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import t from "../../lib/index.js";
import stringifyValidator from "../utils/stringifyValidator.js";
import toFunctionName from "../utils/toFunctionName.js";
const NODE_PREFIX = "BabelNode";
let code = `// NOTE: This file is autogenerated. Do not modify.
// See packages/babel-types/scripts/generators/flow.js for script used.
declare class ${NODE_PREFIX}Comment {
value: string;
start: number;
end: number;
loc: ${NODE_PREFIX}SourceLocation;
}
declare class ${NODE_PREFIX}CommentBlock extends ${NODE_PREFIX}Comment {
type: "CommentBlock";
}
declare class ${NODE_PREFIX}CommentLine extends ${NODE_PREFIX}Comment {
type: "CommentLine";
}
declare class ${NODE_PREFIX}SourceLocation {
start: {
line: number;
column: number;
};
end: {
line: number;
column: number;
};
}
declare class ${NODE_PREFIX} {
leadingComments?: Array<${NODE_PREFIX}Comment>;
innerComments?: Array<${NODE_PREFIX}Comment>;
trailingComments?: Array<${NODE_PREFIX}Comment>;
start: ?number;
end: ?number;
loc: ?${NODE_PREFIX}SourceLocation;
extra?: { [string]: mixed };
}\n\n`;
//
const lines = [];
for (const type in t.NODE_FIELDS) {
const fields = t.NODE_FIELDS[type];
const struct = ['type: "' + type + '";'];
const args = [];
const builderNames = t.BUILDER_KEYS[type];
Object.keys(t.NODE_FIELDS[type])
.sort((fieldA, fieldB) => {
const indexA = t.BUILDER_KEYS[type].indexOf(fieldA);
const indexB = t.BUILDER_KEYS[type].indexOf(fieldB);
if (indexA === indexB) return fieldA < fieldB ? -1 : 1;
if (indexA === -1) return 1;
if (indexB === -1) return -1;
return indexA - indexB;
})
.forEach(fieldName => {
const field = fields[fieldName];
let suffix = "";
if (field.optional || field.default != null) suffix += "?";
let typeAnnotation = "any";
const validate = field.validate;
if (validate) {
typeAnnotation = stringifyValidator(validate, NODE_PREFIX);
}
if (typeAnnotation) {
suffix += ": " + typeAnnotation;
}
if (builderNames.includes(fieldName)) {
args.push(t.toBindingIdentifierName(fieldName) + suffix);
}
if (t.isValidIdentifier(fieldName)) {
struct.push(fieldName + suffix + ";");
}
});
code += `declare class ${NODE_PREFIX}${type} extends ${NODE_PREFIX} {
${struct.join("\n ").trim()}
}\n\n`;
// Flow chokes on super() and import() :/
if (type !== "Super" && type !== "Import") {
lines.push(
`declare export function ${toFunctionName(type)}(${args.join(
", "
)}): ${NODE_PREFIX}${type};`
);
} else {
const functionName = toFunctionName(type);
lines.push(
`declare function _${functionName}(${args.join(
", "
)}): ${NODE_PREFIX}${type};`,
`declare export { _${functionName} as ${functionName} }`
);
}
}
for (const typeName of t.TYPES) {
const isDeprecated = !!t.DEPRECATED_KEYS[typeName];
const realName = isDeprecated ? t.DEPRECATED_KEYS[typeName] : typeName;
let decl = `declare export function is${typeName}(node: ?Object, opts?: ?Object): boolean`;
if (t.NODE_FIELDS[realName]) {
decl += ` %checks (node instanceof ${NODE_PREFIX}${realName})`;
}
lines.push(decl);
lines.push(
`declare export function assert${typeName}(node: ?Object, opts?: ?Object): void`
);
}
lines.push(
`declare export var VISITOR_KEYS: { [type: string]: string[] }`,
// assert/
`declare export function assertNode(obj: any): void`,
// builders/
// eslint-disable-next-line max-len
`declare export function createTypeAnnotationBasedOnTypeof(type: 'string' | 'number' | 'undefined' | 'boolean' | 'function' | 'object' | 'symbol'): ${NODE_PREFIX}TypeAnnotation`,
// eslint-disable-next-line max-len
`declare export function createUnionTypeAnnotation(types: Array<${NODE_PREFIX}FlowType>): ${NODE_PREFIX}UnionTypeAnnotation`,
