Get markdown working in WASM
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			@ -19,6 +19,7 @@ require (
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	github.com/stretchr/testify v1.7.0
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	github.com/teacat/noire v1.1.0
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	github.com/wellington/go-libsass v0.9.2
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	github.com/yuin/goldmark v1.3.7
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	golang.org/x/crypto v0.0.0-20210322153248-0c34fe9e7dc2
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)
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								go.sum
								
								
								
								
							
							
						
						
									
										2
									
								
								go.sum
								
								
								
								
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			@ -280,6 +280,8 @@ github.com/wellington/go-libsass v0.9.2 h1:6Ims04UDdBs6/CGSVK5JC8FNikR5ssrsMMKE/
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github.com/wellington/go-libsass v0.9.2/go.mod h1:mxgxgam0N0E+NAUMHLcu20Ccfc3mVpDkyrLDayqfiTs=
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		||||
github.com/xiang90/probing v0.0.0-20190116061207-43a291ad63a2/go.mod h1:UETIi67q53MR2AWcXfiuqkDkRtnGDLqkBTpCHuJHxtU=
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github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
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github.com/yuin/goldmark v1.3.7 h1:NSaHgaeJFCtWXCBkBKXw0rhgMuJ0VoE9FB5mWldcrQ4=
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github.com/yuin/goldmark v1.3.7/go.mod h1:mwnBkeHKe2W/ZEtQ+71ViKU8L12m81fl3OWwC1Zlc8k=
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github.com/zenazn/goji v0.9.0/go.mod h1:7S9M489iMyHBNxwZnk9/EHS098H4/F6TATF2mIxtB1Q=
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go.etcd.io/bbolt v1.3.2/go.mod h1:IbVyRI1SCnLcuJnV2u8VeU0CEYM7e686BmAb1XKL+uU=
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		||||
go.opencensus.io v0.21.0/go.mod h1:mSImk1erAIZhrmZN+AvHh14ztQfjbGwt4TtuofqLduU=
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		||||
| 
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			@ -0,0 +1,626 @@
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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
 | 
			
		||||
// license that can be found in the LICENSE file.
 | 
			
		||||
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		||||
(() => {
 | 
			
		||||
	// Map multiple JavaScript environments to a single common API,
 | 
			
		||||
	// preferring web standards over Node.js API.
 | 
			
		||||
	//
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		||||
	// Environments considered:
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		||||
	// - Browsers
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		||||
	// - Node.js
 | 
			
		||||
	// - Electron
 | 
			
		||||
	// - Parcel
 | 
			
		||||
	// - Webpack
 | 
			
		||||
 | 
			
		||||
	if (typeof global !== "undefined") {
 | 
			
		||||
		// global already exists
 | 
			
		||||
	} else if (typeof window !== "undefined") {
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		||||
		window.global = window;
 | 
			
		||||
	} else if (typeof self !== "undefined") {
 | 
			
		||||
		self.global = self;
 | 
			
		||||
	} else {
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		||||
		throw new Error("cannot export Go (neither global, window nor self is defined)");
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		||||
	}
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		||||
 | 
			
		||||
	if (!global.require && typeof require !== "undefined") {
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		||||
		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 = fs;
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		||||
		}
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
	const enosys = () => {
 | 
			
		||||
		const err = new Error("not implemented");
 | 
			
		||||
		err.code = "ENOSYS";
 | 
			
		||||
		return err;
 | 
			
		||||
	};
 | 
			
		||||
 | 
			
		||||
	if (!global.fs) {
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		||||
		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);
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		||||
				const nl = outputBuf.lastIndexOf("\n");
 | 
			
		||||
				if (nl != -1) {
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		||||
					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) {
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		||||
					callback(enosys());
 | 
			
		||||
					return;
 | 
			
		||||
				}
 | 
			
		||||
				const n = this.writeSync(fd, buf);
 | 
			
		||||
				callback(null, n);
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		||||
			},
 | 
			
		||||
			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) {
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		||||
		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(); },
 | 
			
		||||
		}
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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) {
 | 
			
		||||
				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 walltime1() (sec int64, nsec int32)
 | 
			
		||||
					"runtime.walltime1": (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) {
 | 
			
		||||
							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) {
 | 
			
		||||
							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) {
 | 
			
		||||
							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);
 | 
			
		||||
		});
 | 
			
		||||
	}
 | 
			
		||||
})();
 | 
			
		||||
										
											Binary file not shown.
										
