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315 lines
9.9 KiB
JavaScript
315 lines
9.9 KiB
JavaScript
'use strict';
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/*jshint asi: true*/
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var test = require('tap').test
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var generator = require('..');
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var foo = '' + function foo () {
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var hello = 'hello';
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var world = 'world';
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console.log('%s %s', hello, world);
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}
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var bar = '' + function bar () {
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console.log('yes?');
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}
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function decode(base64) {
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return new Buffer(base64, 'base64').toString();
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}
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function inspect(obj, depth) {
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console.error(require('util').inspect(obj, false, depth || 5, true));
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}
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test('generated mappings', function (t) {
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t.test('one file no offset', function (t) {
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var gen = generator()
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.addGeneratedMappings('foo.js', foo)
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t.deepEqual(
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gen._mappings()
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, [ { generatedLine: 1,
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generatedColumn: 0,
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originalLine: 1,
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originalColumn: 0,
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source: 'foo.js',
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name: null },
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{ generatedLine: 2,
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generatedColumn: 0,
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originalLine: 2,
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originalColumn: 0,
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source: 'foo.js',
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name: null },
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{ generatedLine: 3,
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generatedColumn: 0,
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originalLine: 3,
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originalColumn: 0,
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source: 'foo.js',
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name: null },
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{ generatedLine: 4,
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generatedColumn: 0,
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originalLine: 4,
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originalColumn: 0,
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source: 'foo.js',
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name: null },
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{ generatedLine: 5,
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generatedColumn: 0,
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originalLine: 5,
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originalColumn: 0,
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source: 'foo.js',
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name: null } ]
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, 'generates correct mappings'
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)
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t.deepEqual(
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decode(gen.base64Encode())
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, '{"version":3,"sources":["foo.js"],"names":[],"mappings":"AAAA;AACA;AACA;AACA;AACA","file":"","sourceRoot":""}'
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, 'encodes generated mappings'
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)
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t.equal(
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gen.inlineMappingUrl()
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, '//# sourceMappingURL=data:application/json;base64,eyJ2ZXJzaW9uIjozLCJzb3VyY2VzIjpbImZvby5qcyJdLCJuYW1lcyI6W10sIm1hcHBpbmdzIjoiQUFBQTtBQUNBO0FBQ0E7QUFDQTtBQUNBIiwiZmlsZSI6IiIsInNvdXJjZVJvb3QiOiIifQ=='
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, 'returns correct inline mapping url'
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)
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t.end()
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})
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t.test('two files no offset', function (t) {
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var gen = generator()
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.addGeneratedMappings('foo.js', foo)
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.addGeneratedMappings('bar.js', bar)
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t.deepEqual(
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gen._mappings()
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, [ { generatedLine: 1,
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generatedColumn: 0,
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originalLine: 1,
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originalColumn: 0,
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source: 'foo.js',
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name: null },
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{ generatedLine: 2,
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generatedColumn: 0,
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originalLine: 2,
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originalColumn: 0,
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source: 'foo.js',
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name: null },
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{ generatedLine: 3,
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generatedColumn: 0,
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originalLine: 3,
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originalColumn: 0,
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source: 'foo.js',
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name: null },
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{ generatedLine: 4,
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generatedColumn: 0,
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originalLine: 4,
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originalColumn: 0,
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source: 'foo.js',
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name: null },
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{ generatedLine: 5,
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generatedColumn: 0,
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originalLine: 5,
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originalColumn: 0,
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source: 'foo.js',
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name: null },
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{ generatedLine: 1,
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generatedColumn: 0,
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originalLine: 1,
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originalColumn: 0,
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source: 'bar.js',
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name: null },
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{ generatedLine: 2,
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generatedColumn: 0,
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originalLine: 2,
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originalColumn: 0,
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source: 'bar.js',
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name: null },
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{ generatedLine: 3,
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generatedColumn: 0,
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originalLine: 3,
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originalColumn: 0,
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source: 'bar.js',
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name: null } ]
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, 'generates correct mappings'
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)
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t.deepEqual(
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decode(gen.base64Encode())
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, '{"version":3,"sources":["foo.js","bar.js"],"names":[],"mappings":"ACAA,ADAA;ACCA,ADAA;ACCA,ADAA;AACA;AACA","file":"","sourceRoot":""}'
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, 'encodes generated mappings'
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)
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t.equal(
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gen.inlineMappingUrl()
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, '//# sourceMappingURL=data:application/json;base64,eyJ2ZXJzaW9uIjozLCJzb3VyY2VzIjpbImZvby5qcyIsImJhci5qcyJdLCJuYW1lcyI6W10sIm1hcHBpbmdzIjoiQUNBQSxBREFBO0FDQ0EsQURBQTtBQ0NBLEFEQUE7QUFDQTtBQUNBIiwiZmlsZSI6IiIsInNvdXJjZVJvb3QiOiIifQ=='
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, 'returns correct inline mapping url'
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)
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t.end()
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})
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t.test('one line source', function (t) {
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var gen = generator().addGeneratedMappings('one-liner.js', 'console.log("line one");')
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t.deepEqual(
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gen._mappings()
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, [ { generatedLine: 1,
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generatedColumn: 0,
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originalLine: 1,
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originalColumn: 0,
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source: 'one-liner.js',
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name: null } ]
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, 'generates correct mappings'
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)
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t.end()
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})
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t.test('with offset', function (t) {
