mirror of
https://github.com/gradle/gradle-build-action.git
synced 2024-12-27 18:36:18 +08:00
315 lines
12 KiB
JavaScript
315 lines
12 KiB
JavaScript
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"use strict";
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module.exports = function(Promise, INTERNAL) {
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var THIS = {};
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var util = require("./util");
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var nodebackForPromise = require("./nodeback");
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var withAppended = util.withAppended;
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var maybeWrapAsError = util.maybeWrapAsError;
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var canEvaluate = util.canEvaluate;
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var TypeError = require("./errors").TypeError;
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var defaultSuffix = "Async";
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var defaultPromisified = {__isPromisified__: true};
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var noCopyProps = [
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"arity", "length",
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"name",
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"arguments",
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"caller",
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"callee",
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"prototype",
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"__isPromisified__"
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];
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var noCopyPropsPattern = new RegExp("^(?:" + noCopyProps.join("|") + ")$");
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var defaultFilter = function(name) {
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return util.isIdentifier(name) &&
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name.charAt(0) !== "_" &&
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name !== "constructor";
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};
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function propsFilter(key) {
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return !noCopyPropsPattern.test(key);
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}
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function isPromisified(fn) {
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try {
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return fn.__isPromisified__ === true;
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}
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catch (e) {
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return false;
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}
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}
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function hasPromisified(obj, key, suffix) {
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var val = util.getDataPropertyOrDefault(obj, key + suffix,
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defaultPromisified);
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return val ? isPromisified(val) : false;
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}
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function checkValid(ret, suffix, suffixRegexp) {
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for (var i = 0; i < ret.length; i += 2) {
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var key = ret[i];
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if (suffixRegexp.test(key)) {
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var keyWithoutAsyncSuffix = key.replace(suffixRegexp, "");
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for (var j = 0; j < ret.length; j += 2) {
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if (ret[j] === keyWithoutAsyncSuffix) {
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throw new TypeError("Cannot promisify an API that has normal methods with '%s'-suffix\u000a\u000a See http://goo.gl/MqrFmX\u000a"
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.replace("%s", suffix));
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}
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}
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}
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}
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}
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function promisifiableMethods(obj, suffix, suffixRegexp, filter) {
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var keys = util.inheritedDataKeys(obj);
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var ret = [];
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for (var i = 0; i < keys.length; ++i) {
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var key = keys[i];
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var value = obj[key];
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var passesDefaultFilter = filter === defaultFilter
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? true : defaultFilter(key, value, obj);
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if (typeof value === "function" &&
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!isPromisified(value) &&
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!hasPromisified(obj, key, suffix) &&
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filter(key, value, obj, passesDefaultFilter)) {
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ret.push(key, value);
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}
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}
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checkValid(ret, suffix, suffixRegexp);
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return ret;
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}
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var escapeIdentRegex = function(str) {
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return str.replace(/([$])/, "\\$");
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};
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var makeNodePromisifiedEval;
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if (!false) {
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var switchCaseArgumentOrder = function(likelyArgumentCount) {
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var ret = [likelyArgumentCount];
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var min = Math.max(0, likelyArgumentCount - 1 - 3);
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for(var i = likelyArgumentCount - 1; i >= min; --i) {
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ret.push(i);
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}
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for(var i = likelyArgumentCount + 1; i <= 3; ++i) {
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ret.push(i);
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}
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return ret;
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};
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var argumentSequence = function(argumentCount) {
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return util.filledRange(argumentCount, "_arg", "");
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};
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var parameterDeclaration = function(parameterCount) {
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return util.filledRange(
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Math.max(parameterCount, 3), "_arg", "");
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};
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var parameterCount = function(fn) {
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if (typeof fn.length === "number") {
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return Math.max(Math.min(fn.length, 1023 + 1), 0);
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}
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return 0;
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};
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makeNodePromisifiedEval =
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function(callback, receiver, originalName, fn, _, multiArgs) {
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var newParameterCount = Math.max(0, parameterCount(fn) - 1);
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var argumentOrder = switchCaseArgumentOrder(newParameterCount);
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var shouldProxyThis = typeof callback === "string" || receiver === THIS;
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function generateCallForArgumentCount(count) {
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var args = argumentSequence(count).join(", ");
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var comma = count > 0 ? ", " : "";
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var ret;
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if (shouldProxyThis) {
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ret = "ret = callback.call(this, {{args}}, nodeback); break;\n";
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} else {
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ret = receiver === undefined
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? "ret = callback({{args}}, nodeback); break;\n"
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: "ret = callback.call(receiver, {{args}}, nodeback); break;\n";
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}
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return ret.replace("{{args}}", args).replace(", ", comma);
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}
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function generateArgumentSwitchCase() {
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var ret = "";
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for (var i = 0; i < argumentOrder.length; ++i) {
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ret += "case " + argumentOrder[i] +":" +
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generateCallForArgumentCount(argumentOrder[i]);
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}
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ret += " \n\
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default: \n\
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var args = new Array(len + 1); \n\
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var i = 0; \n\
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for (var i = 0; i < len; ++i) { \n\
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args[i] = arguments[i]; \n\
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} \n\
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args[i] = nodeback; \n\
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[CodeForCall] \n\
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break; \n\
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".replace("[CodeForCall]", (shouldProxyThis
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? "ret = callback.apply(this, args);\n"
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: "ret = callback.apply(receiver, args);\n"));
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return ret;
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}
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var getFunctionCode = typeof callback === "string"
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? ("this != null ? this['"+callback+"'] : fn")
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: "fn";
