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Текущая директория: /usr/lib/node_modules/bitgo/node_modules/@expo/image-utils/build
Просмотр файла: sharp.js
"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.findSharpInstanceAsync = exports.sharpAsync = exports.isAvailableAsync = exports.resizeBufferAsync = void 0;
const spawn_async_1 = __importDefault(require("@expo/spawn-async"));
const getenv_1 = require("getenv");
const path_1 = __importDefault(require("path"));
const resolve_from_1 = __importDefault(require("resolve-from"));
const semver_1 = __importDefault(require("semver"));
const SHARP_HELP_PATTERN = /\n\nSpecify --help for available options/g;
const SHARP_REQUIRED_VERSION = '^2.1.0';
async function resizeBufferAsync(buffer, sizes) {
const sharp = await findSharpInstanceAsync();
const metadata = await sharp(buffer).metadata();
// Create buffer for each size
const resizedBuffers = await Promise.all(sizes.map(dimension => {
const density = (dimension / Math.max(metadata.width, metadata.height)) * metadata.density;
return sharp(buffer, {
density: isNaN(density) ? undefined : Math.ceil(density),
})
.resize(dimension, dimension, { fit: 'contain', background: 'transparent' })
.toBuffer();
}));
return resizedBuffers;
}
exports.resizeBufferAsync = resizeBufferAsync;
const isSharpDisabled = (0, getenv_1.boolish)('EXPO_IMAGE_UTILS_NO_SHARP', false);
/**
* Returns `true` if a global sharp instance can be found.
* This functionality can be overridden with `process.env.EXPO_IMAGE_UTILS_NO_SHARP=1`.
*/
async function isAvailableAsync() {
if (isSharpDisabled) {
return false;
}
try {
return !!(await findSharpBinAsync());
}
catch {
return false;
}
}
exports.isAvailableAsync = isAvailableAsync;
async function sharpAsync(options, commands = []) {
const bin = await findSharpBinAsync();
try {
const { stdout } = await (0, spawn_async_1.default)(bin, [
...getOptions(options),
...getCommandOptions(commands),
]);
const outputFilePaths = stdout.trim().split('\n');
return outputFilePaths;
}
catch (error) {
if (error.stderr) {
throw new Error('\nProcessing images using sharp-cli failed: ' +
error.message +
'\nOutput: ' +
error.stderr.replace(SHARP_HELP_PATTERN, ''));
}
else {
throw error;
}
}
}
exports.sharpAsync = sharpAsync;
function getOptions(options) {
const args = [];
for (const [key, value] of Object.entries(options)) {
if (value != null && value !== false) {
if (typeof value === 'boolean') {
args.push(`--${key}`);
}
else if (typeof value === 'number') {
args.push(`--${key}`, value.toFixed());
}
else {
args.push(`--${key}`, value);
}
}
}
return args;
}
function getCommandOptions(commands) {
const args = [];
for (const command of commands) {
if (command.operation === 'resize') {
const { operation, width, ...namedOptions } = command;
args.push(operation, width.toFixed(), ...getOptions(namedOptions));
}
else {
const { operation, ...namedOptions } = command;
args.push(operation, ...getOptions(namedOptions));
}
args.push('--');
}
return args;
}
let _sharpBin = null;
let _sharpInstance = null;
async function findSharpBinAsync() {
if (_sharpBin) {
return _sharpBin;
}
try {
const sharpCliPackage = require('sharp-cli/package.json');
const libVipsVersion = require('sharp').versions.vips;
if (sharpCliPackage &&
semver_1.default.satisfies(sharpCliPackage.version, SHARP_REQUIRED_VERSION) &&
typeof sharpCliPackage.bin.sharp === 'string' &&
typeof libVipsVersion === 'string') {
_sharpBin = require.resolve(`sharp-cli/${sharpCliPackage.bin.sharp}`);
return _sharpBin;
}
}
catch {
// fall back to global sharp-cli
}
let installedCliVersion;
try {
installedCliVersion = (await (0, spawn_async_1.default)('sharp', ['--version'])).stdout.toString().trim();
}
catch {
throw notFoundError(SHARP_REQUIRED_VERSION);
}
if (!semver_1.default.satisfies(installedCliVersion, SHARP_REQUIRED_VERSION)) {
showVersionMismatchWarning(SHARP_REQUIRED_VERSION, installedCliVersion);
}
_sharpBin = 'sharp';
return _sharpBin;
}
/**
* Returns the instance of `sharp` installed by the global `sharp-cli` package.
* This method will throw errors if the `sharp` instance cannot be found, these errors can be circumvented by ensuring `isAvailableAsync()` resolves to `true`.
*/
async function findSharpInstanceAsync() {
if (isSharpDisabled) {
throw new Error('Global instance of sharp-cli cannot be retrieved because sharp-cli has been disabled with the environment variable `EXPO_IMAGE_UTILS_NO_SHARP`');
}
if (_sharpInstance) {
return _sharpInstance;
}
// Ensure sharp-cli version is correct
await findSharpBinAsync();
// Attempt to use local sharp package
try {
const sharp = require('sharp');
_sharpInstance = sharp;
return sharp;
}
catch { }
// Attempt to resolve the sharp instance used by the global CLI
let sharpCliPath;
if (process.platform !== 'win32') {
try {
sharpCliPath = (await (0, spawn_async_1.default)('which', ['sharp'])).stdout.toString().trim();
}
catch { }
}
else {
// On Windows systems, nested dependencies aren't linked to the paths within `require.resolve.paths`.
// Yarn installs these modules in a different folder, let's add yarn to the other attempts.
// See: https://github.com/expo/expo-cli/issues/2708
let yarnGlobalPath = '';
try {
yarnGlobalPath = path_1.default.join((await (0, spawn_async_1.default)('yarn', ['global', 'dir'])).stdout.toString().trim(), 'node_modules');
}
catch { }
try {
sharpCliPath = require.resolve('sharp-cli/package.json', {
paths: (require.resolve.paths('sharp-cli') || []).concat(yarnGlobalPath),
});
}
catch { }
}
// resolve sharp from the sharp-cli package
const sharpPath = resolve_from_1.default.silent(sharpCliPath || '', 'sharp');
if (sharpPath) {
try {
// attempt to require the global sharp package
_sharpInstance = require(sharpPath);
}
catch { }
}
if (!_sharpInstance) {
throw new Error(`Failed to find the instance of sharp used by the global sharp-cli package.`);
}
return _sharpInstance;
}
exports.findSharpInstanceAsync = findSharpInstanceAsync;
function notFoundError(requiredCliVersion) {
return new Error(`This command requires version ${requiredCliVersion} of \`sharp-cli\`. \n` +
`You can install it using \`npm install -g sharp-cli@${requiredCliVersion}\`. \n` +
'\n' +
'For prerequisites, see: https://sharp.dimens.io/en/stable/install/#prerequisites');
}
let versionMismatchWarningShown = false;
function showVersionMismatchWarning(requiredCliVersion, installedCliVersion) {
if (versionMismatchWarningShown) {
return;
}
console.warn(`Warning: This command requires version ${requiredCliVersion} of \`sharp-cli\`. \n` +
`Currently installed version: "${installedCliVersion}" \n` +
`Required version: "${requiredCliVersion}" \n` +
`You can install it using \`npm install -g sharp-cli@${requiredCliVersion}\`. \n` +
'\n' +
'For prerequisites, see: https://sharp.dimens.io/en/stable/install/#prerequisites');
versionMismatchWarningShown = true;
}
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