113 lines
4.5 KiB
Text
Executable file
113 lines
4.5 KiB
Text
Executable file
#!/usr/bin/env nu
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# Decide whether the workspace needs a wasm32 build for the Leptos hydration profile.
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#
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# Used by the `build-auto` justfile recipe (and any CI driver) to choose between:
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# cargo leptos build --release (any route declares leptos-hydration)
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# cargo build --release --no-default-features --features ssr,htmx-ssr
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# (all routes are htmx-ssr)
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#
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# Decision sources, in precedence order:
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# 1. A `rendering_profile = "leptos-hydration"` override on any per-route TOML.
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# 2. `[rendering] default_profile = "leptos-hydration"` in the workspace config.
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# 3. Absence of a workspace `[rendering]` table (Rustelo default is hydration).
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#
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# Exit codes (suited for shell `if`):
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# 0 — wasm build needed (run cargo leptos)
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# 1 — wasm build NOT needed (run cargo build with htmx-ssr features)
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# 2 — argument or filesystem error
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#
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# Usage:
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# nu scripts/check-wasm-needed.nu --routes-dir site/config/routes \
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# --workspace-config site/config/rendering.toml
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#
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# nu scripts/check-wasm-needed.nu --verbose ... # also print the reason
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def main [
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--routes-dir: string # directory containing per-language route TOMLs; scanned recursively
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--workspace-config: string # path to the workspace config TOML carrying the [rendering] table
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--verbose # print one-line reason to stderr
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] {
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let routes_dir = if $routes_dir == null { null } else { $routes_dir }
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let workspace_config = if $workspace_config == null { null } else { $workspace_config }
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# 1. Any route-level override forces the decision.
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if $routes_dir != null and ($routes_dir | path exists) {
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let hits = (try { route_overrides $routes_dir } catch { |e|
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print --stderr $"check-wasm-needed: failed to scan routes dir: ($e)"
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exit 2
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})
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if ($hits | length) > 0 {
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if $verbose {
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let first = ($hits | first)
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print --stderr $"wasm needed: route override (($first.file)) declares leptos-hydration"
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}
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exit 0
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}
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}
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# 2. Workspace default.
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let workspace_says_hydrate = if $workspace_config != null and ($workspace_config | path exists) {
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workspace_default_is_hydration $workspace_config
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} else {
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true # 3. Absent table → Rustelo default is hydration.
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}
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if $workspace_says_hydrate {
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if $verbose {
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print --stderr "wasm needed: workspace default is leptos-hydration (explicit or implicit)"
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}
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exit 0
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} else {
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if $verbose {
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print --stderr "wasm skipped: workspace default is htmx-ssr and no route opts back into leptos-hydration"
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}
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exit 1
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}
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}
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# Returns rows {file, line} for every route TOML under `dir` whose
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# `rendering_profile` field is `"leptos-hydration"`.
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def route_overrides [dir: string] {
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glob $"($dir)/**/*.toml" | each {|file|
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let content = (open --raw $file)
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$content | lines | enumerate | each {|row|
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let line = $row.item
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if ($line | str replace --all ' ' '' | str contains 'rendering_profile="leptos-hydration"') {
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{ file: $file, line: ($row.index + 1) }
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} else {
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null
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}
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} | where { |it| $it != null }
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} | flatten
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}
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# Parses the workspace config (TOML or NCL) and returns true when the
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# rendering.default_profile field is missing or set to "leptos-hydration".
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#
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# NCL workspaces are read as text and the field is grepped (avoids requiring
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# the nickel CLI in PATH for this dispatch decision). The grep is intentionally
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# strict — only single-line `default_profile = "<value>"` syntax is recognised.
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def workspace_default_is_hydration [config_path: string] {
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let extension = ($config_path | path parse | get extension)
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if $extension == "ncl" {
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let content = (try { open --raw $config_path } catch { return true })
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# Look for a single-line `default_profile = "..."` assignment.
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let htmx_line = (
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$content
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| lines
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| each { |l| $l | str replace --all ' ' '' }
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| where { |l| $l | str contains 'default_profile="htmx-ssr"' }
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)
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($htmx_line | length) == 0
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} else {
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let parsed = (try { open $config_path } catch { return true })
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let table = ($parsed.rendering? | default null)
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if $table == null {
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true
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} else {
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let value = ($table.default_profile? | default "leptos-hydration")
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$value == "leptos-hydration"
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}
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}
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}
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