var __defProp = Object.defineProperty; var __defProps = Object.defineProperties; var __getOwnPropDescs = Object.getOwnPropertyDescriptors; var __getOwnPropSymbols = Object.getOwnPropertySymbols; var __hasOwnProp = Object.prototype.hasOwnProperty; var __propIsEnum = Object.prototype.propertyIsEnumerable; var __defNormalProp = (obj, key, value) => key in obj ? __defProp(obj, key, { enumerable: true, configurable: true, writable: true, value }) : obj[key] = value; var __spreadValues = (a, b) => { for (var prop in b || (b = {})) if (__hasOwnProp.call(b, prop)) __defNormalProp(a, prop, b[prop]); if (__getOwnPropSymbols) for (var prop of __getOwnPropSymbols(b)) { if (__propIsEnum.call(b, prop)) __defNormalProp(a, prop, b[prop]); } return a; }; var __spreadProps = (a, b) => __defProps(a, __getOwnPropDescs(b)); // lib/shared/stdio_protocol.ts function encodePacket(packet) { let visit = (value) => { if (value === null) { bb.write8(0); } else if (typeof value === "boolean") { bb.write8(1); bb.write8(+value); } else if (typeof value === "number") { bb.write8(2); bb.write32(value | 0); } else if (typeof value === "string") { bb.write8(3); bb.write(encodeUTF8(value)); } else if (value instanceof Uint8Array) { bb.write8(4); bb.write(value); } else if (value instanceof Array) { bb.write8(5); bb.write32(value.length); for (let item of value) { visit(item); } } else { let keys = Object.keys(value); bb.write8(6); bb.write32(keys.length); for (let key of keys) { bb.write(encodeUTF8(key)); visit(value[key]); } } }; let bb = new ByteBuffer(); bb.write32(0); bb.write32(packet.id << 1 | +!packet.isRequest); visit(packet.value); writeUInt32LE(bb.buf, bb.len - 4, 0); return bb.buf.subarray(0, bb.len); } function decodePacket(bytes) { let visit = () => { switch (bb.read8()) { case 0: return null; case 1: return !!bb.read8(); case 2: return bb.read32(); case 3: return decodeUTF8(bb.read()); case 4: return bb.read(); case 5: { let count = bb.read32(); let value2 = []; for (let i = 0; i < count; i++) { value2.push(visit()); } return value2; } case 6: { let count = bb.read32(); let value2 = {}; for (let i = 0; i < count; i++) { value2[decodeUTF8(bb.read())] = visit(); } return value2; } default: throw new Error("Invalid packet"); } }; let bb = new ByteBuffer(bytes); let id = bb.read32(); let isRequest = (id & 1) === 0; id >>>= 1; let value = visit(); if (bb.ptr !== bytes.length) { throw new Error("Invalid packet"); } return { id, isRequest, value }; } var ByteBuffer = class { constructor(buf = new Uint8Array(1024)) { this.buf = buf; this.len = 0; this.ptr = 0; } _write(delta) { if (this.len + delta > this.buf.length) { let clone = new Uint8Array((this.len + delta) * 2); clone.set(this.buf); this.buf = clone; } this.len += delta; return this.len - delta; } write8(value) { let offset = this._write(1); this.buf[offset] = value; } write32(value) { let offset = this._write(4); writeUInt32LE(this.buf, value, offset); } write(bytes) { let offset = this._write(4 + bytes.length); writeUInt32LE(this.buf, bytes.length, offset); this.buf.set(bytes, offset + 4); } _read(delta) { if (this.ptr + delta > this.buf.length) { throw new Error("Invalid packet"); } this.ptr += delta; return this.ptr - delta; } read8() { return this.buf[this._read(1)]; } read32() { return readUInt32LE(this.buf, this._read(4)); } read() { let length = this.read32(); let bytes = new Uint8Array(length); let ptr = this._read(bytes.length); bytes.set(this.buf.subarray(ptr, ptr + length)); return bytes; } }; var encodeUTF8; var decodeUTF8; if (typeof TextEncoder !== "undefined" && typeof TextDecoder !== "undefined") { let encoder = new TextEncoder(); let decoder = new TextDecoder(); encodeUTF8 = (text) => encoder.encode(text); decodeUTF8 = (bytes) => decoder.decode(bytes); } else if (typeof Buffer !== "undefined") { encodeUTF8 = (text) => { let buffer = Buffer.from(text); if (!(buffer instanceof Uint8Array)) { buffer = new Uint8Array(buffer); } return buffer; }; decodeUTF8 = (bytes) => { let { buffer, byteOffset, byteLength } = bytes; return Buffer.from(buffer, byteOffset, byteLength).toString(); }; } else { throw new Error("No UTF-8 codec found"); } function readUInt32LE(buffer, offset) { return buffer[offset++] | buffer[offset++] << 8 | buffer[offset++] << 16 | buffer[offset++] << 24; } function writeUInt32LE(buffer, value, offset) { buffer[offset++] = value; buffer[offset++] = value >> 8; buffer[offset++] = value >> 16; buffer[offset++] = value >> 24; } // lib/shared/common.ts function validateTarget(target) { target += ""; if (target.indexOf(",") >= 0) throw new Error(`Invalid target: ${target}`); return target; } var canBeAnything = () => null; var mustBeBoolean = (value) => typeof value === "boolean" ? null : "a boolean"; var mustBeBooleanOrObject = (value) => typeof value === "boolean" || typeof value === "object" && !Array.isArray(value) ? null : "a boolean or an object"; var mustBeString = (value) => typeof value === "string" ? null : "a string"; var mustBeRegExp = (value) => value instanceof RegExp ? null : "a RegExp object"; var mustBeInteger = (value) => typeof value === "number" && value === (value | 0) ? null : "an integer"; var mustBeFunction = (value) => typeof value === "function" ? null : "a function"; var mustBeArray = (value) => Array.isArray(value) ? null : "an array"; var mustBeObject = (value) => typeof value === "object" && value !== null && !Array.isArray(value) ? null : "an object"; var mustBeArrayOrRecord = (value) => typeof value === "object" && value !== null ? null : "an array or an object"; var mustBeObjectOrNull = (value) => typeof value === "object" && !Array.isArray(value) ? null : "an object or null"; var mustBeStringOrBoolean = (value) => typeof value === "string" || typeof value === "boolean" ? null : "a string or a boolean"; var mustBeStringOrObject = (value) => typeof value === "string" || typeof value === "object" && value !== null && !Array.isArray(value) ? null : "a string or an object"; var mustBeStringOrArray = (value) => typeof value === "string" || Array.isArray(value) ? null : "a string or an array"; var mustBeStringOrUint8Array = (value) => typeof value === "string" || value instanceof Uint8Array ? null : "a string or a Uint8Array"; function getFlag(object, keys, key, mustBeFn) { let value = object[key]; keys[key + ""] = true; if (value === void 0) return void 0; let mustBe = mustBeFn(value); if (mustBe !== null) throw new Error(`"${key}" must be ${mustBe}`); return value; } function checkForInvalidFlags(object, keys, where) { for (let key in object) { if (!(key in keys)) { throw new Error(`Invalid option ${where}: "${key}"`); } } } function validateInitializeOptions(options) { let keys = Object.create(null); let wasmURL = getFlag(options, keys, "wasmURL", mustBeString); let worker = getFlag(options, keys, "worker", mustBeBoolean); checkForInvalidFlags(options, keys, "in startService() call"); return { wasmURL, worker }; } function pushLogFlags(flags, options, keys, isTTY, logLevelDefault) { let color = getFlag(options, keys, "color", mustBeBoolean); let logLevel = getFlag(options, keys, "logLevel", mustBeString); let logLimit = getFlag(options, keys, "logLimit", mustBeInteger); if (color !== void 0) flags.push(`--color=${color}`); else if (isTTY) flags.push(`--color=true`); flags.push(`--log-level=${logLevel || logLevelDefault}`); flags.push(`--log-limit=${logLimit || 0}`); } function pushCommonFlags(flags, options, keys) { let legalComments = getFlag(options, keys, "legalComments", mustBeString); let sourceRoot = getFlag(options, keys, "sourceRoot", mustBeString); let sourcesContent = getFlag(options, keys, "sourcesContent", mustBeBoolean); let target = getFlag(options, keys, "target", mustBeStringOrArray); let format = getFlag(options, keys, "format", mustBeString); let globalName = getFlag(options, keys, "globalName", mustBeString); let minify = getFlag(options, keys, "minify", mustBeBoolean); let minifySyntax = getFlag(options, keys, "minifySyntax", mustBeBoolean); let minifyWhitespace = getFlag(options, keys, "minifyWhitespace", mustBeBoolean); let minifyIdentifiers = getFlag(options, keys, "minifyIdentifiers", mustBeBoolean); let charset = getFlag(options, keys, "charset", mustBeString); let treeShaking = getFlag(options, keys, "treeShaking", mustBeBoolean); let ignoreAnnotations = getFlag(options, keys, "ignoreAnnotations", mustBeBoolean); let jsx = getFlag(options, keys, "jsx", mustBeString); let jsxFactory = getFlag(options, keys, "jsxFactory", mustBeString); let jsxFragment = getFlag(options, keys, "jsxFragment", mustBeString); let define = getFlag(options, keys, "define", mustBeObject); let pure = getFlag(options, keys, "pure", mustBeArray); let keepNames = getFlag(options, keys, "keepNames", mustBeBoolean); if (legalComments) flags.push(`--legal-comments=${legalComments}`); if (sourceRoot !