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gulpfile.mjs
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/* Copyright 2016 Mozilla Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/* eslint-env node */
import { exec, spawn, spawnSync } from "child_process";
import autoprefixer from "autoprefixer";
import babel from "@babel/core";
import crypto from "crypto";
import { fileURLToPath } from "url";
import fs from "fs";
import gulp from "gulp";
import merge from "merge-stream";
import { mkdirp } from "mkdirp";
import path from "path";
import postcss from "gulp-postcss";
import postcssDarkThemeClass from "postcss-dark-theme-class";
import postcssDirPseudoClass from "postcss-dir-pseudo-class";
import postcssDiscardComments from "postcss-discard-comments";
import postcssNesting from "postcss-nesting";
import { preprocess } from "./external/builder/builder.mjs";
import { preprocessPDFJSCode } from "./external/builder/preprocessor2.mjs";
import rename from "gulp-rename";
import replace from "gulp-replace";
import rimraf from "rimraf";
import stream from "stream";
import streamqueue from "streamqueue";
import through from "through2";
import Vinyl from "vinyl";
import webpack2 from "webpack";
import webpackStream from "webpack-stream";
import zip from "gulp-zip";
const __dirname = path.dirname(fileURLToPath(import.meta.url));
const BUILD_DIR = "build/";
const L10N_DIR = "l10n/";
const TEST_DIR = "test/";
const EXTENSION_SRC_DIR = "extensions/";
const BASELINE_DIR = BUILD_DIR + "baseline/";
const MOZCENTRAL_BASELINE_DIR = BUILD_DIR + "mozcentral.baseline/";
const GENERIC_DIR = BUILD_DIR + "generic/";
const GENERIC_LEGACY_DIR = BUILD_DIR + "generic-legacy/";
const COMPONENTS_DIR = BUILD_DIR + "components/";
const COMPONENTS_LEGACY_DIR = BUILD_DIR + "components-legacy/";
const IMAGE_DECODERS_DIR = BUILD_DIR + "image_decoders/";
const IMAGE_DECODERS_LEGACY_DIR = BUILD_DIR + "image_decoders-legacy/";
const DEFAULT_PREFERENCES_DIR = BUILD_DIR + "default_preferences/";
const MINIFIED_DIR = BUILD_DIR + "minified/";
const MINIFIED_LEGACY_DIR = BUILD_DIR + "minified-legacy/";
const JSDOC_BUILD_DIR = BUILD_DIR + "jsdoc/";
const GH_PAGES_DIR = BUILD_DIR + "gh-pages/";
const DIST_DIR = BUILD_DIR + "dist/";
const TYPES_DIR = BUILD_DIR + "types/";
const TMP_DIR = BUILD_DIR + "tmp/";
const TYPESTEST_DIR = BUILD_DIR + "typestest/";
const COMMON_WEB_FILES = [
"web/images/*.{png,svg,gif}",
"web/debugger.{css,mjs}",
];
const MOZCENTRAL_DIFF_FILE = "mozcentral.diff";
const DIST_REPO_URL = "https://github.com/mozilla/pdfjs-dist";
const CONFIG_FILE = "pdfjs.config";
const config = JSON.parse(fs.readFileSync(CONFIG_FILE).toString());
const ENV_TARGETS = [
"last 2 versions",
"Chrome >= 92",
"Firefox ESR",
"Safari >= 15.4",
"Node >= 18",
"> 1%",
"not IE > 0",
"not dead",
];
// Default Autoprefixer config used for generic, components, minified-pre
const AUTOPREFIXER_CONFIG = {
overrideBrowserslist: ENV_TARGETS,
};
// Default Babel targets used for generic, components, minified-pre
const BABEL_TARGETS = ENV_TARGETS.join(", ");
const DEFINES = Object.freeze({
SKIP_BABEL: true,
TESTING: undefined,
// The main build targets:
GENERIC: false,
MOZCENTRAL: false,
GECKOVIEW: false,
CHROME: false,
MINIFIED: false,
COMPONENTS: false,
LIB: false,
IMAGE_DECODERS: false,
});
function transform(charEncoding, transformFunction) {
return through.obj(function (vinylFile, enc, done) {
const transformedFile = vinylFile.clone();
transformedFile.contents = Buffer.from(
transformFunction(transformedFile.contents),
charEncoding
);
done(null, transformedFile);
});
}
function safeSpawnSync(command, parameters, options) {
// Execute all commands in a shell.