									
								
							| 
						 | 
				
			
			@ -1,8 +1,12 @@
 | 
			
		|||
package parsing
 | 
			
		||||
 | 
			
		||||
import (
 | 
			
		||||
	"bytes"
 | 
			
		||||
	"regexp"
 | 
			
		||||
	"sort"
 | 
			
		||||
 | 
			
		||||
	"github.com/yuin/goldmark"
 | 
			
		||||
	"github.com/yuin/goldmark/extension"
 | 
			
		||||
)
 | 
			
		||||
 | 
			
		||||
func StripNames(regexStr string) string {
 | 
			
		||||
| 
						 | 
				
			
			@ -85,3 +89,16 @@ func tokenizeBBCode(input string) []token {
 | 
			
		|||
 | 
			
		||||
	return tokens
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
var md = goldmark.New(
 | 
			
		||||
	goldmark.WithExtensions(extension.GFM),
 | 
			
		||||
)
 | 
			
		||||
 | 
			
		||||
func ParsePostInput(source string) string {
 | 
			
		||||
	var buf bytes.Buffer
 | 
			
		||||
	if err := md.Convert([]byte(source), &buf); err != nil {
 | 
			
		||||
		panic(err)
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
	return buf.String()
 | 
			
		||||
}
 | 
			
		||||
| 
						 | 
				
			
			
 | 
			
		|||
| 
						 | 
				
			
			@ -1,6 +1,7 @@
 | 
			
		|||
package parsing
 | 
			
		||||
 | 
			
		||||
import (
 | 
			
		||||
	"fmt"
 | 
			
		||||
	"testing"
 | 
			
		||||
 | 
			
		||||
	"github.com/stretchr/testify/assert"
 | 
			
		||||
| 
						 | 
				
			
			@ -24,3 +25,23 @@ Mix 'em: [u][/i]wow.[/i][/u]
 | 
			
		|||
		assert.Equal(t, expected, ParseBBCode(bbcode))
 | 
			
		||||
	})
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
func TestParsePostInput(t *testing.T) {
 | 
			
		||||
	testDoc := []byte(`
 | 
			
		||||
Hello, *world!*
 | 
			
		||||
 | 
			
		||||
I can do **bold**, *italic*, and _underlined_ text??
 | 
			
		||||
 | 
			
		||||
# Heading 1
 | 
			
		||||
## Heading 2
 | 
			
		||||
### Heading 3
 | 
			
		||||
 | 
			
		||||
Links: [HMN](https://handmade.network)
 | 
			
		||||
Images: 
 | 
			
		||||
`)
 | 
			
		||||
 | 
			
		||||
	res := ParsePostInput(testDoc)
 | 
			
		||||
	fmt.Println(string(res))
 | 
			
		||||
 | 
			
		||||
	t.Fail()
 | 
			
		||||
}
 | 
			
		||||
| 
						 | 
				
			
			
 | 
			
		|||
| 
						 | 
				
			
			@ -0,0 +1,6 @@
 | 
			
		|||
#!/bin/bash
 | 
			
		||||
 | 
			
		||||
PUBLIC_DIR=../../../public
 | 
			
		||||
 | 
			
		||||
GOOS=js GOARCH=wasm go build -o $PUBLIC_DIR/parsing.wasm
 | 
			
		||||
cp "$(go env GOROOT)/misc/wasm/wasm_exec.js" $PUBLIC_DIR/go_wasm_exec.js
 | 
			
		||||
| 
						 | 
				
			
			@ -0,0 +1,16 @@
 | 
			
		|||
package main
 | 
			
		||||
 | 
			
		||||
import (
 | 
			
		||||
	"syscall/js"
 | 
			
		||||
 | 
			
		||||
	"git.handmade.network/hmn/hmn/src/parsing"
 | 
			
		||||
)
 | 
			
		||||
 | 
			
		||||
func main() {
 | 
			
		||||
	js.Global().Set("parseMarkdown", js.FuncOf(func(this js.Value, args []js.Value) interface{} {
 | 
			
