All files / src/compiler state.js

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import { getLocator } from 'locate-character';
 
/** @typedef {{ start?: number, end?: number }} NodeLike */
 
/** @type {import('#compiler').Warning[]} */
export let warnings = [];
 
/**
 * The filename (if specified in the compiler options) relative to the rootDir (if specified).
 * This should not be used in the compiler output except in dev mode
 * @type {string | undefined}
 */
export let filename;
 
export let locator = getLocator('', { offsetLine: 1 });
 
/**
 * The current stack of ignored warnings
 * @type {Set<string>[]}
 */
export let ignore_stack = [];
 
/**
 * For each node the list of warnings that should be ignored for that node.
 * Exists in addition to `ignore_stack` because not all warnings are emitted
 * while the stack is being built.
 * @type {Map<import("./types").SvelteNode | NodeLike, Set<string>[]>}
 */
export let ignore_map = new Map();
 
/**
 * @param {string[]} ignores
 */
export function push_ignore(ignores) {
	const next = new Set([...(ignore_stack.at(-1) || []), ...ignores]);
	ignore_stack.push(next);
}
 
export function pop_ignore() {
	ignore_stack.pop();
}
 
/**
 * @param {string} source
 * @param {{ filename?: string, rootDir?: string }} options
 */
export function reset(source, options) {
	const root_dir = options.rootDir?.replace(/\\/g, '/');
	filename = options.filename?.replace(/\\/g, '/');
 
	if (
		typeof filename === 'string' &&
		typeof root_dir === 'string' &&
		filename.startsWith(root_dir)
	) {
		// make filename relative to rootDir
		filename = filename.replace(root_dir, '').replace(/^[/\\]/, '');
	}
 
	locator = getLocator(source, { offsetLine: 1 });
	warnings = [];
	ignore_stack = [];
	ignore_map.clear();
}