92 lines
2.4 KiB
JavaScript
92 lines
2.4 KiB
JavaScript
const PROG_DEFAULT = `
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DISCOVER HOW TO factorial WITH n
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WE SAID
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WHAT IF n IS ACTUALLY 0
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WE SAID
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SHOCKING DEVELOPMENT 1
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END OF STORY
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LIES! WE SAID
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SHOCKING DEVELOPMENT n MULTIPLY factorial OF n SUBTRACT 1
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END OF STORY
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END OF STORY
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EXPERTS CLAIM result TO BE factorial OF 10
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YOU WON'T WANT TO MISS 'RESULT IS'
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YOU WON'T WANT TO MISS result
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PLEASE LIKE AND SUBSCRIBE`;
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const {
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Component,
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} = window.Torus;
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class Editor extends Component {
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init() {
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this.prog = PROG_DEFAULT;
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// script appends to it
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this.output = '';
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this.errors = '';
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this.handleRun = () => this.eval();
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this.handleInput = evt => {
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this.prog = evt.target.value;
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this.render();
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}
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}
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eval() {
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this.output = '';
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try {
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const tokens = tokenize(this.prog);
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const nodes = new Parser(tokens).parse();
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const env = new Environment({
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print: s => {
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this.output += s.toString();
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this.render();
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},
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});
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env.run(nodes);
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} catch (e) {
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this.errors = e.toString();
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}
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this.render();
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}
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compose() {
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return jdom`<div class="editor fixed block">
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<div class="controls">
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<button class="accent block"
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onclick=${this.handleRun}>Run!</button>
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</div>
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<div class="code">
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<textarea cols="30" rows="10"
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value=${this.prog}
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oninput=${this.handleInput}>
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</textarea>
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</div>
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<div class="result">
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<div class="output">
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${this.output.split('\n').map(line => jdom`<code>${line}</code>`)}
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</div>
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<div class="errors">
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${this.errors.split('\n').map(line => jdom`<code>${line}</code>`)}
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</div>
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</div>
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</div>`;
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}
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}
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class App extends Component {
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init() {
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this.editor = new Editor();
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}
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compose() {
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return jdom`<main>
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<h1>Tabloid</h1>
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<p class="subtitle">The Clickbait Headline Programming Language</p>
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${this.editor.node}
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</main>`;
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}
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}
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const app = new App();
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document.body.appendChild(app.node);
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