eslint-plugin-react-hooks - npm Package Compare versions

Comparing version 0.0.0-experimental-2c169a568 to 0.0.0-experimental-355970aa4

build-info.json

		{
		"branch": "pull/17418",
		"buildNumber": "61636",
		"checksum": "aa9f6e5",
		"commit": "2c169a568",
		"branch": "master",
		"buildNumber": "95496",
		"checksum": "fedae96",
		"commit": "355970aa4",
		"environment": "ci",
		"reactVersion": "16.12.0-experimental-2c169a568"
		"reactVersion": "16.13.0-experimental-355970aa4"
		}

cjs/eslint-plugin-react-hooks.production.min.js

		@@ -1,2 +0,2 @@
		/** @license React v0.0.0-experimental-2c169a568
		/** @license React v0.0.0-experimental-355970aa4
		* eslint-plugin-react-hooks.production.min.js
		@@ -10,44 +10,44 @@ *

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		(". Either "+d+" "+(1<a.size?"them":"it")+" or remove the dependency array.")}if(("FunctionExpression"===b.type\|\|"ArrowFunctionExpression"===b.type)&&"CallExpression"===b.parent.type){var m=na(b.parent.callee,g);if(b.parent.arguments[m]===b){var t=b.parent.callee,A=ma(t).name,B=/Effect($\|[^a-z])/g.test(A),k=b.parent.arguments[m+1];if(k\|\|B){B&&b.async&&a.report({node:b,message:"Effect callbacks are synchronous to prevent race conditions. Put the async function inside:\n\nuseEffect(() => {\n async function fetchData() {\n // You can await here\n const response = await MyAPI.getData(someId);\n // ...\n }\n fetchData();\n}, [someId]); // Or [] if effect doesn't need props or state\n\nLearn more about data fetching with Hooks: https://fb.me/react-hooks-data-fetching"});
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		(b+".current' to a variable inside the effect, and use that variable in the cleanup function.")})});var Q=new Set,D=new Set;z.forEach(function(c,b){var f=c.references;c.isStatic&&D.add(b);f.forEach(function(c){c.writeExpr&&(c=c.writeExpr,Q.has(b)\|\|(Q.add(b),a.report({node:c,message:"Assignments to the '"+b+"' variable from inside React Hook "+(a.getSource(t)+" will be lost after each render. To preserve the value over time, store it in a useRef Hook and keep the mutable value in the '.current' property. Otherwise, you can move this variable directly inside ")+
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		return}throw M;}for(var f=c;"MemberExpression"===f.type;)f=f.object;var d=!w.through.some(function(a){return a.identifier===f});C.push({key:b,node:c});d\|\|N.add(b)}});var K=W({dependencies:z,declaredDependencies:C,optionalDependencies:D,externalDependencies:N,isEffect:B}),R=K.suggestedDependencies;m=K.unnecessaryDependencies;var H=K.missingDependencies;K=K.duplicateDependencies;if(0===K.size+H.size+m.size)ja({declaredDependencies:C,declaredDependenciesNode:k,componentScope:w,scope:q}).forEach(function(c){var b=
		c.fn;c=c.suggestUseCallback;var f="The '"+b.name.name+"' function makes the dependencies of "+(A+" Hook (at line "+k.loc.start.line+") change on every render.");f=c?f+(" To fix this, wrap the '"+(b.name.name+"' definition into its own useCallback() Hook.")):f+(" Move it inside the "+A+" callback. Alternatively, wrap the '"+(b.name.name+"' definition into its own useCallback() Hook."));var d;c&&"Variable"===b.type&&(d=[{desc:"Wrap the '"+b.name.name+"' definition into its own useCallback() Hook.",
		fix:function(a){return[a.insertTextBefore(b.node.init,"useCallback("),a.insertTextAfter(b.node.init,")")]}}]);a.report({node:b.node,message:f,suggest:d})});else{!B&&0<H.size&&(R=W({dependencies:z,declaredDependencies:[],optionalDependencies:D,externalDependencies:N,isEffect:B}).suggestedDependencies);(function(){if(0===C.length)return!0;var a=C.map(function(a){return a.key}),b=a.slice().sort();return a.join(",")===b.join(",")})()&&R.sort();var v="";if(0<m.size){var O=null;Array.from(m.keys()).forEach(function(a){null===
		O&&a.endsWith(".current")&&(O=a)});if(null!==O)v=" Mutable values like '"+O+"' aren't valid dependencies because mutating them doesn't re-render the component.";else if(0<N.size){var p=Array.from(N)[0];q.set.has(p)\|\|(v=" Outer scope values like '"+p+"' aren't valid dependencies because mutating them doesn't re-render the component.")}}if(!v&&H.has("props")){q=z.get("props");if(null==q)return;q=q.references;if(!Array.isArray(q))return;p=!0;for(var V=0;V<q.length;V++){var P=Z(w.block,q[V].identifier);
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		"'.");break;case "inlineReducer":v=" If '"+u.setter+"' needs the current value of '"+(u.missingDep+"', you can also switch to useReducer instead of useState and read '")+(u.missingDep+"' in the reducer.");break;case "updater":v=" You can also do a functional update '"+u.setter+"("+u.missingDep.substring(0,1)+" => ...)' if you only need '"+u.missingDep+"' in the '"+(u.setter+"' call.");break;default:throw Error("Unknown case.");}}a.report({node:k,message:"React Hook "+a.getSource(t)+" has "+(F(H,"a",
		"missing","include")\|\|F(m,"an","unnecessary","exclude")\|\|F(K,"a","duplicate","omit"))+v,suggest:[{desc:"Update the dependencies array to be: ["+R.join(", ")+"]",fix:function(a){return a.replaceText(k,"["+R.join(", ")+"]")}}]})}}else{var G=null;z.forEach(function(a,e){G\|\|a.references.forEach(function(a){if(!G&&d.has(a.identifier)){for(a=a.from;"function"!==a.type;)a=a.upper;a.block===b&&(G=e)}})});if(G){var aa=W({dependencies:z,declaredDependencies:[],optionalDependencies:D,externalDependencies:new Set,
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		A+" does nothing when called with only one argument. Did you forget to pass an array of dependencies?"})}}}var g={additionalHooks:a.options&&a.options[0]&&a.options[0].additionalHooks?new RegExp(a.options[0].additionalHooks):void 0},d=new WeakMap,x=new WeakSet,n=new WeakMap,y=new WeakMap;return{FunctionExpression:b,ArrowFunctionExpression:b}}}};

