Update dither dep #30
@ -1,66 +1,26 @@
|
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/* eslint-disable no-undef */
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/* eslint-disable no-restricted-globals */
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// Copyright 2018 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
|
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// license that can be found in the LICENSE file.
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"use strict";
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(() => {
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// Map multiple JavaScript environments to a single common API,
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// preferring web standards over Node.js API.
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//
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// Environments considered:
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// - Browsers
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// - Node.js
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// - Electron
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// - Parcel
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// - Webpack
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if (typeof global !== "undefined") {
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// global already exists
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} else if (typeof window !== "undefined") {
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window.global = window;
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} else if (typeof self !== "undefined") {
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self.global = self;
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} else {
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throw new Error(
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"cannot export Go (neither global, window nor self is defined)"
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);
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}
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if (!global.require && typeof require !== "undefined") {
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global.require = require;
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}
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if (!global.fs && global.require) {
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const fs = require("fs");
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if (typeof fs === "object" && fs !== null && Object.keys(fs).length !== 0) {
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global.fs = fs;
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}
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}
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const enosys = () => {
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const err = new Error("not implemented");
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err.code = "ENOSYS";
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return err;
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};
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if (!global.fs) {
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if (!globalThis.fs) {
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let outputBuf = "";
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global.fs = {
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constants: {
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O_WRONLY: -1,
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O_RDWR: -1,
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O_CREAT: -1,
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O_TRUNC: -1,
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O_APPEND: -1,
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O_EXCL: -1,
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}, // unused
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globalThis.fs = {
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constants: { O_WRONLY: -1, O_RDWR: -1, O_CREAT: -1, O_TRUNC: -1, O_APPEND: -1, O_EXCL: -1 }, // unused
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writeSync(fd, buf) {
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outputBuf += decoder.decode(buf);
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const nl = outputBuf.lastIndexOf("\n");
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if (nl != -1) {
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console.log(outputBuf.substr(0, nl));
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outputBuf = outputBuf.substr(nl + 1);
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console.log(outputBuf.substring(0, nl));
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outputBuf = outputBuf.substring(nl + 1);
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}
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return buf.length;
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},
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@ -72,152 +32,67 @@
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const n = this.writeSync(fd, buf);
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callback(null, n);
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},
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chmod(path, mode, callback) {
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callback(enosys());
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},
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chown(path, uid, gid, callback) {
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callback(enosys());
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},
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close(fd, callback) {
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callback(enosys());
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},
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fchmod(fd, mode, callback) {
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callback(enosys());
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},
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fchown(fd, uid, gid, callback) {
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callback(enosys());
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},
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fstat(fd, callback) {
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callback(enosys());
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},
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fsync(fd, callback) {
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callback(null);
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},
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ftruncate(fd, length, callback) {
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callback(enosys());
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},
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lchown(path, uid, gid, callback) {
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callback(enosys());
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},
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link(path, link, callback) {
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callback(enosys());
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},
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lstat(path, callback) {
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callback(enosys());
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},
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mkdir(path, perm, callback) {
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callback(enosys());
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},
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open(path, flags, mode, callback) {
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callback(enosys());
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},
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read(fd, buffer, offset, length, position, callback) {
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callback(enosys());
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},
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readdir(path, callback) {
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callback(enosys());
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},
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readlink(path, callback) {
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callback(enosys());
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},
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rename(from, to, callback) {
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callback(enosys());
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},
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rmdir(path, callback) {
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callback(enosys());
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},
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stat(path, callback) {
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callback(enosys());
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},
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symlink(path, link, callback) {
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callback(enosys());
