diff options
Diffstat (limited to 'lua')
| -rw-r--r-- | lua/mason-core/installer/registry/expr.lua | 26 |
1 files changed, 10 insertions, 16 deletions
diff --git a/lua/mason-core/installer/registry/expr.lua b/lua/mason-core/installer/registry/expr.lua index c6a6aafe..1fdeeee8 100644 --- a/lua/mason-core/installer/registry/expr.lua +++ b/lua/mason-core/installer/registry/expr.lua @@ -37,36 +37,30 @@ local function shallow_clone(tbl) return res end +---@param expr string +---@param ctx table<string, any> +local function eval(expr, ctx) + return setfenv(assert(loadstring("return " .. expr), ("Failed to parse expression: %q"):format(expr)), ctx)() +end + ---@param str string ---@param ctx table<string, any> function M.interpolate(str, ctx) ctx = shallow_clone(ctx) + setmetatable(ctx, { __index = FILTERS }) return Result.pcall(function() - setmetatable(ctx, { __index = FILTERS }) return _.gsub("{{([^}]+)}}", function(expr) local components = parse_expr(expr) - local value = assert( - setfenv( - assert( - loadstring("return " .. components.value_expr), - ("Failed to parse value: %q"):format(components.value_expr) - ), - ctx - )(), - ("Value is nil: %q"):format(components.value_expr) - ) + local value = eval(components.value_expr, ctx) local filters = _.map(function(filter_expr) - local filter = setfenv( - assert(loadstring("return " .. filter_expr), ("Failed to parse filter: %q"):format(filter_expr)), - ctx - )() + local filter = eval(filter_expr, ctx) assert(type(filter) == "function", ("Invalid filter expression: %q"):format(filter_expr)) return filter end, components.filters) - return _.reduce(_.apply_to, value, filters) + return _.reduce(_.apply_to, value, filters) or "" end, str) end) end |