== void 0) flags.push(`--source-root=${sourceRoot}`); if (sourcesContent !== void 0) flags.push(`--sources-content=${sourcesContent}`); if (target) { if (Array.isArray(target)) flags.push(`--target=${Array.from(target).map(validateTarget).join(",")}`); else flags.push(`--target=${validateTarget(target)}`); } if (format) flags.push(`--format=${format}`); if (globalName) flags.push(`--global-name=${globalName}`); if (minify) flags.push("--minify"); if (minifySyntax) flags.push("--minify-syntax"); if (minifyWhitespace) flags.push("--minify-whitespace"); if (minifyIdentifiers) flags.push("--minify-identifiers"); if (charset) flags.push(`--charset=${charset}`); if (treeShaking !== void 0) flags.push(`--tree-shaking=${treeShaking}`); if (ignoreAnnotations) flags.push(`--ignore-annotations`); if (jsx) flags.push(`--jsx=${jsx}`); if (jsxFactory) flags.push(`--jsx-factory=${jsxFactory}`); if (jsxFragment) flags.push(`--jsx-fragment=${jsxFragment}`); if (define) { for (let key in define) { if (key.indexOf("=") >= 0) throw new Error(`Invalid define: ${key}`); flags.push(`--define:${key}=${define[key]}`); } } if (pure) for (let fn of pure) flags.push(`--pure:${fn}`); if (keepNames) flags.push(`--keep-names`); } function flagsForBuildOptions(callName, options, isTTY, logLevelDefault, writeDefault) { var _a; let flags = []; let entries = []; let keys = Object.create(null); let stdinContents = null; let stdinResolveDir = null; let watchMode = null; pushLogFlags(flags, options, keys, isTTY, logLevelDefault); pushCommonFlags(flags, options, keys); let sourcemap = getFlag(options, keys, "sourcemap", mustBeStringOrBoolean); let bundle = getFlag(options, keys, "bundle", mustBeBoolean); let watch = getFlag(options, keys, "watch", mustBeBooleanOrObject); let splitting = getFlag(options, keys, "splitting", mustBeBoolean); let preserveSymlinks = getFlag(options, keys, "preserveSymlinks", mustBeBoolean); let metafile = getFlag(options, keys, "metafile", mustBeBoolean); let outfile = getFlag(options, keys, "outfile", mustBeString); let outdir = getFlag(options, keys, "outdir", mustBeString); let outbase = getFlag(options, keys, "outbase", mustBeString); let platform = getFlag(options, keys, "platform", mustBeString); let tsconfig = getFlag(options, keys, "tsconfig", mustBeString); let resolveExtensions = getFlag(options, keys, "resolveExtensions", mustBeArray); let nodePathsInput = getFlag(options, keys, "nodePaths", mustBeArray); let mainFields = getFlag(options, keys, "mainFields", mustBeArray); let conditions = getFlag(options, keys, "conditions", mustBeArray); let external = getFlag(options, keys, "external", mustBeArray); let loader = getFlag(options, keys, "loader", mustBeObject); let outExtension = getFlag(options, keys, "outExtension", mustBeObject); let publicPath = getFlag(options, keys, "publicPath", mustBeString); let entryNames = getFlag(options, keys, "entryNames", mustBeString); let chunkNames = getFlag(options, keys, "chunkNames", mustBeString); let assetNames = getFlag(options, keys, "assetNames", mustBeString); let inject = getFlag(options, keys, "inject", mustBeArray); let banner = getFlag(options, keys, "banner", mustBeObject); let footer = getFlag(options, keys, "footer", mustBeObject); let entryPoints = getFlag(options, keys, "entryPoints", mustBeArrayOrRecord); let absWorkingDir = getFlag(options, keys, "absWorkingDir", mustBeString); let stdin = getFlag(options, keys, "stdin", mustBeObject); let write = (_a = getFlag(options, keys, "write", mustBeBoolean)) != null ? _a : writeDefault; let allowOverwrite = getFlag(options, keys, "allowOverwrite", mustBeBoolean); let incremental = getFlag(options, keys, "incremental", mustBeBoolean) === true; keys.plugins = true; checkForInvalidFlags(options, keys, `in ${callName}() call`); if (sourcemap) flags.push(`--sourcemap${sourcemap === true ? "" : `=${sourcemap}`}`); if (bundle) flags.push("--bundle"); if (allowOverwrite) flags.push("--allow-overwrite"); if (watch) { flags.push("--watch"); if (typeof watch === "boolean") { watchMode = {}; } else { let watchKeys = Object.create(null); let onRebuild = getFlag(watch, watchKeys, "onRebuild", mustBeFunction); checkForInvalidFlags(watch, watchKeys, `on "watch" in ${callName}() call`); watchMode = { onRebuild }; } } if (splitting) flags.push("--splitting"); if (preserveSymlinks) flags.push("--preserve-symlinks"); if (metafile) flags.push(`--metafile`); if (outfile) flags.push(`--outfile=${outfile}`); if (outdir) flags.push(`--outdir=${outdir}`); if (outbase) flags.push(`--outbase=${outbase}`); if (platform) flags.push(`--platform=${platform}`); if (tsconfig) flags.push(`--tsconfig=${tsconfig}`); if (resolveExtensions) { let values = []; for (let value of resolveExtensions) { value += ""; if (value.indexOf(",") >= 0) throw new Error(`Invalid resolve extension: ${value}`); values.push(value); } flags.push(`--resolve-extensions=${values.join(",")}`); } if (publicPath) flags.push(`--public-path=${publicPath}`); if (entryNames) flags.push(`--entry-names=${entryNames}`); if (chunkNames) flags.push(`--chunk-names=${chunkNames}`); if (assetNames) flags.push(`--asset-names=${assetNames}`); if (mainFields) { let values = []; for (let value of mainFields) { value += ""; if (value.indexOf(",") >= 0) throw new Error(`Invalid main field: ${value}`); values.push(value); } flags.push(`--main-fields=${values.join(",")}`); } if (conditions) { let values = []; for (let value of conditions) { value += ""; if (value.indexOf(",") >= 0) throw new Error(`Invalid condition: ${value}`); values.push(value); } flags.push(`--conditions=${values.join(",")}`); } if (external) for (let name of external) flags.push(`--external:${name}`); if (banner) { for (let type in banner) { if (type.indexOf("=") >= 0) throw new Error(`Invalid banner file type: ${type}`); flags.push(`--banner:${type}=${banner[type]}`); } } if (footer) { for (let type in footer) { if (type.indexOf("=") >= 0) throw new Error(`Invalid footer file type: ${type}`); flags.push(`--footer:${type}=${footer[type]}`); } } if (inject) for (let path of inject) flags.push(`--inject:${path}`); if (loader) { for (let ext in loader) { if (ext.indexOf("=") >= 0) throw new Error(`Invalid loader extension: ${ext}`); flags.push(`--loader:${ext}=${loader[ext]}`); } } if (outExtension) { for (let ext in outExtension) { if (ext.indexOf("=") >= 0) throw new Error(`Invalid out extension: ${ext}`); flags.push(`--out-extension:${ext}=${outExtension[ext]}`); } } if (entryPoints) { if (Array.isArray(entryPoints)) { for (let entryPoint of entryPoints) { entries.push(["", entryPoint + ""]); } } else { for (let [key, value] of Object.entries(entryPoints)) { entries.push([key + "", value + ""]); } } } if (stdin) { let stdinKeys = Object.create(null); let contents = getFlag(stdin, stdinKeys, "contents", mustBeString); let resolveDir = getFlag(stdin, stdinKeys, "resolveDir", mustBeString); let sourcefile = getFlag(stdin, stdinKeys, "sourcefile", mustBeString); let loader2 = getFlag(stdin, stdinKeys, "loader", mustBeString); checkForInvalidFlags(stdin, stdinKeys, 'in "stdin" object'); if (sourcefile) flags.push(`--sourcefile=${sourcefile}`); if (loader2) flags.push(`--loader=${loader2}`); if (resolveDir) stdinResolveDir = resolveDir + ""; stdinContents = contents ? contents + "" : ""; } let nodePaths = []; if (nodePathsInput) { for (let value of nodePathsInput) { value += ""; nodePaths.push(value); } } return { entries, flags, write, stdinContents, stdinResolveDir, absWorkingDir, incremental, nodePaths, watch: watchMode }; } function flagsForTransformOptions(callName, options, isTTY, logLevelDefault) { let flags = []; let keys = Object.create(null); pushLogFlags(flags, options, keys, isTTY, logLevelDefault); pushCommonFlags(flags, options, keys); let sourcemap = getFlag(options, keys, "sourcemap", mustBeStringOrBoolean); let tsconfigRaw = getFlag(options, keys, "tsconfigRaw", mustBeStringOrObject); let sourcefile = getFlag(options, keys, "sourcefile", mustBeString); let loader = getFlag(options, keys, "loader", mustBeString); let banner = getFlag(options, keys, "banner", mustBeString); let footer = getFlag(options, keys, "footer", mustBeString); checkForInvalidFlags(options, keys, `in ${callName}() call`); if (sourcemap) flags.push(`--sourcemap=${sourcemap === true ? "external" : sourcemap}`); if (tsconfigRaw) flags.push(`--tsconfig-raw=${typeof tsconfigRaw === "string" ? tsconfigRaw : JSON.stringify(tsconfigRaw)}`); if (sourcefile) flags.push(`--sourcefile=${sourcefile}`); if (loader) flags.push(`--loader=${loader}`); if (banner) flags.push(`--banner=${banner}`); if (footer) flags.push(`--footer=${footer}`); return flags; } function createChannel(streamIn) { let responseCallbacks = new Map(); let pluginCallbacks = new Map(); let watchCallbacks = new Map(); let serveCallbacks = new Map(); let nextServeID = 0; let isClosed = false; let nextRequestID = 0; let nextBuildKey = 0; let stdout = new Uint8Array(16 * 1024); let stdoutUsed = 0; let readFromStdout = (chunk) => { let limit = stdoutUsed + chunk.length; if (limit > stdout.length) { let swap = new Uint8Array(limit * 2); swap.set(stdout); stdout = swap; } stdout.set(chunk, stdoutUsed); stdoutUsed += chunk.length; let offset = 0; while (offset + 4 <= stdoutUsed) { let length = readUInt32LE(stdout, offset); if (offset + 4 + length > stdoutUsed) { break; } offset += 4; handleIncomingPacket(stdout.subarray(offset, offset + length)); offset += length; } if (offset > 0) { stdout.copyWithin(0, offset, stdoutUsed); stdoutUsed -= offset; } }; let afterClose = () => { isClosed = true; for (let callback of responseCallbacks.values()) { callback("The service was stopped", null); } responseCallbacks.clear(); for (let callbacks of serveCallbacks.values()) { callbacks.onWait("The service was stopped"); } serveCallbacks.clear(); for (let callback of watchCallbacks.values()) { try { callback(new Error("The service was stopped"), null); } catch (e) { console.error(e); } } watchCallbacks.clear(); }; let sendRequest = (refs, value, callback) => { if (isClosed) return callback("The service is no longer running", null); let id = nextRequestID++; responseCallbacks.set(id, (error, response) => { try { callback(error, response); } finally { if (refs) refs.unref(); } }); if (refs) refs.ref(); streamIn.writeToStdin(encodePacket({ id, isRequest: true, value })); }; let sendResponse = (id, value) => { if (isClosed) throw new Error("The service is no longer running"); streamIn.writeToStdin(encodePacket({ id, isRequest: false, value })); }; let handleRequest = async (id, request) => { try { switch (request.command) { case "ping": { sendResponse(id, {}); break; } case "start": { let callback = pluginCallbacks.get(request.key); if (!callback) sendResponse(id, {}); else sendResponse(id, await callback(request)); break; } case "resolve": { let callback = pluginCallbacks.get(request.key); if (!callback) sendResponse(id, {}); else sendResponse(id, await callback(request)); break; } case "load": { let callback = pluginCallbacks.get(request.key); if (!callback) sendResponse(id, {}); else sendResponse(id, await callback(request)); break; } case "serve-request": { let callbacks = serveCallbacks.get(request.serveID); if (callbacks && callbacks.onRequest) callbacks.onRequest(request.args); sendResponse(id, {}); break; } case "serve-wait": { let callbacks = serveCallbacks.get(request.serveID); if (callbacks) callbacks.onWait(request.error); sendResponse(id, {}); break; } case "watch-rebuild": { let callback = watchCallbacks.get(request.watchID); try { if (callback) callback(null, request.args); } catch (err) { console.error(err); } sendResponse(id, {}); break; } default: throw new Error(`Invalid command: ` + request.command); } } catch (e) { sendResponse(id, { errors: [extractErrorMessageV8(e, streamIn, null, void 0, "")] }); } }; let isFirstPacket = true; let handleIncomingPacket = (bytes) => { if (isFirstPacket) { isFirstPacket = false; let binaryVersion = String.fromCharCode(...bytes); if (binaryVersion !== "0.13.4") { throw new Error(`Cannot start service: Host version "${"0.13.4"}" does not match binary version ${JSON.stringify(binaryVersion)}`); } return; } let packet = decodePacket(bytes); if (packet.isRequest) { handleRequest(packet.id, packet.value); } else { let callback = responseCallbacks.get(packet.id); responseCallbacks.delete(packet.id); if (packet.value.error) callback(packet.value.error, {}); else callback(null, packet.value); } }; let handlePlugins = async (initialOptions, plugins, buildKey, stash) => { let onStartCallbacks = []; let onEndCallbacks = []; let onResolveCallbacks = {}; let onLoadCallbacks = {}; let nextCallbackID = 0; let i = 0; let requestPlugins = []; plugins = [...plugins]; for (let item of plugins) { let keys = {}; if (typeof item !== "object") throw new Error(`Plugin at index ${i} must be an object`); let name = getFlag(item, keys, "name", mustBeString); if (typeof name !== "string" || name === "") throw new Error(`Plugin at index ${i} is missing a name`); try { let setup = getFlag(item, keys, "setup", mustBeFunction); if (typeof setup !== "function") throw new Error(`Plugin is missing a setup function`); checkForInvalidFlags(item, keys, `on plugin ${JSON.stringify(name)}`); let plugin = { name, onResolve: [], onLoad: [] }; i++; let promise = setup({ initialOptions, onStart(callback2) { let registeredText = `This error came from the "onStart" callback registered here`; let registeredNote = extractCallerV8(new Error(registeredText), streamIn, "onStart"); onStartCallbacks.push({ name, callback: callback2, note: registeredNote }); }, onEnd(callback2) { let registeredText = `This error came from the "onEnd" callback registered here`; let registeredNote = extractCallerV8(new Error(registeredText), streamIn, "onEnd"); onEndCallbacks.push({ name, callback: callback2, note: registeredNote }); }, onResolve(options, callback2) { let registeredText = `This error came from the "onResolve" callback registered here`; let registeredNote = extractCallerV8(new Error(registeredText), streamIn, "onResolve"); let keys2 = {}; let filter = getFlag(options, keys2, "filter", mustBeRegExp); let namespace = getFlag(options, keys2, "namespace", mustBeString); checkForInvalidFlags(options, keys2, `in onResolve() call for plugin ${JSON.stringify(name)}`); if (filter == null) throw new Error(`onResolve() call is missing a filter`); let id = nextCallbackID++; onResolveCallbacks[id] = { name, callback: callback2, note: registeredNote }; plugin.onResolve.push({ id, filter: filter.source, namespace: namespace || "" }); }, onLoad(options, callback2) { let registeredText = `This error came from the "onLoad" callback registered here`; let registeredNote = extractCallerV8(new Error(registeredText), streamIn, "onLoad"); let keys2 = {}; let filter = getFlag(options, keys2, "filter", mustBeRegExp); let namespace = getFlag(options, keys2, "namespace", mustBeString); checkForInvalidFlags(options, keys2, `in onLoad() call for plugin ${JSON.stringify(name)}`); if (filter == null) throw new Error(`onLoad() call is missing a filter`); let id = nextCallbackID++; onLoadCallbacks[id] = { name, callback: callback2, note: registeredNote }; plugin.onLoad.push({ id, filter: filter.source, namespace: namespace || "" }); } }); if (promise) await promise; requestPlugins.push(plugin); } catch (e) { return { ok: false, error: e, pluginName: name }; } } const callback = async (request) => { switch (request.command) { case "start": { let response = { errors: [], warnings: [] }; await Promise.all(onStartCallbacks.map(async ({ name, callback: callback2, note }) => { try { let result = await callback2(); if (result != null) { if (typeof result !== "object") throw new Error(`Expected onStart() callback in plugin ${JSON.stringify(name)} to return an object`); let keys = {}; let errors = getFlag(result, keys, "errors", mustBeArray); let warnings = getFlag(result, keys, "warnings", mustBeArray); checkForInvalidFlags(result, keys, `from onStart() callback in plugin ${JSON.stringify(name)}`); if (errors != null) response.errors.push(...sanitizeMessages(errors, "errors", stash, name)); if (warnings != null) response.warnings.push(...sanitizeMessages(warnings, "warnings", stash, name)); } } catch (e) { response.errors.push(extractErrorMessageV8(e, streamIn, stash, note && note(), name)); } })); return response; } case "resolve": { let response = {}, name = "", callback2, note; for (let id of request.ids) { try { ({ name, callback: callback2, note } = onResolveCallbacks[id]); let result = await callback2({ path: request.path, importer: request.importer, namespace: request.namespace, resolveDir: request.resolveDir, kind: request.kind, pluginData: stash.load(request.pluginData) }); if (result != null) { if (typeof result !