Add support for Deno

.github/workflows/ci.yml

@@ -0,0 +1,22 @@
+name: test and build
+
+on: [push, pull_request]
+
+jobs:
+  build_test:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-node@v1
+        with:
+          node-version: 12.x
+      - uses: denolib/setup-deno@v2
+        with:
+          deno-version: v1.4.6
+      - run: npm install
+      - run: npm install yarn -g
+      - run: npm build
+      - run: npm test
+      - run: npm run deno_build
+      - run: npm run deno_test

deno_lib/LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2020 Colin McDonnell
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

deno_lib/PseudoPromise.ts

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+import { INVALID } from './helpers/util.ts';
+import { ZodError } from './ZodError.ts';
+// import { INVALID } from './util/index.ts';
+
+type Func = (arg: any, ctx: { async: boolean }) => any;
+type FuncItem = { type: 'function'; function: Func };
+type Catcher = (error: Error, ctx: { async: boolean }) => any;
+type CatcherItem = { type: 'catcher'; catcher: Catcher };
+type Items = (FuncItem | CatcherItem)[];
+
+export class PseudoPromise<ReturnType = undefined> {
+  readonly _return: ReturnType | undefined;
+  items: Items;
+  constructor(funcs: Items = []) {
+    this.items = funcs;
+  }
+
+  static all = <T extends PseudoPromise<any>[]>(pps: T) => {
+    return new PseudoPromise().all(pps);
+  };
+
+  all = <T extends PseudoPromise<any>[]>(
+    pps: T,
+  ): PseudoPromise<
+    {
+      [k in keyof T]: T[k] extends PseudoPromise<any> ? T[k]['_return'] : never;
+    }
+  > => {
+    return this.then((_arg, ctx) => {
+      // const results = pps.map(pp => pp.getValue());
+      // const caughtPPs = pps.map((pp, index) =>
+      //   pp.catch(err => {
+      //     if (err instanceof ZodError) zerr.addIssues(err.issues);
+      //   }),
+      // );
+      if (ctx.async) {
+        try {
+          return Promise.all(pps.map(pp => pp.getValueAsync()));
+        } catch (err) {}
+        // return Promise.all(pps.map(pp => pp.getValueAsync()));
+      } else {
+        try {
+          return pps.map(pp => pp.getValueSync()) as any;
+        } catch (err) {}
+      }
+    });
+  };
+
+  // subpromise = <T extends PseudoPromise<any>>(subprom:T)=>{
+  //   return this.then((arg,ctx)=>{
+  //     const subval = subprom.
+  //   })
+  // }
+
+  // static allAsync = (pps:all PseudoPromise<any>[]) => {
+  //   return PseudoPromise.resolve(Promise.all(pps.map(pp => pp.toPromise())));
+  // };
+
+  static object = (pps: { [k: string]: PseudoPromise<any> }) => {
+    return new PseudoPromise().then((_arg, ctx) => {
+      const value: any = {};
+      // const items = Object.keys(pps).map(k => {
+      //   const v = pps[k].getValue();
+      //   return [k, v] as [string, any];
+      // });
+
+      // let isAsync = ctx.async; //items.some(item => item[1] instanceof Promise);
+      // Object.keys(pps).some(
+      //   k => pps[k].getValue() instanceof Promise,
+      // );
+      //
+
+      const zerr = new ZodError([]);
+      if (ctx.async) {
+        const getAsyncObject = async () => {
+          // const promises = Object.keys(pps).map(async k => {
+          //   const v = await pps[k].getValue();
+          //   return [k, v] as [string, any];
+          // });
+          // const items = await Promise.all(promises);
+          // const asyncValue: any = {};
+          const items = await Promise.all(
+            Object.keys(pps).map(async k => {
+              try {
+                const v = await pps[k].getValueAsync();
+                return [k, v] as [string, any];
+              } catch (err) {
+                if (err instanceof ZodError) {
+                  zerr.addIssues(err.issues);
+                  return [k, INVALID] as [string, any];
+                }
+                throw err;
+              }
+            }),
+          );
+
+          if (!zerr.isEmpty) throw zerr;
+          // // const resolvedItems = await Promise.all(
+          // //   items.map(async item => [item[0], await item[1]]),
+          // // );
+
+          // const filtered: any = items.filter(entry => {
+          //   return entry[1] instanceof ZodError;
+          // });
+
+          // if (filtered.length > 0) {
+          //   const allIssues = filtered.reduce(
+          //     (acc: any[], val: [string, ZodError]) => {
+          //       const error = val[1];
+          //       return acc.concat(error.issues);
+          //     },
+          //     [],
+          //   );
+          //   const error = new ZodError(allIssues);
+          //   // const base = filtered[0][1];
+          //   // base.issues = all_issues;
+          //   throw error;
+          // } else {
+          for (const item of items) {
