Merge branch 'dev' into preprocessor-transformations-rebased

libsquoosh/lib/simple-ts.js

@@ -0,0 +1,133 @@
+/**
+ * Copyright 2020 Google Inc. All Rights Reserved.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { spawn } from 'child_process';
+import { relative, join } from 'path';
+import { promises as fsp } from 'fs';
+import { promisify } from 'util';
+
+import * as ts from 'typescript';
+import glob from 'glob';
+import { sync as whichSync } from 'which';
+
+const globP = promisify(glob);
+
+const tscPath = whichSync('tsc');
+
+const extRe = /\.tsx?$/;
+
+function loadConfig(mainPath) {
+  const fileName = ts.findConfigFile(mainPath, ts.sys.fileExists);
+  if (!fileName) throw Error('tsconfig not found');
+  const text = ts.sys.readFile(fileName);
+  const loadedConfig = ts.parseConfigFileTextToJson(fileName, text).config;
+  const parsedTsConfig = ts.parseJsonConfigFileContent(
+    loadedConfig,
+    ts.sys,
+    process.cwd(),
+    undefined,
+    fileName,
+  );
+  return parsedTsConfig;
+}
+
+export default function simpleTS(mainPath, { noBuild, watch } = {}) {
+  const config = loadConfig(mainPath);
+  const args = ['-b', mainPath];
+
+  let tsBuildDone;
+
+  async function watchBuiltFiles(rollupContext) {
+    const matches = await globP(config.options.outDir + '/**/*.js');
+    for (const match of matches) rollupContext.addWatchFile(match);
+  }
+
+  async function tsBuild(rollupContext) {
+    if (tsBuildDone) {
+      // Watch lists are cleared on each build, so we need to rewatch all the JS files.
+      await watchBuiltFiles(rollupContext);
+      return tsBuildDone;
+    }
+    if (noBuild) {
+      return (tsBuildDone = Promise.resolve());
+    }
+    tsBuildDone = Promise.resolve().then(async () => {
+      await new Promise((resolve) => {
+        const proc = spawn(tscPath, args, {
+          stdio: 'inherit',
+        });
+
+        proc.on('exit', (code) => {
+          if (code !== 0) {
+            throw Error('TypeScript build failed');
+          }
+          resolve();
+        });
+      });
+
+      await watchBuiltFiles(rollupContext);
+
+      if (watch) {
+        tsBuildDone.then(() => {
+          spawn(tscPath, [...args, '--watch', '--preserveWatchOutput'], {
+            stdio: 'inherit',
+          });
+        });
+      }
+    });
+
+    return tsBuildDone;
+  }
+
+  return {
+    name: 'simple-ts',
+    resolveId(id, importer) {
+      // If there isn't an importer, it's an entry point, so we don't need to resolve it relative
+      // to something.
+      if (!importer) return null;
+
+      const tsResolve = ts.resolveModuleName(
+        id,
+        importer,
+        config.options,
+        ts.sys,
+      );
+
+      if (
+        // It didn't find anything
+        !tsResolve.resolvedModule ||
+        // Or if it's linking to a definition file, it's something in node_modules,
+        // or something local like css.d.ts
+        tsResolve.resolvedModule.extension === '.d.ts'
+      ) {
+        return null;
+      }
+      return tsResolve.resolvedModule.resolvedFileName;
+    },
+    async load(id) {
+      if (!extRe.test(id)) return null;
+
+      // TypeScript building is deferred until the first TS file load.
+      // This allows prerequisites to happen first,
+      // such as css.d.ts generation in css-plugin.
+      await tsBuild(this);
+
+      // Look for the JS equivalent in the tmp folder
+      const newId = join(
+        config.options.outDir,
+        relative(config.options.rootDir, id),
+      ).replace(extRe, '.js');
+
+      return fsp.readFile(newId, { encoding: 'utf8' });
+    },
+  };
+}