== "object") throw new Error(`Expected onResolve() callback in plugin ${JSON.stringify(name)} to return an object`); let keys = {}; let pluginName = getFlag(result, keys, "pluginName", mustBeString); let path = getFlag(result, keys, "path", mustBeString); let namespace = getFlag(result, keys, "namespace", mustBeString); let external = getFlag(result, keys, "external", mustBeBoolean); let sideEffects = getFlag(result, keys, "sideEffects", mustBeBoolean); let pluginData = getFlag(result, keys, "pluginData", canBeAnything); let errors = getFlag(result, keys, "errors", mustBeArray); let warnings = getFlag(result, keys, "warnings", mustBeArray); let watchFiles = getFlag(result, keys, "watchFiles", mustBeArray); let watchDirs = getFlag(result, keys, "watchDirs", mustBeArray); checkForInvalidFlags(result, keys, `from onResolve() callback in plugin ${JSON.stringify(name)}`); response.id = id; if (pluginName != null) response.pluginName = pluginName; if (path != null) response.path = path; if (namespace != null) response.namespace = namespace; if (external != null) response.external = external; if (sideEffects != null) response.sideEffects = sideEffects; if (pluginData != null) response.pluginData = stash.store(pluginData); if (errors != null) response.errors = sanitizeMessages(errors, "errors", stash, name); if (warnings != null) response.warnings = sanitizeMessages(warnings, "warnings", stash, name); if (watchFiles != null) response.watchFiles = sanitizeStringArray(watchFiles, "watchFiles"); if (watchDirs != null) response.watchDirs = sanitizeStringArray(watchDirs, "watchDirs"); break; } } catch (e) { return { id, errors: [extractErrorMessageV8(e, streamIn, stash, note && note(), name)] }; } } return response; } case "load": { let response = {}, name = "", callback2, note; for (let id of request.ids) { try { ({ name, callback: callback2, note } = onLoadCallbacks[id]); let result = await callback2({ path: request.path, namespace: request.namespace, pluginData: stash.load(request.pluginData) }); if (result != null) { if (typeof result !== "object") throw new Error(`Expected onLoad() callback in plugin ${JSON.stringify(name)} to return an object`); let keys = {}; let pluginName = getFlag(result, keys, "pluginName", mustBeString); let contents = getFlag(result, keys, "contents", mustBeStringOrUint8Array); let resolveDir = getFlag(result, keys, "resolveDir", mustBeString); let pluginData = getFlag(result, keys, "pluginData", canBeAnything); let loader = getFlag(result, keys, "loader", mustBeString); let errors = getFlag(result, keys, "errors", mustBeArray); let warnings = getFlag(result, keys, "warnings", mustBeArray); let watchFiles = getFlag(result, keys, "watchFiles", mustBeArray); let watchDirs = getFlag(result, keys, "watchDirs", mustBeArray); checkForInvalidFlags(result, keys, `from onLoad() callback in plugin ${JSON.stringify(name)}`); response.id = id; if (pluginName != null) response.pluginName = pluginName; if (contents instanceof Uint8Array) response.contents = contents; else if (contents != null) response.contents = encodeUTF8(contents); if (resolveDir != null) response.resolveDir = resolveDir; if (pluginData != null) response.pluginData = stash.store(pluginData); if (loader != null) response.loader = loader; if (errors != null) response.errors = sanitizeMessages(errors, "errors", stash, name); if (warnings != null) response.warnings = sanitizeMessages(warnings, "warnings", stash, name); if (watchFiles != null) response.watchFiles = sanitizeStringArray(watchFiles, "watchFiles"); if (watchDirs != null) response.watchDirs = sanitizeStringArray(watchDirs, "watchDirs"); break; } } catch (e) { return { id, errors: [extractErrorMessageV8(e, streamIn, stash, note && note(), name)] }; } } return response; } default: throw new Error(`Invalid command: ` + request.command); } }; let runOnEndCallbacks = (result, logPluginError, done) => done(); if (onEndCallbacks.length > 0) { runOnEndCallbacks = (result, logPluginError, done) => { (async () => { for (const { name, callback: callback2, note } of onEndCallbacks) { try { await callback2(result); } catch (e) { result.errors.push(await new Promise((resolve) => logPluginError(e, name, note && note(), resolve))); } } })().then(done); }; } let refCount = 0; return { ok: true, requestPlugins, runOnEndCallbacks, pluginRefs: { ref() { if (++refCount === 1) pluginCallbacks.set(buildKey, callback); }, unref() { if (--refCount === 0) pluginCallbacks.delete(buildKey); } } }; }; let buildServeData = (refs, options, request) => { let keys = {}; let port = getFlag(options, keys, "port", mustBeInteger); let host = getFlag(options, keys, "host", mustBeString); let servedir = getFlag(options, keys, "servedir", mustBeString); let onRequest = getFlag(options, keys, "onRequest", mustBeFunction); let serveID = nextServeID++; let onWait; let wait = new Promise((resolve, reject) => { onWait = (error) => { serveCallbacks.delete(serveID); if (error !== null) reject(new Error(error)); else resolve(); }; }); request.serve = { serveID }; checkForInvalidFlags(options, keys, `in serve() call`); if (port !== void 0) request.serve.port = port; if (host !== void 0) request.serve.host = host; if (servedir !== void 0) request.serve.servedir = servedir; serveCallbacks.set(serveID, { onRequest, onWait }); return { wait, stop() { sendRequest(refs, { command: "serve-stop", serveID }, () => { }); } }; }; const buildLogLevelDefault = "warning"; const transformLogLevelDefault = "silent"; let buildOrServe = (args) => { let key = nextBuildKey++; const details = createObjectStash(); let plugins; let { refs, options, isTTY, callback } = args; if (typeof options === "object") { let value = options.plugins; if (value !== void 0) { if (!Array.isArray(value)) throw new Error(`"plugins" must be an array`); plugins = value; } } let logPluginError = (e, pluginName, note, done) => { let flags = []; try { pushLogFlags(flags, options, {}, isTTY, buildLogLevelDefault); } catch (e2) { } const message = extractErrorMessageV8(e, streamIn, details, note, pluginName); sendRequest(refs, { command: "error", flags, error: message }, () => { message.detail = details.load(message.detail); done(message); }); }; let handleError = (e, pluginName) => { logPluginError(e, pluginName, void 0, (error) => { callback(failureErrorWithLog("Build failed", [error], []), null); }); }; if (plugins && plugins.length > 0) { if (streamIn.isSync) return handleError(new Error("Cannot use plugins in synchronous API calls"), ""); handlePlugins(options, plugins, key, details).then((result) => { if (!result.ok) { handleError(result.error, result.pluginName); } else { try { buildOrServeContinue(__spreadProps(__spreadValues({}, args), { key, details, logPluginError, requestPlugins: result.requestPlugins, runOnEndCallbacks: result.runOnEndCallbacks, pluginRefs: result.pluginRefs })); } catch (e) { handleError(e, ""); } } }, (e) => handleError(e, "")); } else { try { buildOrServeContinue(__spreadProps(__spreadValues({}, args), { key, details, logPluginError, requestPlugins: null, runOnEndCallbacks: (result, logPluginError2, done) => done(), pluginRefs: null })); } catch (e) { handleError(e, ""); } } }; let buildOrServeContinue = ({ callName, refs: callerRefs, serveOptions, options, isTTY, defaultWD, callback, key, details, logPluginError, requestPlugins, runOnEndCallbacks, pluginRefs }) => { const refs = { ref() { if (pluginRefs) pluginRefs.ref(); if (callerRefs) callerRefs.ref(); }, unref() { if (pluginRefs) pluginRefs.unref(); if (callerRefs) callerRefs.unref(); } }; let writeDefault = !streamIn.isBrowser; let { entries, flags, write, stdinContents, stdinResolveDir, absWorkingDir, incremental, nodePaths, watch } = flagsForBuildOptions(callName, options, isTTY, buildLogLevelDefault, writeDefault); let request = { command: "build", key, entries, flags, write, stdinContents, stdinResolveDir, absWorkingDir: absWorkingDir || defaultWD, incremental, nodePaths }; if (requestPlugins) request.plugins = requestPlugins; let serve2 = serveOptions && buildServeData(refs, serveOptions, request); let rebuild; let stop; let copyResponseToResult = (response, result) => { if (response.outputFiles) result.outputFiles = response.outputFiles.map(convertOutputFiles); if (response.metafile) result.metafile = JSON.parse(response.metafile); if (response.writeToStdout !