commit 16ad722efa7b33fdab6df3182ceaab8fb2bebf9a · kitten.sh/wonka

+4 -89

rollup.config.js

···

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       import { terser } from 'rollup-plugin-terser';

     

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       import compiler from '@ampproject/rollup-plugin-closure-compiler';

     

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       const cwd = process.cwd();

     

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       const pkgInfo = require('./package.json');

     

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       const name = basename(pkgInfo.main, '.js');

     
···

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         },

     

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       });

     

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       const unwrapStatePlugin = ({ types: t }) => ({

     

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         pre() {

     

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           this.props = new Map();

     

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           this.test = (node) =>

     

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             /state$/i.test(node.id.name) ||

     

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             (node.init.properties.length === 1 && node.init.properties[0].key.name === 'contents');

     

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         },

     

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         visitor: {

     

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           VariableDeclarator(path) {

     

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             if (

     

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               t.isIdentifier(path.node.id) &&

     

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               t.isObjectExpression(path.node.init) &&

     

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               path.node.init.properties.every(

     

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                 (prop) => t.isObjectProperty(prop) && t.isIdentifier(prop.key)

     

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               ) &&

     

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               this.test(path.node)

     

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             ) {

     

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               const id = path.node.id.name;

     

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               const properties = path.node.init.properties;

     

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               const propNames = new Set(properties.map((x) => x.key.name));

     

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               const decl = properties.map((prop) => {

     

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                 const key = `${id}$${prop.key.name}`;

     

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                 return t.variableDeclarator(t.identifier(key), prop.value);

     

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               });

     

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               this.props.set(id, propNames);

     

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               path.parentPath.replaceWithMultiple(t.variableDeclaration('let', decl));

     

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             }

     

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           },

     

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           MemberExpression(path) {

     

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             if (

     

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               t.isIdentifier(path.node.object) &&

     

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               this.props.has(path.node.object.name) &&

     

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               t.isIdentifier(path.node.property) &&

     

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               this.props.get(path.node.object.name).has(path.node.property.name)

     

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             ) {

     

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               const id = path.node.object.name;

     

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               const propName = path.node.property.name;

     

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               path.replaceWith(t.identifier(`${id}$${propName}`));

     

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             }

     

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           },

     

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         },

     

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       });

     

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       const curryGuaranteePlugin = ({ types: t }) => {

     

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         const curryFnName = /^_(\d)$/;

     

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         const lengthId = t.identifier('length');

     

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         const bindId = t.identifier('bind');

     

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         return {

     

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           visitor: {

     

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             CallExpression(path) {

     

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               if (

     

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                 !t.isMemberExpression(path.node.callee) ||

     

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                 !t.isIdentifier(path.node.callee.object) ||

     

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                 !t.isIdentifier(path.node.callee.property) ||

     

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                 !path.node.callee.object.name === 'Curry' ||

     

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                 !curryFnName.test(path.node.callee.property.name)

     

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               )

     

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                 return;

     

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               const callFn = path.node.arguments[0];

     

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               const callArgs = path.node.arguments.slice(1);

     

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               if (t.isExpressionStatement(path.parent)) {

     

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                 path.replaceWith(t.callExpression(callFn, callArgs));

     

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                 return;

     

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               }

     

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               const arityLiteral = t.numericLiteral(callArgs.length);

     

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               const argIds = callArgs.map((init) => {

     

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                 if (t.isIdentifier(init)) return init;

     

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                 const id = path.scope.generateUidIdentifierBasedOnNode(path.node.id);

     

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                 path.scope.push({ id, init });

     

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                 return id;

     

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               });

     

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               path.replaceWith(

     

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                 t.conditionalExpression(

     

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                   t.binaryExpression('===', t.memberExpression(callFn, lengthId), arityLiteral),

     

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                   t.callExpression(callFn, argIds),

     

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                   t.callExpression(t.memberExpression(callFn, bindId), [t.nullLiteral()].concat(argIds))

     

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                 )

     

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               );

     

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             },

     

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           },

     

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         };

     

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       };

     

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       const makePlugins = (isProduction) =>

     

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         [

     

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           babel({

     
···

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             extensions: ['ts', 'tsx', 'js'],

     

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             exclude: 'node_modules/**',

     

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             presets: [],

     

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             plugins: ['babel-plugin-closure-elimination', unwrapStatePlugin, curryGuaranteePlugin],

     

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           }),

     

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           compiler({

     

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             formatting: 'PRETTY_PRINT',

     

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             compilation_level: 'SIMPLE_OPTIMIZATIONS',

···

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       import { terser } from 'rollup-plugin-terser';

     

       8
        
       import compiler from '@ampproject/rollup-plugin-closure-compiler';

     

       9
        
       

     

       10
       +
       import minifyBucklescript from './scripts/minify-bucklescript-plugin';

     

       11
       +
       

     

       12
        
       const cwd = process.cwd();

     

       13
        
       const pkgInfo = require('./package.json');

     

       14
        
       const name = basename(pkgInfo.main, '.js');

     
···

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         },

     

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       });

     

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       const makePlugins = (isProduction) =>

     

       82
        
         [

     

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           babel({

     
···

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             extensions: ['ts', 'tsx', 'js'],

     

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             exclude: 'node_modules/**',

     

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             presets: [],

     

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             plugins: ['babel-plugin-closure-elimination'],

     

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           }),

     

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           minifyBucklescript(),

     

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           compiler({

     

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             formatting: 'PRETTY_PRINT',

     

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             compilation_level: 'SIMPLE_OPTIMIZATIONS',

+122

scripts/minify-bucklescript-plugin.js

···

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       import { transformSync as transform } from '@babel/core';

     

       2
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       import { createFilter } from 'rollup-pluginutils';