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},
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truncate(path, length, callback) {
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callback(enosys());
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},
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unlink(path, callback) {
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callback(enosys());
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},
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utimes(path, atime, mtime, callback) {
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callback(enosys());
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},
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chmod(path, mode, callback) { callback(enosys()); },
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chown(path, uid, gid, callback) { callback(enosys()); },
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close(fd, callback) { callback(enosys()); },
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fchmod(fd, mode, callback) { callback(enosys()); },
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fchown(fd, uid, gid, callback) { callback(enosys()); },
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fstat(fd, callback) { callback(enosys()); },
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fsync(fd, callback) { callback(null); },
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ftruncate(fd, length, callback) { callback(enosys()); },
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lchown(path, uid, gid, callback) { callback(enosys()); },
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link(path, link, callback) { callback(enosys()); },
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lstat(path, callback) { callback(enosys()); },
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mkdir(path, perm, callback) { callback(enosys()); },
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open(path, flags, mode, callback) { callback(enosys()); },
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read(fd, buffer, offset, length, position, callback) { callback(enosys()); },
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readdir(path, callback) { callback(enosys()); },
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readlink(path, callback) { callback(enosys()); },
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rename(from, to, callback) { callback(enosys()); },
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rmdir(path, callback) { callback(enosys()); },
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stat(path, callback) { callback(enosys()); },
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symlink(path, link, callback) { callback(enosys()); },
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truncate(path, length, callback) { callback(enosys()); },
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unlink(path, callback) { callback(enosys()); },
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utimes(path, atime, mtime, callback) { callback(enosys()); },
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};
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}
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if (!global.process) {
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global.process = {
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getuid() {
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return -1;
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},
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getgid() {
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return -1;
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},
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geteuid() {
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return -1;
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},
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getegid() {
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return -1;
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},
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getgroups() {
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throw enosys();
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},
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if (!globalThis.process) {
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globalThis.process = {
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getuid() { return -1; },
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getgid() { return -1; },
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geteuid() { return -1; },
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getegid() { return -1; },
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getgroups() { throw enosys(); },
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pid: -1,
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ppid: -1,
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umask() {
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throw enosys();
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},
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cwd() {
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throw enosys();
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},
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chdir() {
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throw enosys();
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},
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};
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umask() { throw enosys(); },
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cwd() { throw enosys(); },
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chdir() { throw enosys(); },
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}
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}
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if (!global.crypto && global.require) {
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const nodeCrypto = require("crypto");
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global.crypto = {
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getRandomValues(b) {
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nodeCrypto.randomFillSync(b);
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},
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};
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}
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if (!global.crypto) {
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throw new Error(
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"global.crypto is not available, polyfill required (getRandomValues only)"
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);
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if (!globalThis.crypto) {
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throw new Error("globalThis.crypto is not available, polyfill required (crypto.getRandomValues only)");
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}
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if (!global.performance) {
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global.performance = {
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now() {
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const [sec, nsec] = process.hrtime();
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return sec * 1000 + nsec / 1000000;
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},
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};
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if (!globalThis.performance) {
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throw new Error("globalThis.performance is not available, polyfill required (performance.now only)");
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}
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if (!global.TextEncoder && global.require) {
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global.TextEncoder = require("util").TextEncoder;
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}
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if (!global.TextEncoder) {
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throw new Error("global.TextEncoder is not available, polyfill required");
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if (!globalThis.TextEncoder) {
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throw new Error("globalThis.TextEncoder is not available, polyfill required");
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}
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if (!global.TextDecoder && global.require) {
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global.TextDecoder = require("util").TextDecoder;
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if (!globalThis.TextDecoder) {
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throw new Error("globalThis.TextDecoder is not available, polyfill required");
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}
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if (!global.TextDecoder) {
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throw new Error("global.TextDecoder is not available, polyfill required");
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}
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// End of polyfills for common API.