== void 0) console.log(decodeUTF8(response.writeToStdout).replace(/\n$/, "")); }; let buildResponseToResult = (response, callback2) => { let result = { errors: replaceDetailsInMessages(response.errors, details), warnings: replaceDetailsInMessages(response.warnings, details) }; copyResponseToResult(response, result); runOnEndCallbacks(result, logPluginError, () => { if (result.errors.length > 0) { return callback2(failureErrorWithLog("Build failed", result.errors, result.warnings), null); } if (response.rebuildID !== void 0) { if (!rebuild) { let isDisposed = false; rebuild = () => new Promise((resolve, reject) => { if (isDisposed || isClosed) throw new Error("Cannot rebuild"); sendRequest(refs, { command: "rebuild", rebuildID: response.rebuildID }, (error2, response2) => { if (error2) { const message = { pluginName: "", text: error2, location: null, notes: [], detail: void 0 }; return callback2(failureErrorWithLog("Build failed", [message], []), null); } buildResponseToResult(response2, (error3, result3) => { if (error3) reject(error3); else resolve(result3); }); }); }); refs.ref(); rebuild.dispose = () => { if (isDisposed) return; isDisposed = true; sendRequest(refs, { command: "rebuild-dispose", rebuildID: response.rebuildID }, () => { }); refs.unref(); }; } result.rebuild = rebuild; } if (response.watchID !== void 0) { if (!stop) { let isStopped = false; refs.ref(); stop = () => { if (isStopped) return; isStopped = true; watchCallbacks.delete(response.watchID); sendRequest(refs, { command: "watch-stop", watchID: response.watchID }, () => { }); refs.unref(); }; if (watch) { watchCallbacks.set(response.watchID, (serviceStopError, watchResponse) => { if (serviceStopError) { if (watch.onRebuild) watch.onRebuild(serviceStopError, null); return; } let result2 = { errors: replaceDetailsInMessages(watchResponse.errors, details), warnings: replaceDetailsInMessages(watchResponse.warnings, details) }; copyResponseToResult(watchResponse, result2); runOnEndCallbacks(result2, logPluginError, () => { if (result2.errors.length > 0) { if (watch.onRebuild) watch.onRebuild(failureErrorWithLog("Build failed", result2.errors, result2.warnings), null); return; } if (watchResponse.rebuildID !== void 0) result2.rebuild = rebuild; result2.stop = stop; if (watch.onRebuild) watch.onRebuild(null, result2); }); }); } } result.stop = stop; } callback2(null, result); }); }; if (write && streamIn.isBrowser) throw new Error(`Cannot enable "write" in the browser`); if (incremental && streamIn.isSync) throw new Error(`Cannot use "incremental" with a synchronous build`); if (watch && streamIn.isSync) throw new Error(`Cannot use "watch" with a synchronous build`); sendRequest(refs, request, (error, response) => { if (error) return callback(new Error(error), null); if (serve2) { let serveResponse = response; let isStopped = false; refs.ref(); let result = { port: serveResponse.port, host: serveResponse.host, wait: serve2.wait, stop() { if (isStopped) return; isStopped = true; serve2.stop(); refs.unref(); } }; refs.ref(); serve2.wait.then(refs.unref, refs.unref); return callback(null, result); } return buildResponseToResult(response, callback); }); }; let transform2 = ({ callName, refs, input, options, isTTY, fs, callback }) => { const details = createObjectStash(); let start = (inputPath) => { try { if (typeof input !== "string") throw new Error('The input to "transform" must be a string'); let flags = flagsForTransformOptions(callName, options, isTTY, transformLogLevelDefault); let request = { command: "transform", flags, inputFS: inputPath !== null, input: inputPath !== null ? inputPath : input }; sendRequest(refs, request, (error, response) => { if (error) return callback(new Error(error), null); let errors = replaceDetailsInMessages(response.errors, details); let warnings = replaceDetailsInMessages(response.warnings, details); let outstanding = 1; let next = () => --outstanding === 0 && callback(null, { warnings, code: response.code, map: response.map }); if (errors.length > 0) return callback(failureErrorWithLog("Transform failed", errors, warnings), null); if (response.codeFS) { outstanding++; fs.readFile(response.code, (err, contents) => { if (err !== null) { callback(err, null); } else { response.code = contents; next(); } }); } if (response.mapFS) { outstanding++; fs.readFile(response.map, (err, contents) => { if (err !== null) { callback(err, null); } else { response.map = contents; next(); } }); } next(); }); } catch (e) { let flags = []; try { pushLogFlags(flags, options, {}, isTTY, transformLogLevelDefault); } catch (e2) { } const error = extractErrorMessageV8(e, streamIn, details, void 0, ""); sendRequest(refs, { command: "error", flags, error }, () => { error.detail = details.load(error.detail); callback(failureErrorWithLog("Transform failed", [error], []), null); }); } }; if (typeof input === "string" && input.length > 1024 * 1024) { let next = start; start = () => fs.writeFile(input, next); } start(null); }; let formatMessages2 = ({ callName, refs, messages, options, callback }) => { let result = sanitizeMessages(messages, "messages", null, ""); if (!options) throw new Error(`Missing second argument in ${callName}() call`); let keys = {}; let kind = getFlag(options, keys, "kind", mustBeString); let color = getFlag(options, keys, "color", mustBeBoolean); let terminalWidth = getFlag(options, keys, "terminalWidth", mustBeInteger); checkForInvalidFlags(options, keys, `in ${callName}() call`); if (kind === void 0) throw new Error(`Missing "kind" in ${callName}() call`); if (kind !== "error" && kind !== "warning") throw new Error(`Expected "kind" to be "error" or "warning" in ${callName}() call`); let request = { command: "format-msgs", messages: result, isWarning: kind === "warning" }; if (color !== void 0) request.color = color; if (terminalWidth !== void 0) request.terminalWidth = terminalWidth; sendRequest(refs, request, (error, response) => { if (error) return callback(new Error(error), null); callback(null, response.messages); }); }; let analyzeMetafile2 = ({ callName, refs, metafile, options, callback }) => { if (options === void 0) options = {}; let keys = {}; let color = getFlag(options, keys, "color", mustBeBoolean); let verbose = getFlag(options, keys, "verbose", mustBeBoolean); checkForInvalidFlags(options, keys, `in ${callName}() call`); let request = { command: "analyze-metafile", metafile }; if (color !== void 0) request.color = color; if (verbose !== void 0) request.verbose = verbose; sendRequest(refs, request, (error, response) => { if (error) return callback(new Error(error), null); callback(null, response.result); }); }; return { readFromStdout, afterClose, service: { buildOrServe, transform: transform2, formatMessages: formatMessages2, analyzeMetafile: analyzeMetafile2 } }; } function createObjectStash() { const map = new Map(); let nextID = 0; return { load(id) { return map.get(id); }, store(value) { if (value === void 0) return -1; const id = nextID++; map.set(id, value); return id; } }; } function extractCallerV8(e, streamIn, ident) { let note; let tried = false; return () => { if (tried) return note; tried = true; try { let lines = (e.stack + "").split("\n"); lines.splice(1, 1); let location = parseStackLinesV8(streamIn, lines, ident); if (location) { note = { text: e.message, location }; return note; } } catch (e2) { } }; } function extractErrorMessageV8(e, streamIn, stash, note, pluginName) { let text = "Internal error"; let location = null; try { text = (e && e.message || e) + ""; } catch (e2) { } try { location = parseStackLinesV8(streamIn, (e.stack + "").split("\n"), ""); } catch (e2) { } return { pluginName, text, location, notes: note ? [note] : [], detail: stash ? stash.store(e) : -1 }; } function parseStackLinesV8(streamIn, lines, ident) { let at = " at "; if (streamIn.readFileSync && !lines[0].startsWith(at) && lines[1].startsWith(at)) { for (let i = 1; i < lines.length; i++) { let line = lines[i]; if (!line.startsWith(at)) continue; line = line.slice(at.length); while (true) { let match = /^(?:new |async )?\S+ \((.*)\)$/.exec(line); if (match) { line = match[1]; continue; } match = /^eval at \S+ \((.*)\)(?:, \S+:\d+:\d+)?