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

Comparing version 0.0.0-experimental-d364d8555 to 0.0.0-experimental-d7382b6c4

8

build-info.json
{
"branch": "master",
"buildNumber": "51786",
"checksum": "06f0235",
"commit": "d364d8555",
"buildNumber": "113424",
"checksum": "cf19f4a",
"commit": "d7382b6c4",
"environment": "ci",
"reactVersion": "16.10.2-experimental-canary-d364d8555"
"reactVersion": "16.13.1-experimental-d7382b6c4"
}

@@ -1,2 +0,2 @@

/** @license React v0.0.0-experimental-d364d8555
/** @license React v0.0.0-experimental-d7382b6c4
* eslint-plugin-react-hooks.production.min.js

@@ -10,43 +10,45 @@ *

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("'"+b+".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(c,b){var f=c.references;c.isStatic&&E.add(b);f.forEach(function(c){c.writeExpr&&(c=c.writeExpr,P.has(b)||(P.add(b),a.report({node:c,message:"Assignments to the '"+b+"' 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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c.fn,f=c.suggestUseCallback;c="The '"+b.name.name+"' function makes the dependencies of "+(x+" Hook (at line "+m.loc.start.line+") ")+"change on every render.";c=f?c+(" To fix this, "+("wrap the '"+b.name.name+"' definition into its own useCallback() Hook.")):c+(" Move it inside the "+x+" callback. "+("Alternatively, wrap the '"+b.name.name+"' definition into its own useCallback() Hook."));a.report({node:b.node,message:c,fix:function(a){if(f&&"Variable"===b.type)return[a.insertTextBefore(b.node.init,
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1];if(l||B){B&&e.async&&a.report({node:e,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(),H=new Set,v=null;for(k=q.upper;k;){H.add(k);
if("function"===k.type)break;k=k.upper}if(k){v=k;var L=f(function(a){if(!Array.isArray(a.defs))return!1;var b=a.defs[0];if(null==b||"VariableDeclarator"!==b.node.type)return!1;var c=b.node.init;if(null==c)return!1;var g=b.node.parent;if(null==g&&(Z(v.block,b.node.id),g=b.node.parent,null==g))return!1;if("const"===g.kind&&"Literal"===c.type&&("string"===typeof c.value||"number"===typeof c.value||null===c.value))return!0;if("CallExpression"!==c.type)return!1;c=c.callee;"MemberExpression"!==c.type||
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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;y.forEach(function(g,b){var c=g.references;g.isStatic&&D.add(b);c.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(r)+" 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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g.fn;g=g.suggestUseCallback;var c="The '"+b.name.name+"' function makes the dependencies of "+(A+" Hook (at line "+l.loc.start.line+") change on every render.");c=g?c+(" To fix this, wrap the '"+(b.name.name+"' definition into its own useCallback() Hook.")):c+(" Move it inside the "+A+" callback. Alternatively, wrap the '"+(b.name.name+"' definition into its own useCallback() Hook."));var d;g&&"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:c,suggest:d})});else{!B&&0<G.size&&(R=W({dependencies:y,declaredDependencies:[],optionalDependencies:D,externalDependencies:M,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 u="";if(0<k.size){var N=null;Array.from(k.keys()).forEach(function(a){null===
N&&a.endsWith(".current")&&(N=a)});if(null!==N)u=" Mutable values like '"+N+"' aren't valid dependencies because mutating them doesn't re-render the component.";else if(0<M.size){var n=Array.from(M)[0];q.set.has(n)||(u=" Outer scope values like '"+n+"' aren't valid dependencies because mutating them doesn't re-render the component.")}}if(!u&&G.has("props")){q=y.get("props");if(null==q)return;q=q.references;if(!Array.isArray(q))return;n=!0;for(var V=0;V<q.length;V++){var O=Z(v.block,q[V].identifier);