		||||
		return parsing.ParsePostInput(args[0].String())
 | 
			
		||||
	}))
 | 
			
		||||
 | 
			
		||||
	var done chan bool
 | 
			
		||||
	<-done // block forever
 | 
			
		||||
}
 | 
			
		||||
| 
						 | 
				
			
			@ -2,8 +2,16 @@
 | 
			
		|||
 | 
			
		||||
{{ define "extrahead" }}
 | 
			
		||||
    <link rel="stylesheet" href="{{ static "editor.css" }}" />
 | 
			
		||||
    <script type="text/javascript" src="{{ static "util.js" }}"></script>
 | 
			
		||||
    <script type="text/javascript" src="{{ static "editor.js" }}"></script>
 | 
			
		||||
    <script src="{{ static "util.js" }}"></script>
 | 
			
		||||
    <script src="{{ static "editor.js" }}"></script>
 | 
			
		||||
 | 
			
		||||
    <script src="{{ static "go_wasm_exec.js" }}"></script>
 | 
			
		||||
    <script>
 | 
			
		||||
        const go = new Go();
 | 
			
		||||
        WebAssembly.instantiateStreaming(fetch("{{ static "parsing.wasm" }}"), go.importObject).then(result => {
 | 
			
		||||
            go.run(result.instance);
 | 
			
		||||
        });
 | 
			
		||||
    </script>
 | 
			
		||||
{{ end }}
 | 
			
		||||
 | 
			
		||||
{{ define "content" }}
 | 
			
		||||
| 
						 | 
				
			
			@ -34,13 +42,17 @@
 | 
			
		|||
            <input type="button" id="youtube" value="youtube" />
 | 
			
		||||
        </div>
 | 
			
		||||
        */}}
 | 
			
		||||
        <textarea class="w-100 minw-100 mw-100 h5 minh-5" name="body">{{ .PostBody }}</textarea>
 | 
			
		||||
        <textarea id="editor" class="w-100 minw-100 mw-100 h5 minh-5" name="body">{{ .PostBody }}</textarea>
 | 
			
		||||
 | 
			
		||||
        <div class="flex flex-row-reverse justify-start mt2">
 | 
			
		||||
            <input type="submit" class="button ml2" name="submit" value="{{ .SubmitLabel }}" />
 | 
			
		||||
            <input type="submit" class="button ml2" name="preview" value="{{ .PreviewLabel }}" />
 | 
			
		||||
        </div>
 | 
			
		||||
        
 | 
			
		||||
 | 
			
		||||
        <div class="post post-preview mv3">
 | 
			
		||||
            <div id="preview" class="body contents"></div>
 | 
			
		||||
        </div>
 | 
			
		||||
 | 
			
		||||
        {{/*
 | 
			
		||||
        {% if are_editing %}
 | 
			
		||||
            <span class="editreason">
 | 
			
		||||
| 
						 | 
				
			
			@ -91,4 +103,14 @@
 | 
			
		|||
        */}}
 | 
			
		||||
    </form>
 | 
			
		||||
</div>
 | 
			
		||||
 | 
			
		||||
<script>
 | 
			
		||||
    const tf = document.querySelector('#editor');
 | 
			
		||||
    const preview = document.querySelector('#preview');
 | 
			
		||||
 | 
			
		||||
    tf.addEventListener('input', () => {
 | 
			
		||||
        const previewHtml = parseMarkdown(tf.value);
 | 
			
		||||
        preview.innerHTML = previewHtml;
 | 
			
		||||
    })
 | 
			
		||||
</script>
 | 
			
		||||
{{ end }}
 | 
			
		||||
| 
						 | 
				
			
			
 | 
			
		|||
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		Reference in New Issue