$/.exec(line); if (match) { line = match[1]; continue; } match = /^(\S+):(\d+):(\d+)$/.exec(line); if (match) { let contents; try { contents = streamIn.readFileSync(match[1], "utf8"); } catch (e) { break; } let lineText = contents.split(/\r\n|\r|\n|\u2028|\u2029/)[+match[2] - 1] || ""; let column = +match[3] - 1; let length = lineText.slice(column, column + ident.length) === ident ? ident.length : 0; return { file: match[1], namespace: "file", line: +match[2], column: encodeUTF8(lineText.slice(0, column)).length, length: encodeUTF8(lineText.slice(column, column + length)).length, lineText: lineText + "\n" + lines.slice(1).join("\n"), suggestion: "" }; } break; } } } return null; } function failureErrorWithLog(text, errors, warnings) { let limit = 5; let summary = errors.length < 1 ? "" : ` with ${errors.length} error${errors.length < 2 ? "" : "s"}:` + errors.slice(0, limit + 1).map((e, i) => { if (i === limit) return "\n..."; if (!e.location) return ` error: ${e.text}`; let { file, line, column } = e.location; let pluginText = e.pluginName ? `[plugin: ${e.pluginName}] ` : ""; return ` ${file}:${line}:${column}: error: ${pluginText}${e.text}`; }).join(""); let error = new Error(`${text}${summary}`); error.errors = errors; error.warnings = warnings; return error; } function replaceDetailsInMessages(messages, stash) { for (const message of messages) { message.detail = stash.load(message.detail); } return messages; } function sanitizeLocation(location, where) { if (location == null) return null; let keys = {}; let file = getFlag(location, keys, "file", mustBeString); let namespace = getFlag(location, keys, "namespace", mustBeString); let line = getFlag(location, keys, "line", mustBeInteger); let column = getFlag(location, keys, "column", mustBeInteger); let length = getFlag(location, keys, "length", mustBeInteger); let lineText = getFlag(location, keys, "lineText", mustBeString); let suggestion = getFlag(location, keys, "suggestion", mustBeString); checkForInvalidFlags(location, keys, where); return { file: file || "", namespace: namespace || "", line: line || 0, column: column || 0, length: length || 0, lineText: lineText || "", suggestion: suggestion || "" }; } function sanitizeMessages(messages, property, stash, fallbackPluginName) { let messagesClone = []; let index = 0; for (const message of messages) { let keys = {}; let pluginName = getFlag(message, keys, "pluginName", mustBeString); let text = getFlag(message, keys, "text", mustBeString); let location = getFlag(message, keys, "location", mustBeObjectOrNull); let notes = getFlag(message, keys, "notes", mustBeArray); let detail = getFlag(message, keys, "detail", canBeAnything); let where = `in element ${index} of "${property}"`; checkForInvalidFlags(message, keys, where); let notesClone = []; if (notes) { for (const note of notes) { let noteKeys = {}; let noteText = getFlag(note, noteKeys, "text", mustBeString); let noteLocation = getFlag(note, noteKeys, "location", mustBeObjectOrNull); checkForInvalidFlags(note, noteKeys, where); notesClone.push({ text: noteText || "", location: sanitizeLocation(noteLocation, where) }); } } messagesClone.push({ pluginName: pluginName || fallbackPluginName, text: text || "", location: sanitizeLocation(location, where), notes: notesClone, detail: stash ? stash.store(detail) : -1 }); index++; } return messagesClone; } function sanitizeStringArray(values, property) { const result = []; for (const value of values) { if (typeof value !== "string") throw new Error(`${JSON.stringify(property)} must be an array of strings`); result.push(value); } return result; } function convertOutputFiles({ path, contents }) { let text = null; return { path, contents, get text() { if (text === null) text = decodeUTF8(contents); return text; } }; } // lib/npm/browser.ts var version = "0.13.4"; var build = (options) => ensureServiceIsRunning().build(options); var serve = () => { throw new Error(`The "serve" API only works in node`); }; var transform = (input, options) => ensureServiceIsRunning().transform(input, options); var formatMessages = (messages, options) => ensureServiceIsRunning().formatMessages(messages, options); var analyzeMetafile = (metafile, options) => ensureServiceIsRunning().analyzeMetafile(metafile, options); var buildSync = () => { throw new Error(`The "buildSync" API only works in node`); }; var transformSync = () => { throw new Error(`The "transformSync" API only works in node`); }; var formatMessagesSync = () => { throw new Error(`The "formatMessagesSync" API only works in node`); }; var analyzeMetafileSync = () => { throw new Error(`The "analyzeMetafileSync" API only works in node`); }; var initializePromise; var longLivedService; var ensureServiceIsRunning = () => { if (longLivedService) return longLivedService; if (initializePromise) throw new Error('You need to wait for the promise returned from "initialize" to be resolved before calling this'); throw new Error('You need to call "initialize" before calling this'); }; var initialize = (options) => { options = validateInitializeOptions(options || {}); let wasmURL = options.wasmURL; let useWorker = options.worker !== false; if (!wasmURL) throw new Error('Must provide the "wasmURL" option'); wasmURL += ""; if (initializePromise) throw new Error('Cannot call "initialize" more than once'); initializePromise = startRunningService(wasmURL, useWorker); initializePromise.catch(() => { initializePromise = void 0; }); return initializePromise; }; var startRunningService = async (wasmURL, useWorker) => { let res = await fetch(wasmURL); if (!res.ok) throw new Error(`Failed to download ${JSON.stringify(wasmURL)}`); let wasm = await res.arrayBuffer(); let code = `{let global={};for(let o=self;o;o=Object.getPrototypeOf(o))for(let k of Object.getOwnPropertyNames(o))if(!(k in global))Object.defineProperty(global,k,{get:()=>self[k]});// Copyright 2018 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. (() => { // Map multiple JavaScript environments to a single common API, // preferring web standards over Node.js API. // // Environments considered: // - Browsers // - Node.js // - Electron // - Parcel // - Webpack if (typeof global !== "undefined") { // global already exists } else if (typeof window !== "undefined") { window.global = window; } else if (typeof self !== "undefined") { self.global = self; } else { throw new Error("cannot export Go (neither global, window nor self is defined)"); } if (!global.require && typeof require !== "undefined") { global.require = require; } if (!global.fs && global.require) { const fs = require("fs"); if (typeof fs === "object" && fs !== null && Object.keys(fs).length !== 0) { global.fs = Object.assign({}, fs, { // Hack around a Unicode bug in node: https://github.com/nodejs/node/issues/24550 write(fd, buf, offset, length, position, callback) { if (offset === 0 && length === buf.length && position === null) { if (fd === process.stdout.fd) { try { process.stdout.write(buf, err => err ? callback(err, 0, null) : callback(null, length, buf)); } catch (err) { callback(err, 0, null); } return; } if (fd === process.stderr.fd) { try { process.stderr.write(buf, err => err ? callback(err, 0, null) : callback(null, length, buf)); } catch (err) { callback(err, 0, null); } return; } } fs.write(fd, buf, offset, length, position, callback); }, }); } } const enosys = () => { const err = new Error("not implemented"); err.code = "ENOSYS"; return err; }; if (!global.fs) { let outputBuf = ""; global.fs = { constants: { O_WRONLY: -1, O_RDWR: -1, O_CREAT: -1, O_TRUNC: -1, O_APPEND: -1, O_EXCL: -1 }, // unused writeSync(fd, buf) { outputBuf += decoder.decode(buf); const nl = outputBuf.lastIndexOf("\\n"); if (nl != -1) { console.log(outputBuf.substr(0, nl)); outputBuf = outputBuf.substr(nl + 1); } return buf.length; }, write(fd, buf, offset, length, position, callback) { if (offset !== 0 || length !== buf.length || position !