def codeToCode(py):
t = Transformer(pj.transformations, pj.js_ast.JSStatements)
jsAst = t.transformCode(py)
js = '%s\n%s' % ('\n'.join(t.snippets), str(jsAst))
names = set(topLevelNamesInBody(ast.parse(py).body))
if len(names) > 0:
js = 'var %s;\n\n%s' % (', '.join(names), js)
return js
def codeToCode(py):
t = Transformer(pj.transformations, pj.js_ast.JSStatements)
jsAst = t.transformCode(py)
js = '%s\n%s' % ('\n'.join(t.snippets), str(jsAst))
names = set(topLevelNamesInBody(ast.parse(py).body))
if len(names) > 0:
js = 'var %s;\n\n%s' % (
', '.join(names),
js)
return js
def buildBundle(mainModule, path=None, createSourceMap=False, includeSource=False, prependJs=None):
assert path
t = Transformer(pj.transformations, pj.js_ast.JSStatements)
sourcePath = SourcePath(path)
modules = orderedModules(sourcePath, mainModule)
jsArr = []
topLevelNames = set()
linemaps = []
mappings = []
sourceDict = {}
i = 0
for module in modules:
fileKey = str(i)
i += 1
codePath = sourcePath.pathForModule(module)
with open(codePath, 'rb') as f:
py = str(f.read(), 'utf-8')
sourceDict[fileKey] = {
'path': codePath,
'code': py,
'module': module,
}
if codePath.endswith('.js'):
js = py
else:
# Load the top-level names and confirm they're distinct
for name in topLevelNamesInBody(ast.parse(py).body):
assert name not in topLevelNames
topLevelNames.add(name)
# py → js
jsAst = t.transformCode(py)
if createSourceMap:
sm = SourceMap(fileKey, nextMappingId=len(mappings))
sm.handleNode(jsAst)
js = sm.getCode() + '\n'
assert len(sm.linemaps) == len(js.split('\n')) - 1
linemaps += sm.linemaps
mappings += sm.mappings
else:
js = str(jsAst)
jsArr.append(js)
if len(topLevelNames) > 0:
varJs = 'var %s;' % ', '.join(list(topLevelNames))
else:
varJs = ''
jsPrefix = ''.join([
(prependJs + '\n\n') if prependJs is not None else '',
'(function(){\n\n',
'\n'.join(t.snippets), '\n\n',
varJs, '\n\n'])
jsSuffix = '\n\n})();'
linemaps = (
[([-1] * (len(s) + 2)) for s in jsPrefix.split('\n')[:-1]] +
linemaps[:-1] +
[([-1] * (len(s) + 2)) for s in jsPrefix.split('\n')])
js = ''.join([
jsPrefix,
''.join(jsArr),
jsSuffix])
info = {
'js': js,
}
if createSourceMap:
info['sourceMap'] = exportSourceMap(linemaps, mappings, sourceDict)
if includeSource:
info['sourceDict'] = dict(
(
sourceDict[k]['module'],
sourceDict[k])
for k in sourceDict)
return info
def buildBundle(mainModule,
path=None,
createSourceMap=False,
includeSource=False,
prependJs=None):
assert path
t = Transformer(pj.transformations, pj.js_ast.JSStatements)
sourcePath = SourcePath(path)
modules = orderedModules(sourcePath, mainModule)
jsArr = []
topLevelNames = set()
linemaps = []
mappings = []
sourceDict = {}
i = 0
for module in modules:
fileKey = str(i)
i += 1
codePath = sourcePath.pathForModule(module)
with open(codePath, 'rb') as f:
py = str(f.read(), 'utf-8')
sourceDict[fileKey] = {
'path': codePath,
'code': py,
'module': module,
}
if codePath.endswith('.js'):
js = py
else:
# Load the top-level names and confirm they're distinct
for name in topLevelNamesInBody(ast.parse(py).body):
assert name not in topLevelNames
topLevelNames.add(name)
# py → js
jsAst = t.transformCode(py)
if createSourceMap:
sm = SourceMap(fileKey, nextMappingId=len(mappings))
sm.handleNode(jsAst)
js = sm.getCode() + '\n'
assert len(sm.linemaps) == len(js.split('\n')) - 1
linemaps += sm.linemaps
mappings += sm.mappings
else:
js = str(jsAst)
jsArr.append(js)
if len(topLevelNames) > 0:
varJs = 'var %s;' % ', '.join(list(topLevelNames))
else:
varJs = ''
jsPrefix = ''.join([(prependJs + '\n\n') if prependJs is not None else '',
'(function(){\n\n', '\n'.join(t.snippets), '\n\n',
varJs, '\n\n'])
jsSuffix = '\n\n})();'
linemaps = ([([-1] * (len(s) + 2)) for s in jsPrefix.split('\n')[:-1]] +
linemaps[:-1] + [([-1] * (len(s) + 2))
for s in jsPrefix.split('\n')])
js = ''.join([jsPrefix, ''.join(jsArr), jsSuffix])
info = {
'js': js,
}
if createSourceMap:
info['sourceMap'] = exportSourceMap(linemaps, mappings, sourceDict)
if includeSource:
info['sourceDict'] = dict(
(sourceDict[k]['module'], sourceDict[k]) for k in sourceDict)
return info