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authorDimitri Staessens <[email protected]>2019-10-06 21:37:45 +0200
committerDimitri Staessens <[email protected]>2019-10-06 21:37:45 +0200
commit3c51c3be85bb0d1bdb87ea0d6632f1c256912f27 (patch)
treec7ccc8279b12c4f7bdbbb4270d617e48f51722e4 /node_modules/chalk/templates.js
parent412c104bebc507bea9c94fd53b5bdc4b64cbfe31 (diff)
downloadwebsite-3c51c3be85bb0d1bdb87ea0d6632f1c256912f27.tar.gz
website-3c51c3be85bb0d1bdb87ea0d6632f1c256912f27.zip
build: Add some required modules for node
Diffstat (limited to 'node_modules/chalk/templates.js')
-rw-r--r--node_modules/chalk/templates.js128
1 files changed, 128 insertions, 0 deletions
diff --git a/node_modules/chalk/templates.js b/node_modules/chalk/templates.js
new file mode 100644
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--- /dev/null
+++ b/node_modules/chalk/templates.js
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+'use strict';
+const TEMPLATE_REGEX = /(?:\\(u[a-f\d]{4}|x[a-f\d]{2}|.))|(?:\{(~)?(\w+(?:\([^)]*\))?(?:\.\w+(?:\([^)]*\))?)*)(?:[ \t]|(?=\r?\n)))|(\})|((?:.|[\r\n\f])+?)/gi;
+const STYLE_REGEX = /(?:^|\.)(\w+)(?:\(([^)]*)\))?/g;
+const STRING_REGEX = /^(['"])((?:\\.|(?!\1)[^\\])*)\1$/;
+const ESCAPE_REGEX = /\\(u[a-f\d]{4}|x[a-f\d]{2}|.)|([^\\])/gi;
+
+const ESCAPES = new Map([
+ ['n', '\n'],
+ ['r', '\r'],
+ ['t', '\t'],
+ ['b', '\b'],
+ ['f', '\f'],
+ ['v', '\v'],
+ ['0', '\0'],
+ ['\\', '\\'],
+ ['e', '\u001B'],
+ ['a', '\u0007']
+]);
+
+function unescape(c) {
+ if ((c[0] === 'u' && c.length === 5) || (c[0] === 'x' && c.length === 3)) {
+ return String.fromCharCode(parseInt(c.slice(1), 16));
+ }
+
+ return ESCAPES.get(c) || c;
+}
+
+function parseArguments(name, args) {
+ const results = [];
+ const chunks = args.trim().split(/\s*,\s*/g);
+ let matches;
+
+ for (const chunk of chunks) {
+ if (!isNaN(chunk)) {
+ results.push(Number(chunk));
+ } else if ((matches = chunk.match(STRING_REGEX))) {
+ results.push(matches[2].replace(ESCAPE_REGEX, (m, escape, chr) => escape ? unescape(escape) : chr));
+ } else {
+ throw new Error(`Invalid Chalk template style argument: ${chunk} (in style '${name}')`);
+ }
+ }
+
+ return results;
+}
+
+function parseStyle(style) {
+ STYLE_REGEX.lastIndex = 0;
+
+ const results = [];
+ let matches;
+
+ while ((matches = STYLE_REGEX.exec(style)) !== null) {
+ const name = matches[1];
+
+ if (matches[2]) {
+ const args = parseArguments(name, matches[2]);
+ results.push([name].concat(args));
+ } else {
+ results.push([name]);
+ }
+ }
+
+ return results;
+}
+
+function buildStyle(chalk, styles) {
+ const enabled = {};
+
+ for (const layer of styles) {
+ for (const style of layer.styles) {
+ enabled[style[0]] = layer.inverse ? null : style.slice(1);
+ }
+ }
+
+ let current = chalk;
+ for (const styleName of Object.keys(enabled)) {
+ if (Array.isArray(enabled[styleName])) {
+ if (!(styleName in current)) {
+ throw new Error(`Unknown Chalk style: ${styleName}`);
+ }
+
+ if (enabled[styleName].length > 0) {
+ current = current[styleName].apply(current, enabled[styleName]);
+ } else {
+ current = current[styleName];
+ }
+ }
+ }
+
+ return current;
+}
+
+module.exports = (chalk, tmp) => {
+ const styles = [];
+ const chunks = [];
+ let chunk = [];
+
+ // eslint-disable-next-line max-params
+ tmp.replace(TEMPLATE_REGEX, (m, escapeChar, inverse, style, close, chr) => {
+ if (escapeChar) {
+ chunk.push(unescape(escapeChar));
+ } else if (style) {
+ const str = chunk.join('');
+ chunk = [];
+ chunks.push(styles.length === 0 ? str : buildStyle(chalk, styles)(str));
+ styles.push({inverse, styles: parseStyle(style)});
+ } else if (close) {
+ if (styles.length === 0) {
+ throw new Error('Found extraneous } in Chalk template literal');
+ }
+
+ chunks.push(buildStyle(chalk, styles)(chunk.join('')));
+ chunk = [];
+ styles.pop();
+ } else {
+ chunk.push(chr);
+ }
+ });
+
+ chunks.push(chunk.join(''));
+
+ if (styles.length > 0) {
+ const errMsg = `Chalk template literal is missing ${styles.length} closing bracket${styles.length === 1 ? '' : 's'} (\`}\`)`;
+ throw new Error(errMsg);
+ }
+
+ return chunks.join('');
+};