== null) { callback(enosys()); return; } const n = this.writeSync(fd, buf); callback(null, n); }, chmod(path, mode, callback) { callback(enosys()); }, chown(path, uid, gid, callback) { callback(enosys()); }, close(fd, callback) { callback(enosys()); }, fchmod(fd, mode, callback) { callback(enosys()); }, fchown(fd, uid, gid, callback) { callback(enosys()); }, fstat(fd, callback) { callback(enosys()); }, fsync(fd, callback) { callback(null); }, ftruncate(fd, length, callback) { callback(enosys()); }, lchown(path, uid, gid, callback) { callback(enosys()); }, link(path, link, callback) { callback(enosys()); }, lstat(path, callback) { callback(enosys()); }, mkdir(path, perm, callback) { callback(enosys()); }, open(path, flags, mode, callback) { callback(enosys()); }, read(fd, buffer, offset, length, position, callback) { callback(enosys()); }, readdir(path, callback) { callback(enosys()); }, readlink(path, callback) { callback(enosys()); }, rename(from, to, callback) { callback(enosys()); }, rmdir(path, callback) { callback(enosys()); }, stat(path, callback) { callback(enosys()); }, symlink(path, link, callback) { callback(enosys()); }, truncate(path, length, callback) { callback(enosys()); }, unlink(path, callback) { callback(enosys()); }, utimes(path, atime, mtime, callback) { callback(enosys()); }, }; } if (!global.process) { global.process = { getuid() { return -1; }, getgid() { return -1; }, geteuid() { return -1; }, getegid() { return -1; }, getgroups() { throw enosys(); }, pid: -1, ppid: -1, umask() { throw enosys(); }, cwd() { throw enosys(); }, chdir() { throw enosys(); }, } } if (!global.crypto && global.require) { const nodeCrypto = require("crypto"); global.crypto = { getRandomValues(b) { nodeCrypto.randomFillSync(b); }, }; } if (!global.crypto) { throw new Error("global.crypto is not available, polyfill required (getRandomValues only)"); } if (!global.performance) { global.performance = { now() { const [sec, nsec] = process.hrtime(); return sec * 1000 + nsec / 1000000; }, }; } if (!global.TextEncoder && global.require) { global.TextEncoder = require("util").TextEncoder; } if (!global.TextEncoder) { throw new Error("global.TextEncoder is not available, polyfill required"); } if (!global.TextDecoder && global.require) { global.TextDecoder = require("util").TextDecoder; } if (!global.TextDecoder) { throw new Error("global.TextDecoder is not available, polyfill required"); } // End of polyfills for common API. const encoder = new TextEncoder("utf-8"); const decoder = new TextDecoder("utf-8"); global.Go = class { constructor() { this.argv = ["js"]; this.env = {}; this.exit = (code) => { if (code !== 0) { console.warn("exit code:", code); } }; this._exitPromise = new Promise((resolve) => { this._resolveExitPromise = resolve; }); this._pendingEvent = null; this._scheduledTimeouts = new Map(); this._nextCallbackTimeoutID = 1; const setInt64 = (addr, v) => { this.mem.setUint32(addr + 0, v, true); this.mem.setUint32(addr + 4, Math.floor(v / 4294967296), true); } const getInt64 = (addr) => { const low = this.mem.getUint32(addr + 0, true); const high = this.mem.getInt32(addr + 4, true); return low + high * 4294967296; } const loadValue = (addr) => { const f = this.mem.getFloat64(addr, true); if (f === 0) { return undefined; } if (!isNaN(f)) { return f; } const id = this.mem.getUint32(addr, true); return this._values[id]; } const storeValue = (addr, v) => { const nanHead = 0x7FF80000; if (typeof v === "number" && v !== 0) { if (isNaN(v)) { this.mem.setUint32(addr + 4, nanHead, true); this.mem.setUint32(addr, 0, true); return; } this.mem.setFloat64(addr, v, true); return; } if (v === undefined) { this.mem.setFloat64(addr, 0, true); return; } let id = this._ids.get(v); if (id === undefined) { id = this._idPool.pop(); if (id === undefined) { id = this._values.length; } this._values[id] = v; this._goRefCounts[id] = 0; this._ids.set(v, id); } this._goRefCounts[id]++; let typeFlag = 0; switch (typeof v) { case "object": if (v !== null) { typeFlag = 1; } break; case "string": typeFlag = 2; break; case "symbol": typeFlag = 3; break; case "function": typeFlag = 4; break; } this.mem.setUint32(addr + 4, nanHead | typeFlag, true); this.mem.setUint32(addr, id, true); } const loadSlice = (addr) => { const array = getInt64(addr + 0); const len = getInt64(addr + 8); return new Uint8Array(this._inst.exports.mem.buffer, array, len); } const loadSliceOfValues = (addr) => { const array = getInt64(addr + 0); const len = getInt64(addr + 8); const a = new Array(len); for (let i = 0; i < len; i++) { a[i] = loadValue(array + i * 8); } return a; } const loadString = (addr) => { const saddr = getInt64(addr + 0); const len = getInt64(addr + 8); return decoder.decode(new DataView(this._inst.exports.mem.buffer, saddr, len)); } const timeOrigin = Date.now() - performance.now(); this.importObject = { go: { // Go's SP does not change as long as no Go code is running. Some operations (e.g. calls, getters and setters) // may synchronously trigger a Go event handler. This makes Go code get executed in the middle of the imported // function. A goroutine can switch to a new stack if the current stack is too small (see morestack function). // This changes the SP, thus we have to update the SP used by the imported function. // func wasmExit(code int32) "runtime.wasmExit": (sp) => { sp >>>= 0; const code = this.mem.getInt32(sp + 8, true); this.exited = true; delete this._inst; delete this._values; delete this._goRefCounts; delete this._ids; delete this._idPool; this.exit(code); }, // func wasmWrite(fd uintptr, p unsafe.Pointer, n int32) "runtime.wasmWrite": (sp) => { sp >>>= 0; const fd = getInt64(sp + 8); const p = getInt64(sp + 16); const n = this.mem.getInt32(sp + 24, true); fs.writeSync(fd, new Uint8Array(this._inst.exports.mem.buffer, p, n)); }, // func resetMemoryDataView() "runtime.resetMemoryDataView": (sp) => { sp >>>= 0; this.mem = new DataView(this._inst.exports.mem.buffer); }, // func nanotime1() int64 "runtime.nanotime1": (sp) => { sp >>>= 0; setInt64(sp + 8, (timeOrigin + performance.now()) * 1000000); }, // func walltime() (sec int64, nsec int32) "runtime.walltime": (sp) => { sp >>>= 0; const msec = (new Date).getTime(); setInt64(sp + 8, msec / 1000); this.mem.setInt32(sp + 16, (msec % 1000) * 1000000, true); }, // func scheduleTimeoutEvent(delay int64) int32 "runtime.scheduleTimeoutEvent": (sp) => { sp >>>= 0; const id = this._nextCallbackTimeoutID; this._nextCallbackTimeoutID++; this._scheduledTimeouts.set(id, setTimeout( () => { this._resume(); while (this._scheduledTimeouts.has(id)) { // for some reason Go failed to register the timeout event, log and try again // (temporary workaround for https://github.com/golang/go/issues/28975) console.warn("scheduleTimeoutEvent: missed timeout event"); this._resume(); } }, getInt64(sp + 8) + 1, // setTimeout has been seen to fire up to 1 millisecond early )); this.mem.setInt32(sp + 16, id, true); }, // func clearTimeoutEvent(id int32) "runtime.clearTimeoutEvent": (sp) => { sp >>>= 0; const id = this.mem.getInt32(sp + 8, true); clearTimeout(this._scheduledTimeouts.get(id)); this._scheduledTimeouts.delete(id); }, // func getRandomData(r []byte) "runtime.getRandomData": (sp) => { sp >>>= 0; crypto.getRandomValues(loadSlice(sp + 8)); }, // func finalizeRef(v ref) "syscall/js.finalizeRef": (sp) => { sp >>>= 0; const id = this.mem.getUint32(sp + 8, true); this._goRefCounts[id]--; if (this._goRefCounts[id] === 0) { const v = this._values[id]; this._values[id] = null; this._ids.delete(v); this._idPool.push(id); } }, // func stringVal(value string) ref "syscall/js.stringVal": (sp) => { sp >>>= 0; storeValue(sp + 24, loadString(sp + 8)); }, // func valueGet(v ref, p string) ref "syscall/js.valueGet": (sp) => { sp >>>= 0; const result = Reflect.get(loadValue(sp + 8), loadString(sp + 16)); sp = this._inst.exports.getsp() >>> 0; // see comment above storeValue(sp + 32, result); }, // func valueSet(v ref, p string, x ref) "syscall/js.valueSet": (sp) => { sp >>>= 0; Reflect.set(loadValue(sp + 8), loadString(sp + 16), loadValue(sp + 32)); }, // func valueDelete(v ref, p string) "syscall/js.valueDelete": (sp) => { sp >>>= 0; Reflect.deleteProperty(loadValue(sp + 8), loadString(sp + 16)); }, // func valueIndex(v ref, i int) ref "syscall/js.valueIndex": (sp) => { sp >>>= 0; storeValue(sp + 24, Reflect.get(loadValue(sp + 8), getInt64(sp + 16))); }, // valueSetIndex(v ref, i int, x ref) "syscall/js.valueSetIndex": (sp) => { sp >>>= 0; Reflect.set(loadValue(sp + 8), getInt64(sp + 16), loadValue(sp + 24)); }, // func valueCall(v ref, m string, args []ref) (ref, bool) "syscall/js.valueCall": (sp) => { sp >>>= 0; try { const v = loadValue(sp + 8); const m = Reflect.get(v, loadString(sp + 16)); const args = loadSliceOfValues(sp + 32); const result = Reflect.apply(m, v, args); sp = this._inst.exports.getsp() >>> 0; // see comment above storeValue(sp + 56, result); this.mem.setUint8(sp + 64, 1); } catch (err) { sp = this._inst.exports.getsp() >>> 0; // see comment above storeValue(sp + 56, err); this.mem.setUint8(sp + 64, 0); } }, // func valueInvoke(v ref, args []ref) (ref, bool) "syscall/js.valueInvoke": (sp) => { sp >>>= 0; try { const v = loadValue(sp + 8); const args = loadSliceOfValues(sp + 16); const result = Reflect.apply(v, undefined, args); sp = this._inst.exports.getsp() >>> 0; // see comment above storeValue(sp + 40, result); this.mem.setUint8(sp + 48, 1); } catch (err) { sp = this._inst.exports.getsp() >>> 0; // see comment above storeValue(sp + 40, err); this.mem.setUint8(sp + 48, 0); } }, // func valueNew(v ref, args []ref) (ref, bool) "syscall/js.valueNew": (sp) => { sp >>>= 0; try { const v = loadValue(sp + 8); const args = loadSliceOfValues(sp + 16); const result = Reflect.construct(v, args); sp = this._inst.exports.getsp() >>> 0; // see comment above storeValue(sp + 40, result); this.mem.setUint8(sp + 48, 1); } catch (err) { sp = this._inst.exports.getsp() >>> 0; // see comment above storeValue(sp + 40, err); this.mem.setUint8(sp + 48, 0); } }, // func valueLength(v ref) int "syscall/js.valueLength": (sp) => { sp >>>= 0; setInt64(sp + 16, parseInt(loadValue(sp + 8).length)); }, // valuePrepareString(v ref) (ref, int) "syscall/js.valuePrepareString": (sp) => { sp >>>= 0; const str = encoder.encode(String(loadValue(sp + 8))); storeValue(sp + 16, str); setInt64(sp + 24, str.length); }, // valueLoadString(v ref, b []byte) "syscall/js.valueLoadString": (sp) => { sp >>>= 0; const str = loadValue(sp + 8); loadSlice(sp + 16).set(str); }, // func valueInstanceOf(v ref, t ref) bool "syscall/js.valueInstanceOf": (sp) => { sp >>>= 0; this.mem.setUint8(sp + 24, (loadValue(sp + 8) instanceof loadValue(sp + 16)) ? 1 : 0); }, // func copyBytesToGo(dst []byte, src ref) (int, bool) "syscall/js.copyBytesToGo": (sp) => { sp >>>= 0; const dst = loadSlice(sp + 8); const src = loadValue(sp + 32); if (!(src instanceof Uint8Array || src instanceof Uint8ClampedArray)) { this.mem.setUint8(sp + 48, 0); return; } const toCopy = src.subarray(0, dst.length); dst.set(toCopy); setInt64(sp + 40, toCopy.length); this.mem.setUint8(sp + 48, 1); }, // func copyBytesToJS(dst ref, src []byte) (int, bool) "syscall/js.copyBytesToJS": (sp) => { sp >>>= 0; const dst = loadValue(sp + 8); const src = loadSlice(sp + 16); if (!(dst instanceof Uint8Array || dst instanceof Uint8ClampedArray)) { this.mem.setUint8(sp + 48, 0); return; } const toCopy = src.subarray(0, dst.length); dst.set(toCopy); setInt64(sp + 40, toCopy.length); this.mem.setUint8(sp + 48, 1); }, "debug": (value) => { console.log(value); }, } }; } async run(instance) { if (!(instance instanceof WebAssembly.Instance)) { throw new Error("Go.run: WebAssembly.Instance expected"); } this._inst = instance; this.mem = new DataView(this._inst.exports.mem.buffer); this._values = [ // JS values that Go currently has references to, indexed by reference id NaN, 0, null, true, false, global, this, ]; this._goRefCounts = new Array(this._values.length).fill(Infinity); // number of references that Go has to a JS value, indexed by reference id this._ids = new Map([ // mapping from JS values to reference ids [0, 1], [null, 2], [true, 3], [false, 4], [global, 5], [this, 6], ]); this._idPool = []; // unused ids that have been garbage collected this.exited = false; // whether the Go program has exited // Pass command line arguments and environment variables to WebAssembly by writing them to the linear memory. let offset = 4096; const strPtr = (str) => { const ptr = offset; const bytes = encoder.encode(str + "\\0"); new Uint8Array(this.mem.buffer, offset, bytes.length).set(bytes); offset += bytes.length; if (offset % 8 !== 0) { offset += 8 - (offset % 8); } return ptr; }; const argc = this.argv.length; const argvPtrs = []; this.argv.forEach((arg) => { argvPtrs.push(strPtr(arg)); }); argvPtrs.push(0); const keys = Object.keys(this.env).sort(); keys.forEach((key) => { argvPtrs.push(strPtr(\`\${key}=\${this.env[key]}\`)); }); argvPtrs.push(0); const argv = offset; argvPtrs.forEach((ptr) => { this.mem.setUint32(offset, ptr, true); this.mem.setUint32(offset + 4, 0, true); offset += 8; }); this._inst.exports.run(argc, argv); if (this.exited) { this._resolveExitPromise(); } await this._exitPromise; } _resume() { if (this.exited) { throw new Error("Go program has already exited"); } this._inst.exports.resume(); if (this.exited) { this._resolveExitPromise(); } } _makeFuncWrapper(id) { const go = this; return function () { const event = { id: id, this: this, args: arguments }; go._pendingEvent = event; go._resume(); return event.result; }; } } if ( typeof module !== "undefined" && global.require && global.require.main === module && global.process && global.process.versions && !global.process.versions.electron ) { if (process.argv.length < 3) { console.error("usage: go_js_wasm_exec [wasm binary] [arguments]"); process.exit(1); } const go = new Go(); go.argv = process.argv.slice(2); go.env = Object.assign({ TMPDIR: require("os").tmpdir() }, process.env); go.exit = process.exit; WebAssembly.instantiate(fs.readFileSync(process.argv[2]), go.importObject).then((result) => { process.on("exit", (code) => { // Node.js exits if no event handler is pending if (code === 0 && !go.exited) { // deadlock, make Go print error and stack traces go._pendingEvent = { id: 0 }; go._resume(); } }); return go.run(result.instance); }).catch((err) => { console.error(err); process.exit(1); }); } })(); onmessage = ({ data: wasm }) => { let decoder = new TextDecoder(); let fs = global.fs; let stderr = ""; fs.writeSync = (fd, buffer) => { if (fd === 1) { postMessage(buffer); } else if (fd === 2) { stderr += decoder.decode(buffer); let parts = stderr.split("\\n"); if (parts.length > 1) console.log(parts.slice(0, -1).join("\\n")); stderr = parts[parts.length - 1]; } else { throw new Error("Bad write"); } return buffer.length; }; let stdin = []; let resumeStdin; let stdinPos = 0; onmessage = ({ data }) => { if (data.length > 0) { stdin.push(data); if (resumeStdin) resumeStdin(); } }; fs.read = (fd, buffer, offset, length, position, callback) => { if (fd !== 0 || offset !== 0 || length !== buffer.length || position !== null) { throw new Error("Bad read"); } if (stdin.length === 0) { resumeStdin = () => fs.read(fd, buffer, offset, length, position, callback); return; } let first = stdin[0]; let count = Math.max(0, Math.min(length, first.length - stdinPos)); buffer.set(first.subarray(stdinPos, stdinPos + count), offset); stdinPos += count; if (stdinPos === first.length) { stdin.shift(); stdinPos = 0; } callback(null, count); }; let go = new global.Go(); go.argv = ["", \`--service=\${"0.13.4"}\`]; WebAssembly.instantiate(wasm, go.importObject).then(({ instance }) => go.run(instance)); };}`; let worker; if (useWorker) { let blob = new Blob([code], { type: "text/javascript" }); worker = new Worker(URL.createObjectURL(blob)); } else { let fn = new Function("postMessage", code + `var onmessage; return m => onmessage(m)`); let onmessage = fn((data) => worker.onmessage({ data })); worker = { onmessage: null, postMessage: (data) => onmessage({ data }), terminate() { } }; } worker.postMessage(wasm); worker.onmessage = ({ data }) => readFromStdout(data); let { readFromStdout, service } = createChannel({ writeToStdin(bytes) { worker.postMessage(bytes); }, isSync: false, isBrowser: true }); longLivedService = { build: (options) => new Promise((resolve, reject) => service.buildOrServe({ callName: "build", refs: null, serveOptions: null, options, isTTY: false, defaultWD: "/", callback: (err, res2) => err ? reject(err) : resolve(res2) })), transform: (input, options) => new Promise((resolve, reject) => service.transform({ callName: "transform", refs: null, input, options: options || {}, isTTY: false, fs: { readFile(_, callback) { callback(new Error("Internal error"), null); }, writeFile(_, callback) { callback(null); } }, callback: (err, res2) => err ? reject(err) : resolve(res2) })), formatMessages: (messages, options) => new Promise((resolve, reject) => service.formatMessages({ callName: "formatMessages", refs: null, messages, options, callback: (err, res2) => err ? reject(err) : resolve(res2) })), analyzeMetafile: (metafile, options) => new Promise((resolve, reject) => service.analyzeMetafile({ callName: "analyzeMetafile", refs: null, metafile: typeof metafile === "string" ? metafile : JSON.stringify(metafile), options, callback: (err, res2) => err ? reject(err) : resolve(res2) })) }; }; export { analyzeMetafile, analyzeMetafileSync, build, buildSync, formatMessages, formatMessagesSync, initialize, serve, transform, transformSync, version };