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Use @babel/eslint-plugin-developement (#9206)

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This commit is contained in:
Nicolò Ribaudo
2018-12-18 22:59:43 +01:00
committed by GitHub
parent 116ca22def
commit 911c2d0bf4
12 changed files with 14 additions and 425 deletions
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104
scripts/eslint_rules/no-deprecated-clone.js
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@@ -1,104 +0,0 @@
// @flow
"use strict";
const getReferenceOrigin = require("./utils/get-reference-origin");
function reportError(context /*: Context */, node /*: Node */) {
const isMemberExpression = node.type === "MemberExpression";
const id = isMemberExpression ? node.property : node;
context.report({
node: id,
message: `t.${id.name}() is deprecated. Use t.cloneNode() instead.`,
fix(fixer) {
if (isMemberExpression) {
return fixer.replaceText(id, "cloneNode");
}
},
});
}
module.exports = {
meta: {
schema: [],
fixable: "code",
},
create(context /*: Context */) {
return {
CallExpression(node /*: Node */) {
const origin = getReferenceOrigin(node.callee, context.getScope());
if (!origin) return;
if (
origin.kind === "import" &&
(origin.name === "clone" || origin.name === "cloneDeep") &&
origin.source === "@babel/types"
) {
// imported from @babel/types
return reportError(context, node.callee);
}
if (
origin.kind === "property" &&
(origin.path === "clone" || origin.path === "cloneDeep") &&
origin.base.kind === "import" &&
origin.base.name === "types" &&
origin.base.source === "@babel/core"
) {
// imported from @babel/core
return reportError(context, node.callee);
}
if (
origin.kind === "property" &&
(origin.path === "types.clone" ||
origin.path === "types.cloneDeep") &&
origin.base.kind === "export param" &&
(origin.base.exportName === "default" ||
origin.base.exportName === "module.exports") &&
origin.base.index === 0
) {
// export default function ({ types: t }) {}
// module.exports = function ({ types: t }) {}
return reportError(context, node.callee);
}
},
};
},
};
/*:: // ESLint types
type Node = { type: string, [string]: any };
type Definition = {
type: "ImportedBinding",
name: Node,
node: Node,
parent: Node,
};
type Variable = {
defs: Definition[],
};
type Scope = {
set: Map<string, Variable>,
upper: ?Scope,
};
type Context = {
report(options: {
node: Node,
message: string,
fix?: (fixer: Fixer) => ?Fixer,
}): void,
getScope(): Scope,
};
type Fixer = {
replaceText(node: Node, replacement: string): Fixer,
};
*/

46
scripts/eslint_rules/no-undefined-identifier.js
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@@ -1,46 +0,0 @@
"use strict";
function argumentsIsUndefinedString(argumentsArray) {
return (
argumentsArray.length === 1 &&
argumentsArray[0].type === "Literal" &&
argumentsArray[0].value === "undefined"
);
}
module.exports = {
meta: {
schema: [],
},
create: function(context) {
if (context.getFilename().indexOf("packages/babel-plugin-") === -1) {
return {};
}
return {
CallExpression: function(node) {
const callee = node.callee;
if (
callee.type === "MemberExpression" &&
argumentsIsUndefinedString(node.arguments)
) {
const object = callee.object,
property = callee.property;
if (
object.type === "Identifier" &&
object.name === "t" &&
property.type === "Identifier" &&
property.name === "identifier"
) {
context.report(
node,
"Use path.scope.buildUndefinedNode() to create an undefined identifier directly."
);
}
}
},
};
},
};

62
scripts/eslint_rules/plugin-name.js
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@@ -1,62 +0,0 @@
"use strict";
const getReferenceOrigin = require("./utils/get-reference-origin");
function reportNoPlugin(context /*: Context */, node /*: Node */) {
context.report({
node,
message: "This file does not export a Babel plugin",
});
}
function is(type /*: string */) /*: (node: Node) => boolean */ {
return node => node.type === type;
}
module.exports = {
meta: {
schema: [],
},
create(context /*: Context */) {
return {
Program(program /*: Node */) {
if (!program.body.some(is("ExportDefaultDeclaration"))) {
return reportNoPlugin(context, program);
}
},
ExportDefaultDeclaration(exportDefaultDecl) {
let plugin = exportDefaultDecl.declaration;
if (plugin.type === "CallExpression") {
// export default declare(api => { ... });
const origin = getReferenceOrigin(plugin.callee, context.getScope());
if (
origin &&
origin.kind === "import" &&
origin.name === "declare" &&
origin.source === "@babel/helper-plugin-utils"
) {
plugin = plugin.arguments[0];
}
}
if (!plugin.type.includes("Function")) {
return reportNoPlugin(context, exportDefaultDecl.parent);
}
const returnNode = plugin.body.body.find(is("ReturnStatement"));
if (!returnNode || returnNode.argument.type !== "ObjectExpression") {
return reportNoPlugin(context, exportDefaultDecl.parent);
}
if (!returnNode.argument.properties.some(p => p.key.name === "name")) {
context.report(
returnNode,
"This Babel plugin doesn't have a 'name' property."
);
}
},
};
},
};