+            value[item[0]] = item[1];
+          }
+
+          return value;
+          // }
+        };
+        return getAsyncObject();
+      } else {
+        const items = Object.keys(pps).map(k => {
+          try {
+            const v = pps[k].getValueSync();
+            return [k, v] as [string, any];
+          } catch (err) {
+            if (err instanceof ZodError) {
+              zerr.addIssues(err.issues);
+              return [k, INVALID] as [string, any];
+            }
+            throw err;
+          }
+        });
+        // let syncValue: any = {};
+        if (!zerr.isEmpty) throw zerr;
+        for (const item of items) {
+          value[item[0]] = item[1];
+        }
+        return value;
+      }
+    });
+  };
+
+  static resolve = <T>(value: T): PseudoPromise<T> => {
+    if (value instanceof PseudoPromise) {
+      throw new Error('Do not pass PseudoPromise into PseudoPromise.resolve');
+    }
+    return new PseudoPromise().then(() => value) as any;
+  };
+
+  then = <NewReturn>(
+    func: (arg: ReturnType, ctx: { async: boolean }) => NewReturn,
+  ): PseudoPromise<NewReturn extends Promise<infer U> ? U : NewReturn> => {
+    return new PseudoPromise([
+      ...this.items,
+      { type: 'function', function: func },
+    ]);
+  };
+
+  catch = <NewReturn>(
+    catcher: (err: Error, ctx: { async: boolean }) => NewReturn,
+  ): PseudoPromise<NewReturn extends Promise<infer U> ? U : NewReturn> => {
+    return new PseudoPromise([...this.items, { type: 'catcher', catcher }]);
+  };
+
+  // getValue = (
+  //   allowPromises: boolean = false,
+  // ): ReturnType | Promise<ReturnType> => {
+  //   try {
+  //     return this.getValueSync(allowPromises);
+  //   } catch (err) {
+  //     if (err.message === 'found_promise') {
+  //       return this.getValueAsync();
+  //     }
+  //     throw err;
+  //   }
+  // };
+
+  getValueSync = (): ReturnType => {
+    // // if (this._cached.value) return this._cached.value;
+    let val: any = undefined;
+
+    // for (const item of this.items) {
+    //   if (item.type === 'function') {
+    //     val = item.function(val, { async: false });
+    //   }
+
+    // if (val instanceof Promise && allowPromises === false) {
+    //   throw new Error('found_promise');
+    // }
+    // }
+    for (let index = 0; index < this.items.length; index++) {
+      try {
+        const item = this.items[index];
+
+        if (item.type === 'function') {
+          val = item.function(val, { async: false });
+        }
+      } catch (err) {
+        const catcherIndex = this.items.findIndex(
+          (x, i) => x.type === 'catcher' && i > index,
+        );
+
+        const catcherItem = this.items[catcherIndex];
+        if (!catcherItem || catcherItem.type !== 'catcher') {
+          throw err;
+        } else {
+          val = catcherItem.catcher(err, { async: false });
+          index = catcherIndex;
+        }
+      }
+
+      // if (val instanceof PseudoPromise) {
+      //   throw new Error('SYNC: DO NOT RETURN PSEUDOPROMISE FROM FUNCTIONS');
+      // }
+      // if (val instanceof Promise) {
+      //   throw new Error('SYNC: DO NOT RETURN PROMISE FROM FUNCTIONS');
+      // }
+
+      // while (!!val.then) {
+      //   if (val instanceof PseudoPromise) {
+      //     val = await val.toPromise();
+      //   } else {
+      //     val = await val;
+      //   }
+      // }
+    }
+    // this._cached.value = val;
+    return val;
+  };
+
+  getValueAsync = async (): Promise<ReturnType> => {
+    // // if (this._cached.value) return this._cached.value;
+    let val: any = undefined;
+
+    for (let index = 0; index < this.items.length; index++) {
+      const item = this.items[index];
+      try {
+        if (item.type === 'function') {
+          val = await item.function(val, { async: true });
+        }
+      } catch (err) {
+        const catcherIndex = this.items.findIndex(
+          (x, i) => x.type === 'catcher' && i > index,
+        );
+
+        const catcherItem = this.items[catcherIndex];
+
+        if (!catcherItem || catcherItem.type !== 'catcher') {
+          throw err;
+        } else {
+          index = catcherIndex;
+          val = await catcherItem.catcher(err, { async: true });
+        }
+      }
+
+      if (val instanceof PseudoPromise) {
+        throw new Error('ASYNC: DO NOT RETURN PSEUDOPROMISE FROM FUNCTIONS');
+      }
+      if (val instanceof Promise) {
+        throw new Error('ASYNC: DO NOT RETURN PROMISE FROM FUNCTIONS');
+      }
+      // while (!!val.then) {
+      //   if (val instanceof PseudoPromise) {
+      //     val = await val.toPromise();
+      //   } else {
+      //     val = await val;
+      //   }
+      // }
+    }
+    // this._cached.value = val;
+    return val;
+  };
+}