options = options || {};
options.shell = true;
// `options.shell = true` requires parameters to be quoted.
parameters = parameters.map(param => {
if (!/[\s`~!#$*(){[|\\;'"<>?]/.test(param)) {
return param;
}
return '"' + param.replaceAll(/([$\\"`])/g, "\\$1") + '"';
});
const result = spawnSync(command, parameters, options);
if (result.status !== 0) {
console.log(
'Error: command "' +
command +
'" with parameters "' +
parameters +
'" exited with code ' +
result.status
);
process.exit(result.status);
}
return result;
}
function startNode(args, options) {
// Node.js decreased the maximum header size from 80 KB to 8 KB in newer
// releases, which is not sufficient for some of our reference test files
// (such as `issue6360.pdf`), so we need to restore this value. Note that
// this argument needs to be before all other arguments as it needs to be
// passed to the Node.js process itself and not to the script that it runs.
args.unshift("--max-http-header-size=80000");
return spawn("node", args, options);
}
function createStringSource(filename, content) {
const source = stream.Readable({ objectMode: true });
source._read = function () {
this.push(
new Vinyl({
path: filename,
contents: Buffer.from(content),
})
);
this.push(null);
};
return source;
}
function createWebpackConfig(
defines,
output,
{
disableVersionInfo = false,
disableSourceMaps = false,
disableLicenseHeader = false,
defaultPreferencesDir = null,
} = {}
) {
const versionInfo = !disableVersionInfo
? getVersionJSON()
: { version: 0, commit: 0 };
const bundleDefines = {
...defines,
BUNDLE_VERSION: versionInfo.version,
BUNDLE_BUILD: versionInfo.commit,
TESTING: defines.TESTING ?? process.env.TESTING === "true",
BROWSER_PREFERENCES: defaultPreferencesDir
? getBrowserPreferences(defaultPreferencesDir)
: {},
DEFAULT_PREFERENCES: defaultPreferencesDir
? getDefaultPreferences(defaultPreferencesDir)
: {},
DEFAULT_FTL: defines.GENERIC ? getDefaultFtl() : "",
};
const licenseHeaderLibre = fs
.readFileSync("./src/license_header_libre.js")
.toString();
const enableSourceMaps =
!bundleDefines.MOZCENTRAL &&
!bundleDefines.CHROME &&
!bundleDefines.LIB &&
!bundleDefines.TESTING &&
!disableSourceMaps;
const isModule = output.library?.type === "module";
const skipBabel = bundleDefines.SKIP_BABEL;
// `core-js`, see https://github.com/zloirock/core-js/issues/514,
// should be excluded from processing.
const babelExcludes = ["node_modules[\\\\\\/]core-js"];
const babelExcludeRegExp = new RegExp(`(${babelExcludes.join("|")})`);
const babelPresets = skipBabel
? undefined
: [
[
"@babel/preset-env",
{
corejs: "3.35.0",
exclude: ["web.structured-clone"],
shippedProposals: true,
useBuiltIns: "usage",
},
],
];
const babelPlugins = [];
const plugins = [];
if (!disableLicenseHeader) {
plugins.push(
new webpack2.BannerPlugin({ banner: licenseHeaderLibre, raw: true })
);
}
const experiments = isModule ? { outputModule: true } : undefined;
// Required to expose e.g., the `window` object.
