44 lines
1.2 KiB
JavaScript
44 lines
1.2 KiB
JavaScript
"use strict";
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const definitions = require("../../lib/definitions");
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function addAssertHelper(type) {
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return `export function assert${type}(node: Object, opts?: Object = {}): void {
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assert("${type}", node, opts) }
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`;
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}
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module.exports = function generateAsserts() {
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let output = `// @flow
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/*
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* This file is auto-generated! Do not modify it directly.
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* To re-generate run 'make build'
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*/
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import is from "../../validators/is";
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function assert(type: string, node: Object, opts?: Object): void {
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if (!is(type, node, opts)) {
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throw new Error(
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\`Expected type "\${type}" with option \${JSON.stringify(opts)}, but instead got "\${node.type}".\`,
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);
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}
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}\n\n`;
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Object.keys(definitions.VISITOR_KEYS).forEach(type => {
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output += addAssertHelper(type);
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});
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Object.keys(definitions.FLIPPED_ALIAS_KEYS).forEach(type => {
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output += addAssertHelper(type);
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});
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Object.keys(definitions.DEPRECATED_KEYS).forEach(type => {
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const newType = definitions.DEPRECATED_KEYS[type];
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output += `export function assert${type}(node: Object, opts: Object): void {
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console.trace("The node type ${type} has been renamed to ${newType}");
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assert("${type}", node, opts);
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}\n`;
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});
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return output;
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};
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