34 lines
1003 B
TypeScript
34 lines
1003 B
TypeScript
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import {Command, ParseContext, unwrapString, wrapDestructured} from "./command.js";
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import {LexInput} from "../lexer.js";
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import {StrVM} from "../vm.js";
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import {Awaitable} from "../../util/types.js";
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export class Words extends Command<{}> {
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attemptParse(context: ParseContext): {} {
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return {}
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}
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getDisplayName(): string {
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return 'words'
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}
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isParseCandidate(token: LexInput): boolean {
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return this.isKeyword(token, 'words')
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}
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execute(vm: StrVM): Awaitable<StrVM> {
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return vm.tapInPlace(ctx =>
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ctx.replaceSubject(sub => {
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const val = unwrapString(sub)
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const separators = [...val.matchAll(/\s+/sg)]
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const parts = val.split(/\s+/sg)
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return wrapDestructured(
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parts.map((part, idx) => ({
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prefix: idx ? separators[idx - 1][0] : undefined,
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value: part,
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})))
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}))
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}
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}
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