output.globalObject = "globalThis";
const basicAlias = {
pdfjs: "src",
"pdfjs-web": "web",
"pdfjs-lib": "web/pdfjs",
"fluent-bundle": "node_modules/@fluent/bundle/esm/index.js",
"fluent-dom": "node_modules/@fluent/dom/esm/index.js",
};
const libraryAlias = {
"display-fetch_stream": "src/display/stubs.js",
"display-network": "src/display/stubs.js",
"display-node_stream": "src/display/stubs.js",
"display-node_utils": "src/display/stubs.js",
};
const viewerAlias = {
"web-alt_text_manager": "web/alt_text_manager.js",
"web-annotation_editor_params": "web/annotation_editor_params.js",
"web-com": "",
"web-l10n_utils": "web/stubs.js",
"web-pdf_attachment_viewer": "web/pdf_attachment_viewer.js",
"web-pdf_cursor_tools": "web/pdf_cursor_tools.js",
"web-pdf_document_properties": "web/pdf_document_properties.js",
"web-pdf_find_bar": "web/pdf_find_bar.js",
"web-pdf_layer_viewer": "web/pdf_layer_viewer.js",
"web-pdf_outline_viewer": "web/pdf_outline_viewer.js",
"web-pdf_presentation_mode": "web/pdf_presentation_mode.js",
"web-pdf_sidebar": "web/pdf_sidebar.js",
"web-pdf_thumbnail_viewer": "web/pdf_thumbnail_viewer.js",
"web-print_service": "",
"web-secondary_toolbar": "web/secondary_toolbar.js",
"web-toolbar": "web/toolbar.js",
};
if (bundleDefines.CHROME) {
libraryAlias["display-fetch_stream"] = "src/display/fetch_stream.js";
libraryAlias["display-network"] = "src/display/network.js";
viewerAlias["web-com"] = "web/chromecom.js";
viewerAlias["web-print_service"] = "web/pdf_print_service.js";
} else if (bundleDefines.GENERIC) {
// Aliases defined here must also be replicated in the paths section of
// the tsconfig.json file for the type generation to work.
// In the tsconfig.json files, the .js extension must be omitted.
libraryAlias["display-fetch_stream"] = "src/display/fetch_stream.js";
libraryAlias["display-network"] = "src/display/network.js";
libraryAlias["display-node_stream"] = "src/display/node_stream.js";
libraryAlias["display-node_utils"] = "src/display/node_utils.js";
viewerAlias["web-com"] = "web/genericcom.js";
viewerAlias["web-l10n_utils"] = "web/l10n_utils.js";
viewerAlias["web-print_service"] = "web/pdf_print_service.js";
} else if (bundleDefines.MOZCENTRAL) {
if (bundleDefines.GECKOVIEW) {
const gvAlias = {
"web-l10n_utils": "web/stubs.js",
"web-toolbar": "web/toolbar-geckoview.js",
};
for (const key in viewerAlias) {
viewerAlias[key] = gvAlias[key] || "web/stubs-geckoview.js";
}
}
viewerAlias["web-com"] = "web/firefoxcom.js";
viewerAlias["web-print_service"] = "web/firefox_print_service.js";
}
const alias = { ...basicAlias, ...libraryAlias, ...viewerAlias };
for (const key in alias) {
alias[key] = path.join(__dirname, alias[key]);
}
return {
mode: "production",
optimization: {
mangleExports: false,
minimize: false,
},
experiments,
output,
performance: {
hints: false, // Disable messages about larger file sizes.
},
plugins,
resolve: {
alias,
},
devtool: enableSourceMaps ? "source-map" : undefined,
module: {
rules: [
{
loader: "babel-loader",
exclude: babelExcludeRegExp,
options: {
presets: babelPresets,
plugins: babelPlugins,
targets: BABEL_TARGETS,
},
},
{
loader: path.join(__dirname, "external/webpack/pdfjsdev-loader.mjs"),
options: {
rootPath: __dirname,
saveComments: false,
defines: bundleDefines,
},
},
],
},
// Avoid shadowing actual Node.js variables with polyfills, by disabling
// polyfills/mocks - https://webpack.js.org/configuration/node/
node: false,
};
}
function webpack2Stream(webpackConfig) {
// Replacing webpack1 to webpack2 in the webpack-stream.
return webpackStream(webpackConfig, webpack2);
}
function getVersionJSON() {
return JSON.parse(fs.readFileSync(BUILD_DIR + "version.json").toString());
}
function checkChromePreferencesFile(chromePrefsPath, webPrefs) {
const chromePrefs = JSON.parse(fs.readFileSync(chromePrefsPath).toString());
const chromePrefsKeys = Object.keys(chromePrefs.properties).filter(key => {
const description = chromePrefs.properties[key].description;
// Deprecated keys are allowed in the managed preferences file.
