diff options
author | Michaël Zasso <targos@protonmail.com> | 2017-12-22 16:53:42 +0100 |
---|---|---|
committer | Michaël Zasso <targos@protonmail.com> | 2018-01-11 09:48:05 +0100 |
commit | 3dc30632755713179f345f4af024bd904c6162d0 (patch) | |
tree | f28c4f6dd6dfc5992edf301449d1a371d229755b /tools/node_modules/eslint/node_modules/chalk/templates.js | |
parent | a2c7085dd4a8e60d1a47572aca8bb6fcb7a32f88 (diff) | |
download | android-node-v8-3dc30632755713179f345f4af024bd904c6162d0.tar.gz android-node-v8-3dc30632755713179f345f4af024bd904c6162d0.tar.bz2 android-node-v8-3dc30632755713179f345f4af024bd904c6162d0.zip |
tools: move eslint from tools to tools/node_modules
This is required because we need to add the babel-eslint dependency
and it has to be able to resolve "eslint".
babel-eslint is required to support future ES features such as async
iterators and import.meta.
Refs: https://github.com/nodejs/node/pull/17755
PR-URL: https://github.com/nodejs/node/pull/17820
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Diffstat (limited to 'tools/node_modules/eslint/node_modules/chalk/templates.js')
-rw-r--r-- | tools/node_modules/eslint/node_modules/chalk/templates.js | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/tools/node_modules/eslint/node_modules/chalk/templates.js b/tools/node_modules/eslint/node_modules/chalk/templates.js new file mode 100644 index 0000000000..dbdf9b2211 --- /dev/null +++ b/tools/node_modules/eslint/node_modules/chalk/templates.js @@ -0,0 +1,128 @@ +'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(''); +}; |