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|
return if global.testingBrowser
{spawn, fork} = require('child_process')
SourceMap = require '../src/sourcemap'
vlqEncodedValues = [
[1, 'C'],
[-1, 'D'],
[2, 'E'],
[-2, 'F'],
[0, 'A'],
[16, 'gB'],
[948, 'o7B']
]
test "encodeVlq tests", ->
for pair in vlqEncodedValues
eq ((new SourceMap).encodeVlq pair[0]), pair[1]
test "SourceMap tests", ->
map = new SourceMap
map.add [0, 0], [0, 0]
map.add [1, 5], [2, 4]
map.add [1, 6], [2, 7]
map.add [1, 9], [2, 8]
map.add [3, 0], [3, 4]
testWithFilenames = map.generate {
sourceRoot: ''
sourceFiles: ['source.coffee']
generatedFile: 'source.js'
}
deepEqual testWithFilenames, {
version: 3
file: 'source.js'
sourceRoot: ''
sources: ['source.coffee']
names: []
mappings: 'AAAA;;IACK,GAAC,CAAG;IAET'
}
deepEqual map.generate(), {
version: 3
file: ''
sourceRoot: ''
sources: ['<anonymous>']
names: []
mappings: 'AAAA;;IACK,GAAC,CAAG;IAET'
}
# Look up a generated column - should get back the original source position.
arrayEq map.sourceLocation([2,8]), [1,9]
# Look up a point further along on the same line - should get back the same source position.
arrayEq map.sourceLocation([2,10]), [1,9]
test "#3075: v3 source map fields", ->
{ js, v3SourceMap, sourceMap } = CoffeeScript.compile 'console.log Date.now()',
filename: 'tempus_fugit.coffee'
sourceMap: yes
sourceRoot: './www_root/coffee/'
v3SourceMap = JSON.parse v3SourceMap
arrayEq v3SourceMap.sources, ['tempus_fugit.coffee']
eq v3SourceMap.sourceRoot, './www_root/coffee/'
test "node --enable-source-map built in stack trace mapping", ->
new Promise (resolve, reject) ->
proc = fork './test/importing/error.coffee', [
'--enable-source-maps'
], stdio: 'pipe'
err = ''
proc.stderr.setEncoding 'utf8'
proc.stderr.on 'data', (str) -> err += str
proc.on 'close', ->
try
match = err.match /error\.coffee:(\d+):(\d+)/
throw new Error err unless match
[_, line, column] = match
equal line, 3 # Mapped source line
equal column, 9 # Mapped source column
resolve()
catch exception
reject exception
if Number(process.versions.node.split('.')[0]) >= 14
test "NODE_OPTIONS=--enable-source-maps environment variable stack trace mapping", ->
new Promise (resolve, reject) ->
proc = fork './test/importing/error.coffee', [],
env:
NODE_OPTIONS: '--enable-source-maps'
stdio: 'pipe'
err = ''
proc.stderr.setEncoding 'utf8'
proc.stderr.on 'data', (str) -> err += str
proc.on 'close', ->
try
match = err.match /error\.coffee:(\d+):(\d+)/
throw new Error err unless match
[_, line, column] = match
equal line, 3 # Mapped source line
equal column, 9 # Mapped source column
resolve()
catch exception
reject exception
test "generate correct stack traces with --enable-source-maps from bin/coffee", ->
new Promise (resolve, reject) ->
proc = fork 'test/importing/error.coffee',
['--enable-source-maps'],
stdio: 'pipe'
err = ""
proc.stderr.setEncoding 'utf8'
proc.stderr.on 'data', (str) -> err += str
proc.on 'close', ->
try
match = err.match /error\.coffee:(\d+):(\d+)/
throw new Error err unless match
[_, line, column] = match
equal line, 3 # Mapped source line
equal column, 9 # Mapped source column
resolve()
catch exception
reject exception
test "don't change stack traces if another library has patched `Error.prepareStackTrace`", ->
new Promise (resolve, reject) ->
# This uses `spawn` rather than the preferred `fork` because `fork` requires
# loading code in a separate file. The `--eval` here shows exactly what is
# executing without indirection.
proc = spawn 'node', [
'--eval', """
const patchedPrepareStackTrace = Error.prepareStackTrace = function() {};
require('./register.js');
process.stdout.write(Error.prepareStackTrace === patchedPrepareStackTrace ? 'preserved' : 'overwritten');
"""
]
out = ''
proc.stdout.setEncoding 'utf8'
proc.stdout.on 'data', (str) -> out += str
proc.on 'close', (status) ->
try
equal status, 0
equal out, 'preserved'
resolve()
catch exception
reject exception
test "requiring 'CoffeeScript' doesn't change `Error.prepareStackTrace`", ->
new Promise (resolve, reject) ->
# This uses `spawn` rather than the preferred `fork` because `fork` requires
# loading code in a separate file. The `--eval` here shows exactly what is
# executing without indirection.
proc = spawn 'node', [
'--eval', """
require('./lib/coffeescript/coffeescript.js');
process.stdout.write(Error.prepareStackTrace === undefined || Error.prepareStackTrace.name == "ErrorPrepareStackTrace" ? 'unused' : 'defined');
"""
]
out = ''
proc.stdout.setEncoding 'utf8'
proc.stdout.on 'data', (str) -> out += str
proc.on 'close', (status) ->
try
equal status, 0
equal out, 'unused'
resolve()
catch exception
reject exception
|