// The code maintainer is responsible for adding migration logic to
// extensions/chromium/options/migration.js and web/chromecom.js .
return !description || !description.startsWith("DEPRECATED.");
});
let ret = true;
// Verify that every entry in webPrefs is also in preferences_schema.json.
for (const [key, value] of Object.entries(webPrefs)) {
if (!chromePrefsKeys.includes(key)) {
// Note: this would also reject keys that are present but marked as
// DEPRECATED. A key should not be marked as DEPRECATED if it is still
// listed in webPrefs.
ret = false;
console.log(
`Warning: ${chromePrefsPath} does not contain an entry for pref: ${key}`
);
} else if (chromePrefs.properties[key].default !== value) {
ret = false;
console.log(
`Warning: not the same values (for "${key}"): ` +
`${chromePrefs.properties[key].default} !== ${value}`
);
}
}
// Verify that preferences_schema.json does not contain entries that are not
// in webPrefs (app_options.js).
for (const key of chromePrefsKeys) {
if (!(key in webPrefs)) {
ret = false;
console.log(
`Warning: ${chromePrefsPath} contains an unrecognized pref: ${key}. ` +
`Remove it, or prepend "DEPRECATED. " and add migration logic to ` +
`extensions/chromium/options/migration.js and web/chromecom.js.`
);
}
}
return ret;
}
function tweakWebpackOutput(jsName) {
const replacer = ["__non_webpack_import__\\("];
if (jsName) {
replacer.push(
" __webpack_exports__ = {};",
" __webpack_exports__ = await __webpack_exports__;"
);
}
const regex = new RegExp(`(${replacer.join("|")})`, "gm");
return replace(regex, match => {
switch (match) {
case "__non_webpack_import__(":
return "import(/* webpackIgnore: true */ ";
case " __webpack_exports__ = {};":
return ` __webpack_exports__ = globalThis.${jsName} = {};`;
case " __webpack_exports__ = await __webpack_exports__;":
return ` __webpack_exports__ = globalThis.${jsName} = await (globalThis.${jsName}Promise = __webpack_exports__);`;
}
return match;
});
}
function createMainBundle(defines) {
const mainFileConfig = createWebpackConfig(defines, {
filename: "pdf.mjs",
library: {
type: "module",
},
});
return gulp
.src("./src/pdf.js")
.pipe(webpack2Stream(mainFileConfig))
.pipe(tweakWebpackOutput("pdfjsLib"));
}
function createScriptingBundle(defines, extraOptions = undefined) {
const scriptingFileConfig = createWebpackConfig(
defines,
{
filename: "pdf.scripting.mjs",
library: {
type: "module",
},
},
extraOptions
);
return gulp
.src("./src/pdf.scripting.js")
.pipe(webpack2Stream(scriptingFileConfig))
.pipe(tweakWebpackOutput());
}
function createSandboxExternal(defines) {
const licenseHeader = fs.readFileSync("./src/license_header.js").toString();
const ctx = {
saveComments: false,
defines,
};
return gulp
.src("./src/pdf.sandbox.external.js")
.pipe(rename("pdf.sandbox.external.sys.mjs"))
.pipe(
transform("utf8", content => {
content = preprocessPDFJSCode(ctx, content);
return `${licenseHeader}\n${content}`;
})
);
}
function createTemporaryScriptingBundle(defines, extraOptions = undefined) {
return createScriptingBundle(defines, {
disableVersionInfo: !!(extraOptions && extraOptions.disableVersionInfo),
disableSourceMaps: true,
disableLicenseHeader: true,
}).pipe(gulp.dest(TMP_DIR));
}
function createSandboxBundle(defines, extraOptions = undefined) {
const scriptingPath = TMP_DIR + "pdf.scripting.mjs";
// Insert the source as a string to be `eval`-ed in the sandbox.
