60 lines
2.3 KiB
Plaintext
60 lines
2.3 KiB
Plaintext
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.TemplateLiteralSyntax = TemplateLiteralSyntax;
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const index_1 = require("../literal/index");
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const index_2 = require("../boolean/index");
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const index_3 = require("../bigint/index");
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const index_4 = require("../number/index");
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const index_5 = require("../string/index");
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const index_6 = require("../union/index");
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const index_7 = require("../never/index");
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// ------------------------------------------------------------------
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// SyntaxParsers
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// ------------------------------------------------------------------
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// prettier-ignore
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function* FromUnion(syntax) {
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const trim = syntax.trim().replace(/"|'/g, '');
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return (trim === 'boolean' ? yield (0, index_2.Boolean)() :
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trim === 'number' ? yield (0, index_4.Number)() :
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trim === 'bigint' ? yield (0, index_3.BigInt)() :
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trim === 'string' ? yield (0, index_5.String)() :
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yield (() => {
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const literals = trim.split('|').map((literal) => (0, index_1.Literal)(literal.trim()));
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return (literals.length === 0 ? (0, index_7.Never)() :
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literals.length === 1 ? literals[0] :
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(0, index_6.UnionEvaluated)(literals));
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})());
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}
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// prettier-ignore
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function* FromTerminal(syntax) {
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if (syntax[1] !== '{') {
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const L = (0, index_1.Literal)('$');
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const R = FromSyntax(syntax.slice(1));
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return yield* [L, ...R];
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}
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for (let i = 2; i < syntax.length; i++) {
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if (syntax[i] === '}') {
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const L = FromUnion(syntax.slice(2, i));
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const R = FromSyntax(syntax.slice(i + 1));
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return yield* [...L, ...R];
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}
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}
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yield (0, index_1.Literal)(syntax);
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}
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// prettier-ignore
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function* FromSyntax(syntax) {
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for (let i = 0; i < syntax.length; i++) {
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if (syntax[i] === '$') {
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const L = (0, index_1.Literal)(syntax.slice(0, i));
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const R = FromTerminal(syntax.slice(i));
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return yield* [L, ...R];
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}
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}
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yield (0, index_1.Literal)(syntax);
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}
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/** Parses TemplateLiteralSyntax and returns a tuple of TemplateLiteralKinds */
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function TemplateLiteralSyntax(syntax) {
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return [...FromSyntax(syntax)];
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}
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