// eslint-disable-next-line max-len
`declare export function createFlowUnionType(types: Array<${NODE_PREFIX}FlowType>): ${NODE_PREFIX}UnionTypeAnnotation`,
// this smells like "internal API"
// eslint-disable-next-line max-len
`declare export function buildChildren(node: { children: Array<${NODE_PREFIX}JSXText | ${NODE_PREFIX}JSXExpressionContainer | ${NODE_PREFIX}JSXSpreadChild | ${NODE_PREFIX}JSXElement | ${NODE_PREFIX}JSXFragment | ${NODE_PREFIX}JSXEmptyExpression> }): Array<${NODE_PREFIX}JSXText | ${NODE_PREFIX}JSXExpressionContainer | ${NODE_PREFIX}JSXSpreadChild | ${NODE_PREFIX}JSXElement | ${NODE_PREFIX}JSXFragment>`,
// clone/
`declare export function clone<T>(n: T): T;`,
`declare export function cloneDeep<T>(n: T): T;`,
`declare export function cloneDeepWithoutLoc<T>(n: T): T;`,
`declare export function cloneNode<T>(n: T, deep?: boolean, withoutLoc?: boolean): T;`,
`declare export function cloneWithoutLoc<T>(n: T): T;`,
// comments/
`declare type CommentTypeShorthand = 'leading' | 'inner' | 'trailing'`,
// eslint-disable-next-line max-len
`declare export function addComment<T: BabelNode>(node: T, type: CommentTypeShorthand, content: string, line?: boolean): T`,
// eslint-disable-next-line max-len
`declare export function addComments<T: BabelNode>(node: T, type: CommentTypeShorthand, comments: Array<Comment>): T`,
`declare export function inheritInnerComments(node: BabelNode, parent: BabelNode): void`,
`declare export function inheritLeadingComments(node: BabelNode, parent: BabelNode): void`,
`declare export function inheritsComments<T: BabelNode>(node: T, parent: BabelNode): void`,
`declare export function inheritTrailingComments(node: BabelNode, parent: BabelNode): void`,
`declare export function removeComments<T: BabelNode>(node: T): T`,
// converters/
`declare export function ensureBlock(node: ${NODE_PREFIX}, key: string): ${NODE_PREFIX}BlockStatement`,
`declare export function toBindingIdentifierName(name?: ?string): string`,
// eslint-disable-next-line max-len
`declare export function toBlock(node: ${NODE_PREFIX}Statement | ${NODE_PREFIX}Expression, parent?: ${NODE_PREFIX}Function | null): ${NODE_PREFIX}BlockStatement`,
// eslint-disable-next-line max-len
`declare export function toComputedKey(node: ${NODE_PREFIX}Method | ${NODE_PREFIX}Property, key?: ${NODE_PREFIX}Expression | ${NODE_PREFIX}Identifier): ${NODE_PREFIX}Expression`,
// eslint-disable-next-line max-len
`declare export function toExpression(node: ${NODE_PREFIX}ExpressionStatement | ${NODE_PREFIX}Expression | ${NODE_PREFIX}Class | ${NODE_PREFIX}Function): ${NODE_PREFIX}Expression`,
`declare export function toIdentifier(name?: ?string): string`,
// eslint-disable-next-line max-len
`declare export function toKeyAlias(node: ${NODE_PREFIX}Method | ${NODE_PREFIX}Property, key?: ${NODE_PREFIX}): string`,
// toSequenceExpression relies on types that aren't declared in flow
// eslint-disable-next-line max-len
`declare export function toStatement(node: ${NODE_PREFIX}Statement | ${NODE_PREFIX}Class | ${NODE_PREFIX}Function | ${NODE_PREFIX}AssignmentExpression, ignore?: boolean): ${NODE_PREFIX}Statement | void`,
`declare export function valueToNode(value: any): ${NODE_PREFIX}Expression`,
// modifications/
// eslint-disable-next-line max-len
`declare export function removeTypeDuplicates(types: Array<${NODE_PREFIX}FlowType>): Array<${NODE_PREFIX}FlowType>`,
// eslint-disable-next-line max-len
`declare export function appendToMemberExpression(member: ${NODE_PREFIX}MemberExpression, append: ${NODE_PREFIX}, computed?: boolean): ${NODE_PREFIX}MemberExpression`,
// eslint-disable-next-line max-len
