diff options
Diffstat (limited to 'node_modules/core-js/modules/es.string.match.js')
| -rw-r--r-- | node_modules/core-js/modules/es.string.match.js | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/node_modules/core-js/modules/es.string.match.js b/node_modules/core-js/modules/es.string.match.js new file mode 100644 index 0000000..b69a2a2 --- /dev/null +++ b/node_modules/core-js/modules/es.string.match.js @@ -0,0 +1,44 @@ +'use strict'; +var fixRegExpWellKnownSymbolLogic = require('../internals/fix-regexp-well-known-symbol-logic'); +var anObject = require('../internals/an-object'); +var toLength = require('../internals/to-length'); +var requireObjectCoercible = require('../internals/require-object-coercible'); +var advanceStringIndex = require('../internals/advance-string-index'); +var regExpExec = require('../internals/regexp-exec-abstract'); + +// @@match logic +fixRegExpWellKnownSymbolLogic('match', 1, function (MATCH, nativeMatch, maybeCallNative) { + return [ + // `String.prototype.match` method + // https://tc39.github.io/ecma262/#sec-string.prototype.match + function match(regexp) { + var O = requireObjectCoercible(this); + var matcher = regexp == undefined ? undefined : regexp[MATCH]; + return matcher !== undefined ? matcher.call(regexp, O) : new RegExp(regexp)[MATCH](String(O)); + }, + // `RegExp.prototype[@@match]` method + // https://tc39.github.io/ecma262/#sec-regexp.prototype-@@match + function (regexp) { + var res = maybeCallNative(nativeMatch, regexp, this); + if (res.done) return res.value; + + var rx = anObject(regexp); + var S = String(this); + + if (!rx.global) return regExpExec(rx, S); + + var fullUnicode = rx.unicode; + rx.lastIndex = 0; + var A = []; + var n = 0; + var result; + while ((result = regExpExec(rx, S)) !== null) { + var matchStr = String(result[0]); + A[n] = matchStr; + if (matchStr === '') rx.lastIndex = advanceStringIndex(S, toLength(rx.lastIndex), fullUnicode); + n++; + } + return n === 0 ? null : A; + } + ]; +}); |
