cafe-grader-web Files · node_modules/fontkit/src/decorators.js

cafe-grader-web

Location: cafe-grader-web/node_modules/fontkit/src/decorators.js

Commit Description:

fix wrong merge

Commit Description:

fix wrong merge

References:

r846:4279bf26f98b algo

File last commit:

r789:8cd7e8db7e38 default

Show/Diff file:

Action:

            
                    node_modules/fontkit/src/decorators.js
                
             | 36 lines
             | 936 B
             | application/javascript 
             | JavascriptLexer
             | 
      
            History
        
           Show Full History
         |
          Annotation
         | Raw
         |
              
              Download
              
      /**

       * This decorator caches the results of a getter or method such that

       * the results are lazily computed once, and then cached.

       * @private

       */

      export function cache(target, key, descriptor) {

        if (descriptor.get) {

          let get = descriptor.get;

          descriptor.get = function() {

            let value = get.call(this);

            Object.defineProperty(this, key, { value });

            return value;

          };

        } else if (typeof descriptor.value === 'function') {

          let fn = descriptor.value;

          return {

            get() {

              let cache = new Map;

              function memoized(...args) {

                let key = args.length > 0 ? args[0] : 'value';

                if (cache.has(key)) {

                  return cache.get(key);

                }

                let result = fn.apply(this, args);

                cache.set(key, result);

                return result;

              };

              Object.defineProperty(this, key, {value: memoized});

              return memoized;

            }

          };

        }

      }

	Site-wide shortcuts
/	Use quick search box
g h	Goto home page
g g	Goto my private gists page
g G	Goto my public gists page
n r	New repository page
n g	New gist page

	Repositories
g s	Goto summary page
g c	Goto changelog page
g f	Goto files page
g F	Goto files page with file search activated
g p	Goto pull requests page
g o	Goto repository settings
g O	Goto repository permissions settings

Sign in to your account

Last Author

				/**
				* This decorator caches the results of a getter or method such that
				* the results are lazily computed once, and then cached.
				* @private
				*/
				export function cache(target, key, descriptor) {
				if (descriptor.get) {
				let get = descriptor.get;
				descriptor.get = function() {
				let value = get.call(this);
				Object.defineProperty(this, key, { value });
				return value;
				};
				} else if (typeof descriptor.value === 'function') {
				let fn = descriptor.value;

				return {
				get() {
				let cache = new Map;
				function memoized(...args) {
				let key = args.length > 0 ? args[0] : 'value';
				if (cache.has(key)) {
				return cache.get(key);
				}

				let result = fn.apply(this, args);
				cache.set(key, result);
				return result;
				};

				Object.defineProperty(this, key, {value: memoized});
				return memoized;
				}
				};
				}
				}