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parser.js
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parser.js
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'use strict';
var fs = require('fs');
var stackTrace = require('stack-trace');
var parse = require('comments-parser');
var files = {};
/**
* Make an object with proper file, line and name fields
* @param {string} name
* @param {number} [calleeOffset=2] How much is call stack since gulp file
* @returns {Object|null}
*/
exports.makeTaskInfo = function getTaskInfo(name, calleeOffset) {
calleeOffset = undefined !== calleeOffset ? calleeOffset : 2;
var trace = stackTrace.get();
var gulpFile = trace[calleeOffset];
if (!gulpFile) {
return null;
}
return {
name: name,
file: gulpFile.getFileName(),
line: gulpFile.getLineNumber()
};
};
/**
* Read task comments from source file and add as a comment property
* @param {TaskInfo|Object} task
* @param {object} [options] comments-parser options
*/
exports.parseComments = function parseComments(task, options) {
if (!files[task.file]) {
var content = fs.readFileSync(task.file, 'utf-8');
files[task.file] = parse(content, options);
}
var comments = files[task.file];
for (var i = 0; i < comments.length; i++) {
var comment = comments[i];
if (comment.end === task.line - 1) {
task.comment = comment;
}
}
};