42 lines
1.5 KiB
Text
42 lines
1.5 KiB
Text
# reload.ludic - a developer's templates and stylesheets read again when they change on disk: every
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# file is re-read in the order it was first loaded (so an import is there before its importer), and
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# the screens' state is kept, as React's fast refresh keeps it. True when anything changed.
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export function ui_reload(ui_st: mut UiState) -> bool {
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var changed = uc_reload(ui_st)
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for i in 0 .. len(ui_st.lib_files) {
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let f = ui_st.lib_files[i]
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if f.disk {
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let now = lib_text(ui_st, f.path)
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if now != f.src { changed = true }
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rl_let_go(now) # read only to compare; a change is read again below
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}
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}
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if not changed { return false }
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ui_st.ui_errs = new []string
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if len(ui_st.lib_files) == 0 {
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print(`ui: templates reloaded`)
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return true
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}
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let old = ui_st.lib_files
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ui_st.lib_files = new []UiFile
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ui_st.lib_screen_names = new []string
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ui_st.lib_screens = new []UiTpl
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ui_st.ui_errs = new []string
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for i in 0 .. len(old) {
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let f = old[i]
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var have = false
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for k in 0 .. len(ui_st.lib_files) {
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if ui_st.lib_files[k].path == f.path { have = true }
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}
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if have { continue }
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if f.disk { lib_file(ui_st, f.path) } else { ui_load_text(ui_st, f.src, f.path) }
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}
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uc_invalidate(ui_st)
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print(`ui: templates reloaded`)
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return true
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}
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# a text read from disk only to be compared, given back (never a literal: lib_text's "" is not freed)
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function rl_let_go(s: string) -> void {
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if s == null or len(s) == 0 { return }
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unsafe { free(s) }
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}
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