const sandboxDefines = {
...defines,
PDF_SCRIPTING_JS_SOURCE: fs.readFileSync(scriptingPath).toString(),
};
fs.unlinkSync(scriptingPath);
const sandboxFileConfig = createWebpackConfig(
sandboxDefines,
{
filename: "pdf.sandbox.mjs",
library: {
type: "module",
},
},
extraOptions
);
return gulp
.src("./src/pdf.sandbox.js")
.pipe(webpack2Stream(sandboxFileConfig))
.pipe(tweakWebpackOutput("pdfjsSandbox"));
}
function createWorkerBundle(defines) {
const workerFileConfig = createWebpackConfig(defines, {
filename: "pdf.worker.mjs",
library: {
type: "module",
},
});
return gulp
.src("./src/pdf.worker.js")
.pipe(webpack2Stream(workerFileConfig))
.pipe(tweakWebpackOutput("pdfjsWorker"));
}
function createWebBundle(defines, options) {
const viewerFileConfig = createWebpackConfig(
defines,
{
filename: "viewer.mjs",
library: {
type: "module",
},
},
{
defaultPreferencesDir: options.defaultPreferencesDir,
}
);
return gulp
.src("./web/viewer.js")
.pipe(webpack2Stream(viewerFileConfig))
.pipe(tweakWebpackOutput());
}
function createGVWebBundle(defines, options) {
const viewerFileConfig = createWebpackConfig(
defines,
{
filename: "viewer-geckoview.mjs",
library: {
type: "module",
},
},
{
defaultPreferencesDir: options.defaultPreferencesDir,
}
);
return gulp
.src("./web/viewer-geckoview.js")
.pipe(webpack2Stream(viewerFileConfig))
.pipe(tweakWebpackOutput());
}
function createComponentsBundle(defines) {
const componentsFileConfig = createWebpackConfig(defines, {
filename: "pdf_viewer.mjs",
library: {
type: "module",
},
});
return gulp
.src("./web/pdf_viewer.component.js")
.pipe(webpack2Stream(componentsFileConfig))
.pipe(tweakWebpackOutput("pdfjsViewer"));
}
function createImageDecodersBundle(defines) {
const componentsFileConfig = createWebpackConfig(defines, {
filename: "pdf.image_decoders.mjs",
library: {
type: "module",
},
});
return gulp
.src("./src/pdf.image_decoders.js")
.pipe(webpack2Stream(componentsFileConfig))
.pipe(tweakWebpackOutput("pdfjsImageDecoders"));
}
function createCMapBundle() {
return gulp.src(["external/bcmaps/*.bcmap", "external/bcmaps/LICENSE"], {
base: "external/bcmaps",
});
}
function createStandardFontBundle() {
return gulp.src(
[
"external/standard_fonts/*.pfb",
"external/standard_fonts/*.ttf",
"external/standard_fonts/LICENSE_FOXIT",
"external/standard_fonts/LICENSE_LIBERATION",
],
{
base: "external/standard_fonts",
}
);
}
function checkFile(filePath) {
try {
const stat = fs.lstatSync(filePath);
return stat.isFile();
} catch {
return false;
}
}
function checkDir(dirPath) {
try {
const stat = fs.lstatSync(dirPath);
return stat.isDirectory();
} catch {
return false;
}
}
function replaceInFile(filePath, find, replacement) {
let content = fs.readFileSync(filePath).toString();
content = content.replace(find, replacement);
fs.writeFileSync(filePath, content);
}
function getTempFile(prefix, suffix) {
mkdirp.sync(BUILD_DIR + "tmp/");
const bytes = crypto.randomBytes(6).toString("hex");
const filePath = BUILD_DIR + "tmp/" + prefix + bytes + suffix;
fs.writeFileSync(filePath, "");
return filePath;
}
function createTestSource(testsName, { bot = false, xfaOnly = false } = {}) {
const source = stream.Readable({ objectMode: true });
source._read = function () {
console.log();
console.log("### Running " + testsName + " tests");
const PDF_TEST = process.env.PDF_TEST || "test_manifest.json";
let forceNoChrome = false;
const args = ["test.mjs"];
switch (testsName) {
case "browser":
if (!bot) {
args.push("--reftest");
} else {
const os = process.env.OS;
if (/windows/i.test(os)) {
// The browser-tests are too slow in Google Chrome on the Windows
// bot, causing a timeout, hence disabling them for now.
forceNoChrome = true;
}
}
if (xfaOnly) {
args.push("--xfaOnly");
}
args.push("--manifestFile=" + PDF_TEST);
break;
case "unit":
args.push("--unitTest");
break;
case "font":
args.push("--fontTest");
break;
case "integration":
args.push("--integration");
break;
default:
this.emit("error", new Error("Unknown name: " + testsName));
return null;
}
if (bot) {
args.push("--strictVerify");
}
if (process.argv.includes("--noChrome") || forceNoChrome) {
args.push("--noChrome");
}
if (process.argv.includes("--headless")) {
args.push("--headless");
}
const testProcess = startNode(args, { cwd: TEST_DIR, stdio: "inherit" });
testProcess.on("close", function (code) {
source.push(null);
});
return undefined;
};
return source;
}
function makeRef(done, bot) {
console.log();
console.log("### Creating reference images");
let forceNoChrome = false;
const args = ["test.mjs", "--masterMode"];
if (bot) {
const os = process.env.OS;
if (/windows/i.test(os)) {
// The browser-tests are too slow in Google Chrome on the Windows
// bot, causing a timeout, hence disabling them for now.
