diff options
author | Florian Dold <florian.dold@gmail.com> | 2017-05-03 15:35:00 +0200 |
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committer | Florian Dold <florian.dold@gmail.com> | 2017-05-03 15:35:00 +0200 |
commit | de98e0b232509d5f40c135d540a70e415272ff85 (patch) | |
tree | a79222a5b58484ab3b80d18efcaaa7ccc4769b33 /node_modules/depd/lib/compat/callsite-tostring.js | |
parent | e0c9d480a73fa629c1e4a47d3e721f1d2d345406 (diff) |
node_modules
Diffstat (limited to 'node_modules/depd/lib/compat/callsite-tostring.js')
-rw-r--r-- | node_modules/depd/lib/compat/callsite-tostring.js | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/node_modules/depd/lib/compat/callsite-tostring.js b/node_modules/depd/lib/compat/callsite-tostring.js new file mode 100644 index 000000000..9ecef3466 --- /dev/null +++ b/node_modules/depd/lib/compat/callsite-tostring.js @@ -0,0 +1,103 @@ +/*! + * depd + * Copyright(c) 2014 Douglas Christopher Wilson + * MIT Licensed + */ + +'use strict' + +/** + * Module exports. + */ + +module.exports = callSiteToString + +/** + * Format a CallSite file location to a string. + */ + +function callSiteFileLocation(callSite) { + var fileName + var fileLocation = '' + + if (callSite.isNative()) { + fileLocation = 'native' + } else if (callSite.isEval()) { + fileName = callSite.getScriptNameOrSourceURL() + if (!fileName) { + fileLocation = callSite.getEvalOrigin() + } + } else { + fileName = callSite.getFileName() + } + + if (fileName) { + fileLocation += fileName + + var lineNumber = callSite.getLineNumber() + if (lineNumber != null) { + fileLocation += ':' + lineNumber + + var columnNumber = callSite.getColumnNumber() + if (columnNumber) { + fileLocation += ':' + columnNumber + } + } + } + + return fileLocation || 'unknown source' +} + +/** + * Format a CallSite to a string. + */ + +function callSiteToString(callSite) { + var addSuffix = true + var fileLocation = callSiteFileLocation(callSite) + var functionName = callSite.getFunctionName() + var isConstructor = callSite.isConstructor() + var isMethodCall = !(callSite.isToplevel() || isConstructor) + var line = '' + + if (isMethodCall) { + var methodName = callSite.getMethodName() + var typeName = getConstructorName(callSite) + + if (functionName) { + if (typeName && functionName.indexOf(typeName) !== 0) { + line += typeName + '.' + } + + line += functionName + + if (methodName && functionName.lastIndexOf('.' + methodName) !== functionName.length - methodName.length - 1) { + line += ' [as ' + methodName + ']' + } + } else { + line += typeName + '.' + (methodName || '<anonymous>') + } + } else if (isConstructor) { + line += 'new ' + (functionName || '<anonymous>') + } else if (functionName) { + line += functionName + } else { + addSuffix = false + line += fileLocation + } + + if (addSuffix) { + line += ' (' + fileLocation + ')' + } + + return line +} + +/** + * Get constructor name of reviver. + */ + +function getConstructorName(obj) { + var receiver = obj.receiver + return (receiver.constructor && receiver.constructor.name) || null +} |