libsquoosh/package-lock.json

@@ -1125,9 +1125,9 @@
       "dev": true
     },
     "@types/node": {
-      "version": "15.0.1",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-15.0.1.tgz",
-      "integrity": "sha512-TMkXt0Ck1y0KKsGr9gJtWGjttxlZnnvDtphxUOSd0bfaR6Q1jle+sPvrzNR1urqYTWMinoKvjKfXUGsumaO1PA==",
+      "version": "15.6.1",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-15.6.1.tgz",
+      "integrity": "sha512-7EIraBEyRHEe7CH+Fm1XvgqU6uwZN8Q7jppJGcqjROMT29qhAuuOxYB1uEY5UMYQKEmA5D+5tBnhdaPXSsLONA==",
       "dev": true
     },
     "@types/resolve": {
@@ -1492,6 +1492,12 @@
         "@types/estree": "*"
       }
     },
+    "isexe": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/isexe/-/isexe-2.0.0.tgz",
+      "integrity": "sha1-6PvzdNxVb/iUehDcsFctYz8s+hA=",
+      "dev": true
+    },
     "jest-worker": {
       "version": "26.6.2",
       "resolved": "https://registry.npmjs.org/jest-worker/-/jest-worker-26.6.2.tgz",
@@ -1826,6 +1832,12 @@
       "integrity": "sha1-3F5pjL0HkmW8c+A3doGk5Og/YW4=",
       "dev": true
     },
+    "typescript": {
+      "version": "4.3.2",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.3.2.tgz",
+      "integrity": "sha512-zZ4hShnmnoVnAHpVHWpTcxdv7dWP60S2FsydQLV8V5PbS3FifjWFFRiHSWpDJahly88PRyV5teTSLoq4eG7mKw==",
+      "dev": true
+    },
     "unicode-canonical-property-names-ecmascript": {
       "version": "1.0.4",
       "resolved": "https://registry.npmjs.org/unicode-canonical-property-names-ecmascript/-/unicode-canonical-property-names-ecmascript-1.0.4.tgz",
@@ -1859,6 +1871,15 @@
       "resolved": "https://registry.npmjs.org/web-streams-polyfill/-/web-streams-polyfill-3.0.3.tgz",
       "integrity": "sha512-d2H/t0eqRNM4w2WvmTdoeIvzAUSpK7JmATB8Nr2lb7nQ9BTIJVjbQ/TRFVEh2gUH1HwclPdoPtfMoFfetXaZnA=="
     },
+    "which": {
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/which/-/which-2.0.2.tgz",
+      "integrity": "sha512-BLI3Tl1TW3Pvl70l3yq3Y64i+awpwXqsGBYWkkqMtnbXgrMD+yj7rhW0kuEDxzJaYXGjEW5ogapKNMEKNMjibA==",
+      "dev": true,
+      "requires": {
+        "isexe": "^2.0.0"
+      }
+    },
     "wrappy": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",

libsquoosh/package.json

@@ -22,7 +22,10 @@
     "@rollup/plugin-babel": "^5.3.0",
     "@rollup/plugin-commonjs": "^18.0.0",
     "@rollup/plugin-node-resolve": "^11.2.1",
+    "@types/node": "^15.6.1",
     "rollup": "^2.46.0",
-    "rollup-plugin-terser": "^7.0.2"
+    "rollup-plugin-terser": "^7.0.2",
+    "typescript": "^4.1.3",
+    "which": "^2.0.2"
   }
 }

libsquoosh/rollup.config.js

@@ -1,5 +1,6 @@
 import resolve from '@rollup/plugin-node-resolve';
 import cjs from '@rollup/plugin-commonjs';
+import simpleTS from './lib/simple-ts';
 import asset from './lib/asset-plugin.js';
 import json from './lib/json-plugin.js';
 import autojson from './lib/autojson-plugin.js';
@@ -20,6 +21,7 @@ export default {
     asset(),
     autojson(),
     json(),
+    simpleTS('.'),
     getBabelOutputPlugin({
       babelrc: false,
       configFile: false,

libsquoosh/src/image_data.js

@@ -1,7 +0,0 @@
-export default class ImageData {
-  constructor(data, width, height) {
-    this.data = data;
-    this.width = width;
-    this.height = height;
-  }
-}

libsquoosh/src/image_data.ts

@@ -0,0 +1,11 @@
+export default class ImageData {
+  readonly data: Uint8ClampedArray;
+  readonly width: number;
+  readonly height: number;
+
+  constructor(data: Uint8ClampedArray, width: number, height: number) {
+    this.data = data;
+    this.width = width;
+    this.height = height;
+  }
+}

libsquoosh/tsconfig.json

@@ -0,0 +1,8 @@
+{
+  "extends": "../generic-tsconfig.json",
+  "compilerOptions": {
+    "lib": ["esnext"],
+    "types": ["node"]
+  },
+  "include": ["src/**/*"]
+}