Jared Allard
64 lines
2.0 KiB
JavaScript
64 lines
2.0 KiB
JavaScript
/**
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* Copyright (c) 2013 Craig Condon
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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**/
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var async = require("async"),
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fs = require("fs"),
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_log = require("./log");
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/**
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* Monkey patch a file.
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*
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* @param {string} filePath - path to file.
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* @param {function} monkeyPatched - function to process contents
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* @param {function} processor - TODO: detail what this is
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* @param {function} complete - callback
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*
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* @return undefined
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*/
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function _monkeypatch (filePath, monkeyPatched, processor, complete) {
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async.waterfall([
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function read (next) {
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fs.readFile(filePath, "utf8", next);
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},
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// TODO - need to parse gyp file - this is a bit hacker
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function monkeypatch (content, next) {
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if (monkeyPatched(content)) return complete();
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_log("monkey patch %s", filePath);
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processor(content, next);
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},
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function write (content, next) {
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fs.writeFile(filePath, content, "utf8", next);
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}
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], complete);
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}
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// export the function for require()
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module.exports = _monkeypatch;
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