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Merge pull request #2047 from lightpanda-io/fancy-wait

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Add --wait-selector, --wait-script and --wait-script-file options to …
This commit is contained in:
Karl Seguin
2026-03-31 20:59:48 +08:00
committed by GitHub
parent 3d624a97a7 af19cbc726
commit 4ad8282e75
14 changed files with 290 additions and 90 deletions
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30
src/lightpanda.zig
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@@ -48,7 +48,9 @@ const IS_DEBUG = @import("builtin").mode == .Debug;
pub const FetchOpts = struct {
wait_ms: u32 = 5000,
wait_until: Config.WaitUntil = .load,
wait_until: ?Config.WaitUntil = null,
wait_script: ?[:0]const u8 = null,
wait_selector: ?[:0]const u8 = null,
dump: dump.Opts,
dump_mode: ?Config.DumpFormat = null,
writer: ?*std.Io.Writer = null,
@@ -111,7 +113,31 @@ pub fn fetch(app: *App, url: [:0]const u8, opts: FetchOpts) !void {
.kind = .{ .push = null },
});
var runner = try session.runner(.{});
try runner.wait(.{ .ms = opts.wait_ms, .until = opts.wait_until });
var timer = try std.time.Timer.start();
if (opts.wait_until) |wu| {
try runner.wait(.{ .ms = opts.wait_ms, .until = wu });
} else if (opts.wait_selector == null and opts.wait_script == null) {
// We default to .done if both wait_selector and wait_script are null
// This allows the caller to ONLY --wait-selector or ONLY --wait-script
// or combine --wait-until WITH --wait-selector/script
try runner.wait(.{ .ms = opts.wait_ms, .until = .done });
}
if (opts.wait_selector) |selector| {
const elapsed: u32 = @intCast(timer.read() / std.time.ns_per_ms);
const remaining = opts.wait_ms -| elapsed;
if (remaining == 0) return error.Timeout;
_ = try runner.waitForSelector(selector, remaining);
}
if (opts.wait_script) |script| {
const elapsed: u32 = @intCast(timer.read() / std.time.ns_per_ms);
const remaining = opts.wait_ms -| elapsed;
if (remaining == 0) return error.Timeout;
try runner.waitForScript(script, remaining);
}
const writer = opts.writer orelse return;
if (opts.dump_mode) |mode| {