diff options
Diffstat (limited to 'lib/akono.js')
-rw-r--r-- | lib/akono.js | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/lib/akono.js b/lib/akono.js new file mode 100644 index 0000000000..4c2e2a2e0c --- /dev/null +++ b/lib/akono.js @@ -0,0 +1,69 @@ +// Copyright (C) 2019 Taler Systems SA +// +// This file is part of GNU Taler. +// +// GNU Taler is free software: you can redistribute it and/or modify it under +// the terms of the GNU Lesser General Public License as published by the Free +// Software Foundation, either version 3 of the License, or (at your option) +// any later version. +// +// GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY +// WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +// FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for +// more details. +// +// You should have received a copy of the GNU Lesser General Public License +// along with GNU. If not, see <https://www.gnu.org/licenses/>. + + +'use strict'; + +const akono = internalBinding("akono"); + +const mod = require('module'); +mod._saved_findPath = mod._findPath; +mod._akonoMods = {}; +mod._findPath = (request, paths, isMain) => { + const res = mod._saved_findPath(request, paths, isMain); + if (res !== false) return res; + const loadResult = akono.getModuleCode(request); + if (!loadResult) return false; + const p = `/vmod/${request}`; + mod._akonoMods[p] = loadResult; + return p; +}; + +function stripBOM(content) { + if (content.charCodeAt(0) === 0xFEFF) { + content = content.slice(1); + } + return content; +} + +mod._saved_js_extension = mod._extensions[".js"]; +mod._extensions[".js"] = (module, filename) => { + if (mod._akonoMods.hasOwnProperty(filename)) { + const akmod = mod._akonoMods[filename]; + const content = akmod; + module._compile(stripBOM(content), filename); + return; + } + return mod._saved_js_extension(module, filename); +}; + +mod._saved_json_extension = mod._extensions[".json"]; +mod._extensions[".json"] = (module, filename) => { + if (mod._akonoMods.hasOwnProperty(filename)) { + const akmod = mod._akonoMods[filename]; + const content = akmod; + try { + module.exports = JSON.parse(stripBOM(content)); + return; + } catch (err) { + err.message = filename + ': ' + err.message; + throw err; + } + } + return mod._saved_json_extension(module, filename); +}; + |