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fix: WASM import module path was wrong (wbg -> ./md_wasm_bg.js)

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Accusys
2026-05-18 11:59:17 +08:00
parent 773ab67092
commit efcf26d294
1 changed files with 37 additions and 14 deletions
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51
docs_v1.0/doc_wasm/index.html
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@@ -62,32 +62,55 @@ const MODULES = [
const el = document.getElementById('content'); const el = document.getElementById('content');
let wasm_render = null; let wasm_render = null;
let wasm_exports = null;
async function initWasm() { async function initWasm() {
const resp = await fetch('/doc-wasm/pkg/md_wasm_bg.wasm'); const resp = await fetch('/doc-wasm/pkg/md_wasm_bg.wasm');
if (!resp.ok) throw new Error('WASM fetch failed: ' + resp.status);
const bytes = await resp.arrayBuffer(); const bytes = await resp.arrayBuffer();
const wasm = await WebAssembly.instantiate(bytes, {
wbg: { __wbindgen_init_externref_table: function() {} }, // Import object: __wbindgen_init_externref_table will be called from __wbindgen_start
'./md_wasm_bg.js': {} // after instantiation, so we close over a variable that will be set later
}); let exports = null;
wasm_render = wasm.instance.exports.render; const importObj = {
'./md_wasm_bg.js': {
__wbindgen_init_externref_table: function() {
const table = exports.__wbindgen_externrefs;
const offset = table.grow(4);
table.set(0, undefined);
table.set(offset + 0, undefined);
table.set(offset + 1, null);
table.set(offset + 2, true);
table.set(offset + 3, false);
},
}
};
const wasm = await WebAssembly.instantiate(bytes, importObj);
exports = wasm.instance.exports;
wasm_exports = exports;
// Call start function to initialize (triggers __wbindgen_init_externref_table)
if (exports.__wbindgen_start) {
exports.__wbindgen_start();
}
} }
function md2html(md) { function md2html(md) {
if (!wasm_render) return '<p>WASM not loaded</p>'; if (!wasm_exports) return '<p>WASM not loaded</p>';
// Call the WASM render function
// It takes (ptr, len) and returns [ptr, len]
const encoder = new TextEncoder(); const encoder = new TextEncoder();
const buf = encoder.encode(md); const buf = encoder.encode(md);
const malloc = wasm.instance.exports.__wbindgen_malloc; const malloc = wasm_exports.__wbindgen_malloc;
const free = wasm.instance.exports.__wbindgen_free; const free = wasm_exports.__wbindgen_free;
const memory = wasm.instance.exports.memory; const memory = wasm_exports.memory;
const ptr = malloc(buf.length, 1); const ptr = malloc(buf.length, 1);
const mem = new Uint8Array(memory.buffer); const mem = new Uint8Array(memory.buffer);
mem.set(buf, ptr); mem.set(buf, ptr);
const result = wasm_render(ptr, buf.length); const result = wasm_exports.render(ptr, buf.length);
const [rptr, rlen] = result; const rptr = result[0];
const rlen = result[1];
const ret = new TextDecoder().decode(new Uint8Array(memory.buffer, rptr, rlen)); const ret = new TextDecoder().decode(new Uint8Array(memory.buffer, rptr, rlen));
free(rptr, rlen, 1); free(rptr, rlen, 1);
return ret.replace(/<table>/g, '<table class="table">'); return ret.replace(/<table>/g, '<table class="table">');
@@ -99,7 +122,7 @@ async function loadDoc(name) {
const resp = await fetch('/doc-wasm/modules/' + name + '.md'); const resp = await fetch('/doc-wasm/modules/' + name + '.md');
if (!resp.ok) throw new Error('HTTP ' + resp.status); if (!resp.ok) throw new Error('HTTP ' + resp.status);
const md = await resp.text(); const md = await resp.text();
if (!wasm_render) throw new Error('WASM not loaded'); if (!wasm_exports) throw new Error('WASM not loaded');
el.innerHTML = md2html(md); el.innerHTML = md2html(md);
document.querySelectorAll('.sidebar a.module-link').forEach(function(a) { a.classList.remove('active'); }); document.querySelectorAll('.sidebar a.module-link').forEach(function(a) { a.classList.remove('active'); });
var link = document.querySelector('.sidebar a[data-module="' + name + '"]'); var link = document.querySelector('.sidebar a[data-module="' + name + '"]');