package.json

		{
		"name": "eslint-plugin-react-hooks",
		"description": "ESLint rules for React Hooks",
		"version": "0.0.0-experimental-2c169a568",
		"version": "0.0.0-experimental-355970aa4",
		"repository": {
		@@ -6,0 +6,0 @@ "type": "git",

README.md

		@@ -9,3 +9,3 @@ # `eslint-plugin-react-hooks`

		Note: If you're using Create React App, please wait for a corresponding release of `react-scripts` that includes this rule instead of adding it directly.
		Note: If you're using Create React App, please use `react-scripts` >= 3 instead of adding it directly.

		@@ -38,2 +38,13 @@ Assuming you already have ESLint installed, run:

		Or use the recommended config:

		```js
		{
		"extends": [
		// ...
		"plugin:react-hooks/recommended"
		]
		}
		```

		## Valid and Invalid Examples
		@@ -40,0 +51,0 @@

cjs/eslint-plugin-react-hooks.development.js

Sorry, the diff of this file is too big to display

		@@ -1,2 +0,2 @@
		/** @license React v0.0.0-experimental-2c169a568
		/** @license React v0.0.0-experimental-355970aa4
		* eslint-plugin-react-hooks.production.min.js
		@@ -10,44 +10,44 @@ *

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		function da(a){return!!(a.parent&&a.parent.callee&&ba(a.parent.callee,"memo"))}function ea(a){for(;a;){var e=fa(a);if(e&&(aa(e)\|\|S(e))\|\|ca(a)\|\|da(a))return!0;a=a.parent}return!1}
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		var p=a.getScope(),I=new Set,t=null;for(g=p.upper;g;){I.add(g);if("function"===g.type)break;g=g.upper}if(g){t=g;var K=e(function(a){if(!Array.isArray(a.defs))return!1;var b=a.defs[0];if(null==b\|\|"VariableDeclarator"!==b.node.type)return!1;var f=b.node.init;if(null==f)return!1;var d=b.node.parent;if(null==d&&(Y(t.block,b.node.id),d=b.node.parent,null==d))return!1;if("const"===d.kind&&"Literal"===f.type&&("string"===typeof f.value\|\|"number"===typeof f.value\|\|null===f.value))return!0;if("CallExpression"!==
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		("'"+c+".current' to a variable inside the effect, and ")+"use that variable in the cleanup function."})});var P=new Set,E=new Set;y.forEach(function(b,c){var f=b.references;b.isStatic&&E.add(c);f.forEach(function(b){b.writeExpr&&(b=b.writeExpr,P.has(c)\|\|(P.add(c),a.report({node:b,message:"Assignments to the '"+c+"' variable from inside React Hook "+(a.getSource(u)+" will be lost after each ")+"render. To preserve the value over time, store it in a useRef Hook and keep the mutable value in the '.current' property. Otherwise, you can move this variable directly inside "+
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		function ja(a){var e=a.declaredDependenciesNode,b=a.componentScope,g=a.scope;return a.declaredDependencies.map(function(a){a=b.set.get(a.key);if(null==a)return null;var d=a.defs[0];return null==d?null:"Variable"===d.type&&"VariableDeclarator"===d.node.type&&null!=d.node.init&&("ArrowFunctionExpression"===d.node.init.type\|\|"FunctionExpression"===d.node.init.type)\|\|"FunctionName"===d.type&&"FunctionDeclaration"===d.node.type?a:null}).filter(Boolean).map(function(a){var d=a.defs[0];a:{for(var b=!1,y=
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		function pa(a){for(var e="",b=0;b<a.length;b++)e+=a[b],0===b&&2===a.length?e+=" and ":b===a.length-2&&2<a.length?e+=", and ":b<a.length-1&&(e+=", ");return e}function oa(a){return"object"===typeof a&&null!==a&&!Array.isArray(a)&&"string"===typeof a.type}function ka(a,e){return a.range[0]<=e.range[0]&&a.range[1]>=e.range[1]}exports.configs={recommended:{plugins:["react-hooks"],rules:{"react-hooks/rules-of-hooks":"error","react-hooks/exhaustive-deps":"warn"}}};
