setup esbuild for demo + library code

This commit is contained in:
Starbeamrainbowlabs 2024-12-13 23:02:45 +00:00
parent 90bd228b3c
commit 79d1c2271d
Signed by: sbrl
GPG key ID: 1BE5172E637709C2
8 changed files with 762 additions and 5 deletions

2
.gitignore vendored
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@ -1,4 +1,4 @@
_dist
src/wasm/bin
# Created by https://www.toptal.com/developers/gitignore/api/git,node,c,c++

461
package-lock.json generated
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@ -7,7 +7,466 @@
"": {
"name": "osfs-wasm",
"version": "1.0.0",
"license": "MPL-2.0"
"license": "MPL-2.0",
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}
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@ -5,7 +5,7 @@
"main": "src/index.mjs",
"scripts": {
"test": "echo \"No tests have been implemented yet\"",
"build": "src/wasm/compile-wasm.sh"
"build": "src/wasm/compile-wasm.sh && ./src/esbuild.mjs"
},
"repository": {
"type": "git",
@ -18,5 +18,9 @@
"bindings"
],
"author": "Starbeamrainbowlabs <feedback@starbeamrainbowlabs.com>",
"license": "MPL-2.0"
"license": "MPL-2.0",
"devDependencies": {
"esbuild": "^0.24.0",
"esbuild-copy-files-plugin": "^1.2.1"
}
}

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src/demo.html Normal file
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@ -0,0 +1,13 @@
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>OSFS WASM test</title>
</head>
<body>
content here
<!---------------->
</body>
</html>

70
src/esbuild.mjs Executable file
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@ -0,0 +1,70 @@
#!/usr/bin/env node
"use strict";
import crypto from 'crypto';
import path from 'path';
import fs from 'fs';
import esbuild from 'esbuild';
import copy_files from 'esbuild-copy-files-plugin';
import log from './lib/io/NamespacedLog.mjs'; const l = log("esbuild");
const __dirname = import.meta.url.slice(7, import.meta.url.lastIndexOf("/"));
const outdir = path.resolve(__dirname, "./_dist");
function make_context() {
return {
entryPoints: [
"./index.mjs",
// "./index.css",
].map(filepath => path.resolve(__dirname, filepath)),
outdir,
bundle: true,
minify: typeof process.env.NO_MINIFY === "undefined",
sourcemap: true,
treeShaking: true,
loader: {
".html": "text",
},
external: ["fs", "path"],
plugins: [
copy_files({
source: [
"src/demo.html"
],
target: outdir,
copyWithFolder: true
}),
{
name: "print",
setup(build) {
build.onEnd(_result => {
console.log(`${new Date().toISOString()} | Build complete`);
})
}
}
]
};
}
(async () => {
"use strict";
switch (process.env.ES_MODE ?? "build") {
case "build":
const result = await esbuild.build(make_context());
if (result.errors.length > 0 || result.warnings.length > 0)
l.error(result);
break;
case "watch":
const ctx = await esbuild.context(make_context());
await ctx.watch();
l.log(`>>> Watching for changes`);
break;
}
// l.log(await esbuild.analyzeMetafile(result.metafile));
})();

88
src/lib/io/Ansi.mjs Normal file
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@ -0,0 +1,88 @@
"use strict";
/**
* Generates various VT100 ANSI escape sequences.
* Ported from C#.
* @licence MPL-2.0 <https://www.mozilla.org/en-US/MPL/2.0/>
* @source https://gist.github.com/a4edd3204a03f4eedb79785751efb0f3#file-ansi-cs
* @author Starbeamrainbowlabs
* GitHub: @sbrl | Twitter: @SBRLabs | Reddit: u/Starbeamrainbowlabs
***** Changelog *****
* 27th March 2019:
* - Initial public release
* 9th March 2020:
* - Add Italics (\u001b[3m])
* - Export a new instance of it by default (makes it so that there's 1 global instance)
* 5th September 2020:
* - Add support for NO_COLOR environment variable <https://no-color.org/>
*/
class Ansi {
constructor() {
/**
* Whether we should *actually* emit ANSI escape codes or not.
* Useful when we want to output to a log file, for example
* @type {Boolean}
*/
this.enabled = true;
this.escape_codes();
}
escape_codes() {
if(typeof process !== "undefined" && typeof process.env.NO_COLOR == "string") {
this.enabled = false;
return;
}
// Solution on how to output ANSI escape codes in C# from here:
// https://www.jerriepelser.com/blog/using-ansi-color-codes-in-net-console-apps
this.reset = this.enabled ? "\u001b[0m" : "";
this.hicol = this.enabled ? "\u001b[1m" : "";
this.locol = this.enabled ? "\u001b[2m" : "";
this.italics = this.enabled ? "\u001b[3m" : "";
this.underline = this.enabled ? "\u001b[4m" : "";
this.inverse = this.enabled ? "\u001b[7m" : "";
this.fblack = this.enabled ? "\u001b[30m" : "";
this.fred = this.enabled ? "\u001b[31m" : "";
this.fgreen = this.enabled ? "\u001b[32m" : "";
this.fyellow = this.enabled ? "\u001b[33m" : "";
this.fblue = this.enabled ? "\u001b[34m" : "";
this.fmagenta = this.enabled ? "\u001b[35m" : "";
this.fcyan = this.enabled ? "\u001b[36m" : "";
this.fwhite = this.enabled ? "\u001b[37m" : "";
this.bblack = this.enabled ? "\u001b[40m" : "";
this.bred = this.enabled ? "\u001b[41m" : "";
this.bgreen = this.enabled ? "\u001b[42m" : "";
this.byellow = this.enabled ? "\u001b[43m" : "";
this.bblue = this.enabled ? "\u001b[44m" : "";
this.bmagenta = this.enabled ? "\u001b[45m" : "";
this.bcyan = this.enabled ? "\u001b[46m" : "";
this.bwhite = this.enabled ? "\u001b[47m" : "";
}
// Thanks to http://ascii-table.com/ansi-escape-sequences.php for the following ANSI escape sequences
up(lines = 1) {
return this.enabled ? `\u001b[${lines}A` : "";
}
down(lines = 1) {
return this.enabled ? `\u001b[${lines}B` : "";
}
right(lines = 1) {
return this.enabled ? `\u001b[${lines}C` : "";
}
left(lines = 1) {
return this.enabled ? `\u001b[${lines}D` : "";
}
jump_to(x, y) {
return this.enabled ? `\u001b[${y};${x}H` : "";
}
cursor_pos_save() {
return this.enabled ? `\u001b[s` : "";
}
cursor_pos_restore() {
return this.enabled ? `\u001b[u` : "";
}
}
export default (new Ansi());