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const encoder = new TextEncoder("utf-8");
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const decoder = new TextDecoder("utf-8");
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global.Go = class {
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globalThis.Go = class {
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constructor() {
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this.argv = ["js"];
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this.env = {};
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@ -236,13 +111,17 @@
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const setInt64 = (addr, v) => {
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this.mem.setUint32(addr + 0, v, true);
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this.mem.setUint32(addr + 4, Math.floor(v / 4294967296), true);
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};
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}
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const setInt32 = (addr, v) => {
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this.mem.setUint32(addr + 0, v, true);
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}
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const getInt64 = (addr) => {
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const low = this.mem.getUint32(addr + 0, true);
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const high = this.mem.getInt32(addr + 4, true);
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return low + high * 4294967296;
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};
|
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}
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|
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const loadValue = (addr) => {
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const f = this.mem.getFloat64(addr, true);
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@ -255,10 +134,10 @@
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const id = this.mem.getUint32(addr, true);
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return this._values[id];
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};
|
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}
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const storeValue = (addr, v) => {
|
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const nanHead = 0x7ff80000;
|
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const nanHead = 0x7FF80000;
|
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|
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if (typeof v === "number" && v !== 0) {
|
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if (isNaN(v)) {
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@ -305,13 +184,13 @@
|
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}
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this.mem.setUint32(addr + 4, nanHead | typeFlag, true);
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this.mem.setUint32(addr, id, true);
|
||||
};
|
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}
|
||||
|
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const loadSlice = (addr) => {
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const array = getInt64(addr + 0);
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const len = getInt64(addr + 8);
|
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return new Uint8Array(this._inst.exports.mem.buffer, array, len);
|
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};
|
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}
|
||||
|
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const loadSliceOfValues = (addr) => {
|
||||
const array = getInt64(addr + 0);
|
||||
@ -321,19 +200,20 @@
|
||||
a[i] = loadValue(array + i * 8);
|
||||
}
|
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return a;
|
||||
};
|
||||
}
|
||||
|
||||
const loadString = (addr) => {
|
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const saddr = getInt64(addr + 0);
|
||||
const len = getInt64(addr + 8);
|
||||
return decoder.decode(
|
||||
new DataView(this._inst.exports.mem.buffer, saddr, len)
|
||||
);
|
||||
};
|
||||
return decoder.decode(new DataView(this._inst.exports.mem.buffer, saddr, len));
|
||||
}
|
||||
|
||||
const timeOrigin = Date.now() - performance.now();
|
||||
this.importObject = {
|
||||
go: {
|
||||
_gotest: {
|
||||
add: (a, b) => a + b,
|
||||
},
|
||||
gojs: {
|
||||
// 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).
|
||||
@ -358,10 +238,7 @@
|
||||
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)
|
||||
);
|
||||
fs.writeSync(fd, new Uint8Array(this._inst.exports.mem.buffer, p, n));
|
||||
},
|
||||
|
||||
// func resetMemoryDataView()
|
||||
@ -379,7 +256,7 @@
|
||||
// func walltime() (sec int64, nsec int32)
|
||||
"runtime.walltime": (sp) => {
|
||||
sp >>>= 0;
|
||||