34
scripts/eslint_rules/utils/eslint-types.js
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@@ -1,34 +0,0 @@
/*:: // ESLint types
type Node = { type: string, [string]: any };
type Definition = {
type: "ImportedBinding",
name: Node,
node: Node,
parent: Node,
};
type Variable = {
defs: Definition[],
};
type Scope = {
set: Map<string, Variable>,
upper: ?Scope,
};
type Context = {
report(options: {
node: Node,
message: string,
fix?: (fixer: Fixer) => ?Fixer,
}): void,
getScope(): Scope,
};
type Fixer = {
replaceText(node: Node, replacement: string): Fixer,
};
*/

166
scripts/eslint_rules/utils/get-reference-origin.js
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@@ -1,166 +0,0 @@
"use strict";
module.exports = getReferenceOrigin;
/*::
type ReferenceOriginImport = { kind: "import", source: string, name: string };
type ReferenceOriginParam = {
kind: "export param",
exportName: string,
index: number,
};
type ReferenceOrigin =
| ReferenceOriginImport
| ReferenceOriginParam
| { kind: "import *", source: string }
| {
kind: "property",
base: ReferenceOriginImport | ReferenceOriginParam,
path: string,
};
*/
// Given a node and a context, returns a description of where its value comes
// from.
// It resolves imports, parameters of exported functions and property accesses.
// See the ReferenceOrigin type for more informations.
function getReferenceOrigin(
node /*: Node */,
scope /*: Scope */
) /*: ?ReferenceOrigin */ {
if (node.type === "Identifier") {
const variable = getVariableDefinition(node.name, scope);
if (!variable) return null;
const definition = variable.definition;
const defNode = definition.node;
if (definition.type === "ImportBinding") {
if (defNode.type === "ImportSpecifier") {
return {
kind: "import",
source: definition.parent.source.value,
name: defNode.imported.name,
};
}
if (defNode.type === "ImportNamespaceSpecifier") {
return {
kind: "import *",
source: definition.parent.source.value,
};
}
}
if (definition.type === "Variable" && defNode.init) {
const origin = getReferenceOrigin(defNode.init, variable.scope);
return origin && patternToProperty(definition.name, origin);
}
if (definition.type === "Parameter") {
const parent = defNode.parent;
let exportName /*: string */;
if (parent.type === "ExportDefaultDeclaration") {
exportName = "default";
} else if (parent.type === "ExportNamedDeclaration") {
exportName = defNode.id.name;
} else if (
parent.type === "AssignmentExpression" &&
parent.left.type === "MemberExpression" &&
parent.left.object.type === "Identifier" &&
parent.left.object.name === "module" &&
parent.left.property.type === "Identifier" &&
parent.left.property.name === "exports"
) {
exportName = "module.exports";
} else {
return null;
}
return patternToProperty(definition.name, {
kind: "export param",
exportName,
index: definition.index,
});
}
}
if (node.type === "MemberExpression" && !node.computed) {
const origin = getReferenceOrigin(node.object, scope);
return origin && addProperty(origin, node.property.name);
}
return null;
}
function getVariableDefinition(name /*: string */, scope /*: Scope */) {
let currentScope = scope;
do {
const variable = currentScope.set.get(name);
if (variable && variable.defs[0]) {
return { scope: currentScope, definition: variable.defs[0] };
}
} while ((currentScope = currentScope.upper));
}
function patternToProperty(
id /*: Node */,
base /*: ReferenceOrigin */
) /*: ?ReferenceOrigin */ {
const path = getPatternPath(id);
return path && path.reduce(addProperty, base);
}
// Adds a property to a given origin. If it was a namespace import it becomes
// a named import, so that `import * as x from "foo"; x.bar` and
// `import { bar } from "foo"` have the same origin.
function addProperty(
origin /*: ReferenceOrigin */,
name /*: string */
) /* ReferenceOrigin */ {
if (origin.kind === "import *") {
return {
kind: "import",
source: origin.source,
name,
};
}
if (origin.kind === "property") {
return {
kind: "property",
base: origin.base,
path: origin.path + "." + name,
};
}
return {
kind: "property",
base: origin,
path: name,
};
}
// if "node" is c of { a: { b: c } }, the result is ["a","b"]
function getPatternPath(node /*: Node */) /*: ?string[] */ {
let current = node;
const path = [];
// Unshift keys to path while going up
do {
const property = current.parent;
if (
property.type === "ArrayPattern" ||
property.type === "AssignmentPattern" ||
property.computed
) {
// These nodes are not supported.
return null;
}
if (property.type === "Property") {
path.unshift(property.key.name);
} else {
// The destructuring pattern is finished
break;
}
} while ((current = current.parent.parent));
return path;
}