forceNoChrome = true;
}
args.push("--noPrompts", "--strictVerify");
}
if (process.argv.includes("--noChrome") || forceNoChrome) {
args.push("--noChrome");
}
if (process.argv.includes("--headless")) {
args.push("--headless");
}
const testProcess = startNode(args, { cwd: TEST_DIR, stdio: "inherit" });
testProcess.on("close", function (code) {
done();
});
}
gulp.task("default", function (done) {
console.log("Available tasks:");
const tasks = Object.keys(gulp.registry().tasks());
for (const taskName of tasks.sort()) {
if (taskName.endsWith("-pre")) {
continue;
}
console.log(" " + taskName);
}
done();
});
function createBuildNumber(done) {
console.log();
console.log("### Getting extension build number");
exec(
"git log --format=oneline " + config.baseVersion + "..",
function (err, stdout, stderr) {
let buildNumber = 0;
if (!err) {
// Build number is the number of commits since base version
buildNumber = stdout ? stdout.match(/\n/g).length : 0;
} else {
console.log(
"This is not a Git repository; using default build number."
);
}
console.log("Extension build number: " + buildNumber);
const version = config.versionPrefix + buildNumber;
exec('git log --format="%h" -n 1', function (err2, stdout2, stderr2) {
let buildCommit = "";
if (!err2) {
buildCommit = stdout2.replace("\n", "");
}
createStringSource(
"version.json",
JSON.stringify(
{
version,
build: buildNumber,
commit: buildCommit,
},
null,
2
)
)
.pipe(gulp.dest(BUILD_DIR))
.on("end", done);
});
}
);
}
function buildDefaultPreferences(defines, dir) {
console.log();
console.log("### Building default preferences");
const bundleDefines = {
...defines,
LIB: true,
TESTING: defines.TESTING ?? process.env.TESTING === "true",
};
const defaultPreferencesConfig = createWebpackConfig(
bundleDefines,
{
filename: "app_options.mjs",
library: {
type: "module",
},
},
{
disableVersionInfo: true,
}
);
return gulp
.src("web/app_options.js")
.pipe(webpack2Stream(defaultPreferencesConfig))
.pipe(gulp.dest(DEFAULT_PREFERENCES_DIR + dir));
}
async function parseDefaultPreferences(dir) {
console.log();
console.log("### Parsing default preferences");
// eslint-disable-next-line no-unsanitized/method
const { AppOptions, OptionKind } = await import(
"./" + DEFAULT_PREFERENCES_DIR + dir + "app_options.mjs"
);
const browserPrefs = AppOptions.getAll(OptionKind.BROWSER);
if (Object.keys(browserPrefs).length === 0) {
throw new Error("No browser preferences found.");
}
const prefs = AppOptions.getAll(OptionKind.PREFERENCE);
if (Object.keys(prefs).length === 0) {
throw new Error("No default preferences found.");
}
fs.writeFileSync(
DEFAULT_PREFERENCES_DIR + dir + "browser_preferences.json",
JSON.stringify(browserPrefs)
);
fs.writeFileSync(
DEFAULT_PREFERENCES_DIR + dir + "default_preferences.json",
JSON.stringify(prefs)
);
}
function getBrowserPreferences(dir) {
const str = fs
.readFileSync(DEFAULT_PREFERENCES_DIR + dir + "browser_preferences.json")
.toString();
return JSON.parse(str);
}
function getDefaultPreferences(dir) {
const str = fs
.readFileSync(DEFAULT_PREFERENCES_DIR + dir + "default_preferences.json")
.toString();
return JSON.parse(str);
}
function getDefaultFtl() {
const content = fs.readFileSync("l10n/en-US/viewer.ftl").toString(),
stringBuf = [];
// Strip out comments and line-breaks.