     

       3
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       4
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       function unwrapStatePlugin({ types: t }) {

     

       5
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         return {

     

       6
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           pre() {

     

       7
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             this.props = new Map();

     

       8
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             this.test = (node) =>

     

       9
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               /state$/i.test(node.id.name) ||

     

       10
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               (node.init.properties.length === 1 && node.init.properties[0].key.name === 'contents');

     

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           },

     

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           visitor: {

     

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             VariableDeclarator(path) {

     

       14
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               if (

     

       15
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                 t.isIdentifier(path.node.id) &&

     

       16
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                 t.isObjectExpression(path.node.init) &&

     

       17
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                 path.node.init.properties.every(

     

       18
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                   (prop) => t.isObjectProperty(prop) && t.isIdentifier(prop.key)

     

       19
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                 ) &&

     

       20
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                 this.test(path.node)

     

       21
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               ) {

     

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                 const id = path.node.id.name;

     

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                 const properties = path.node.init.properties;

     

       24
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                 const propNames = new Set(properties.map((x) => x.key.name));

     

       25
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                 const decl = properties.map((prop) => {

     

       26
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                   const key = `${id}$${prop.key.name}`;

     

       27
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                   return t.variableDeclarator(t.identifier(key), prop.value);

     

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                 });

     

       29
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       30
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                 this.props.set(id, propNames);

     

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                 path.parentPath.replaceWithMultiple(t.variableDeclaration('let', decl));

     

       32
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               }

     

       33
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             },

     

       34
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             MemberExpression(path) {

     

       35
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               if (

     

       36
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                 t.isIdentifier(path.node.object) &&

     

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                 this.props.has(path.node.object.name) &&

     

       38
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                 t.isIdentifier(path.node.property) &&

     

       39
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                 this.props.get(path.node.object.name).has(path.node.property.name)

     

       40
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               ) {

     

       41
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                 const id = path.node.object.name;

     

       42
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                 const propName = path.node.property.name;

     

       43
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                 path.replaceWith(t.identifier(`${id}$${propName}`));

     

       44
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               }

     

       45
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             },

     

       46
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           },

     

       47
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         };

     

       48
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       }

     

       49
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       50
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       function curryGuaranteePlugin({ types: t }) {

     

       51
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         const curryFnName = /^_(\d)$/;

     

       52
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         const lengthId = t.identifier('length');

     

       53
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         const bindId = t.identifier('bind');

     

       54
       +
       

     

       55
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         return {

     

       56
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           visitor: {

     

       57
       +
             CallExpression(path) {

     

       58
       +
               if (!t.isIdentifier(path.node.callee) || !curryFnName.test(path.node.callee.name)) {

     

       59
       +
                 return;

     

       60
       +
               }

     

       61
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       62
       +
               const callFn = path.node.arguments[0];

     

       63
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               const callArgs = path.node.arguments.slice(1);

     

       64
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       65
       +
               if (t.isExpressionStatement(path.parent)) {

     

       66
       +
                 path.replaceWith(t.callExpression(callFn, callArgs));

     

       67
       +
                 return;

     

       68
       +
               }

     

       69
       +
       

     

       70
       +
               if (t.isIdentifier(callFn) && path.scope.hasBinding(callFn.name)) {

     

       71
       +
                 const callFnDefinition = path.scope.getBinding(callFn.name).path.node;

     

       72
       +
                 if (

     

       73
       +
                   t.isFunctionDeclaration(callFnDefinition) &&

     

       74
       +
                   callFnDefinition.params.length === callArgs.length

     

       75
       +
                 ) {

     

       76
       +
                   path.replaceWith(t.callExpression(callFn, callArgs));

     

       77
       +
                   return;

     

       78
       +
                 }

     

       79
       +
               }

     

       80
       +
       

     

       81
       +
               const arityLiteral = t.numericLiteral(callArgs.length);

     

       82
       +
               const argIds = callArgs.map((init) => {

     

       83
       +
                 if (t.isIdentifier(init)) return init;

     

       84
       +
                 const id = path.scope.generateUidIdentifierBasedOnNode(path.node.id);

     

       85
       +
                 path.scope.push({ id, init });

     

       86
       +
                 return id;

     

       87
       +
               });

     

       88
       +
       

     

       89
       +
               path.replaceWith(

     

       90
       +
                 t.conditionalExpression(

     

       91
       +
                   t.binaryExpression('===', t.memberExpression(callFn, lengthId), arityLiteral),

     

       92
       +
                   t.callExpression(callFn, argIds),

     

       93
       +
                   t.callExpression(t.memberExpression(callFn, bindId), [t.nullLiteral()].concat(argIds))

     

       94
       +
                 )

     

       95
       +
               );

     

       96
       +
             },

     

       97
       +
           },

     

       98
       +
         };

     

       99
       +
       }

     

       100
       +
       

     

       101
       +
       function cleanup(opts = {}) {

     

       102
       +
         const filter = createFilter(opts.include, opts.exclude, {

     

       103
       +
           resolve: false,

     

       104
       +
         });

     

       105
       +
       

     

       106
       +
         return {

     

       107
       +
           name: 'minifyBucklescript',

     

       108
       +
       

     

       109
       +
           renderChunk(code, chunk) {

     

       110
       +
             if (!filter(chunk.fileName)) {

     

       111
       +
               return null;

     

       112
       +
             }

     

       113
       +
       

     

       114
       +
             return transform(code, {

     

       115
       +
               plugins: [unwrapStatePlugin, curryGuaranteePlugin],

     

       116
       +
               babelrc: false,

     

       117
       +
             });

     

       118
       +
           },

     

       119
       +
         };

     

       120
       +
       }

     

       121
       +
       

     

       122
       +
       export default cleanup;