All files node-tools.ts

52.29% Statements 57/109
38.23% Branches 13/34
37.14% Functions 13/35
45.83% Lines 33/72

Press n or j to go to the next uncovered block, b, p or k for the previous block.

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 1961x 1x 1x 1x 1x   1x 1x                   1x 8x     8x                 20x                 20x                 1x 4x 8x                 1x         4x     4x           12x     1x                                                         4x             1x                 1x                                 1x               1x                               1x 8x 8x 8x                                           1x 4x 4x       1x    
import { Node } from "ts-morph";
import TS from "./TS";
import { bySyntax } from "./SyntaxKindDelegator";
import SK, { SKindMap } from "./SyntaxKindDelegator.types";
import { cyan, green } from "console-log-colors";
import { Nodely } from "./types";
import { createPrinter, createSourceFile, ScriptKind, ScriptTarget } from "typescript";
import { escape } from "./utils";
interface Nameable extends Node {
	getName():string
}
 
/**
 * Because there isnt a standard way to mark something private.
 * @param node 
 * @returns 
 */
export const isPrivate = (node: Nodely) => {
	Iif(!node) return true; //must be private its so private it doesnt exist.
 
	//check if the node has a private modifier (typescript syntax sugar)
	return (Node.isModifierable(node) && node.hasModifier(SK.PrivateKeyword))
	//check if there is a private tag in jsdocs
	|| (Node.isJSDocable(node) && node.getJsDocs().some(d=>d.getTags().some(t=>t.getTagName().toLowerCase() === 'private')))
}
/**
 * Check if a node has getName method
 * @param node 
 * @returns 
 */
const hasName = <T extends Node>(node: T): node is T & Nameable => 'getName' in node 
&& typeof node.getName === 'function'
&& !Node.isParameterDeclaration(node)
 
/**
 * Get a nodes name if one is available
 * @param node 
 * @returns 
 */
export const getName = <T extends Node>(node: Nodely<T>):string => (node && hasName(node)) ? escape(node.getName())
:'';
 
 
/**
 * Gets a / delimited list of names from source to current node
 * @param node 
 * @returns 
 */
export const getFullName = (node: Node, delim:string=".") => {
	const family = getFamilyName(node, delim);
	return [family, getName(node)].filter(a=>a).join(delim);
}
 
/**
 * Gets the signature of a declaration. 
 * @param node 
 * @param delim 
 * @returns 
 */
export const getSignatureName = (node:Node, delim:string=".") => {
	const family = getFamilyName(node, delim);
	return `${[family, getName(node)].filter(a=>a).join(delim)}`;
}
 
export const getJsDocs = (node: Node) => Node.isJSDocable(node) ? node.getJsDocs():[];
 
 
export const getComments = (node: Node) => (Node.isJSDocable(node) ? node.getJsDocs():[]).map(j=>j.getComment()).join('\n')+'\n';
/**
 * Converts the ancestors into a family name.
 * @param node 
 * @returns 
 */
export const getFamilyName = (node: Node, delim:string=".") => node.getAncestors().map(a=>getName(a)).filter(a=>a).reverse().join(delim);
 
type Modificator = [pre: string, post: string, children: Node[]];
const ModMap: SKindMap<Modificator> = {
	[SK.TypeAliasDeclaration]:(node)=>[node.getName(), '', []],
	[SK.PropertySignature]:(node, df)=>{
		const [pre, post] = bySyntax(node.getParent(), ModMap, df);
		return [pre+'.'+node.getName(), post, []];
	},
	[SK.TypeLiteral]: (node, df)=>{
		const parent = node.getParent()
		const [pre, post, children] = bySyntax(parent, ModMap, df);
		return [pre+(children.length > 1 ? '.'+children.findIndex(c=>c===node):''), post, []]
	},
	[SK.UnionType]: (node, df)=>{
		const [pre, post] = bySyntax(node.getParent(), ModMap, df);
		return [pre, post, node.getTypeNodes()];
	},
	[SK.TypeParameter]: (node, df)=>{
		const [pre, post] = bySyntax(node.getParent(), ModMap, df)
		return [pre+'.'+node.getName(),post, []];
	},
	[SK.Parameter]: (node, df)=>{
		const [pre, post] = bySyntax(node.getParent(), ModMap, df);
		return [pre+'.'+node.getName(), post, []];
	},
	[SK.FunctionType]: (node, df) => {
		const [pre, post] = bySyntax(node.getParent(), ModMap, df)
		return [pre, post, []];
	}
}
 
export const getTypeNode = (node?: Node) => Node.isTyped(node) ? node.getTypeNode()
	//: (Node.isInitializerExpressionGetable(node) || Node.isInitializerExpressionable(node)) ? node.getInitializer()
	: undefined;
/**
 * In some cases the named node is the parent node of the evaluated node this just climbs the node tree until it finds a name
 * @param node 
 */
export const getNearestName = (node?: Node) => {
	let name = getName(node);
	while (node && !name){
		node = node.getParent()
		name = getName(node)
	}
	return name;
}
 
export const getFName = (node: Node) => {
	const [pre,post] = bySyntax(node, ModMap, n=>{
		Iif(!n) return ['','', []]
		TS.warn(cyan(n.getKindName()));
		return ['', '', []]
	})
	const nm = pre+post;
	Iif(nm){
		TS.success("FName", green(nm));
		return nm;
	}
	return getFullName(node);
}
/**
 * Gets the source of the node and returns a storybook formatted link to the documentation of said node if the node exists within the scope provided by the entry point.
 * @param node 
 */
export const getDocPath = (node: Node): string | undefined => {
	const src = node.getSourceFile().getFilePath();
	const ref = TS.resolveUrl(src)
	Iif(!ref) return;
	const fn = getFullName(node, '')
	return TS.resolveDocPath(ref)+(fn ? '#'+fn.toLowerCase():'')
}
 
export const isMethodLike = (node?: Node): boolean => {
	Iif(!node) return false;
	const k = node.getKind();
	return new Set<SK>([
		SK.MethodSignature,
		SK.MethodDeclaration,
		SK.FunctionType
	]).has(k);
}
/**
 * Checks to see if the Node is primitive
 * 
 * update: using Kind value is simpler response as I am not confirming a specific type.
 * @param node 
 * @returns 
 */
export const isPrimitive = (node?: Node):boolean => {
	Iif(!node) return false;
	const k = node.getKind();
	return new Set<SK>([
		SK.AnyKeyword,
		SK.StringKeyword,
		SK.StringLiteral,
		SK.NumberKeyword,
		SK.NumericLiteral,
		SK.BooleanKeyword,
		SK.TrueKeyword,
		SK.FalseKeyword,
		SK.BigIntKeyword,
		SK.BigIntLiteral,
		SK.LiteralType,
		SK.NullKeyword,
		SK.NeverKeyword,
		SK.VoidKeyword,
		SK.UndefinedKeyword,
		SK.UnknownKeyword,
		SK.ExportAssignment, //Just to ignore the warning it wont be used at this stage.
		SK.ImportDeclaration
	]).has(k);
}
 
export const getExample = (node: Node) => {
	const examples = getJsDocs(node).flatMap(d=>d.getTags().filter(t=>t.getTagName()==="example").map(t=>t.getComment() as string));
	return examples.map(renderCode).join('\n');
}
 
 
export const renderCode = (code: string) => code ? `\`\`\`ts\n${createPrinter({removeComments: false}).printFile(createSourceFile("t.ts", code, ScriptTarget.Latest, false, ScriptKind.TS))}\n\`\`\``:'';