96 lines
2.5 KiB
JavaScript
96 lines
2.5 KiB
JavaScript
getJasmineRequireObj().util = function(j$) {
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const util = {};
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util.isUndefined = function(obj) {
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return obj === void 0;
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};
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util.clone = function(obj) {
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if (Object.prototype.toString.apply(obj) === '[object Array]') {
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return obj.slice();
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}
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const cloned = {};
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for (const prop in obj) {
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if (obj.hasOwnProperty(prop)) {
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cloned[prop] = obj[prop];
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}
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}
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return cloned;
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};
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util.cloneArgs = function(args) {
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return Array.from(args).map(function(arg) {
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const str = Object.prototype.toString.apply(arg),
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primitives = /^\[object (Boolean|String|RegExp|Number)/;
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// All falsey values are either primitives, `null`, or `undefined.
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if (!arg || str.match(primitives)) {
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return arg;
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} else if (str === '[object Date]') {
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return new Date(arg.valueOf());
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} else {
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return j$.util.clone(arg);
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}
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});
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};
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util.getPropertyDescriptor = function(obj, methodName) {
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let descriptor,
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proto = obj;
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do {
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descriptor = Object.getOwnPropertyDescriptor(proto, methodName);
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proto = Object.getPrototypeOf(proto);
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} while (!descriptor && proto);
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return descriptor;
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};
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util.has = function(obj, key) {
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return Object.prototype.hasOwnProperty.call(obj, key);
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};
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util.errorWithStack = function errorWithStack() {
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// Don't throw and catch. That makes it harder for users to debug their
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// code with exception breakpoints, and it's unnecessary since all
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// supported environments populate new Error().stack
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return new Error();
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};
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function callerFile() {
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const trace = new j$.StackTrace(util.errorWithStack());
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return trace.frames[2].file;
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}
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util.jasmineFile = (function() {
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let result;
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return function() {
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if (!result) {
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result = callerFile();
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}
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return result;
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};
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})();
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util.validateTimeout = function(timeout, msgPrefix) {
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// Timeouts are implemented with setTimeout, which only supports a limited
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// range of values. The limit is unspecified, as is the behavior when it's
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// exceeded. But on all currently supported JS runtimes, setTimeout calls
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// the callback immediately when the timeout is greater than 2147483647
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// (the maximum value of a signed 32 bit integer).
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const max = 2147483647;
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if (timeout > max) {
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throw new Error(
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(msgPrefix || 'Timeout value') + ' cannot be greater than ' + max
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);
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}
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};
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return util;
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};
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