const msec = new Date().getTime();
|
||||
const msec = (new Date).getTime();
|
||||
setInt64(sp + 8, msec / 1000);
|
||||
this.mem.setInt32(sp + 16, (msec % 1000) * 1000000, true);
|
||||
},
|
||||
@ -389,9 +266,7 @@
|
||||
sp >>>= 0;
|
||||
const id = this._nextCallbackTimeoutID;
|
||||
this._nextCallbackTimeoutID++;
|
||||
this._scheduledTimeouts.set(
|
||||
id,
|
||||
setTimeout(
|
||||
this._scheduledTimeouts.set(id, setTimeout(
|
||||
() => {
|
||||
this._resume();
|
||||
while (this._scheduledTimeouts.has(id)) {
|
||||
@ -401,9 +276,8 @@
|
||||
this._resume();
|
||||
}
|
||||
},
|
||||
getInt64(sp + 8) + 1 // setTimeout has been seen to fire up to 1 millisecond early
|
||||
)
|
||||
);
|
||||
getInt64(sp + 8),
|
||||
));
|
||||
this.mem.setInt32(sp + 16, id, true);
|
||||
},
|
||||
|
||||
@ -451,11 +325,7 @@
|
||||
// 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)
|
||||
);
|
||||
Reflect.set(loadValue(sp + 8), loadString(sp + 16), loadValue(sp + 32));
|
||||
},
|
||||
|
||||
// func valueDelete(v ref, p string)
|
||||
@ -467,20 +337,13 @@
|
||||
// func valueIndex(v ref, i int) ref
|
||||
"syscall/js.valueIndex": (sp) => {
|
||||
sp >>>= 0;
|
||||
storeValue(
|
||||
sp + 24,
|
||||
Reflect.get(loadValue(sp + 8), getInt64(sp + 16))
|
||||
);
|
||||
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)
|
||||
);
|
||||
Reflect.set(loadValue(sp + 8), getInt64(sp + 16), loadValue(sp + 24));
|
||||
},
|
||||
|
||||
// func valueCall(v ref, m string, args []ref) (ref, bool)
|
||||
@ -559,10 +422,7 @@
|
||||
// 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
|
||||
);
|
||||
this.mem.setUint8(sp + 24, (loadValue(sp + 8) instanceof loadValue(sp + 16)) ? 1 : 0);
|
||||
},
|
||||
|
||||
// func copyBytesToGo(dst []byte, src ref) (int, bool)
|
||||
@ -570,9 +430,7 @@
|
||||
sp >>>= 0;
|
||||
const dst = loadSlice(sp + 8);
|
||||
const src = loadValue(sp + 32);
|
||||
if (
|
||||
!(src instanceof Uint8Array || src instanceof Uint8ClampedArray)
|
||||
) {
|
||||
if (!(src instanceof Uint8Array || src instanceof Uint8ClampedArray)) {
|
||||
this.mem.setUint8(sp + 48, 0);
|
||||
return;
|
||||
}
|
||||
@ -587,9 +445,7 @@
|
||||
sp >>>= 0;
|
||||
const dst = loadValue(sp + 8);
|
||||
const src = loadSlice(sp + 16);
|
||||
if (
|
||||
!(dst instanceof Uint8Array || dst instanceof Uint8ClampedArray)
|
||||
) {
|
||||
if (!(dst instanceof Uint8Array || dst instanceof Uint8ClampedArray)) {
|
||||
this.mem.setUint8(sp + 48, 0);
|
||||
return;
|
||||
}
|
||||
@ -599,10 +455,10 @@
|
||||
this.mem.setUint8(sp + 48, 1);
|
||||
},
|
||||
|
||||
debug: (value) => {
|
||||
"debug": (value) => {
|
||||
console.log(value);
|
||||
},
|
||||
},
|
||||
}
|
||||
};
|
||||
}
|
||||
|
||||
@ -612,24 +468,22 @@
|
||||
}
|
||||
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
|
||||
this._values = [ // JS values that Go currently has references to, indexed by reference id
|
||||
NaN,
|
||||
0,
|
||||
null,
|
||||
true,
|
||||
false,
|
||||
global,
|
||||
globalThis,
|
||||
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
|
||||
this._ids = new Map([ // mapping from JS values to reference ids
|
||||
[0, 1],
|
||||
[null, 2],
|
||||
[true, 3],
|
||||
[false, 4],
|
||||
[global, 5],
|
||||
[globalThis, 5],
|
||||
[this, 6],
|
||||
]);
|
||||
this._idPool = []; // unused ids that have been garbage collected
|
||||
@ -674,9 +528,7 @@
|
||||
// Keep in sync with cmd/link/internal/ld/data.go:wasmMinDataAddr.
|
||||
const wasmMinDataAddr = 4096 + 8192;
|
||||
if (offset >= wasmMinDataAddr) {
|
||||
throw new Error(
|
||||
"total length of command line and environment variables exceeds limit"
|
||||
);
|
||||
throw new Error("total length of command line and environment variables exceeds limit");
|
||||
}
|
||||
|
||||
this._inst.exports.run(argc, argv);
|
||||
@ -705,40 +557,5 @@
|
||||
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);
|
||||
});
|
||||
}
|
||||
})();
|
||||
|
@ -1,5 +1,5 @@
|
||||
module github.com/CrispyBaguette/wasm-palette-converter
|
||||
|
||||
go 1.17
|
||||
go 1.21
|
||||
|
||||
require github.com/makeworld-the-better-one/dither/v2 v2.2.0
|
||||
require github.com/makeworld-the-better-one/dither/v2 v2.4.0
|
||||
|
@ -2,6 +2,8 @@ github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8
|
||||
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
|
||||
github.com/makeworld-the-better-one/dither/v2 v2.2.0 h1:VTMAiyyO1YIO07fZwuLNZZasJgKUmvsIA48ze3ALHPQ=
|
||||
github.com/makeworld-the-better-one/dither/v2 v2.2.0/go.mod h1:VBtN8DXO7SNtyGmLiGA7IsFeKrBkQPze1/iAeM95arc=
|
||||
github.com/makeworld-the-better-one/dither/v2 v2.4.0 h1:Az/dYXiTcwcRSe59Hzw4RI1rSnAZns+1msaCXetrMFE=
|
||||
github.com/makeworld-the-better-one/dither/v2 v2.4.0/go.mod h1:VBtN8DXO7SNtyGmLiGA7IsFeKrBkQPze1/iAeM95arc=
|
||||
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
|
||||
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
|
||||
github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
|
||||
|
Loading…
Reference in New Issue
Block a user