File size: 4,342 Bytes
96c8713 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 | 'use strict';
Object.defineProperty(exports, '__esModule', { value: true });
var MagicString = require('magic-string');
var pluginutils = require('@rollup/pluginutils');
function escape(str) {
return str.replace(/[-[\]/{}()*+?.\\^$|]/g, '\\$&');
}
function ensureFunction(functionOrValue) {
if (typeof functionOrValue === 'function') { return functionOrValue; }
return function () { return functionOrValue; };
}
function longest(a, b) {
return b.length - a.length;
}
function getReplacements(options) {
if (options.values) {
return Object.assign({}, options.values);
}
var values = Object.assign({}, options);
delete values.delimiters;
delete values.include;
delete values.exclude;
delete values.sourcemap;
delete values.sourceMap;
delete values.objectGuards;
delete values.preventAssignment;
return values;
}
function mapToFunctions(object) {
return Object.keys(object).reduce(function (fns, key) {
var functions = Object.assign({}, fns);
functions[key] = ensureFunction(object[key]);
return functions;
}, {});
}
var objKeyRegEx =
/^([_$a-zA-Z\xA0-\uFFFF][_$a-zA-Z0-9\xA0-\uFFFF]*)(\.([_$a-zA-Z\xA0-\uFFFF][_$a-zA-Z0-9\xA0-\uFFFF]*))+$/;
function expandTypeofReplacements(replacements) {
Object.keys(replacements).forEach(function (key) {
var objMatch = key.match(objKeyRegEx);
if (!objMatch) { return; }
var dotIndex = objMatch[1].length;
do {
// eslint-disable-next-line no-param-reassign
replacements[("typeof " + (key.slice(0, dotIndex)))] = '"object"';
dotIndex = key.indexOf('.', dotIndex + 1);
} while (dotIndex !== -1);
});
}
function replace(options) {
if ( options === void 0 ) options = {};
var filter = pluginutils.createFilter(options.include, options.exclude);
var delimiters = options.delimiters; if ( delimiters === void 0 ) delimiters = ['(?<![_$a-zA-Z0-9\\xA0-\\uFFFF])', '(?![_$a-zA-Z0-9\\xA0-\\uFFFF])(?!\\.)'];
var preventAssignment = options.preventAssignment;
var objectGuards = options.objectGuards;
var replacements = getReplacements(options);
if (objectGuards) { expandTypeofReplacements(replacements); }
var functionValues = mapToFunctions(replacements);
var keys = Object.keys(functionValues).sort(longest).map(escape);
var lookbehind = preventAssignment ? '(?<!\\b(?:const|let|var)\\s*)' : '';
var lookahead = preventAssignment ? '(?!\\s*=[^=])' : '';
var pattern = new RegExp(
("" + lookbehind + (delimiters[0]) + "(" + (keys.join('|')) + ")" + (delimiters[1]) + lookahead),
'g'
);
return {
name: 'replace',
buildStart: function buildStart() {
if (![true, false].includes(preventAssignment)) {
this.warn({
message:
"@rollup/plugin-replace: 'preventAssignment' currently defaults to false. It is recommended to set this option to `true`, as the next major version will default this option to `true`."
});
}
},
renderChunk: function renderChunk(code, chunk) {
var id = chunk.fileName;
if (!keys.length) { return null; }
if (!filter(id)) { return null; }
return executeReplacement(code, id);
},
transform: function transform(code, id) {
if (!keys.length) { return null; }
if (!filter(id)) { return null; }
return executeReplacement(code, id);
}
};
function executeReplacement(code, id) {
var magicString = new MagicString(code);
if (!codeHasReplacements(code, id, magicString)) {
return null;
}
var result = { code: magicString.toString() };
if (isSourceMapEnabled()) {
result.map = magicString.generateMap({ hires: true });
}
return result;
}
function codeHasReplacements(code, id, magicString) {
var result = false;
var match;
// eslint-disable-next-line no-cond-assign
while ((match = pattern.exec(code))) {
result = true;
var start = match.index;
var end = start + match[0].length;
var replacement = String(functionValues[match[1]](id));
magicString.overwrite(start, end, replacement);
}
return result;
}
function isSourceMapEnabled() {
return options.sourceMap !== false && options.sourcemap !== false;
}
}
exports.default = replace;
module.exports = Object.assign(exports.default, exports);
//# sourceMappingURL=index.js.map
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