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fix(presets): correct error parsers for real compiler output (#11)

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Problem: all three built-in error parsers were broken against real
compiler output. Typst set source to the relative file path, overriding
the provider name. LaTeX errors go to stdout but the parser only
received stderr. Pandoc's pattern matched "Error at" but not the real
"Error parsing YAML metadata at" format, and single-line parsing missed
multiline messages.

Solution: pass combined stdout+stderr to error_parser so LaTeX stdout
errors are visible. Remove source = file from the Typst parser so
diagnostic.lua defaults it to the provider name. Rewrite the Pandoc
parser with line-based lookahead: match (line N, column N) regardless
of prefix text, skip YAML parse exception lines when looking ahead for
the human-readable message. Rename stderr param to output throughout
diagnostic.lua, presets.lua, and init.lua annotations.
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Barrett Ruth 2026-03-03 14:14:59 -05:00 • committed by GitHub
parent 87fc00059c
commit 0f353446b6
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5 changed files with 101 additions and 79 deletions
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2
lua/preview/init.lua
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@ -5,7 +5,7 @@
---@field cwd? string|fun(ctx: preview.Context): string
---@field env? table<string, string>
---@field output? string|fun(ctx: preview.Context): string
---@field error_parser? fun(stderr: string, ctx: preview.Context): preview.Diagnostic[]
---@field error_parser? fun(output: string, ctx: preview.Context): preview.Diagnostic[]
---@field clean? string[]|fun(ctx: preview.Context): string[]
---@field open? boolean|string[]