const regExp = /^\s*#/;
for (const line of content.split("\n")) {
if (!line || regExp.test(line)) {
continue;
}
stringBuf.push(line);
}
return stringBuf.join("\n");
}
gulp.task("locale", function () {
const VIEWER_LOCALE_OUTPUT = "web/locale/";
console.log();
console.log("### Building localization files");
rimraf.sync(VIEWER_LOCALE_OUTPUT);
mkdirp.sync(VIEWER_LOCALE_OUTPUT);
const subfolders = fs.readdirSync(L10N_DIR);
subfolders.sort();
const viewerOutput = Object.create(null);
const locales = [];
for (const locale of subfolders) {
const dirPath = L10N_DIR + locale;
if (!checkDir(dirPath)) {
continue;
}
if (!/^[a-z][a-z]([a-z])?(-[A-Z][A-Z])?$/.test(locale)) {
console.log("Skipping invalid locale: " + locale);
continue;
}
mkdirp.sync(VIEWER_LOCALE_OUTPUT + "/" + locale);
locales.push(locale);
if (checkFile(dirPath + "/viewer.ftl")) {
// The L10n-implementations, in the viewer, use lowercase language-codes
// internally.
viewerOutput[locale.toLowerCase()] = `${locale}/viewer.ftl`;
}
}
const glob = locales.length === 1 ? locales[0] : `{${locales.join(",")}}`;
return merge([
createStringSource("locale.json", JSON.stringify(viewerOutput)).pipe(
gulp.dest(VIEWER_LOCALE_OUTPUT)
),
gulp
.src(`${L10N_DIR}/${glob}/viewer.ftl`, {
base: L10N_DIR,
})
.pipe(gulp.dest(VIEWER_LOCALE_OUTPUT)),
]);
});
gulp.task("cmaps", async function () {
const CMAP_INPUT = "external/cmaps";
const VIEWER_CMAP_OUTPUT = "external/bcmaps";
console.log();
console.log("### Building cmaps");
// Testing a file that usually present.
if (!checkFile(CMAP_INPUT + "/UniJIS-UCS2-H")) {
console.log("./external/cmaps has no cmap files, download them from:");
console.log(" https://github.com/adobe-type-tools/cmap-resources");
throw new Error("cmap files were not found");
}
// Remove old bcmap files.
fs.readdirSync(VIEWER_CMAP_OUTPUT).forEach(function (file) {
if (/\.bcmap$/i.test(file)) {
fs.unlinkSync(VIEWER_CMAP_OUTPUT + "/" + file);
}
});
const { compressCmaps } = await import(
"./external/cmapscompress/compress.mjs"
);
compressCmaps(CMAP_INPUT, VIEWER_CMAP_OUTPUT, true);
});
function preprocessCSS(source, defines) {
const outName = getTempFile("~preprocess", ".css");
preprocess(source, outName, defines);
const out = fs.readFileSync(outName).toString();
fs.unlinkSync(outName);
const i = source.lastIndexOf("/");
return createStringSource(source.substr(i + 1), out);
}
function discardCommentsCSS() {
let copyrightNum = 0;
function remove(comment) {
// Remove all comments, except the *first* license header.
if (comment.startsWith("Copyright") && copyrightNum++ === 0) {
return false;
}
return true;
}
return postcssDiscardComments({ remove });
}
function preprocessHTML(source, defines) {
const outName = getTempFile("~preprocess", ".html");
preprocess(source, outName, defines);
const out = fs.readFileSync(outName).toString();
fs.unlinkSync(outName);
const i = source.lastIndexOf("/");
return createStringSource(source.substr(i + 1), `${out.trimEnd()}\n`);
}
function buildGeneric(defines, dir) {
rimraf.sync(dir);
return merge([
createMainBundle(defines).pipe(gulp.dest(dir + "build")),
createWorkerBundle(defines).pipe(gulp.dest(dir + "build")),
createSandboxBundle(defines).pipe(gulp.dest(dir + "build")),
createWebBundle(defines, {
defaultPreferencesDir: defines.SKIP_BABEL
? "generic/"
: "generic-legacy/",
}).pipe(gulp.dest(dir + "web")),
gulp.src(COMMON_WEB_FILES, { base: "web/" }).pipe(gulp.dest(dir + "web")),
gulp.src("LICENSE").pipe(gulp.dest(dir)),
gulp
.src(["web/locale/*/viewer.ftl", "web/locale/locale.json"], {
base: "web/",
})
.pipe(gulp.dest(dir + "web")),
createCMapBundle().pipe(gulp.dest(dir + "web/cmaps")),
createStandardFontBundle().pipe(gulp.dest(dir + "web/standard_fonts")),