145 lines
3.1 KiB
JavaScript
145 lines
3.1 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports._params = _params;
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exports._parameters = _parameters;
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exports._param = _param;
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exports._methodHead = _methodHead;
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exports._predicate = _predicate;
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exports._functionHead = _functionHead;
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exports.FunctionDeclaration = exports.FunctionExpression = FunctionExpression;
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exports.ArrowFunctionExpression = ArrowFunctionExpression;
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var t = require("@babel/types");
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function _params(node) {
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this.print(node.typeParameters, node);
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this.token("(");
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this._parameters(node.params, node);
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this.token(")");
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this.print(node.returnType, node);
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}
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function _parameters(parameters, parent) {
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for (let i = 0; i < parameters.length; i++) {
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this._param(parameters[i], parent);
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if (i < parameters.length - 1) {
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this.token(",");
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this.space();
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}
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}
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}
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function _param(parameter, parent) {
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this.printJoin(parameter.decorators, parameter);
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this.print(parameter, parent);
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if (parameter.optional) this.token("?");
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this.print(parameter.typeAnnotation, parameter);
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}
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function _methodHead(node) {
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const kind = node.kind;
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const key = node.key;
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if (kind === "get" || kind === "set") {
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this.word(kind);
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this.space();
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}
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if (node.async) {
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this._catchUp("start", key.loc);
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this.word("async");
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this.space();
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}
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if (kind === "method" || kind === "init") {
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if (node.generator) {
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this.token("*");
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}
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}
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if (node.computed) {
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this.token("[");
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this.print(key, node);
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this.token("]");
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} else {
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this.print(key, node);
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}
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if (node.optional) {
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this.token("?");
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}
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this._params(node);
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}
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function _predicate(node) {
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if (node.predicate) {
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if (!node.returnType) {
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this.token(":");
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}
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this.space();
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this.print(node.predicate, node);
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}
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}
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function _functionHead(node) {
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if (node.async) {
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this.word("async");
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this.space();
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}
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this.word("function");
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if (node.generator) this.token("*");
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this.space();
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if (node.id) {
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this.print(node.id, node);
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}
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this._params(node);
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this._predicate(node);
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}
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function FunctionExpression(node) {
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this._functionHead(node);
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this.space();
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this.print(node.body, node);
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}
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function ArrowFunctionExpression(node) {
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if (node.async) {
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this.word("async");
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this.space();
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}
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const firstParam = node.params[0];
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if (!this.format.retainLines && !this.format.auxiliaryCommentBefore && !this.format.auxiliaryCommentAfter && node.params.length === 1 && t.isIdentifier(firstParam) && !hasTypesOrComments(node, firstParam)) {
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this.print(firstParam, node);
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} else {
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this._params(node);
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}
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this._predicate(node);
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this.space();
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this.token("=>");
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this.space();
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this.print(node.body, node);
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}
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function hasTypesOrComments(node, param) {
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var _param$leadingComment, _param$trailingCommen;
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return !!(node.typeParameters || node.returnType || node.predicate || param.typeAnnotation || param.optional || (_param$leadingComment = param.leadingComments) != null && _param$leadingComment.length || (_param$trailingCommen = param.trailingComments) != null && _param$trailingCommen.length);
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} |