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		(K?" Did you accidentally call a React Hook after an early return?":"");a.report({node:p,message:V})}}else if(!d.parent\|\|"MethodDefinition"!==d.parent.type&&"ClassProperty"!==d.parent.type\|\|d.parent.value!==d)if(m){var P='React Hook "'+a.getSource(p)+'" is called in function "'+(a.getSource(m)+'" that is neither a React function component nor a custom React Hook function.');a.report({node:p,message:P})}else if("Program"===d.type){var S='React Hook "'+a.getSource(p)+'" cannot be called at the top level. React Hooks must be called in a React function component or a custom React Hook function.';
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		(n=[],d.set(g,n));n.push(a.callee)}}}}},"exhaustive-deps":{meta:{schema:[{type:"object",additionalProperties:!1,properties:{additionalHooks:{type:"string"}}}]},create:function(a){function e(a,d){return function(e){if(d.has(e))return d.get(e);var b=a(e);d.set(e,b);return b}}function b(b){function l(a){var c=!0,f=!1,r=void 0;try{for(var d=a.references[Symbol.iterator](),e;!(c=(e=d.next()).done);c=!0){var g=e.value;if(g.resolved&&I.has(g.resolved.scope)){var m=Z(b,g.identifier),k=la(m),n=Y(k),q;if(q=
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		L(w)\|\|X(w);z.set(n,{isStatic:x,references:[g]})}}}}catch(ba){f=!0,r=ba}finally{try{c\|\|null==d.return\|\|d.return()}finally{if(f)throw r;}}c=!0;f=!1;r=void 0;try{for(var v=a.childScopes[Symbol.iterator](),y;!(c=(y=v.next()).done);c=!0)l(y.value)}catch(ba){f=!0,r=ba}finally{try{c\|\|null==v.return\|\|v.return()}finally{if(f)throw r;}}}function F(a,h,f,d){return 0===a.size?null:(1<a.size?"":h+" ")+f+" "+(1<a.size?"dependencies":"dependency")+": "+pa(Array.from(a).sort().map(function(a){return"'"+a+"'"}))+
		(". Either "+d+" "+(1<a.size?"them":"it")+" or remove the dependency array.")}if(("FunctionExpression"===b.type\|\|"ArrowFunctionExpression"===b.type)&&"CallExpression"===b.parent.type){var m=na(b.parent.callee,g);if(b.parent.arguments[m]===b){var t=b.parent.callee,A=ma(t).name,B=/Effect($\|[^a-z])/g.test(A),k=b.parent.arguments[m+1];if(k\|\|B){B&&b.async&&a.report({node:b,message:"Effect callbacks are synchronous to prevent race conditions. Put the async function inside:\n\nuseEffect(() => {\n async function fetchData() {\n // You can await here\n const response = await MyAPI.getData(someId);\n // ...\n }\n fetchData();\n}, [someId]); // Or [] if effect doesn't need props or state\n\nLearn more about data fetching with Hooks: https://fb.me/react-hooks-data-fetching"});
		var q=a.getScope(),I=new Set,w=null;for(m=q.upper;m;){I.add(m);if("function"===m.type)break;m=m.upper}if(m){w=m;var L=e(function(a){if(!Array.isArray(a.defs))return!1;var c=a.defs[0];if(null==c\|\|"VariableDeclarator"!==c.node.type)return!1;var f=c.node.init;if(null==f)return!1;var b=c.node.parent;if(null==b&&(Z(w.block,c.node.id),b=c.node.parent,null==b))return!1;if("const"===b.kind&&"Literal"===f.type&&("string"===typeof f.value\|\|"number"===typeof f.value\|\|null===f.value))return!0;if("CallExpression"!==