`declare export function inherits<T: BabelNode>(child: T, parent: ${NODE_PREFIX} | null | void): T`,
// eslint-disable-next-line max-len
`declare export function prependToMemberExpression(member: ${NODE_PREFIX}MemberExpression, prepend: ${NODE_PREFIX}Expression): ${NODE_PREFIX}MemberExpression`,
`declare export function removeProperties<T>(n: T, opts: ?{}): void;`,
`declare export function removePropertiesDeep<T>(n: T, opts: ?{}): T;`,
// retrievers/
// eslint-disable-next-line max-len
`declare export var getBindingIdentifiers: {
(node: ${NODE_PREFIX}, duplicates?: boolean, outerOnly?: boolean): { [key: string]: ${NODE_PREFIX}Identifier | Array<${NODE_PREFIX}Identifier> },
keys: { [type: string]: string[] }
}`,
// eslint-disable-next-line max-len
`declare export function getOuterBindingIdentifiers(node: BabelNode, duplicates?: boolean): { [key: string]: ${NODE_PREFIX}Identifier | Array<${NODE_PREFIX}Identifier> }`,
// traverse/
`declare type TraversalAncestors = Array<{
node: BabelNode,
key: string,
index?: number,
}>;
declare type TraversalHandler<T> = (BabelNode, TraversalAncestors, T) => void;
declare type TraversalHandlers<T> = {
enter?: TraversalHandler<T>,
exit?: TraversalHandler<T>,
};`.replace(/(^|\n) {2}/g, "$1"),
// eslint-disable-next-line
`declare export function traverse<T>(n: BabelNode, TraversalHandler<T> | TraversalHandlers<T>, state?: T): void;`,
`declare export function traverseFast<T>(n: BabelNode, h: TraversalHandler<T>, state?: T): void;`,
// utils/
// cleanJSXElementLiteralChild is not exported
// inherit is not exported
`declare export function shallowEqual(actual: Object, expected: Object): boolean`,
// validators/
// eslint-disable-next-line max-len
`declare export function buildMatchMemberExpression(match: string, allowPartial?: boolean): (?BabelNode) => boolean`,
`declare export function is(type: string, n: BabelNode, opts: Object): boolean;`,
`declare export function isBinding(node: BabelNode, parent: BabelNode, grandparent?: BabelNode): boolean`,
`declare export function isBlockScoped(node: BabelNode): boolean`,
`declare export function isImmutable(node: BabelNode): boolean`,
`declare export function isLet(node: BabelNode): boolean`,
`declare export function isNode(node: ?Object): boolean`,
`declare export function isNodesEquivalent(a: any, b: any): boolean`,
`declare export function isPlaceholderType(placeholderType: string, targetType: string): boolean`,
`declare export function isReferenced(node: BabelNode, parent: BabelNode, grandparent?: BabelNode): boolean`,
`declare export function isScope(node: BabelNode, parent: BabelNode): boolean`,
`declare export function isSpecifierDefault(specifier: BabelNodeModuleSpecifier): boolean`,
`declare export function isType(nodetype: ?string, targetType: string): boolean`,
`declare export function isValidES3Identifier(name: string): boolean`,
`declare export function isValidES3Identifier(name: string): boolean`,
`declare export function isValidIdentifier(name: string): boolean`,
`declare export function isVar(node: BabelNode): boolean`,
// eslint-disable-next-line max-len
`declare export function matchesPattern(node: ?BabelNode, match: string | Array<string>, allowPartial?: boolean): boolean`,
`declare export function validate(n: BabelNode, key: string, value: mixed): void;`
);
for (const type in t.FLIPPED_ALIAS_KEYS) {
const types = t.FLIPPED_ALIAS_KEYS[type];
code += `type ${NODE_PREFIX}${type} = ${types
.map(type => `${NODE_PREFIX}${type}`)
.join(" | ")};\n`;
}
code += `\ndeclare module "@babel/types" {
${lines.join("\n").replace(/\n/g, "\n ").trim()}
}\n`;
//
process.stdout.write(code);