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return if global.testingBrowser
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]
eqJson = (a, b) ->
eq (JSON.stringify JSON.parse a), (JSON.stringify JSON.parse b)
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"}
eqJson testWithFilenames, '{"version":3,"file":"source.js","sourceRoot":"","sources":["source.coffee"],"names":[],"mappings":"AAAA;;IACK,GAAC,CAAG;IAET"}'
eqJson map.generate(), '{"version":3,"file":"","sourceRoot":"","sources":[""],"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]
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