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This is a little bit revamped version of your code and it's adapted to zig v0.13 #9

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This is a little bit revamped version of your code and it's adapted to zig v0.13 #9

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52b4699
make it work on zig 0.13
bacher Sep 12, 2024
0fb0c90
updates
bacher Sep 12, 2024
27e864a
updates
bacher Sep 12, 2024
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6 changes: 6 additions & 0 deletions .gitignore
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@@ -1,3 +1,9 @@
.idea/
.zig-cache/
zig-out/

node_modules/

*.o
zig-cache/zigdom.h
zigdom.o
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3 changes: 3 additions & 0 deletions .prettierrc
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@@ -0,0 +1,3 @@
{
"singleQuote": true
}
4 changes: 3 additions & 1 deletion README.md
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Expand Up @@ -2,4 +2,6 @@

An example demonstrating Zig interacting with the DOM via JS.

Compile with `zig build-lib zigdom.zig -target wasm32-freestanding -dynamic -OReleaseSmall`
Forked from https://github.com/shritesh/zig-wasm-dom

Compile with `zig build`
30 changes: 30 additions & 0 deletions build.zig
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const std = @import("std");

const number_of_pages = 1;
const max_number_of_pages = 2;

pub fn build(b: *std.Build) void {
const target = b.resolveTargetQuery(.{
.cpu_arch = .wasm32,
.os_tag = .freestanding,
});

const exe = b.addExecutable(.{
.name = "zigdom",
.root_source_file = b.path("src/zigdom.zig"),
.target = target,
.optimize = .ReleaseSmall,
});

// <https://github.com/ziglang/zig/issues/8633>
exe.global_base = 0;
exe.entry = .disabled;
exe.rdynamic = true;
// exe.import_memory = true;
exe.stack_size = std.wasm.page_size / 2;

exe.initial_memory = std.wasm.page_size * number_of_pages;
exe.max_memory = std.wasm.page_size * max_number_of_pages;

b.installArtifact(exe);
}
6 changes: 0 additions & 6 deletions index.html
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Expand Up @@ -10,12 +10,6 @@

<body>
<script src="zigdom.js"></script>
<script>
fetch('zigdom.wasm')
.then(response => response.arrayBuffer())
.then(bytes => WebAssembly.instantiate(bytes, zigdom.imports))
.then(zigdom.launch);
</script>
</body>

</html>
15 changes: 15 additions & 0 deletions package.json
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@@ -0,0 +1,15 @@
{
"name": "zig-wasm-dom",
"version": "1.0.0",
"description": "",
"main": "index.js",
"scripts": {
"test": "echo \"Error: no test specified\" && exit 1"
},
"keywords": [],
"author": "",
"license": "ISC",
"devDependencies": {
"prettier": "^3.3.3"
}
}
24 changes: 24 additions & 0 deletions pnpm-lock.yaml
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27 changes: 15 additions & 12 deletions zigdom.zig → src/zigdom.zig
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@@ -1,11 +1,13 @@
// https://github.com/shritesh/zig-wasm-dom
extern "document" fn query_selector(selector_ptr: [*]const u8, selector_len: usize) usize;
extern "document" fn create_element(tag_name_ptr: [*]const u8, tag_name_len: usize) usize;
extern "document" fn create_text_node(data_ptr: [*]const u8, data_len: usize) usize;
extern "element" fn set_attribute(element_id: usize, name_ptr: [*]const u8, name_len: usize, value_ptr: [*]const u8, value_len: usize) void;
extern "element" fn get_attribute(element_id: usize, name_ptr: [*]const u8, name_len: usize, value_ptr: *[*]u8, value_len: *usize) bool;
extern "event_target" fn add_event_listener(event_target_id: usize, event_ptr: [*]const u8, event_len: usize, event_id: usize) void;
extern "window" fn alert(msg_ptr: [*]const u8, msg_len: usize) void;
const string = [*]const u8;

extern "document" fn query_selector(selector_ptr: string, selector_len: usize) usize;
extern "document" fn create_element(tag_name_ptr: string, tag_name_len: usize) usize;
extern "document" fn create_text_node(data_ptr: string, data_len: usize) usize;
extern "element" fn set_attribute(element_id: usize, name_ptr: string, name_len: usize, value_ptr: string, value_len: usize) void;
extern "element" fn get_attribute(element_id: usize, name_ptr: string, name_len: usize, value_ptr: *[*]u8, value_len: *usize) bool;
extern "event_target" fn add_event_listener(event_target_id: usize, event_ptr: string, event_len: usize, event_id: usize) void;
extern "window" fn alert(msg_ptr: string, msg_len: usize) void;
extern "node" fn append_child(node_id: usize, child_id: usize) usize;
extern "zig" fn release_object(object_id: usize) void;

Expand Down Expand Up @@ -112,11 +114,12 @@ fn launch() !void {
}

fn attach_listener(node: usize, event_name: []const u8, event_id: eventId) void {
add_event_listener(node, event_name.ptr, event_name.len, @enumToInt(event_id));
add_event_listener(node, event_name.ptr, event_name.len, @intFromEnum(event_id));
}

export fn dispatchEvent(id: u32) void {
switch (@intToEnum(eventId, id)) {
export fn dispatch_event(id: u32) void {
const e: eventId = @enumFromInt(id);
switch (e) {
eventId.Submit => on_submit_event(),
eventId.Clear => on_clear_event(),
}
Expand Down Expand Up @@ -151,8 +154,8 @@ export fn launch_export() bool {
}

export fn _wasm_alloc(len: usize) u32 {
var buf = std.heap.page_allocator.alloc(u8, len) catch {
const buf = std.heap.page_allocator.alloc(u8, len) catch {
return 0;
};
return @ptrToInt(buf.ptr);
return @intFromPtr(buf.ptr);
}
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