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var body = "'use strict'; \n\
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var ret = function (Parameters) { \n\
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'use strict'; \n\
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var len = arguments.length; \n\
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var promise = new Promise(INTERNAL); \n\
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promise._captureStackTrace(); \n\
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var nodeback = nodebackForPromise(promise, " + multiArgs + "); \n\
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var ret; \n\
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var callback = tryCatch([GetFunctionCode]); \n\
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switch(len) { \n\
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[CodeForSwitchCase] \n\
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} \n\
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if (ret === errorObj) { \n\
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promise._rejectCallback(maybeWrapAsError(ret.e), true, true);\n\
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} \n\
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if (!promise._isFateSealed()) promise._setAsyncGuaranteed(); \n\
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return promise; \n\
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}; \n\
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notEnumerableProp(ret, '__isPromisified__', true); \n\
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return ret; \n\
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".replace("[CodeForSwitchCase]", generateArgumentSwitchCase())
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.replace("[GetFunctionCode]", getFunctionCode);
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body = body.replace("Parameters", parameterDeclaration(newParameterCount));
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return new Function("Promise",
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"fn",
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"receiver",
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"withAppended",
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"maybeWrapAsError",
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"nodebackForPromise",
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"tryCatch",
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"errorObj",
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"notEnumerableProp",
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"INTERNAL",
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body)(
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Promise,
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fn,
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receiver,
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withAppended,
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maybeWrapAsError,
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nodebackForPromise,
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util.tryCatch,
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util.errorObj,
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util.notEnumerableProp,
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INTERNAL);
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};
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}
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function makeNodePromisifiedClosure(callback, receiver, _, fn, __, multiArgs) {
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var defaultThis = (function() {return this;})();
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var method = callback;
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if (typeof method === "string") {
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callback = fn;
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}
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function promisified() {
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var _receiver = receiver;
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if (receiver === THIS) _receiver = this;
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var promise = new Promise(INTERNAL);
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promise._captureStackTrace();
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var cb = typeof method === "string" && this !== defaultThis
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? this[method] : callback;
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var fn = nodebackForPromise(promise, multiArgs);
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try {
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cb.apply(_receiver, withAppended(arguments, fn));
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} catch(e) {
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promise._rejectCallback(maybeWrapAsError(e), true, true);
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}
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if (!promise._isFateSealed()) promise._setAsyncGuaranteed();
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return promise;
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}
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util.notEnumerableProp(promisified, "__isPromisified__", true);
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return promisified;
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}
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var makeNodePromisified = canEvaluate
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? makeNodePromisifiedEval
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: makeNodePromisifiedClosure;
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function promisifyAll(obj, suffix, filter, promisifier, multiArgs) {
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var suffixRegexp = new RegExp(escapeIdentRegex(suffix) + "$");
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var methods =
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promisifiableMethods(obj, suffix, suffixRegexp, filter);
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for (var i = 0, len = methods.length; i < len; i+= 2) {
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var key = methods[i];
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var fn = methods[i+1];
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var promisifiedKey = key + suffix;
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if (promisifier === makeNodePromisified) {
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obj[promisifiedKey] =
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makeNodePromisified(key, THIS, key, fn, suffix, multiArgs);
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} else {
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var promisified = promisifier(fn, function() {
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return makeNodePromisified(key, THIS, key,
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fn, suffix, multiArgs);
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});
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util.notEnumerableProp(promisified, "__isPromisified__", true);
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obj[promisifiedKey] = promisified;
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}
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}
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util.toFastProperties(obj);
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return obj;
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}
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function promisify(callback, receiver, multiArgs) {
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return makeNodePromisified(callback, receiver, undefined,
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callback, null, multiArgs);
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}
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Promise.promisify = function (fn, options) {
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if (typeof fn !== "function") {
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throw new TypeError("expecting a function but got " + util.classString(fn));
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}
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if (isPromisified(fn)) {
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return fn;
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}
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options = Object(options);
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var receiver = options.context === undefined ? THIS : options.context;
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var multiArgs = !!options.multiArgs;
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var ret = promisify(fn, receiver, multiArgs);
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util.copyDescriptors(fn, ret, propsFilter);
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return ret;
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};
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Promise.promisifyAll = function (target, options) {
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if (typeof target !== "function" && typeof target !== "object") {
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throw new TypeError("the target of promisifyAll must be an object or a function\u000a\u000a See http://goo.gl/MqrFmX\u000a");
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}
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options = Object(options);
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var multiArgs = !!options.multiArgs;
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var suffix = options.suffix;
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if (typeof suffix !== "string") suffix = defaultSuffix;
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var filter = options.filter;
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if (typeof filter !== "function") filter = defaultFilter;
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var promisifier = options.promisifier;
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if (typeof promisifier !== "function") promisifier = makeNodePromisified;
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if (!util.isIdentifier(suffix)) {
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throw new RangeError("suffix must be a valid identifier\u000a\u000a See http://goo.gl/MqrFmX\u000a");
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}
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var keys = util.inheritedDataKeys(target);
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for (var i = 0; i < keys.length; ++i) {
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var value = target[keys[i]];
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if (keys[i] !== "constructor" &&
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util.isClass(value)) {
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promisifyAll(value.prototype, suffix, filter, promisifier,
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multiArgs);
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promisifyAll(value, suffix, filter, promisifier, multiArgs);
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}
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}
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return promisifyAll(target, suffix, filter, promisifier, multiArgs);
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};
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};
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