From 39e75fe856e25ff870a2d7795960808f4846de67 Mon Sep 17 00:00:00 2001
From: Rich-Harris <richard.a.harris@gmail.com>
Date: Sun, 1 Nov 2015 17:02:25 -0500
Subject: [PATCH] add a load more pure functions

---
 src/utils/run.js | 43 +++++++++++++++++++++++++++++++++++++++----
 1 file changed, 39 insertions(+), 4 deletions(-)

diff --git a/src/utils/run.js b/src/utils/run.js
index 8c5d56b..2ae6212 100644
--- a/src/utils/run.js
+++ b/src/utils/run.js
@@ -5,12 +5,47 @@ import isReference from '../ast/isReference.js';
 import flatten from '../ast/flatten';
 
 let pureFunctions = {};
+
+const arrayTypes = 'Array Int8Array Uint8Array Uint8ClampedArray Int16Array Uint16Array Int32Array Uint32Array Float32Array Float64Array'.split( ' ' );
+const simdTypes = 'Int8x16 Int16x8 Int32x4 Float32x4 Float64x2'.split( ' ' );
+const simdMethods = 'abs add and bool check div equal extractLane fromFloat32x4 fromFloat32x4Bits fromFloat64x2 fromFloat64x2Bits fromInt16x8Bits fromInt32x4 fromInt32x4Bits fromInt8x16Bits greaterThan greaterThanOrEqual lessThan lessThanOrEqual load max maxNum min minNum mul neg not notEqual or reciprocalApproximation reciprocalSqrtApproximation replaceLane select selectBits shiftLeftByScalar shiftRightArithmeticByScalar shiftRightLogicalByScalar shuffle splat sqrt store sub swizzle xor'.split( ' ' );
+let allSimdMethods = [];
+simdTypes.forEach( t => {
+	simdMethods.forEach( m => {
+		allSimdMethods.push( `SIMD.${t}.${m}` );
+	});
+});
+
 [
-	// TODO add others to this list from https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects
-	'Array', 'Array.isArray',
+	'Array.isArray',
 	'Error', 'EvalError', 'InternalError', 'RangeError', 'ReferenceError', 'SyntaxError', 'TypeError', 'URIError',
-	'Object', 'Object.keys'
-].forEach( name => pureFunctions[ name ] = true );
+	'isFinite', 'isNaN', 'parseFloat', 'parseInt', 'decodeURI', 'decodeURIComponent', 'encodeURI', 'encodeURIComponent', 'escape', 'unescape',
+	'Object', 'Object.create', 'Object.getNotifier', 'Object.getOwn', 'Object.getOwnPropertyDescriptor', 'Object.getOwnPropertyNames', 'Object.getOwnPropertySymbols', 'Object.getPrototypeOf', 'Object.is', 'Object.isExtensible', 'Object.isFrozen', 'Object.isSealed', 'Object.keys',
+	'Function', 'Boolean',
+	'Number', 'Number.isFinite', 'Number.isInteger', 'Number.isNaN', 'Number.isSafeInteger', 'Number.parseFloat', 'Number.parseInt',
+	'Symbol', 'Symbol.for', 'Symbol.keyFor',
+	'Math.abs', 'Math.acos', 'Math.acosh', 'Math.asin', 'Math.asinh', 'Math.atan', 'Math.atan2', 'Math.atanh', 'Math.cbrt', 'Math.ceil', 'Math.clz32', 'Math.cos', 'Math.cosh', 'Math.exp', 'Math.expm1', 'Math.floor', 'Math.fround', 'Math.hypot', 'Math.imul', 'Math.log', 'Math.log10', 'Math.log1p', 'Math.log2', 'Math.max', 'Math.min', 'Math.pow', 'Math.random', 'Math.round', 'Math.sign', 'Math.sin', 'Math.sinh', 'Math.sqrt', 'Math.tan', 'Math.tanh', 'Math.trunc',
+	'Date', 'Date.UTC', 'Date.now', 'Date.parse',
+	'String', 'String.fromCharCode', 'String.fromCodePoint', 'String.raw',
+	'RegExp',
+	'Map', 'Set', 'WeakMap', 'WeakSet',
+	'ArrayBuffer', 'ArrayBuffer.isView',
+	'DataView',
+	'JSON.parse', 'JSON.stringify',
+	'Promise', 'Promise.all', 'Promise.race', 'Promise.reject', 'Promise.resolve',
+	'Intl.Collator', 'Intl.Collator.supportedLocalesOf', 'Intl.DateTimeFormat', 'Intl.DateTimeFormat.supportedLocalesOf', 'Intl.NumberFormat', 'Intl.NumberFormat.supportedLocalesOf'
+
+	// TODO properties of e.g. window...
+].concat(
+	arrayTypes,
+	arrayTypes.map( t => `${t}.from` ),
+	arrayTypes.map( t => `${t}.of` ),
+	simdTypes.map( t => `SIMD.${t}` ),
+	allSimdMethods
+).forEach( name => pureFunctions[ name ] = true );
+	// TODO add others to this list from https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects
+
+
 
 export default function run ( node, scope, statement, strongDependencies, force ) {
 	let hasSideEffect = false;