cesium/gulpfile.apps.js at main · CesiumGS/cesium · GitHub

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// @ts-check

import { mkdirSync } from "fs";
import { join } from "path";
import { finished } from "stream/promises";

import gulp from "gulp";
import yargs from "yargs";
import { buildSandcastleApp } from "./scripts/buildSandcastle.js";
import {
  bundleWorkers,
  defaultESBuildOptions,
  handleBuildWarnings,
} from "./scripts/build-utilities.js";
import { build as esbuild } from "esbuild";

const isProduction = process.env.PROD === "true";

export async function buildCesiumViewer() {
  const cesiumViewerOutputDirectory = isProduction
    ? "Build/CesiumViewer"
    : "Build/Apps/CesiumViewer";
  mkdirSync(cesiumViewerOutputDirectory, { recursive: true });

  const result = await esbuild({
    ...defaultESBuildOptions(),
    entryPoints: [
      "Apps/CesiumViewer/CesiumViewer.js",
      "Apps/CesiumViewer/CesiumViewer.css",
    ],
    minify: true,
    loader: {
      ".gif": "text",
      ".png": "text",
    },
    format: "iife",
    // Configure Cesium base path to use built
    define: { CESIUM_BASE_URL: `"."` },
    outdir: cesiumViewerOutputDirectory,
    outbase: "Apps/CesiumViewer",
    logLevel: "error", // print errors immediately, and collect warnings so we can filter out known ones
  });

  handleBuildWarnings(result);

  await esbuild({
    ...defaultESBuildOptions(),
    entryPoints: ["packages/widgets/Source/InfoBox/InfoBoxDescription.css"],
    minify: true,
    loader: {
      ".gif": "text",
      ".png": "text",
    },
    outdir: join(cesiumViewerOutputDirectory, "Widgets"),
    outbase: "packages/widgets/Source/",
  });

  await bundleWorkers({
    minify: true,
    removePragmas: true,
    path: cesiumViewerOutputDirectory,
  });

  const stream = gulp
    .src(
      [
        "Apps/CesiumViewer/**",
        "!Apps/CesiumViewer/Images",
        "!Apps/CesiumViewer/**/*.js",
        "!Apps/CesiumViewer/**/*.css",
      ],
      {
        encoding: false,
      },
    )
    .pipe(
      gulp.src(
        [
          "Build/Cesium/Assets/**",
          "Build/Cesium/Workers/**",
          "Build/Cesium/ThirdParty/**",
          "Build/Cesium/Widgets/**",
          "!Build/Cesium/Widgets/**/*.css",
        ],
        {
          base: "Build/Cesium",
          encoding: false,
        },
      ),
    )
    .pipe(gulp.src(["web.config"]))
    .pipe(gulp.dest(cesiumViewerOutputDirectory));

  await finished(stream);
  return stream;
}

export async function buildSandcastle() {
  const argv = await yargs(process.argv.slice(5))
    .options({
      "outer-origin": {
        type: "string",
        description:
          "The outer origin for the Sandcastle App. Defaults to localhost:8080 if not specified",
      },
      "inner-origin": {
        type: "string",
        description:
          "The inner origin for the Sandcastle viewer iframe. Defaults to the outer-origin if not specified or localhost:8081 if neither are specified",
      },
      embeddings: {
        type: "boolean",
        default: true,
        description:
          "Generate semantic search embeddings. Pass --no-embeddings to skip. Can also be set via SANDCASTLE_NO_EMBEDDINGS=1.",
      },
    })
    .help(false)
    .version(false)
    .strict()
    .parse();

  let outerOrigin = argv.outerOrigin ?? "http://localhost:8080";
  let innerOrigin =
    argv.innerOrigin ?? argv.outerOrigin ?? "http://localhost:8081";

  if (process.env.SANDCASTLE_ORIGIN) {
    outerOrigin = process.env.SANDCASTLE_ORIGIN;
    innerOrigin = outerOrigin;
  }

  const noEmbeddings =
    !argv.embeddings || !!process.env.SANDCASTLE_NO_EMBEDDINGS;

  return buildSandcastleApp({
    outputToBuildDir: isProduction,
    includeDevelopment: !isProduction,
    outerOrigin,
    innerOrigin,
    generateEmbeddings: noEmbeddings ? false : undefined,
  });
}

export const buildApps = gulp.parallel(buildCesiumViewer, buildSandcastle);