mirror of https://github.com/sveltejs/svelte
parent
836882c782
commit
0b9f0b595d
@ -1,88 +1,90 @@
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import Renderer from '../Renderer';
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import Wrapper from './shared/Wrapper';
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import Block from '../Block';
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import DebugTag from '../../nodes/DebugTag';
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import add_to_set from '../../utils/add_to_set';
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import Wrapper from './shared/Wrapper.js';
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import add_to_set from '../../utils/add_to_set.js';
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import { b, p } from 'code-red';
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import { Identifier, DebuggerStatement } from 'estree';
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/** @extends Wrapper */
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export default class DebugTagWrapper extends Wrapper {
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node: DebugTag;
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constructor(
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renderer: Renderer,
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block: Block,
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parent: Wrapper,
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node: DebugTag,
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_strip_whitespace: boolean,
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_next_sibling: Wrapper
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) {
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/** @type {import('../../nodes/DebugTag.js').default} */
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node;
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/**
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* @param {import('../Renderer.js').default} renderer
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* @param {import('../Block.js').default} block
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* @param {import('./shared/Wrapper.js').default} parent
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* @param {import('../../nodes/DebugTag.js').default} node
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* @param {boolean} _strip_whitespace
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* @param {import('./shared/Wrapper.js').default} _next_sibling
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*/
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constructor(renderer, block, parent, node, _strip_whitespace, _next_sibling) {
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super(renderer, block, parent, node);
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}
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render(block: Block, _parent_node: Identifier, _parent_nodes: Identifier) {
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/**
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* @param {import('../Block.js').default} block
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* @param {import('estree').Identifier} _parent_node
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* @param {import('estree').Identifier} _parent_nodes
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*/
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render(block, _parent_node, _parent_nodes) {
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const { renderer } = this;
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const { component } = renderer;
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if (!renderer.options.dev) return;
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if (!renderer.options.dev)
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return;
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const { var_lookup } = component;
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const start = component.locate(this.node.start + 1);
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const end = { line: start.line, column: start.column + 6 };
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const loc = { start, end };
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const debug: DebuggerStatement = {
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/** @type {import('estree').DebuggerStatement} */
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const debug = {
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type: 'DebuggerStatement',
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loc
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};
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if (this.node.expressions.length === 0) {
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// Debug all
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block.chunks.create.push(debug);
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block.chunks.update.push(debug);
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} else {
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const log: Identifier = {
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}
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else {
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/** @type {import('estree').Identifier} */
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const log = {
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type: 'Identifier',
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name: 'log',
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loc
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};
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const dependencies: Set<string> = new Set();
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/** @type {Set<string>} */
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const dependencies = new Set();
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this.node.expressions.forEach((expression) => {
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add_to_set(dependencies, expression.dependencies);
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});
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const contextual_identifiers = this.node.expressions
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.filter((e) => {
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const variable = var_lookup.get((e.node as Identifier).name);
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const variable = var_lookup.get(( /** @type {import('estree').Identifier} */(e.node)).name);
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return !(variable && variable.hoistable);
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})
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.map((e) => (e.node as Identifier).name);
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const logged_identifiers = this.node.expressions.map(
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(e) => p`${(e.node as Identifier).name}`
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);
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const debug_statements = b`
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${contextual_identifiers.map((name) => b`const ${name} = ${renderer.reference(name)};`)}
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.map((e) => ( /** @type {import('estree').Identifier} */(e.node)).name);
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const logged_identifiers = this.node.expressions.map((e) => p `${( /** @type {import('estree').Identifier} */(e.node)).name}`);
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const debug_statements = b `
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${contextual_identifiers.map((name) => b `const ${name} = ${renderer.reference(name)};`)}
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@_console.${log}({ ${logged_identifiers} });
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debugger;`;
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if (dependencies.size) {
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const condition = renderer.dirty(Array.from(dependencies));
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block.chunks.update.push(b`
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block.chunks.update.push(b `
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if (${condition}) {
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${debug_statements}
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}
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`);
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}
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block.chunks.create.push(b`{
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block.chunks.create.push(b `{
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${debug_statements}
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}`);
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}
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}
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}
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