82 lines
3.0 KiB
JavaScript
Executable File
82 lines
3.0 KiB
JavaScript
Executable File
'use strict';
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var _slicedToArray = function () { function sliceIterator(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"]) _i["return"](); } finally { if (_d) throw _e; } } return _arr; } return function (arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { return sliceIterator(arr, i); } else { throw new TypeError("Invalid attempt to destructure non-iterable instance"); } }; }();
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var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
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var fs = require('fs');
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var path = require('path');
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function Token(_ref) {
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var begin = _ref.begin,
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end = _ref.end,
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offset = _ref.offset,
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value = _ref.value;
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this.begin = begin;
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this.end = end;
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this.offset = offset;
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this.value = value;
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}
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function inliner(fpath, callback) {
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if (!fpath || typeof fpath !== 'string') {
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return callback(new Error('[inline] expects first argument to be a string, ' + (typeof fpath === 'undefined' ? 'undefined' : _typeof(fpath)) + ' given'));
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}
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var re = /\brequire\s*\(\s*['"]([./]+[^'"]+)['"]\s*\)/g;
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var tokens = [];
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fs.readFile(path.resolve(fpath), 'utf8', function (err, _data) {
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if (err) {
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return callback(err);
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}
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var match = void 0;
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var offset = 0;
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while ((match = re.exec(_data)) !== null) {
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var _match = match,
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_match2 = _slicedToArray(_match, 2),
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requireDeclaration = _match2[0],
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relativePath = _match2[1];
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var dpath = path.resolve(path.resolve(path.dirname(fpath)), relativePath) + '.js';
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var required = require(dpath);
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var dependency = typeof required === 'function' ? String(required) : JSON.stringify(required);
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tokens.push(new Token({
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begin: match.index + offset,
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end: re.lastIndex + offset,
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offset: offset,
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value: dependency
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}));
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offset += dependency.length - requireDeclaration.length;
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}
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var token = void 0;
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var data = _data;
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while (token = tokens.shift()) {
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data = '' + data.slice(0, token.begin) + token.value + data.slice(token.end);
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}
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return callback(null, data);
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});
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}
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/* istanbul ignore next */
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if (require.main === module) {
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// called from CLI
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if (process.argv && process.argv[2]) {
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inliner(process.argv[2], function (err, data) {
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if (err) {
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throw err;
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}
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process.stdout.write(data);
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});
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}
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}
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module.exports = inliner;
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