71
src/lib/io/Log.mjs Normal file
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"use strict";
import a from './Ansi.mjs';
const LOG_LEVELS = {
DEBUG: 0,
INFO: 1,
LOG: 2,
WARN: 4,
ERROR: 8,
NONE: 2048
};
class Log {
constructor() {
this.start = new Date();
this.level = LOG_LEVELS.DEBUG;
}
debug(...message) {
if(this.level > LOG_LEVELS.DEBUG) return;
this.__do_log("debug", ...message);
}
info(...message) {
if(this.level > LOG_LEVELS.INFO) return;
this.__do_log("info", ...message);
}
log(...message) {
if(this.level > LOG_LEVELS.LOG) return;
this.__do_log("log", ...message);
}
warn(...message) {
if(this.level > LOG_LEVELS.WARN) return;
this.__do_log("warn", ...message);
}
error(...message) {
if(this.level > LOG_LEVELS.ERROR) return;
this.__do_log("error", ...message);
}
__do_log(level, ...message) {
message.unshift(`${a.locol}[ ${((new Date() - this.start) / 1000).toFixed(3)}]${a.reset}`);
let part = `[ ${level} ]`;
switch(level) {
case "debug":
part = a.locol + part;
break;
case "warn":
part = a.fyellow + part;
break;
case "error":
part = a.fred + part;
break;
}
message.unshift(part)
console.error(...message);
}
}
// You won't normally need these
export { LOG_LEVELS };
export default new Log();

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"use strict";
import a from './Ansi.mjs';
import l from './Log.mjs';
/**
* Hashes a string to a numerical value.
* NOT CRYPTOGRAPHICALLY SECURE!
* @param {string} str The string to hash.
* @return {number} The resulting hashed value as a number.
*/
function hash_numeric(str) {
let hash = 0;
for (let i = 0; i < str.length; i++) {
hash = ((hash << 5) - hash) + str.charCodeAt(i);
hash |= 0; // Convert to 32bit integer
}
return hash;
}
class NamespacedLog {
constructor(namespace) {
this.namespace = namespace;
// From https://github.com/debug-js/debug/blob/master/src/node.js#L35
let colours = [
20, 21, 26, 27, 32, 33, 38, 39, 40, 41, 42, 43, 44, 45, 56, 57, 62,
63, 68, 69, 74, 75, 76, 77, 78, 79, 80, 81, 92, 93, 98, 99, 112,
113, 128, 129, 134, 135, 148, 149, 160, 161, 162, 163, 164, 165,
166, 167, 168, 169, 170, 171, 172, 173, 178, 179, 184, 185, 196,
197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209,
214, 215, 220, 221
];
this.nscolour = colours[Math.abs(hash_numeric(this.namespace)) % colours.length];
let colouransi = `\u001b[3${(this.nscolour < 8 ? this.nscolour : '8;5;' + this.nscolour)}m`;
if(!a.enabled) colouransi = "";
this.ns = `${colouransi}${this.namespace}${a.reset}`;
}
debug(...msg) { l.debug(this.ns, ...msg); }
info(...msg) { l.info(this.ns, ...msg); }
log(...msg) { l.log(this.ns, ...msg); }
warn(...msg) { l.warn(this.ns, ...msg); }
error(...msg) { l.error(this.ns, ...msg); }
}
export default function(namespace) {
return new NamespacedLog(namespace);
};