if(!O){n=!1;break}O=O.parent;if(null==O){n=!1;break}if("MemberExpression"!==O.type){n=!1;break}}n&&(u=" However, 'props' will change when *any* prop changes, so the preferred fix is to destructure the 'props' object outside of the "+(A+" call and refer to those specific props inside ")+(a.getSource(r)+"."))}if(!u&&0<G.size){var S=null;G.forEach(function(a){if(!S){var b=v.set.get(a),c=y.get(a);if(c.references[0].resolved===b&&(b=b.defs[0],null!=b&&null!=b.name&&"Parameter"===b.type)){b=!1;for(var d,
e=0;e<c.references.length;e++)if(d=c.references[e].identifier,null!=d&&null!=d.parent&&"CallExpression"===d.parent.type&&d.parent.callee===d){b=!0;break}b&&(S=a)}}});null!==S&&(u=" If '"+S+"' changes too often, find the parent component that defines it and wrap that definition in useCallback.")}if(!u&&0<G.size){var t=null;G.forEach(function(a){if(null===t)for(var b=y.get(a).references,c,e,f=0;f<b.length;f++){c=b[f].identifier;for(e=c.parent;null!=e&&e!==v.block;){if("CallExpression"===e.type){var g=
d.get(e.callee);if(null!=g){g.name===a?t={missingDep:a,setter:e.callee.name,form:"updater"}:w.has(c)?t={missingDep:a,setter:e.callee.name,form:"reducer"}:(c=b[f].resolved,null!=c&&(c=c.defs[0],null!=c&&"Parameter"===c.type&&(t={missingDep:a,setter:e.callee.name,form:"inlineReducer"})));break}}e=e.parent}if(null!==t)break}});if(null!==t)switch(t.form){case "reducer":u=" You can also replace multiple useState variables with useReducer if '"+(t.setter+"' needs the current value of '")+(t.missingDep+
"'.");break;case "inlineReducer":u=" If '"+t.setter+"' needs the current value of '"+(t.missingDep+"', you can also switch to useReducer instead of useState and read '")+(t.missingDep+"' in the reducer.");break;case "updater":u=" You can also do a functional update '"+t.setter+"("+t.missingDep.substring(0,1)+" => ...)' if you only need '"+t.missingDep+"' in the '"+(t.setter+"' call.");break;default:throw Error("Unknown case.");}}a.report({node:l,message:"React Hook "+a.getSource(r)+" has "+(F(G,"a",
"missing","include")||F(k,"an","unnecessary","exclude")||F(K,"a","duplicate","omit"))+u,suggest:[{desc:"Update the dependencies array to be: ["+R.join(", ")+"]",fix:function(a){return a.replaceText(l,"["+R.join(", ")+"]")}}]})}}else{var P=null;y.forEach(function(a,b){P||a.references.forEach(function(a){if(!P&&d.has(a.identifier)){for(a=a.from;"function"!==a.type;)a=a.upper;a.block===e&&(P=b)}})});if(P){var I=W({dependencies:y,declaredDependencies:[],optionalDependencies:D,externalDependencies:new Set,
isEffect:!0}).suggestedDependencies;a.report({node:e.parent.callee,message:"React Hook "+A+" contains a call to '"+P+"'. Without a list of dependencies, this can lead to an infinite chain of updates. To fix this, pass ["+I.join(", ")+("] as a second argument to the "+A+" Hook."),suggest:[{desc:"Add dependencies array: ["+I.join(", ")+"]",fix:function(a){return a.insertTextAfter(e,", ["+I.join(", ")+"]")}}]})}}}}else"useMemo"!==A&&"useCallback"!==A||a.report({node:e.parent.callee,message:"React Hook "+
A+" does nothing when called with only one argument. Did you forget to pass an array of dependencies?"})}}}var h={additionalHooks:a.options&&a.options[0]&&a.options[0].additionalHooks?new RegExp(a.options[0].additionalHooks):void 0},d=new WeakMap,w=new WeakSet,p=new WeakMap,x=new WeakMap;return{FunctionExpression:e,ArrowFunctionExpression:e}}}};
{
"name": "eslint-plugin-react-hooks",
"description": "ESLint rules for React Hooks",
"version": "0.0.0-experimental-d364d8555",
"version": "0.0.0-experimental-d7382b6c4",
"repository": {

@@ -6,0 +6,0 @@ "type": "git",

@@ -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 @@

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

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