TypeScript types.isNumber函數代碼示例

function toPath(p: IPathWithLineAndColumn): string {
	const segments = [p.path];

	if (types.isNumber(p.line)) {
		segments.push(String(p.line));
	}

	if (types.isNumber(p.column)) {
		segments.push(String(p.column));
	}

	return segments.join(':');
}

function toLineAndColumnPath(parsedPath: IParsedPath): string {
	const segments = [parsedPath.path];

	if (types.isNumber(parsedPath.line)) {
		segments.push(String(parsedPath.line));
	}

	if (types.isNumber(parsedPath.column)) {
		segments.push(String(parsedPath.column));
	}

	return segments.join(':');
}

	private doSetWorked(value: number): ProgressBar {
		assert.ok(isNumber(this.totalWork), 'Total work not set');
		const totalWork = this.totalWork!;

		this.workedVal = value;
		this.workedVal = Math.min(totalWork, this.workedVal);

		if (hasClass(this.element, css_infinite)) {
			removeClass(this.element, css_infinite);
		}

		if (hasClass(this.element, css_done)) {
			removeClass(this.element, css_done);
		}

		if (!hasClass(this.element, css_active)) {
			addClass(this.element, css_active);
		}

		if (!hasClass(this.element, css_discrete)) {
			addClass(this.element, css_discrete);
		}

		this.bit.style.width = 100 * (this.workedVal / (totalWork)) + '%';

		return this;
	}

				validation: (value: string) => {
					if (!value && option.isRequired) {
						return { type: MessageType.ERROR, content: option.displayName + missingErrorMessage };
					} else if (!types.isNumber(Number(value))) {
						return { type: MessageType.ERROR, content: invalidInputMessage };
					} else {
						return null;
					}
				}

	segments.forEach(segment => {
		const segmentAsNumber = Number(segment);
		if (!types.isNumber(segmentAsNumber)) {
			path = !!path ? [path, segment].join(':') : segment; // a colon can well be part of a path (e.g. C:\...)
		} else if (line === null) {
			line = segmentAsNumber;
		} else if (column === null) {
			column = segmentAsNumber;
		}
	});

				this.statLinkIfNeeded(currentAbsolutePath, lstat, (error, stat) => {
					if (error || this.isCanceled || this.isLimitHit) {
						return clb(null);
					}

					// Directory: Follow directories
					if (stat.isDirectory()) {
						this.directoriesWalked++;

						// to really prevent loops with links we need to resolve the real path of them
						return this.realPathIfNeeded(currentAbsolutePath, lstat, (error, realpath) => {
							if (error || this.isCanceled || this.isLimitHit) {
								return clb(null);
							}

							realpath = realpath || '';
							if (this.walkedPaths[realpath]) {
								return clb(null); // escape when there are cycles (can happen with symlinks)
							}

							this.walkedPaths[realpath] = true; // remember as walked

							// Continue walking
							return readdir(currentAbsolutePath).then(children => {
								if (this.isCanceled || this.isLimitHit) {
									return clb(null);
								}

								this.doWalk(folderQuery, currentRelativePath, children, onResult, err => clb(err || null));
							}, error => {
								clb(null);
							});
						});
					}

					// File: Check for match on file pattern and include pattern
					else {
						this.filesWalked++;
						if (currentRelativePath === this.filePattern) {
							return clb(null, undefined); // ignore file if its path matches with the file pattern because checkFilePatternRelativeMatch() takes care of those
						}

						if (this.maxFilesize && types.isNumber(stat.size) && stat.size > this.maxFilesize) {
							return clb(null, undefined); // ignore file if max file size is hit
						}

						this.matchFile(onResult, { base: rootFolder.fsPath, relativePath: currentRelativePath, basename: file, size: stat.size });
					}

					// Unwind
					return clb(null, undefined);
				});

function getNumericValue(value: string, defaultValue: number, fallback: number = void 0) {
	const numericValue = parseInt(value);

	if (types.isNumber(numericValue)) {
		return numericValue;
	}

	if (value) {
		return defaultValue;
	}

	return fallback;
}

			req = rawRequest(opts, (res: http.IncomingMessage) => {
				const followRedirects: number = isNumber(options.followRedirects) ? options.followRedirects : 3;
				if (res.statusCode && res.statusCode >= 300 && res.statusCode < 400 && followRedirects > 0 && res.headers['location']) {
					request(assign({}, options, {
						url: res.headers['location'],
						followRedirects: followRedirects - 1
					}), token).then(c, e);
				} else {
					let stream: Stream = res;

					if (res.headers['content-encoding'] === 'gzip') {
						stream = stream.pipe(createGunzip());
					}

					c({ res, stream } as IRequestContext);
				}
			});

			req = rawRequest(opts, (res: http.ClientResponse) => {
				const followRedirects = isNumber(options.followRedirects) ? options.followRedirects : 3;
				if (res.statusCode >= 300 && res.statusCode < 400 && followRedirects > 0 && res.headers['location']) {
					request(assign({}, options, {
						url: res.headers['location'],
						followRedirects: followRedirects - 1
					})).done(c, e);
				} else {
					let stream: Stream = res;

					if (res.headers['content-encoding'] === 'gzip') {
						stream = stream.pipe(createGunzip());
					}

					c({ res, stream });
				}
			});

	test('isNumber', () => {
		assert(!types.isNumber(undefined));
		assert(!types.isNumber(null));
		assert(!types.isNumber('foo'));
		assert(!types.isNumber([]));
		assert(!types.isNumber([1, 2, '3']));
		assert(!types.isNumber(true));
		assert(!types.isNumber({}));
		assert(!types.isNumber(/test/));
		assert(!types.isNumber(new RegExp('')));
		assert(!types.isNumber(new Date()));
		assert(!types.isNumber(assert));
		assert(!types.isNumber(function foo() { /**/ }));
		assert(!types.isNumber({ foo: 'bar' }));
		assert(!types.isNumber(parseInt('A', 10)));

		assert(types.isNumber(5));
	});