util.js
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/* -*- Mode: js; js-indent-level: 2; -*- */
/*
* Copyright 2011 Mozilla Foundation and contributors
* Licensed under the New BSD license. See LICENSE or:
* http://opensource.org/licenses/BSD-3-Clause
*/
if (typeof define !== 'function') {
var define = require('amdefine')(module, require);
}
define(function (require, exports, module) {
var util = require('../../lib/source-map/util');
// This is a test mapping which maps functions from two different files
// (one.js and two.js) to a minified generated source.
//
// Here is one.js:
//
// ONE.foo = function (bar) {
// return baz(bar);
// };
//
// Here is two.js:
//
// TWO.inc = function (n) {
// return n + 1;
// };
//
// And here is the generated code (min.js):
//
// ONE.foo=function(a){return baz(a);};
// TWO.inc=function(a){return a+1;};
exports.testGeneratedCode = " ONE.foo=function(a){return baz(a);};\n"+
" TWO.inc=function(a){return a+1;};";
exports.testMap = {
version: 3,
file: 'min.js',
names: ['bar', 'baz', 'n'],
sources: ['one.js', 'two.js'],
sourceRoot: '/the/root',
mappings: 'CAAC,IAAI,IAAM,SAAUA,GAClB,OAAOC,IAAID;CCDb,IAAI,IAAM,SAAUE,GAClB,OAAOA'
};
exports.testMapNoSourceRoot = {
version: 3,
file: 'min.js',
names: ['bar', 'baz', 'n'],
sources: ['one.js', 'two.js'],
mappings: 'CAAC,IAAI,IAAM,SAAUA,GAClB,OAAOC,IAAID;CCDb,IAAI,IAAM,SAAUE,GAClB,OAAOA'
};
exports.testMapEmptySourceRoot = {
version: 3,
file: 'min.js',
names: ['bar', 'baz', 'n'],
sources: ['one.js', 'two.js'],
sourceRoot: '',
mappings: 'CAAC,IAAI,IAAM,SAAUA,GAClB,OAAOC,IAAID;CCDb,IAAI,IAAM,SAAUE,GAClB,OAAOA'
};
exports.testMapWithSourcesContent = {
version: 3,
file: 'min.js',
names: ['bar', 'baz', 'n'],
sources: ['one.js', 'two.js'],
sourcesContent: [
' ONE.foo = function (bar) {\n' +
' return baz(bar);\n' +
' };',
' TWO.inc = function (n) {\n' +
' return n + 1;\n' +
' };'
],
sourceRoot: '/the/root',
mappings: 'CAAC,IAAI,IAAM,SAAUA,GAClB,OAAOC,IAAID;CCDb,IAAI,IAAM,SAAUE,GAClB,OAAOA'
};
exports.testMapRelativeSources = {
version: 3,
file: 'min.js',
names: ['bar', 'baz', 'n'],
sources: ['./one.js', './two.js'],
sourcesContent: [
' ONE.foo = function (bar) {\n' +
' return baz(bar);\n' +
' };',
' TWO.inc = function (n) {\n' +
' return n + 1;\n' +
' };'
],
sourceRoot: '/the/root',
mappings: 'CAAC,IAAI,IAAM,SAAUA,GAClB,OAAOC,IAAID;CCDb,IAAI,IAAM,SAAUE,GAClB,OAAOA'
};
exports.emptyMap = {
version: 3,
file: 'min.js',
names: [],
sources: [],
mappings: ''
};
function assertMapping(generatedLine, generatedColumn, originalSource,
originalLine, originalColumn, name, map, assert,
dontTestGenerated, dontTestOriginal) {
if (!dontTestOriginal) {
var origMapping = map.originalPositionFor({
line: generatedLine,
column: generatedColumn
});
assert.equal(origMapping.name, name,
'Incorrect name, expected ' + JSON.stringify(name)
+ ', got ' + JSON.stringify(origMapping.name));
assert.equal(origMapping.line, originalLine,
'Incorrect line, expected ' + JSON.stringify(originalLine)
+ ', got ' + JSON.stringify(origMapping.line));
assert.equal(origMapping.column, originalColumn,
'Incorrect column, expected ' + JSON.stringify(originalColumn)
+ ', got ' + JSON.stringify(origMapping.column));
var expectedSource;
if (originalSource && map.sourceRoot && originalSource.indexOf(map.sourceRoot) === 0) {
expectedSource = originalSource;
} else if (originalSource) {
expectedSource = map.sourceRoot
? util.join(map.sourceRoot, originalSource)
: originalSource;
} else {
expectedSource = null;
}
assert.equal(origMapping.source, expectedSource,
'Incorrect source, expected ' + JSON.stringify(expectedSource)
+ ', got ' + JSON.stringify(origMapping.source));
}
if (!dontTestGenerated) {
var genMapping = map.generatedPositionFor({
source: originalSource,
line: originalLine,
column: originalColumn
});
assert.equal(genMapping.line, generatedLine,
'Incorrect line, expected ' + JSON.stringify(generatedLine)
+ ', got ' + JSON.stringify(genMapping.line));
assert.equal(genMapping.column, generatedColumn,
'Incorrect column, expected ' + JSON.stringify(generatedColumn)
+ ', got ' + JSON.stringify(genMapping.column));
}
}
exports.assertMapping = assertMapping;
function assertEqualMaps(assert, actualMap, expectedMap) {
assert.equal(actualMap.version, expectedMap.version, "version mismatch");
assert.equal(actualMap.file, expectedMap.file, "file mismatch");
assert.equal(actualMap.names.length,
expectedMap.names.length,
"names length mismatch: " +
actualMap.names.join(", ") + " != " + expectedMap.names.join(", "));
for (var i = 0; i < actualMap.names.length; i++) {
assert.equal(actualMap.names[i],
expectedMap.names[i],
"names[" + i + "] mismatch: " +
actualMap.names.join(", ") + " != " + expectedMap.names.join(", "));
}
assert.equal(actualMap.sources.length,
expectedMap.sources.length,
"sources length mismatch: " +
actualMap.sources.join(", ") + " != " + expectedMap.sources.join(", "));
for (var i = 0; i < actualMap.sources.length; i++) {
assert.equal(actualMap.sources[i],
expectedMap.sources[i],
"sources[" + i + "] length mismatch: " +
actualMap.sources.join(", ") + " != " + expectedMap.sources.join(", "));
}
assert.equal(actualMap.sourceRoot,
expectedMap.sourceRoot,
"sourceRoot mismatch: " +
actualMap.sourceRoot + " != " + expectedMap.sourceRoot);
assert.equal(actualMap.mappings, expectedMap.mappings,
"mappings mismatch:\nActual: " + actualMap.mappings + "\nExpected: " + expectedMap.mappings);
if (actualMap.sourcesContent) {
assert.equal(actualMap.sourcesContent.length,
expectedMap.sourcesContent.length,
"sourcesContent length mismatch");
for (var i = 0; i < actualMap.sourcesContent.length; i++) {
assert.equal(actualMap.sourcesContent[i],
expectedMap.sourcesContent[i],
"sourcesContent[" + i + "] mismatch");
}
}
}
exports.assertEqualMaps = assertEqualMaps;
});