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var gen = generator()
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.addGeneratedMappings('foo.js', foo, { line: 20 })
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.addGeneratedMappings('bar.js', bar, { line: 23, column: 22 })
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t.deepEqual(
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gen._mappings()
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, [ { generatedLine: 21,
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generatedColumn: 0,
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originalLine: 1,
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originalColumn: 0,
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source: 'foo.js',
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name: null },
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{ generatedLine: 22,
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generatedColumn: 0,
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originalLine: 2,
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originalColumn: 0,
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source: 'foo.js',
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name: null },
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{ generatedLine: 23,
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generatedColumn: 0,
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originalLine: 3,
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originalColumn: 0,
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source: 'foo.js',
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name: null },
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{ generatedLine: 24,
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generatedColumn: 0,
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originalLine: 4,
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originalColumn: 0,
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source: 'foo.js',
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name: null },
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{ generatedLine: 25,
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generatedColumn: 0,
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originalLine: 5,
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originalColumn: 0,
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source: 'foo.js',
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name: null },
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{ generatedLine: 24,
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generatedColumn: 22,
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originalLine: 1,
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originalColumn: 0,
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source: 'bar.js',
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name: null },
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{ generatedLine: 25,
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generatedColumn: 22,
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originalLine: 2,
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originalColumn: 0,
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source: 'bar.js',
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name: null },
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{ generatedLine: 26,
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generatedColumn: 22,
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originalLine: 3,
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originalColumn: 0,
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source: 'bar.js',
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name: null } ]
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, 'generates correct mappings'
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)
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t.equal(
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decode(gen.base64Encode())
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, '{"version":3,"sources":["foo.js","bar.js"],"names":[],"mappings":";;;;;;;;;;;;;;;;;;;;AAAA;AACA;AACA;AACA,sBCHA;ADIA,sBCHA;sBACA","file":"","sourceRoot":""}'
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, 'encodes generated mappings with offset'
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)
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t.end()
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})
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})
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test('given mappings, with one having no original', function (t) {
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t.test('no offset', function (t) {
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var gen = generator()
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.addMappings('foo.js', [{ original: { line: 2, column: 3 } , generated: { line: 5, column: 10 } }])
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// This addresses an edgecase in which a transpiler generates mappings but doesn't include the original position.
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// If we set source to sourceFile (as usual) in that case, the mappings are considered invalid by the source-map module's
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// SourceMapGenerator. Keeping source undefined fixes this problem.
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// Raised issue: https://github.com/thlorenz/inline-source-map/issues/2
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// Validate function: https://github.com/mozilla/source-map/blob/a3372ea78e662582087dd25ebda999c06424e047/lib/source-map/source-map-generator.js#L232
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.addMappings('bar.js', [
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{ original: { line: 6, column: 0 } , generated: { line: 7, column: 20 } }
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, { generated: { line: 8, column: 30 } }
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])
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t.deepEqual(
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gen._mappings()
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, [ { generatedLine: 5,
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generatedColumn: 10,
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originalLine: 2,
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originalColumn: 3,
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source: 'foo.js',
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name: null },
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{ generatedLine: 7,
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generatedColumn: 20,
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originalLine: 6,
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originalColumn: 0,
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source: 'bar.js',
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name: null },
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{ generatedLine: 8,
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generatedColumn: 30,
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originalLine: false,
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originalColumn: false,
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source: undefined,
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name: null } ]
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, 'adds correct mappings'
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)
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t.deepEqual(
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decode(gen.base64Encode())
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, '{"version":3,"sources":["foo.js","bar.js"],"names":[],"mappings":";;;;UACG;;oBCIH;8B","file":"","sourceRoot":""}'
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, 'encodes generated mappings'
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)
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t.equal(
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gen.inlineMappingUrl()
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, '//# sourceMappingURL=data:application/json;base64,eyJ2ZXJzaW9uIjozLCJzb3VyY2VzIjpbImZvby5qcyIsImJhci5qcyJdLCJuYW1lcyI6W10sIm1hcHBpbmdzIjoiOzs7O1VBQ0c7O29CQ0lIOzhCIiwiZmlsZSI6IiIsInNvdXJjZVJvb3QiOiIifQ=='
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, 'returns correct inline mapping url'
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)
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t.end()
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})
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t.test('with offset', function (t) {
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var gen = generator()
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.addMappings('foo.js', [{ original: { line: 2, column: 3 } , generated: { line: 5, column: 10 } }], { line: 5 })
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.addMappings('bar.js', [{ original: { line: 6, column: 0 } , generated: { line: 7, column: 20 } }, { generated: { line: 8, column: 30 } }], { line: 9, column: 3 })
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t.deepEqual(
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gen._mappings()
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, [ { generatedLine: 10,
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generatedColumn: 10,
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originalLine: 2,
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originalColumn: 3,
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source: 'foo.js',
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name: null },
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{ generatedLine: 16,
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generatedColumn: 23,
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originalLine: 6,
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originalColumn: 0,
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source: 'bar.js',
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name: null },
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{ generatedLine: 17,
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generatedColumn: 33,
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originalLine: false,
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originalColumn: false,
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source: undefined,
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name: null } ]
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, 'adds correct mappings'
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)
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t.equal(
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decode(gen.base64Encode())
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, '{\"version\":3,\"sources\":[\"foo.js\",\"bar.js\"],\"names\":[],\"mappings\":\";;;;;;;;;UACG;;;;;;uBCIH;iC\",\"file\":\"\",\"sourceRoot\":\"\"}'
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, 'encodes mappings with offset'
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)
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t.end()
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})
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});
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