		f.type)return!1;f=f.callee;"MemberExpression"!==f.type\|\|"React"!==f.object.name\|\|null==f.property\|\|f.computed\|\|(f=f.property);if("Identifier"!==f.type)return!1;c=c.node.id;f=f.name;if("useRef"===f&&"Identifier"===c.type)return!0;if(("useState"===f\|\|"useReducer"===f)&&"ArrayPattern"===c.type&&2===c.elements.length&&Array.isArray(a.identifiers)){if(c.elements[1]===a.identifiers[0]){if("useState"===f)for(a=a.references,f=0;f<a.length;f++)d.set(a[f].identifier,c.elements[0]);return!0}if(c.elements[0]===
		a.identifiers[0]&&"useState"===f)for(a=a.references,c=0;c<a.length;c++)x.add(a[c].identifier)}return!1},n),X=e(function(a){if(!Array.isArray(a.defs))return!1;a=a.defs[0];if(null==a\|\|null==a.node\|\|null==a.node.id)return!1;var c=a.node,f=w.childScopes;a=null;var b;for(b=0;b<f.length;b++){var d=f[b],e=d.block;if("FunctionDeclaration"===c.type&&e===c\|\|"VariableDeclarator"===c.type&&e.parent===c){a=d;break}}if(null==a)return!1;for(b=0;b<a.through.length;b++)if(c=a.through[b],null!=c.resolved&&I.has(c.resolved.scope)&&
		!L(c.resolved))return!1;return!0},y),T=new Map,z=new Map;l(q);T.forEach(function(c,b){var f=c.dependencyNode;c=c.reference.resolved.references;for(var d=!1,e=0;e<c.length;e++){var h=c[e].identifier.parent;if(null!=h&&"MemberExpression"===h.type&&!h.computed&&"Identifier"===h.property.type&&"current"===h.property.name&&"AssignmentExpression"===h.parent.type&&h.parent.left===h){d=!0;break}}d\|\|a.report({node:f.parent.property,message:"The ref value '"+b+".current' will likely have changed by the time this effect cleanup function runs. If this ref points to a node rendered by React, copy '"+
		(b+".current' to a variable inside the effect, and use that variable in the cleanup function.")})});var Q=new Set,D=new Set;z.forEach(function(c,b){var f=c.references;c.isStatic&&D.add(b);f.forEach(function(c){c.writeExpr&&(c=c.writeExpr,Q.has(b)\|\|(Q.add(b),a.report({node:c,message:"Assignments to the '"+b+"' variable from inside React Hook "+(a.getSource(t)+" will be lost after each render. To preserve the value over time, store it in a useRef Hook and keep the mutable value in the '.current' property. Otherwise, you can move this variable directly inside ")+
		(a.getSource(t)+".")})))})});if(!(0<Q.size))if(k){var C=[],N=new Set;"ArrayExpression"!==k.type?a.report({node:k,message:"React Hook "+a.getSource(t)+" was passed a dependency list that is not an array literal. This means we can't statically verify whether you've passed the correct dependencies."}):k.elements.forEach(function(c){if(null!==c)if("SpreadElement"===c.type)a.report({node:c,message:"React Hook "+a.getSource(t)+" has a spread element in its dependency array. This means we can't statically verify whether you've passed the correct dependencies."});
		else{try{var b=Y(c)}catch(M){if(/Unsupported node type/.test(M.message)){"Literal"===c.type?z.has(c.value)?a.report({node:c,message:"The "+c.raw+" literal is not a valid dependency because it never changes. Did you mean to include "+(c.value+" in the array instead?")}):a.report({node:c,message:"The "+c.raw+" literal is not a valid dependency because it never changes. You can safely remove it."}):a.report({node:c,message:"React Hook "+a.getSource(t)+" has a complex expression in the dependency array. Extract it to a separate variable so it can be statically checked."});
