumerable: true,
  get: function () {
    return _BaseLayer.default;
  }
});
Object.defineProperty(exports, "BaseModel", {
  enumerable: true,
  get: function () {
    return _BaseModel.default;
  }
});
Object.defineProperty(exports, "CanvasLayer", {
  enumerable: true,
  get: function () {
    return _canvas.default;
  }
});
Object.defineProperty(exports, "CityBuildingLayer", {
  enumerable: true,
  get: function () {
    return _building.default;
  }
});
Object.defineProperty(exports, "EarthLayer", {
  enumerable: true,
  get: function () {
    return _earth.default;
  }
});
Object.defineProperty(exports, "GeometryLaye

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

--- lib/utils/symbol-layout.js (bundled) ---
"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.getGlyphQuads = getGlyphQuads;
exports.shapeText = shapeText;
/**
 * 返回文本相对锚点位置
 * @param {string} anchor 锚点位置
 * @return {alignment} alignment
 */
function getAnchorAlignment(anchor) {
  let horizontalAlign = 0.5;
  let verticalAlign = 0.5;
  switch (anchor) {
    case 'right':
    case 'top-right':
    case 'bottom-right':
      horizontalAlign = 1;
      break;
    case 'left':
    case 'top-left':
    case 'bottom-left':
      horizontalAlign = 0;
      break;
    default:
      horizontalAlign = 0.5;
  }
  switch (anchor) {
    case 'top':
    case 'top-right':
    case 'top-left':
      verticalAlign = 1;
      break;
    case 'bottom':
    case 'bottom-right':
    case 'bottom-left':
    case 'bottom-center':
      verticalAlign = 0;
      break;
    default:
      verticalAlign = 0.5;
  }
  return {
    horizontalAlign,
    verticalAlign
  };
}

// justify right = 1, left = 0, center = 0.5
function justifyLine(positionedGlyphs, glyphMap, start, end, justify) {
  if (!justify) {
    return;
  }
  const lastPositionedGlyph = positionedGlyphs[end];
  const glyph = lastPositionedGlyph.glyph;
  if (glyph) {
    const lastAdvance = glyphMap[glyph].advance * lastPositionedGlyph.scale;
    const lineIndent = (positionedGlyphs[end].x + lastAdvance) * justify;
    for (let j = start; j <= end; j++) {
      positionedGlyphs[j].x -= lineIndent;
    }
  }
}

// justify right=1 left=0 center=0.5
// horizontalAlign right=1 left=0 center=0.5
// verticalAlign right=1 left=0 center=0.5
function align(positionedGlyphs, justify, horizontalAlign, verticalAlign, maxLineLength, lineHeight, lineCount, yOffset) {
  const shiftX = (justify - horizontalAlign) * maxLineLength;
  let shiftY = (-verticalAlign * lineCount + 0.5) * lineHeight;

  // 补偿 yOffset 使 top/bottom 锚点正确对齐
  // top: 文字往下移 |yOffset| 像素（远离坐标点）
  // bottom: 文字往上移 |yOffset| 像素（远离坐标点）
  if (verticalAlign === 1) {
    shiftY += yOffset