		return}throw M;}for(var f=c;"MemberExpression"===f.type;)f=f.object;var d=!w.through.some(function(a){return a.identifier===f});C.push({key:b,node:c});d\|\|N.add(b)}});var K=W({dependencies:z,declaredDependencies:C,optionalDependencies:D,externalDependencies:N,isEffect:B}),R=K.suggestedDependencies;m=K.unnecessaryDependencies;var H=K.missingDependencies;K=K.duplicateDependencies;if(0===K.size+H.size+m.size)ja({declaredDependencies:C,declaredDependenciesNode:k,componentScope:w,scope:q}).forEach(function(c){var b=
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		fix:function(a){return[a.insertTextBefore(b.node.init,"useCallback("),a.insertTextAfter(b.node.init,")")]}}]);a.report({node:b.node,message:f,suggest:d})});else{!B&&0<H.size&&(R=W({dependencies:z,declaredDependencies:[],optionalDependencies:D,externalDependencies:N,isEffect:B}).suggestedDependencies);(function(){if(0===C.length)return!0;var a=C.map(function(a){return a.key}),b=a.slice().sort();return a.join(",")===b.join(",")})()&&R.sort();var v="";if(0<m.size){var O=null;Array.from(m.keys()).forEach(function(a){null===
		O&&a.endsWith(".current")&&(O=a)});if(null!==O)v=" Mutable values like '"+O+"' aren't valid dependencies because mutating them doesn't re-render the component.";else if(0<N.size){var p=Array.from(N)[0];q.set.has(p)\|\|(v=" Outer scope values like '"+p+"' aren't valid dependencies because mutating them doesn't re-render the component.")}}if(!v&&H.has("props")){q=z.get("props");if(null==q)return;q=q.references;if(!Array.isArray(q))return;p=!0;for(var V=0;V<q.length;V++){var P=Z(w.block,q[V].identifier);
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		e=0;e<b.references.length;e++)if(d=b.references[e].identifier,null!=d&&null!=d.parent&&"CallExpression"===d.parent.type&&d.parent.callee===d){c=!0;break}c&&(S=a)}}});null!==S&&(v=" If '"+S+"' changes too often, find the parent component that defines it and wrap that definition in useCallback.")}if(!v&&0<H.size){var u=null;H.forEach(function(a){if(null===u)for(var c=z.get(a).references,b,e,g=0;g<c.length;g++){b=c[g].identifier;for(e=b.parent;null!=e&&e!==w.block;){if("CallExpression"===e.type){var k=
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		"'.");break;case "inlineReducer":v=" If '"+u.setter+"' needs the current value of '"+(u.missingDep+"', you can also switch to useReducer instead of useState and read '")+(u.missingDep+"' in the reducer.");break;case "updater":v=" You can also do a functional update '"+u.setter+"("+u.missingDep.substring(0,1)+" => ...)' if you only need '"+u.missingDep+"' in the '"+(u.setter+"' call.");break;default:throw Error("Unknown case.");}}a.report({node:k,message:"React Hook "+a.getSource(t)+" has "+(F(H,"a",
		"missing","include")\|\|F(m,"an","unnecessary","exclude")\|\|F(K,"a","duplicate","omit"))+v,suggest:[{desc:"Update the dependencies array to be: ["+R.join(", ")+"]",fix:function(a){return a.replaceText(k,"["+R.join(", ")+"]")}}]})}}else{var G=null;z.forEach(function(a,e){G\|\|a.references.forEach(function(a){if(!G&&d.has(a.identifier)){for(a=a.from;"function"!==a.type;)a=a.upper;a.block===b&&(G=e)}})});if(G){var aa=W({dependencies:z,declaredDependencies:[],optionalDependencies:D,externalDependencies:new Set,
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		A+" does nothing when called with only one argument. Did you forget to pass an array of dependencies?"})}}}var g={additionalHooks:a.options&&a.options[0]&&a.options[0].additionalHooks?new RegExp(a.options[0].additionalHooks):void 0},d=new WeakMap,x=new WeakSet,n=new WeakMap,y=new WeakMap;return{FunctionExpression:b,ArrowFunctionExpression:b}}}};

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